/* WIN32.C
*
* (c) 1995 Microsoft Corporation. All rights reserved.
* Developed by hip communications inc., http://info.hip.com/info/
* Portions (c) 1993 Intergraph Corporation. All rights reserved.
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*/
#define PERLIO_NOT_STDIO 0
#define WIN32_LEAN_AND_MEAN
#define WIN32IO_IS_STDIO
#include <tchar.h>
#ifdef __GNUC__
#define Win32_Winsock
#endif
#include <windows.h>
#ifndef __MINGW32__ /* GCC/Mingw32-2.95.2 forgot the WINAPI on CommandLineToArgvW() */
# include <shellapi.h>
#else
LPWSTR* WINAPI CommandLineToArgvW(LPCWSTR lpCommandLine, int * pNumArgs);
#endif
#include <winnt.h>
#include <io.h>
#include <signal.h>
/* #include "config.h" */
#if !defined(PERLIO_IS_STDIO) && !defined(USE_SFIO)
#define PerlIO FILE
#endif
#include <sys/stat.h>
#include "EXTERN.h"
#include "perl.h"
#define NO_XSLOCKS
#define PERL_NO_GET_CONTEXT
#include "XSUB.h"
#include "Win32iop.h"
#include <fcntl.h>
#ifndef __GNUC__
/* assert.h conflicts with #define of assert in perl.h */
#include <assert.h>
#endif
#include <string.h>
#include <stdarg.h>
#include <float.h>
#include <time.h>
#if defined(_MSC_VER) || defined(__MINGW32__)
#include <sys/utime.h>
#else
#include <utime.h>
#endif
#ifdef __GNUC__
/* Mingw32 defaults to globing command line
* So we turn it off like this:
*/
int _CRT_glob = 0;
#endif
#if defined(__MINGW32__)
/* Mingw32 is missing some prototypes */
FILE * _wfopen(LPCWSTR wszFileName, LPCWSTR wszMode);
FILE * _wfdopen(int nFd, LPCWSTR wszMode);
FILE * _freopen(LPCWSTR wszFileName, LPCWSTR wszMode, FILE * pOldStream);
int _flushall();
int _fcloseall();
#endif
#if defined(__BORLANDC__)
# define _stat stat
# define _utimbuf utimbuf
#endif
#define EXECF_EXEC 1
#define EXECF_SPAWN 2
#define EXECF_SPAWN_NOWAIT 3
#if defined(PERL_IMPLICIT_SYS)
# undef win32_get_privlib
# define win32_get_privlib g_win32_get_privlib
# undef win32_get_sitelib
# define win32_get_sitelib g_win32_get_sitelib
# undef win32_get_vendorlib
# define win32_get_vendorlib g_win32_get_vendorlib
# undef getlogin
# define getlogin g_getlogin
#endif
static void get_shell(void);
static long tokenize(const char *str, char **dest, char ***destv);
static int do_spawn2(pTHX_ char *cmd, int exectype);
static BOOL has_shell_metachars(char *ptr);
static long filetime_to_clock(PFILETIME ft);
static BOOL filetime_from_time(PFILETIME ft, time_t t);
static char * get_emd_part(SV **leading, char *trailing, ...);
static void remove_dead_process(long deceased);
static long find_pid(int pid);
static char * qualified_path(const char *cmd);
static char * win32_get_xlib(const char *pl, const char *xlib,
const char *libname);
#ifdef USE_ITHREADS
static void remove_dead_pseudo_process(long child);
static long find_pseudo_pid(int pid);
#endif
START_EXTERN_C
HANDLE w32_perldll_handle = INVALID_HANDLE_VALUE;
char w32_module_name[MAX_PATH+1];
END_EXTERN_C
static DWORD w32_platform = (DWORD)-1;
#define ONE_K_BUFSIZE 1024
int
IsWin95(void)
{
return (win32_os_id() == VER_PLATFORM_WIN32_WINDOWS);
}
int
IsWinNT(void)
{
return (win32_os_id() == VER_PLATFORM_WIN32_NT);
}
EXTERN_C void
set_w32_module_name(void)
{
char* ptr;
GetModuleFileName((HMODULE)((w32_perldll_handle == INVALID_HANDLE_VALUE)
? GetModuleHandle(NULL)
: w32_perldll_handle),
w32_module_name, sizeof(w32_module_name));
/* try to get full path to binary (which may be mangled when perl is
* run from a 16-bit app) */
/*PerlIO_printf(Perl_debug_log, "Before %s\n", w32_module_name);*/
(void)win32_longpath(w32_module_name);
/*PerlIO_printf(Perl_debug_log, "After %s\n", w32_module_name);*/
/* normalize to forward slashes */
ptr = w32_module_name;
while (*ptr) {
if (*ptr == '\\')
*ptr = '/';
++ptr;
}
}
/* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */
static char*
get_regstr_from(HKEY hkey, const char *valuename, SV **svp)
{
/* Retrieve a REG_SZ or REG_EXPAND_SZ from the registry */
HKEY handle;
DWORD type;
const char *subkey = "Software\\Perl";
char *str = Nullch;
long retval;
retval = RegOpenKeyEx(hkey, subkey, 0, KEY_READ, &handle);
if (retval == ERROR_SUCCESS) {
DWORD datalen;
retval = RegQueryValueEx(handle, valuename, 0, &type, NULL, &datalen);
if (retval == ERROR_SUCCESS
&& (type == REG_SZ || type == REG_EXPAND_SZ))
{
dTHX;
if (!*svp)
*svp = sv_2mortal(newSVpvn("",0));
SvGROW(*svp, datalen);
retval = RegQueryValueEx(handle, valuename, 0, NULL,
(PBYTE)SvPVX(*svp), &datalen);
if (retval == ERROR_SUCCESS) {
str = SvPVX(*svp);
SvCUR_set(*svp,datalen-1);
}
}
RegCloseKey(handle);
}
return str;
}
/* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */
static char*
get_regstr(const char *valuename, SV **svp)
{
char *str = get_regstr_from(HKEY_CURRENT_USER, valuename, svp);
if (!str)
str = get_regstr_from(HKEY_LOCAL_MACHINE, valuename, svp);
return str;
}
/* *prev_pathp (if non-NULL) is expected to be POK (valid allocated SvPVX(sv)) */
static char *
get_emd_part(SV **prev_pathp, char *trailing_path, ...)
{
char base[10];
va_list ap;
char mod_name[MAX_PATH+1];
char *ptr;
char *optr;
char *strip;
STRLEN baselen;
va_start(ap, trailing_path);
strip = va_arg(ap, char *);
sprintf(base, "%d.%d", (int)PERL_REVISION, (int)PERL_VERSION);
baselen = strlen(base);
if (!*w32_module_name) {
set_w32_module_name();
}
strcpy(mod_name, w32_module_name);
ptr = strrchr(mod_name, '/');
while (ptr && strip) {
/* look for directories to skip back */
optr = ptr;
*ptr = '\0';
ptr = strrchr(mod_name, '/');
/* avoid stripping component if there is no slash,
* or it doesn't match ... */
if (!ptr || stricmp(ptr+1, strip) != 0) {
/* ... but not if component matches m|5\.$patchlevel.*| */
if (!ptr || !(*strip == '5' && *(ptr+1) == '5'
&& strncmp(strip, base, baselen) == 0
&& strncmp(ptr+1, base, baselen) == 0))
{
*optr = '/';
ptr = optr;
}
}
strip = va_arg(ap, char *);
}
if (!ptr) {
ptr = mod_name;
*ptr++ = '.';
*ptr = '/';
}
va_end(ap);
strcpy(++ptr, trailing_path);
/* only add directory if it exists */
if (GetFileAttributes(mod_name) != (DWORD) -1) {
/* directory exists */
dTHX;
if (!*prev_pathp)
*prev_pathp = sv_2mortal(newSVpvn("",0));
sv_catpvn(*prev_pathp, ";", 1);
sv_catpv(*prev_pathp, mod_name);
return SvPVX(*prev_pathp);
}
return Nullch;
}
char *
win32_get_privlib(const char *pl)
{
dTHX;
char *stdlib = "lib";
char buffer[MAX_PATH+1];
SV *sv = Nullsv;
/* $stdlib = $HKCU{"lib-$]"} || $HKLM{"lib-$]"} || $HKCU{"lib"} || $HKLM{"lib"} || ""; */
sprintf(buffer, "%s-%s", stdlib, pl);
if (!get_regstr(buffer, &sv))
(void)get_regstr(stdlib, &sv);
/* $stdlib .= ";$EMD/../../lib" */
return get_emd_part(&sv, stdlib, ARCHNAME, "bin", Nullch);
}
static char *
win32_get_xlib(const char *pl, const char *xlib, const char *libname)
{
dTHX;
char regstr[40];
char pathstr[MAX_PATH+1];
SV *sv1 = Nullsv;
SV *sv2 = Nullsv;
/* $HKCU{"$xlib-$]"} || $HKLM{"$xlib-$]"} . ---; */
sprintf(regstr, "%s-%s", xlib, pl);
(void)get_regstr(regstr, &sv1);
/* $xlib .=
* ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/$]/lib"; */
sprintf(pathstr, "%s/%s/lib", libname, pl);
(void)get_emd_part(&sv1, pathstr, ARCHNAME, "bin", pl, Nullch);
/* $HKCU{$xlib} || $HKLM{$xlib} . ---; */
(void)get_regstr(xlib, &sv2);
/* $xlib .=
* ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/lib"; */
sprintf(pathstr, "%s/lib", libname);
(void)get_emd_part(&sv2, pathstr, ARCHNAME, "bin", pl, Nullch);
if (!sv1 && !sv2)
return Nullch;
if (!sv1)
return SvPVX(sv2);
if (!sv2)
return SvPVX(sv1);
sv_catpvn(sv1, ";", 1);
sv_catsv(sv1, sv2);
return SvPVX(sv1);
}
char *
win32_get_sitelib(const char *pl)
{
return win32_get_xlib(pl, "sitelib", "site");
}
#ifndef PERL_VENDORLIB_NAME
# define PERL_VENDORLIB_NAME "vendor"
#endif
char *
win32_get_vendorlib(const char *pl)
{
return win32_get_xlib(pl, "vendorlib", PERL_VENDORLIB_NAME);
}
static BOOL
has_shell_metachars(char *ptr)
{
int inquote = 0;
char quote = '\0';
/*
* Scan string looking for redirection (< or >) or pipe
* characters (|) that are not in a quoted string.
* Shell variable interpolation (%VAR%) can also happen inside strings.
*/
while (*ptr) {
switch(*ptr) {
case '%':
return TRUE;
case '\'':
case '\"':
if (inquote) {
if (quote == *ptr) {
inquote = 0;
quote = '\0';
}
}
else {
quote = *ptr;
inquote++;
}
break;
case '>':
case '<':
case '|':
if (!inquote)
return TRUE;
default:
break;
}
++ptr;
}
return FALSE;
}
#if !defined(PERL_IMPLICIT_SYS)
/* since the current process environment is being updated in util.c
* the library functions will get the correct environment
*/
PerlIO *
Perl_my_popen(pTHX_ char *cmd, char *mode)
{
#ifdef FIXCMD
#define fixcmd(x) { \
char *pspace = strchr((x),' '); \
if (pspace) { \
char *p = (x); \
while (p < pspace) { \
if (*p == '/') \
*p = '\\'; \
p++; \
} \
} \
}
#else
#define fixcmd(x)
#endif
fixcmd(cmd);
PERL_FLUSHALL_FOR_CHILD;
return win32_popen(cmd, mode);
}
long
Perl_my_pclose(pTHX_ PerlIO *fp)
{
return win32_pclose(fp);
}
#endif
DllExport unsigned long
win32_os_id(void)
{
static OSVERSIONINFO osver;
if (osver.dwPlatformId != w32_platform) {
memset(&osver, 0, sizeof(OSVERSIONINFO));
osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&osver);
w32_platform = osver.dwPlatformId;
}
return (unsigned long)w32_platform;
}
DllExport int
win32_getpid(void)
{
int pid;
#ifdef USE_ITHREADS
dTHX;
if (w32_pseudo_id)
return -((int)w32_pseudo_id);
#endif
pid = _getpid();
/* Windows 9x appears to always reports a pid for threads and processes
* that has the high bit set. So we treat the lower 31 bits as the
* "real" PID for Perl's purposes. */
if (IsWin95() && pid < 0)
pid = -pid;
return pid;
}
/* Tokenize a string. Words are null-separated, and the list
* ends with a doubled null. Any character (except null and
* including backslash) may be escaped by preceding it with a
* backslash (the backslash will be stripped).
* Returns number of words in result buffer.
*/
static long
tokenize(const char *str, char **dest, char ***destv)
{
char *retstart = Nullch;
char **retvstart = 0;
int items = -1;
if (str) {
dTHX;
int slen = strlen(str);
register char *ret;
register char **retv;
New(1307, ret, slen+2, char);
New(1308, retv, (slen+3)/2, char*);
retstart = ret;
retvstart = retv;
*retv = ret;
items = 0;
while (*str) {
*ret = *str++;
if (*ret == '\\' && *str)
*ret = *str++;
else if (*ret == ' ') {
while (*str == ' ')
str++;
if (ret == retstart)
ret--;
else {
*ret = '\0';
++items;
if (*str)
*++retv = ret+1;
}
}
else if (!*str)
++items;
ret++;
}
retvstart[items] = Nullch;
*ret++ = '\0';
*ret = '\0';
}
*dest = retstart;
*destv = retvstart;
return items;
}
static void
get_shell(void)
{
dTHX;
if (!w32_perlshell_tokens) {
/* we don't use COMSPEC here for two reasons:
* 1. the same reason perl on UNIX doesn't use SHELL--rampant and
* uncontrolled unportability of the ensuing scripts.
* 2. PERL5SHELL could be set to a shell that may not be fit for
* interactive use (which is what most programs look in COMSPEC
* for).
*/
const char* defaultshell = (IsWinNT()
? "cmd.exe /x/c" : "command.com /c");
const char *usershell = PerlEnv_getenv("PERL5SHELL");
w32_perlshell_items = tokenize(usershell ? usershell : defaultshell,
&w32_perlshell_tokens,
&w32_perlshell_vec);
}
}
int
Perl_do_aspawn(pTHX_ SV *really, SV **mark, SV **sp)
{
char **argv;
char *str;
int status;
int flag = P_WAIT;
int index = 0;
if (sp <= mark)
return -1;
get_shell();
New(1306, argv, (sp - mark) + w32_perlshell_items + 2, char*);
if (SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) {
++mark;
flag = SvIVx(*mark);
}
while (++mark <= sp) {
if (*mark && (str = SvPV_nolen(*mark)))
argv[index++] = str;
else
argv[index++] = "";
}
argv[index++] = 0;
status = win32_spawnvp(flag,
(const char*)(really ? SvPV_nolen(really) : argv[0]),
(const char* const*)argv);
if (status < 0 && (errno == ENOEXEC || errno == ENOENT)) {
/* possible shell-builtin, invoke with shell */
int sh_items;
sh_items = w32_perlshell_items;
while (--index >= 0)
argv[index+sh_items] = argv[index];
while (--sh_items >= 0)
argv[sh_items] = w32_perlshell_vec[sh_items];
status = win32_spawnvp(flag,
(const char*)(really ? SvPV_nolen(really) : argv[0]),
(const char* const*)argv);
}
if (flag == P_NOWAIT) {
if (IsWin95())
PL_statusvalue = -1; /* >16bits hint for pp_system() */
}
else {
if (status < 0) {
if (ckWARN(WARN_EXEC))
Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't spawn \"%s\": %s", argv[0], strerror(errno));
status = 255 * 256;
}
else
status *= 256;
PL_statusvalue = status;
}
Safefree(argv);
return (status);
}
/* returns pointer to the next unquoted space or the end of the string */
static char*
find_next_space(const char *s)
{
bool in_quotes = FALSE;
while (*s) {
/* ignore doubled backslashes, or backslash+quote */
if (*s == '\\' && (s[1] == '\\' || s[1] == '"')) {
s += 2;
}
/* keep track of when we're within quotes */
else if (*s == '"') {
s++;
in_quotes = !in_quotes;
}
/* break it up only at spaces that aren't in quotes */
else if (!in_quotes && isSPACE(*s))
return (char*)s;
else
s++;
}
return (char*)s;
}
static int
do_spawn2(pTHX_ char *cmd, int exectype)
{
char **a;
char *s;
char **argv;
int status = -1;
BOOL needToTry = TRUE;
char *cmd2;
/* Save an extra exec if possible. See if there are shell
* metacharacters in it */
if (!has_shell_metachars(cmd)) {
New(1301,argv, strlen(cmd) / 2 + 2, char*);
New(1302,cmd2, strlen(cmd) + 1, char);
strcpy(cmd2, cmd);
a = argv;
for (s = cmd2; *s;) {
while (*s && isSPACE(*s))
s++;
if (*s)
*(a++) = s;
s = find_next_space(s);
if (*s)
*s++ = '\0';
}
*a = Nullch;
if (argv[0]) {
switch (exectype) {
case EXECF_SPAWN:
status = win32_spawnvp(P_WAIT, argv[0],
(const char* const*)argv);
break;
case EXECF_SPAWN_NOWAIT:
status = win32_spawnvp(P_NOWAIT, argv[0],
(const char* const*)argv);
break;
case EXECF_EXEC:
status = win32_execvp(argv[0], (const char* const*)argv);
break;
}
if (status != -1 || errno == 0)
needToTry = FALSE;
}
Safefree(argv);
Safefree(cmd2);
}
if (needToTry) {
char **argv;
int i = -1;
get_shell();
New(1306, argv, w32_perlshell_items + 2, char*);
while (++i < w32_perlshell_items)
argv[i] = w32_perlshell_vec[i];
argv[i++] = cmd;
argv[i] = Nullch;
switch (exectype) {
case EXECF_SPAWN:
status = win32_spawnvp(P_WAIT, argv[0],
(const char* const*)argv);
break;
case EXECF_SPAWN_NOWAIT:
status = win32_spawnvp(P_NOWAIT, argv[0],
(const char* const*)argv);
break;
case EXECF_EXEC:
status = win32_execvp(argv[0], (const char* const*)argv);
break;
}
cmd = argv[0];
Safefree(argv);
}
if (exectype == EXECF_SPAWN_NOWAIT) {
if (IsWin95())
PL_statusvalue = -1; /* >16bits hint for pp_system() */
}
else {
if (status < 0) {
if (ckWARN(WARN_EXEC))
Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't %s \"%s\": %s",
(exectype == EXECF_EXEC ? "exec" : "spawn"),
cmd, strerror(errno));
status = 255 * 256;
}
else
status *= 256;
PL_statusvalue = status;
}
return (status);
}
int
Perl_do_spawn(pTHX_ char *cmd)
{
return do_spawn2(aTHX_ cmd, EXECF_SPAWN);
}
int
Perl_do_spawn_nowait(pTHX_ char *cmd)
{
return do_spawn2(aTHX_ cmd, EXECF_SPAWN_NOWAIT);
}
bool
Perl_do_exec(pTHX_ char *cmd)
{
do_spawn2(aTHX_ cmd, EXECF_EXEC);
return FALSE;
}
/* The idea here is to read all the directory names into a string table
* (separated by nulls) and when one of the other dir functions is called
* return the pointer to the current file name.
*/
DllExport DIR *
win32_opendir(char *filename)
{
dTHX;
DIR *dirp;
long len;
long idx;
char scanname[MAX_PATH+3];
Stat_t sbuf;
WIN32_FIND_DATAA aFindData;
WIN32_FIND_DATAW wFindData;
HANDLE fh;
char buffer[MAX_PATH*2];
WCHAR wbuffer[MAX_PATH+1];
char* ptr;
len = strlen(filename);
if (len > MAX_PATH)
return NULL;
/* check to see if filename is a directory */
if (win32_stat(filename, &sbuf) < 0 || !S_ISDIR(sbuf.st_mode))
return NULL;
/* Get us a DIR structure */
Newz(1303, dirp, 1, DIR);
/* Create the search pattern */
strcpy(scanname, filename);
/* bare drive name means look in cwd for drive */
if (len == 2 && isALPHA(scanname[0]) && scanname[1] == ':') {
scanname[len++] = '.';
scanname[len++] = '/';
}
else if (scanname[len-1] != '/' && scanname[len-1] != '\\') {
scanname[len++] = '/';
}
scanname[len++] = '*';
scanname[len] = '\0';
/* do the FindFirstFile call */
if (USING_WIDE()) {
A2WHELPER(scanname, wbuffer, sizeof(wbuffer));
fh = FindFirstFileW(PerlDir_mapW(wbuffer), &wFindData);
}
else {
fh = FindFirstFileA(PerlDir_mapA(scanname), &aFindData);
}
dirp->handle = fh;
if (fh == INVALID_HANDLE_VALUE) {
DWORD err = GetLastError();
/* FindFirstFile() fails on empty drives! */
switch (err) {
case ERROR_FILE_NOT_FOUND:
return dirp;
case ERROR_NO_MORE_FILES:
case ERROR_PATH_NOT_FOUND:
errno = ENOENT;
break;
case ERROR_NOT_ENOUGH_MEMORY:
errno = ENOMEM;
break;
default:
errno = EINVAL;
break;
}
Safefree(dirp);
return NULL;
}
/* now allocate the first part of the string table for
* the filenames that we find.
*/
if (USING_WIDE()) {
W2AHELPER(wFindData.cFileName, buffer, sizeof(buffer));
ptr = buffer;
}
else {
ptr = aFindData.cFileName;
}
idx = strlen(ptr)+1;
if (idx < 256)
dirp->size = 128;
else
dirp->size = idx;
New(1304, dirp->start, dirp->size, char);
strcpy(dirp->start, ptr);
dirp->nfiles++;
dirp->end = dirp->curr = dirp->start;
dirp->end += idx;
return dirp;
}
/* Readdir just returns the current string pointer and bumps the
* string pointer to the nDllExport entry.
*/
DllExport struct direct *
win32_readdir(DIR *dirp)
{
long len;
if (dirp->curr) {
/* first set up the structure to return */
len = strlen(dirp->curr);
strcpy(dirp->dirstr.d_name, dirp->curr);
dirp->dirstr.d_namlen = len;
/* Fake an inode */
dirp->dirstr.d_ino = dirp->curr - dirp->start;
/* Now set up for the next call to readdir */
dirp->curr += len + 1;
if (dirp->curr >= dirp->end) {
dTHX;
char* ptr;
BOOL res;
WIN32_FIND_DATAW wFindData;
WIN32_FIND_DATAA aFindData;
char buffer[MAX_PATH*2];
/* finding the next file that matches the wildcard
* (which should be all of them in this directory!).
*/
if (USING_WIDE()) {
res = FindNextFileW(dirp->handle, &wFindData);
if (res) {
W2AHELPER(wFindData.cFileName, buffer, sizeof(buffer));
ptr = buffer;
}
}
else {
res = FindNextFileA(dirp->handle, &aFindData);
if (res)
ptr = aFindData.cFileName;
}
if (res) {
long endpos = dirp->end - dirp->start;
long newsize = endpos + strlen(ptr) + 1;
/* bump the string table size by enough for the
* new name and its null terminator */
while (newsize > dirp->size) {
long curpos = dirp->curr - dirp->start;
dirp->size *= 2;
Renew(dirp->start, dirp->size, char);
dirp->curr = dirp->start + curpos;
}
strcpy(dirp->start + endpos, ptr);
dirp->end = dirp->start + newsize;
dirp->nfiles++;
}
else
dirp->curr = NULL;
}
return &(dirp->dirstr);
}
else
return NULL;
}
/* Telldir returns the current string pointer position */
DllExport long
win32_telldir(DIR *dirp)
{
return (dirp->curr - dirp->start);
}
/* Seekdir moves the string pointer to a previously saved position
* (returned by telldir).
*/
DllExport void
win32_seekdir(DIR *dirp, long loc)
{
dirp->curr = dirp->start + loc;
}
/* Rewinddir resets the string pointer to the start */
DllExport void
win32_rewinddir(DIR *dirp)
{
dirp->curr = dirp->start;
}
/* free the memory allocated by opendir */
DllExport int
win32_closedir(DIR *dirp)
{
dTHX;
if (dirp->handle != INVALID_HANDLE_VALUE)
FindClose(dirp->handle);
Safefree(dirp->start);
Safefree(dirp);
return 1;
}
/*
* various stubs
*/
/* Ownership
*
* Just pretend that everyone is a superuser. NT will let us know if
* we don\'t really have permission to do something.
*/
#define ROOT_UID ((uid_t)0)
#define ROOT_GID ((gid_t)0)
uid_t
getuid(void)
{
return ROOT_UID;
}
uid_t
geteuid(void)
{
return ROOT_UID;
}
gid_t
getgid(void)
{
return ROOT_GID;
}
gid_t
getegid(void)
{
return ROOT_GID;
}
int
setuid(uid_t auid)
{
return (auid == ROOT_UID ? 0 : -1);
}
int
setgid(gid_t agid)
{
return (agid == ROOT_GID ? 0 : -1);
}
char *
getlogin(void)
{
dTHX;
char *buf = w32_getlogin_buffer;
DWORD size = sizeof(w32_getlogin_buffer);
if (GetUserName(buf,&size))
return buf;
return (char*)NULL;
}
int
chown(const char *path, uid_t owner, gid_t group)
{
/* XXX noop */
return 0;
}
/*
* XXX this needs strengthening (for PerlIO)
* -- BKS, 11-11-200
*/
int mkstemp(const char *path)
{
dTHX;
char buf[MAX_PATH+1];
int i = 0, fd = -1;
retry:
if (i++ > 10) { /* give up */
errno = ENOENT;
return -1;
}
if (!GetTempFileNameA((LPCSTR)path, "plr", 1, buf)) {
errno = ENOENT;
return -1;
}
fd = PerlLIO_open3(buf, O_CREAT|O_RDWR|O_EXCL, 0600);
if (fd == -1)
goto retry;
return fd;
}
static long
find_pid(int pid)
{
dTHX;
long child = w32_num_children;
while (--child >= 0) {
if ((int)w32_child_pids[child] == pid)
return child;
}
return -1;
}
static void
remove_dead_process(long child)
{
if (child >= 0) {
dTHX;
CloseHandle(w32_child_handles[child]);
Move(&w32_child_handles[child+1], &w32_child_handles[child],
(w32_num_children-child-1), HANDLE);
Move(&w32_child_pids[child+1], &w32_child_pids[child],
(w32_num_children-child-1), DWORD);
w32_num_children--;
}
}
#ifdef USE_ITHREADS
static long
find_pseudo_pid(int pid)
{
dTHX;
long child = w32_num_pseudo_children;
while (--child >= 0) {
if ((int)w32_pseudo_child_pids[child] == pid)
return child;
}
return -1;
}
static void
remove_dead_pseudo_process(long child)
{
if (child >= 0) {
dTHX;
CloseHandle(w32_pseudo_child_handles[child]);
Move(&w32_pseudo_child_handles[child+1], &w32_pseudo_child_handles[child],
(w32_num_pseudo_children-child-1), HANDLE);
Move(&w32_pseudo_child_pids[child+1], &w32_pseudo_child_pids[child],
(w32_num_pseudo_children-child-1), DWORD);
w32_num_pseudo_children--;
}
}
#endif
DllExport int
win32_kill(int pid, int sig)
{
dTHX;
HANDLE hProcess;
long child;
#ifdef USE_ITHREADS
if (pid < 0) {
/* it is a pseudo-forked child */
child = find_pseudo_pid(-pid);
if (child >= 0) {
hProcess = w32_pseudo_child_handles[child];
switch (sig) {
case 0:
/* "Does process exist?" use of kill */
return 0;
case 9:
/* kill -9 style un-graceful exit */
if (TerminateThread(hProcess, sig)) {
remove_dead_pseudo_process(child);
return 0;
}
break;
default:
/* We fake signals to pseudo-processes using Win32
* message queue. In Win9X the pids are negative already. */
if (PostThreadMessage(IsWin95() ? pid : -pid,WM_USER,sig,0)) {
/* It might be us ... */
PERL_ASYNC_CHECK();
return 0;
}
break;
}
}
else if (IsWin95()) {
pid = -pid;
goto alien_process;
}
}
else
#endif
{
child = find_pid(pid);
if (child >= 0) {
hProcess = w32_child_handles[child];
switch(sig) {
case 0:
/* "Does process exist?" use of kill */
return 0;
case 2:
if (GenerateConsoleCtrlEvent(CTRL_C_EVENT,pid))
return 0;
break;
default: /* For now be backwards compatible with perl5.6 */
case 9:
if (TerminateProcess(hProcess, sig)) {
remove_dead_process(child);
return 0;
}
break;
}
}
else {
alien_process:
hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
(IsWin95() ? -pid : pid));
if (hProcess) {
switch(sig) {
case 0:
/* "Does process exist?" use of kill */
return 0;
case 2:
if (GenerateConsoleCtrlEvent(CTRL_C_EVENT,pid))
return 0;
break;
default: /* For now be backwards compatible with perl5.6 */
case 9:
if (TerminateProcess(hProcess, sig)) {
CloseHandle(hProcess);
return 0;
}
}
}
}
}
errno = EINVAL;
return -1;
}
DllExport int
win32_stat(const char *path, Stat_t *sbuf)
{
dTHX;
char buffer[MAX_PATH+1];
int l = strlen(path);
int res;
WCHAR wbuffer[MAX_PATH+1];
WCHAR* pwbuffer;
HANDLE handle;
int nlink = 1;
if (l > 1) {
switch(path[l - 1]) {
/* FindFirstFile() and stat() are buggy with a trailing
* backslash, so change it to a forward slash :-( */
case '\\':
strncpy(buffer, path, l-1);
buffer[l - 1] = '/';
buffer[l] = '\0';
path = buffer;
break;
/* FindFirstFile() is buggy with "x:", so add a dot :-( */
case ':':
if (l == 2 && isALPHA(path[0])) {
buffer[0] = path[0];
buffer[1] = ':';
buffer[2] = '.';
buffer[3] = '\0';
l = 3;
path = buffer;
}
break;
}
}
/* We *must* open & close the file once; otherwise file attribute changes */
/* might not yet have propagated to "other" hard links of the same file. */
/* This also gives us an opportunity to determine the number of links. */
if (USING_WIDE()) {
A2WHELPER(path, wbuffer, sizeof(wbuffer));
pwbuffer = PerlDir_mapW(wbuffer);
handle = CreateFileW(pwbuffer, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
}
else {
path = PerlDir_mapA(path);
l = strlen(path);
handle = CreateFileA(path, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
}
if (handle != INVALID_HANDLE_VALUE) {
BY_HANDLE_FILE_INFORMATION bhi;
if (GetFileInformationByHandle(handle, &bhi))
nlink = bhi.nNumberOfLinks;
CloseHandle(handle);
}
/* pwbuffer or path will be mapped correctly above */
if (USING_WIDE()) {
#if defined(WIN64) || defined(USE_LARGE_FILES)
res = _wstati64(pwbuffer, sbuf);
#else
res = _wstat(pwbuffer, (struct _stat*)sbuf);
#endif
}
else {
#if defined(WIN64) || defined(USE_LARGE_FILES)
res = _stati64(path, sbuf);
#else
res = stat(path, sbuf);
#endif
}
sbuf->st_nlink = nlink;
if (res < 0) {
/* CRT is buggy on sharenames, so make sure it really isn't.
* XXX using GetFileAttributesEx() will enable us to set
* sbuf->st_*time (but note that's not available on the
* Windows of 1995) */
DWORD r;
if (USING_WIDE()) {
r = GetFileAttributesW(pwbuffer);
}
else {
r = GetFileAttributesA(path);
}
if (r != 0xffffffff && (r & FILE_ATTRIBUTE_DIRECTORY)) {
/* sbuf may still contain old garbage since stat() failed */
Zero(sbuf, 1, Stat_t);
sbuf->st_mode = S_IFDIR | S_IREAD;
errno = 0;
if (!(r & FILE_ATTRIBUTE_READONLY))
sbuf->st_mode |= S_IWRITE | S_IEXEC;
return 0;
}
}
else {
if (l == 3 && isALPHA(path[0]) && path[1] == ':'
&& (path[2] == '\\' || path[2] == '/'))
{
/* The drive can be inaccessible, some _stat()s are buggy */
if (USING_WIDE()
? !GetVolumeInformationW(pwbuffer,NULL,0,NULL,NULL,NULL,NULL,0)
: !GetVolumeInformationA(path,NULL,0,NULL,NULL,NULL,NULL,0)) {
errno = ENOENT;
return -1;
}
}
#ifdef __BORLANDC__
if (S_ISDIR(sbuf->st_mode))
sbuf->st_mode |= S_IWRITE | S_IEXEC;
else if (S_ISREG(sbuf->st_mode)) {
int perms;
if (l >= 4 && path[l-4] == '.') {
const char *e = path + l - 3;
if (strnicmp(e,"exe",3)
&& strnicmp(e,"bat",3)
&& strnicmp(e,"com",3)
&& (IsWin95() || strnicmp(e,"cmd",3)))
sbuf->st_mode &= ~S_IEXEC;
else
sbuf->st_mode |= S_IEXEC;
}
else
sbuf->st_mode &= ~S_IEXEC;
/* Propagate permissions to _group_ and _others_ */
perms = sbuf->st_mode & (S_IREAD|S_IWRITE|S_IEXEC);
sbuf->st_mode |= (perms>>3) | (perms>>6);
}
#endif
}
return res;
}
#define isSLASH(c) ((c) == '/' || (c) == '\\')
#define SKIP_SLASHES(s) \
STMT_START { \
while (*(s) && isSLASH(*(s))) \
++(s); \
} STMT_END
#define COPY_NONSLASHES(d,s) \
STMT_START { \
while (*(s) && !isSLASH(*(s))) \
*(d)++ = *(s)++; \
} STMT_END
/* Find the longname of a given path. path is destructively modified.
* It should have space for at least MAX_PATH characters. */
DllExport char *
win32_longpath(char *path)
{
WIN32_FIND_DATA fdata;
HANDLE fhand;
char tmpbuf[MAX_PATH+1];
char *tmpstart = tmpbuf;
char *start = path;
char sep;
if (!path)
return Nullch;
/* drive prefix */
if (isALPHA(path[0]) && path[1] == ':') {
start = path + 2;
*tmpstart++ = path[0];
*tmpstart++ = ':';
}
/* UNC prefix */
else if (isSLASH(path[0]) && isSLASH(path[1])) {
start = path + 2;
*tmpstart++ = path[0];
*tmpstart++ = path[1];
SKIP_SLASHES(start);
COPY_NONSLASHES(tmpstart,start); /* copy machine name */
if (*start) {
*tmpstart++ = *start++;
SKIP_SLASHES(start);
COPY_NONSLASHES(tmpstart,start); /* copy share name */
}
}
*tmpstart = '\0';
while (*start) {
/* copy initial slash, if any */
if (isSLASH(*start)) {
*tmpstart++ = *start++;
*tmpstart = '\0';
SKIP_SLASHES(start);
}
/* FindFirstFile() expands "." and "..", so we need to pass
* those through unmolested */
if (*start == '.'
&& (!start[1] || isSLASH(start[1])
|| (start[1] == '.' && (!start[2] || isSLASH(start[2])))))
{
COPY_NONSLASHES(tmpstart,start); /* copy "." or ".." */
*tmpstart = '\0';
continue;
}
/* if this is the end, bust outta here */
if (!*start)
break;
/* now we're at a non-slash; walk up to next slash */
while (*start && !isSLASH(*start))
++start;
/* stop and find full name of component */
sep = *start;
*start = '\0';
fhand = FindFirstFile(path,&fdata);
*start = sep;
if (fhand != INVALID_HANDLE_VALUE) {
STRLEN len = strlen(fdata.cFileName);
if ((STRLEN)(tmpbuf + sizeof(tmpbuf) - tmpstart) > len) {
strcpy(tmpstart, fdata.cFileName);
tmpstart += len;
FindClose(fhand);
}
else {
FindClose(fhand);
errno = ERANGE;
return Nullch;
}
}
else {
/* failed a step, just return without side effects */
/*PerlIO_printf(Perl_debug_log, "Failed to find %s\n", path);*/
errno = EINVAL;
return Nullch;
}
}
strcpy(path,tmpbuf);
return path;
}
DllExport char *
win32_getenv(const char *name)
{
dTHX;
WCHAR wBuffer[MAX_PATH+1];
DWORD needlen;
SV *curitem = Nullsv;
if (USING_WIDE()) {
A2WHELPER(name, wBuffer, sizeof(wBuffer));
needlen = GetEnvironmentVariableW(wBuffer, NULL, 0);
}
else
needlen = GetEnvironmentVariableA(name,NULL,0);
if (needlen != 0) {
curitem = sv_2mortal(newSVpvn("", 0));
if (USING_WIDE()) {
SV *acuritem;
do {
SvGROW(curitem, (needlen+1)*sizeof(WCHAR));
needlen = GetEnvironmentVariableW(wBuffer,
(WCHAR*)SvPVX(curitem),
needlen);
} while (needlen >= SvLEN(curitem)/sizeof(WCHAR));
SvCUR_set(curitem, (needlen*sizeof(WCHAR))+1);
acuritem = sv_2mortal(newSVsv(curitem));
W2AHELPER((WCHAR*)SvPVX(acuritem), SvPVX(curitem), SvCUR(curitem));
}
else {
do {
SvGROW(curitem, needlen+1);
needlen = GetEnvironmentVariableA(name,SvPVX(curitem),
needlen);
} while (needlen >= SvLEN(curitem));
SvCUR_set(curitem, needlen);
}
}
else {
/* allow any environment variables that begin with 'PERL'
to be stored in the registry */
if (strncmp(name, "PERL", 4) == 0)
(void)get_regstr(name, &curitem);
}
if (curitem && SvCUR(curitem))
return SvPVX(curitem);
return Nullch;
}
DllExport int
win32_putenv(const char *name)
{
dTHX;
char* curitem;
char* val;
WCHAR* wCuritem;
WCHAR* wVal;
int length, relval = -1;
if (name) {
if (USING_WIDE()) {
length = strlen(name)+1;
New(1309,wCuritem,length,WCHAR);
A2WHELPER(name, wCuritem, length*sizeof(WCHAR));
wVal = wcschr(wCuritem, '=');
if (wVal) {
*wVal++ = '\0';
if (SetEnvironmentVariableW(wCuritem, *wVal ? wVal : NULL))
relval = 0;
}
Safefree(wCuritem);
}
else {
New(1309,curitem,strlen(name)+1,char);
strcpy(curitem, name);
val = strchr(curitem, '=');
if (val) {
/* The sane way to deal with the environment.
* Has these advantages over putenv() & co.:
* * enables us to store a truly empty value in the
* environment (like in UNIX).
* * we don't have to deal with RTL globals, bugs and leaks.
* * Much faster.
* Why you may want to enable USE_WIN32_RTL_ENV:
* * environ[] and RTL functions will not reflect changes,
* which might be an issue if extensions want to access
* the env. via RTL. This cuts both ways, since RTL will
* not see changes made by extensions that call the Win32
* functions directly, either.
* GSAR 97-06-07
*/
*val++ = '\0';
if (SetEnvironmentVariableA(curitem, *val ? val : NULL))
relval = 0;
}
Safefree(curitem);
}
}
return relval;
}
static long
filetime_to_clock(PFILETIME ft)
{
__int64 qw = ft->dwHighDateTime;
qw <<= 32;
qw |= ft->dwLowDateTime;
qw /= 10000; /* File time ticks at 0.1uS, clock at 1mS */
return (long) qw;
}
DllExport int
win32_times(struct tms *timebuf)
{
FILETIME user;
FILETIME kernel;
FILETIME dummy;
clock_t process_time_so_far = clock();
if (GetProcessTimes(GetCurrentProcess(), &dummy, &dummy,
&kernel,&user)) {
timebuf->tms_utime = filetime_to_clock(&user);
timebuf->tms_stime = filetime_to_clock(&kernel);
timebuf->tms_cutime = 0;
timebuf->tms_cstime = 0;
} else {
/* That failed - e.g. Win95 fallback to clock() */
timebuf->tms_utime = process_time_so_far;
timebuf->tms_stime = 0;
timebuf->tms_cutime = 0;
timebuf->tms_cstime = 0;
}
return process_time_so_far;
}
/* fix utime() so it works on directories in NT */
static BOOL
filetime_from_time(PFILETIME pFileTime, time_t Time)
{
struct tm *pTM = localtime(&Time);
SYSTEMTIME SystemTime;
FILETIME LocalTime;
if (pTM == NULL)
return FALSE;
SystemTime.wYear = pTM->tm_year + 1900;
SystemTime.wMonth = pTM->tm_mon + 1;
SystemTime.wDay = pTM->tm_mday;
SystemTime.wHour = pTM->tm_hour;
SystemTime.wMinute = pTM->tm_min;
SystemTime.wSecond = pTM->tm_sec;
SystemTime.wMilliseconds = 0;
return SystemTimeToFileTime(&SystemTime, &LocalTime) &&
LocalFileTimeToFileTime(&LocalTime, pFileTime);
}
DllExport int
win32_unlink(const char *filename)
{
dTHX;
int ret;
DWORD attrs;
if (USING_WIDE()) {
WCHAR wBuffer[MAX_PATH+1];
WCHAR* pwBuffer;
A2WHELPER(filename, wBuffer, sizeof(wBuffer));
pwBuffer = PerlDir_mapW(wBuffer);
attrs = GetFileAttributesW(pwBuffer);
if (attrs == 0xFFFFFFFF)
goto fail;
if (attrs & FILE_ATTRIBUTE_READONLY) {
(void)SetFileAttributesW(pwBuffer, attrs & ~FILE_ATTRIBUTE_READONLY);
ret = _wunlink(pwBuffer);
if (ret == -1)
(void)SetFileAttributesW(pwBuffer, attrs);
}
else
ret = _wunlink(pwBuffer);
}
else {
filename = PerlDir_mapA(filename);
attrs = GetFileAttributesA(filename);
if (attrs == 0xFFFFFFFF)
goto fail;
if (attrs & FILE_ATTRIBUTE_READONLY) {
(void)SetFileAttributesA(filename, attrs & ~FILE_ATTRIBUTE_READONLY);
ret = unlink(filename);
if (ret == -1)
(void)SetFileAttributesA(filename, attrs);
}
else
ret = unlink(filename);
}
return ret;
fail:
errno = ENOENT;
return -1;
}
DllExport int
win32_utime(const char *filename, struct utimbuf *times)
{
dTHX;
HANDLE handle;
FILETIME ftCreate;
FILETIME ftAccess;
FILETIME ftWrite;
struct utimbuf TimeBuffer;
WCHAR wbuffer[MAX_PATH+1];
WCHAR* pwbuffer;
int rc;
if (USING_WIDE()) {
A2WHELPER(filename, wbuffer, sizeof(wbuffer));
pwbuffer = PerlDir_mapW(wbuffer);
rc = _wutime(pwbuffer, (struct _utimbuf*)times);
}
else {
filename = PerlDir_mapA(filename);
rc = utime(filename, times);
}
/* EACCES: path specifies directory or readonly file */
if (rc == 0 || errno != EACCES /* || !IsWinNT() */)
return rc;
if (times == NULL) {
times = &TimeBuffer;
time(×->actime);
times->modtime = times->actime;
}
/* This will (and should) still fail on readonly files */
if (USING_WIDE()) {
handle = CreateFileW(pwbuffer, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
}
else {
handle = CreateFileA(filename, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
}
if (handle == INVALID_HANDLE_VALUE)
return rc;
if (GetFileTime(handle, &ftCreate, &ftAccess, &ftWrite) &&
filetime_from_time(&ftAccess, times->actime) &&
filetime_from_time(&ftWrite, times->modtime) &&
SetFileTime(handle, &ftCreate, &ftAccess, &ftWrite))
{
rc = 0;
}
CloseHandle(handle);
return rc;
}
typedef union {
unsigned __int64 ft_i64;
FILETIME ft_val;
} FT_t;
#ifdef __GNUC__
#define Const64(x) x##LL
#else
#define Const64(x) x##i64
#endif
/* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */
#define EPOCH_BIAS Const64(116444736000000000)
/* NOTE: This does not compute the timezone info (doing so can be expensive,
* and appears to be unsupported even by glibc) */
DllExport int
win32_gettimeofday(struct timeval *tp, void *not_used)
{
FT_t ft;
/* this returns time in 100-nanosecond units (i.e. tens of usecs) */
GetSystemTimeAsFileTime(&ft.ft_val);
/* seconds since epoch */
tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000));
/* microseconds remaining */
tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000));
return 0;
}
DllExport int
win32_uname(struct utsname *name)
{
struct hostent *hep;
STRLEN nodemax = sizeof(name->nodename)-1;
OSVERSIONINFO osver;
memset(&osver, 0, sizeof(OSVERSIONINFO));
osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
if (GetVersionEx(&osver)) {
/* sysname */
switch (osver.dwPlatformId) {
case VER_PLATFORM_WIN32_WINDOWS:
strcpy(name->sysname, "Windows");
break;
case VER_PLATFORM_WIN32_NT:
strcpy(name->sysname, "Windows NT");
break;
case VER_PLATFORM_WIN32s:
strcpy(name->sysname, "Win32s");
break;
default:
strcpy(name->sysname, "Win32 Unknown");
break;
}
/* release */
sprintf(name->release, "%d.%d",
osver.dwMajorVersion, osver.dwMinorVersion);
/* version */
sprintf(name->version, "Build %d",
osver.dwPlatformId == VER_PLATFORM_WIN32_NT
? osver.dwBuildNumber : (osver.dwBuildNumber & 0xffff));
if (osver.szCSDVersion[0]) {
char *buf = name->version + strlen(name->version);
sprintf(buf, " (%s)", osver.szCSDVersion);
}
}
else {
*name->sysname = '\0';
*name->version = '\0';
*name->release = '\0';
}
/* nodename */
hep = win32_gethostbyname("localhost");
if (hep) {
STRLEN len = strlen(hep->h_name);
if (len <= nodemax) {
strcpy(name->nodename, hep->h_name);
}
else {
strncpy(name->nodename, hep->h_name, nodemax);
name->nodename[nodemax] = '\0';
}
}
else {
DWORD sz = nodemax;
if (!GetComputerName(name->nodename, &sz))
*name->nodename = '\0';
}
/* machine (architecture) */
{
SYSTEM_INFO info;
DWORD procarch;
char *arch;
GetSystemInfo(&info);
#if (defined(__BORLANDC__)&&(__BORLANDC__<=0x520)) \
|| (defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
procarch = info.u.s.wProcessorArchitecture;
#else
procarch = info.wProcessorArchitecture;
#endif
switch (procarch) {
case PROCESSOR_ARCHITECTURE_INTEL:
arch = "x86"; break;
case PROCESSOR_ARCHITECTURE_MIPS:
arch = "mips"; break;
case PROCESSOR_ARCHITECTURE_ALPHA:
arch = "alpha"; break;
case PROCESSOR_ARCHITECTURE_PPC:
arch = "ppc"; break;
#ifdef PROCESSOR_ARCHITECTURE_SHX
case PROCESSOR_ARCHITECTURE_SHX:
arch = "shx"; break;
#endif
#ifdef PROCESSOR_ARCHITECTURE_ARM
case PROCESSOR_ARCHITECTURE_ARM:
arch = "arm"; break;
#endif
#ifdef PROCESSOR_ARCHITECTURE_IA64
case PROCESSOR_ARCHITECTURE_IA64:
arch = "ia64"; break;
#endif
#ifdef PROCESSOR_ARCHITECTURE_ALPHA64
case PROCESSOR_ARCHITECTURE_ALPHA64:
arch = "alpha64"; break;
#endif
#ifdef PROCESSOR_ARCHITECTURE_MSIL
case PROCESSOR_ARCHITECTURE_MSIL:
arch = "msil"; break;
#endif
#ifdef PROCESSOR_ARCHITECTURE_AMD64
case PROCESSOR_ARCHITECTURE_AMD64:
arch = "amd64"; break;
#endif
#ifdef PROCESSOR_ARCHITECTURE_IA32_ON_WIN64
case PROCESSOR_ARCHITECTURE_IA32_ON_WIN64:
arch = "ia32-64"; break;
#endif
#ifdef PROCESSOR_ARCHITECTURE_UNKNOWN
case PROCESSOR_ARCHITECTURE_UNKNOWN:
arch = "unknown"; break;
#endif
default:
sprintf(name->machine, "unknown(0x%x)", procarch);
arch = name->machine;
break;
}
if (name->machine != arch)
strcpy(name->machine, arch);
}
return 0;
}
/* Timing related stuff */
int
do_raise(pTHX_ int sig)
{
if (sig < SIG_SIZE) {
Sighandler_t handler = w32_sighandler[sig];
if (handler == SIG_IGN) {
return 0;
}
else if (handler != SIG_DFL) {
(*handler)(sig);
return 0;
}
else {
/* Choose correct default behaviour */
switch (sig) {
#ifdef SIGCLD
case SIGCLD:
#endif
#ifdef SIGCHLD
case SIGCHLD:
#endif
case 0:
return 0;
case SIGTERM:
default:
break;
}
}
}
/* Tell caller to exit thread/process as approriate */
return 1;
}
void
sig_terminate(pTHX_ int sig)
{
Perl_warn(aTHX_ "Terminating on signal SIG%s(%d)\n",PL_sig_name[sig], sig);
/* exit() seems to be safe, my_exit() or die() is a problem in ^C
thread
*/
exit(sig);
}
DllExport int
win32_async_check(pTHX)
{
MSG msg;
int ours = 1;
/* Passing PeekMessage -1 as HWND (2nd arg) only get PostThreadMessage() messages
* and ignores window messages - should co-exist better with windows apps e.g. Tk
*/
while (PeekMessage(&msg, (HWND)-1, 0, 0, PM_REMOVE|PM_NOYIELD)) {
int sig;
switch(msg.message) {
#if 0
/* Perhaps some other messages could map to signals ? ... */
case WM_CLOSE:
case WM_QUIT:
/* Treat WM_QUIT like SIGHUP? */
sig = SIGHUP;
goto Raise;
break;
#endif
/* We use WM_USER to fake kill() with other signals */
case WM_USER: {
sig = msg.wParam;
Raise:
if (do_raise(aTHX_ sig)) {
sig_terminate(aTHX_ sig);
}
break;
}
case WM_TIMER: {
/* alarm() is a one-shot but SetTimer() repeats so kill it */
if (w32_timerid) {
KillTimer(NULL,w32_timerid);
w32_timerid=0;
}
/* Now fake a call to signal handler */
if (do_raise(aTHX_ 14)) {
sig_terminate(aTHX_ 14);
}
break;
}
/* Otherwise do normal Win32 thing - in case it is useful */
default:
TranslateMessage(&msg);
DispatchMessage(&msg);
ours = 0;
break;
}
}
w32_poll_count = 0;
/* Above or other stuff may have set a signal flag */
if (PL_sig_pending) {
despatch_signals();
}
return ours;
}
DllExport DWORD
win32_msgwait(pTHX_ DWORD count, LPHANDLE handles, DWORD timeout, LPDWORD resultp)
{
/* We may need several goes at this - so compute when we stop */
DWORD ticks = 0;
if (timeout != INFINITE) {
ticks = GetTickCount();
timeout += ticks;
}
while (1) {
DWORD result = MsgWaitForMultipleObjects(count,handles,FALSE,timeout-ticks, QS_ALLEVENTS);
if (resultp)
*resultp = result;
if (result == WAIT_TIMEOUT) {
/* Ran out of time - explicit return of zero to avoid -ve if we
have scheduling issues
*/
return 0;
}
if (timeout != INFINITE) {
ticks = GetTickCount();
}
if (result == WAIT_OBJECT_0 + count) {
/* Message has arrived - check it */
if (win32_async_check(aTHX)) {
/* was one of ours */
break;
}
}
else {
/* Not timeout or message - one of handles is ready */
break;
}
}
/* compute time left to wait */
ticks = timeout - ticks;
/* If we are past the end say zero */
return (ticks > 0) ? ticks : 0;
}
int
win32_internal_wait(int *status, DWORD timeout)
{
/* XXX this wait emulation only knows about processes
* spawned via win32_spawnvp(P_NOWAIT, ...).
*/
dTHX;
int i, retval;
DWORD exitcode, waitcode;
#ifdef USE_ITHREADS
if (w32_num_pseudo_children) {
win32_msgwait(aTHX_ w32_num_pseudo_children, w32_pseudo_child_handles,
timeout, &waitcode);
/* Time out here if there are no other children to wait for. */
if (waitcode == WAIT_TIMEOUT) {
if (!w32_num_children) {
return 0;
}
}
else if (waitcode != WAIT_FAILED) {
if (waitcode >= WAIT_ABANDONED_0
&& waitcode < WAIT_ABANDONED_0 + w32_num_pseudo_children)
i = waitcode - WAIT_ABANDONED_0;
else
i = waitcode - WAIT_OBJECT_0;
if (GetExitCodeThread(w32_pseudo_child_handles[i], &exitcode)) {
*status = (int)((exitcode & 0xff) << 8);
retval = (int)w32_pseudo_child_pids[i];
remove_dead_pseudo_process(i);
return -retval;
}
}
}
#endif
if (!w32_num_children) {
errno = ECHILD;
return -1;
}
/* if a child exists, wait for it to die */
win32_msgwait(aTHX_ w32_num_children, w32_child_handles, timeout, &waitcode);
if (waitcode == WAIT_TIMEOUT) {
return 0;
}
if (waitcode != WAIT_FAILED) {
if (waitcode >= WAIT_ABANDONED_0
&& waitcode < WAIT_ABANDONED_0 + w32_num_children)
i = waitcode - WAIT_ABANDONED_0;
else
i = waitcode - WAIT_OBJECT_0;
if (GetExitCodeProcess(w32_child_handles[i], &exitcode) ) {
*status = (int)((exitcode & 0xff) << 8);
retval = (int)w32_child_pids[i];
remove_dead_process(i);
return retval;
}
}
errno = GetLastError();
return -1;
}
DllExport int
win32_waitpid(int pid, int *status, int flags)
{
dTHX;
DWORD timeout = (flags & WNOHANG) ? 0 : INFINITE;
int retval = -1;
long child;
if (pid == -1) /* XXX threadid == 1 ? */
return win32_internal_wait(status, timeout);
#ifdef USE_ITHREADS
else if (pid < 0) {
child = find_pseudo_pid(-pid);
if (child >= 0) {
HANDLE hThread = w32_pseudo_child_handles[child];
DWORD waitcode;
win32_msgwait(aTHX_ 1, &hThread, timeout, &waitcode);
if (waitcode == WAIT_TIMEOUT) {
return 0;
}
else if (waitcode == WAIT_OBJECT_0) {
if (GetExitCodeThread(hThread, &waitcode)) {
*status = (int)((waitcode & 0xff) << 8);
retval = (int)w32_pseudo_child_pids[child];
remove_dead_pseudo_process(child);
return -retval;
}
}
else
errno = ECHILD;
}
else if (IsWin95()) {
pid = -pid;
goto alien_process;
}
}
#endif
else {
HANDLE hProcess;
DWORD waitcode;
child = find_pid(pid);
if (child >= 0) {
hProcess = w32_child_handles[child];
win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
if (waitcode == WAIT_TIMEOUT) {
return 0;
}
else if (waitcode == WAIT_OBJECT_0) {
if (GetExitCodeProcess(hProcess, &waitcode)) {
*status = (int)((waitcode & 0xff) << 8);
retval = (int)w32_child_pids[child];
remove_dead_process(child);
return retval;
}
}
else
errno = ECHILD;
}
else {
alien_process:
hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
(IsWin95() ? -pid : pid));
if (hProcess) {
win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
if (waitcode == WAIT_TIMEOUT) {
return 0;
}
else if (waitcode == WAIT_OBJECT_0) {
if (GetExitCodeProcess(hProcess, &waitcode)) {
*status = (int)((waitcode & 0xff) << 8);
CloseHandle(hProcess);
return pid;
}
}
CloseHandle(hProcess);
}
else
errno = ECHILD;
}
}
return retval >= 0 ? pid : retval;
}
DllExport int
win32_wait(int *status)
{
return win32_internal_wait(status, INFINITE);
}
DllExport unsigned int
win32_sleep(unsigned int t)
{
dTHX;
/* Win32 times are in ms so *1000 in and /1000 out */
return win32_msgwait(aTHX_ 0, NULL, t*1000, NULL)/1000;
}
DllExport unsigned int
win32_alarm(unsigned int sec)
{
/*
* the 'obvious' implentation is SetTimer() with a callback
* which does whatever receiving SIGALRM would do
* we cannot use SIGALRM even via raise() as it is not
* one of the supported codes in <signal.h>
*/
dTHX;
if (sec) {
w32_timerid = SetTimer(NULL,w32_timerid,sec*1000,NULL);
}
else {
if (w32_timerid) {
KillTimer(NULL,w32_timerid);
w32_timerid=0;
}
}
return 0;
}
#ifdef HAVE_DES_FCRYPT
extern char * des_fcrypt(const char *txt, const char *salt, char *cbuf);
#endif
DllExport char *
win32_crypt(const char *txt, const char *salt)
{
dTHX;
#ifdef HAVE_DES_FCRYPT
return des_fcrypt(txt, salt, w32_crypt_buffer);
#else
Perl_croak(aTHX_ "The crypt() function is unimplemented due to excessive paranoia.");
return Nullch;
#endif
}
#ifdef USE_FIXED_OSFHANDLE
#define FOPEN 0x01 /* file handle open */
#define FNOINHERIT 0x10 /* file handle opened O_NOINHERIT */
#define FAPPEND 0x20 /* file handle opened O_APPEND */
#define FDEV 0x40 /* file handle refers to device */
#define FTEXT 0x80 /* file handle is in text mode */
/***
*int my_open_osfhandle(intptr_t osfhandle, int flags) - open C Runtime file handle
*
*Purpose:
* This function allocates a free C Runtime file handle and associates
* it with the Win32 HANDLE specified by the first parameter. This is a
* temperary fix for WIN95's brain damage GetFileType() error on socket
* we just bypass that call for socket
*
* This works with MSVC++ 4.0+ or GCC/Mingw32
*
*Entry:
* intptr_t osfhandle - Win32 HANDLE to associate with C Runtime file handle.
* int flags - flags to associate with C Runtime file handle.
*
*Exit:
* returns index of entry in fh, if successful
* return -1, if no free entry is found
*
*Exceptions:
*
*******************************************************************************/
/*
* we fake up some parts of the CRT that aren't exported by MSVCRT.dll
* this lets sockets work on Win9X with GCC and should fix the problems
* with perl95.exe
* -- BKS, 1-23-2000
*/
/* create an ioinfo entry, kill its handle, and steal the entry */
static int
_alloc_osfhnd(void)
{
HANDLE hF = CreateFile("NUL", 0, 0, NULL, OPEN_ALWAYS, 0, NULL);
int fh = _open_osfhandle((intptr_t)hF, 0);
CloseHandle(hF);
if (fh == -1)
return fh;
EnterCriticalSection(&(_pioinfo(fh)->lock));
return fh;
}
static int
my_open_osfhandle(intptr_t osfhandle, int flags)
{
int fh;
char fileflags; /* _osfile flags */
/* copy relevant flags from second parameter */
fileflags = FDEV;
if (flags & O_APPEND)
fileflags |= FAPPEND;
if (flags & O_TEXT)
fileflags |= FTEXT;
if (flags & O_NOINHERIT)
fileflags |= FNOINHERIT;
/* attempt to allocate a C Runtime file handle */
if ((fh = _alloc_osfhnd()) == -1) {
errno = EMFILE; /* too many open files */
_doserrno = 0L; /* not an OS error */
return -1; /* return error to caller */
}
/* the file is open. now, set the info in _osfhnd array */
_set_osfhnd(fh, osfhandle);
fileflags |= FOPEN; /* mark as open */
_osfile(fh) = fileflags; /* set osfile entry */
LeaveCriticalSection(&_pioinfo(fh)->lock);
return fh; /* return handle */
}
#endif /* USE_FIXED_OSFHANDLE */
/* simulate flock by locking a range on the file */
#define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError()))
#define LK_LEN 0xffff0000
DllExport int
win32_flock(int fd, int oper)
{
OVERLAPPED o;
int i = -1;
HANDLE fh;
if (!IsWinNT()) {
dTHX;
Perl_croak_nocontext("flock() unimplemented on this platform");
return -1;
}
fh = (HANDLE)_get_osfhandle(fd);
memset(&o, 0, sizeof(o));
switch(oper) {
case LOCK_SH: /* shared lock */
LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i);
break;
case LOCK_EX: /* exclusive lock */
LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i);
break;
case LOCK_SH|LOCK_NB: /* non-blocking shared lock */
LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i);
break;
case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */
LK_ERR(LockFileEx(fh,
LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY,
0, LK_LEN, 0, &o),i);
break;
case LOCK_UN: /* unlock lock */
LK_ERR(UnlockFileEx(fh, 0, LK_LEN, 0, &o),i);
break;
default: /* unknown */
errno = EINVAL;
break;
}
return i;
}
#undef LK_ERR
#undef LK_LEN
/*
* redirected io subsystem for all XS modules
*
*/
DllExport int *
win32_errno(void)
{
return (&errno);
}
DllExport char ***
win32_environ(void)
{
return (&(_environ));
}
/* the rest are the remapped stdio routines */
DllExport FILE *
win32_stderr(void)
{
return (stderr);
}
DllExport FILE *
win32_stdin(void)
{
return (stdin);
}
DllExport FILE *
win32_stdout()
{
return (stdout);
}
DllExport int
win32_ferror(FILE *fp)
{
return (ferror(fp));
}
DllExport int
win32_feof(FILE *fp)
{
return (feof(fp));
}
/*
* Since the errors returned by the socket error function
* WSAGetLastError() are not known by the library routine strerror
* we have to roll our own.
*/
DllExport char *
win32_strerror(int e)
{
#if !defined __BORLANDC__ && !defined __MINGW32__ /* compiler intolerance */
extern int sys_nerr;
#endif
DWORD source = 0;
if (e < 0 || e > sys_nerr) {
dTHX;
if (e < 0)
e = GetLastError();
if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0,
w32_strerror_buffer,
sizeof(w32_strerror_buffer), NULL) == 0)
strcpy(w32_strerror_buffer, "Unknown Error");
return w32_strerror_buffer;
}
return strerror(e);
}
DllExport void
win32_str_os_error(void *sv, DWORD dwErr)
{
DWORD dwLen;
char *sMsg;
dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
|FORMAT_MESSAGE_IGNORE_INSERTS
|FORMAT_MESSAGE_FROM_SYSTEM, NULL,
dwErr, 0, (char *)&sMsg, 1, NULL);
/* strip trailing whitespace and period */
if (0 < dwLen) {
do {
--dwLen; /* dwLen doesn't include trailing null */
} while (0 < dwLen && isSPACE(sMsg[dwLen]));
if ('.' != sMsg[dwLen])
dwLen++;
sMsg[dwLen] = '\0';
}
if (0 == dwLen) {
sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/);
if (sMsg)
dwLen = sprintf(sMsg,
"Unknown error #0x%lX (lookup 0x%lX)",
dwErr, GetLastError());
}
if (sMsg) {
dTHX;
sv_setpvn((SV*)sv, sMsg, dwLen);
LocalFree(sMsg);
}
}
DllExport int
win32_fprintf(FILE *fp, const char *format, ...)
{
va_list marker;
va_start(marker, format); /* Initialize variable arguments. */
return (vfprintf(fp, format, marker));
}
DllExport int
win32_printf(const char *format, ...)
{
va_list marker;
va_start(marker, format); /* Initialize variable arguments. */
return (vprintf(format, marker));
}
DllExport int
win32_vfprintf(FILE *fp, const char *format, va_list args)
{
return (vfprintf(fp, format, args));
}
DllExport int
win32_vprintf(const char *format, va_list args)
{
return (vprintf(format, args));
}
DllExport size_t
win32_fread(void *buf, size_t size, size_t count, FILE *fp)
{
return fread(buf, size, count, fp);
}
DllExport size_t
win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
{
return fwrite(buf, size, count, fp);
}
#define MODE_SIZE 10
DllExport FILE *
win32_fopen(const char *filename, const char *mode)
{
dTHX;
WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1];
FILE *f;
if (!*filename)
return NULL;
if (stricmp(filename, "/dev/null")==0)
filename = "NUL";
if (USING_WIDE()) {
A2WHELPER(mode, wMode, sizeof(wMode));
A2WHELPER(filename, wBuffer, sizeof(wBuffer));
f = _wfopen(PerlDir_mapW(wBuffer), wMode);
}
else
f = fopen(PerlDir_mapA(filename), mode);
/* avoid buffering headaches for child processes */
if (f && *mode == 'a')
win32_fseek(f, 0, SEEK_END);
return f;
}
#ifndef USE_SOCKETS_AS_HANDLES
#undef fdopen
#define fdopen my_fdopen
#endif
DllExport FILE *
win32_fdopen(int handle, const char *mode)
{
dTHX;
WCHAR wMode[MODE_SIZE];
FILE *f;
if (USING_WIDE()) {
A2WHELPER(mode, wMode, sizeof(wMode));
f = _wfdopen(handle, wMode);
}
else
f = fdopen(handle, (char *) mode);
/* avoid buffering headaches for child processes */
if (f && *mode == 'a')
win32_fseek(f, 0, SEEK_END);
return f;
}
DllExport FILE *
win32_freopen(const char *path, const char *mode, FILE *stream)
{
dTHX;
WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1];
if (stricmp(path, "/dev/null")==0)
path = "NUL";
if (USING_WIDE()) {
A2WHELPER(mode, wMode, sizeof(wMode));
A2WHELPER(path, wBuffer, sizeof(wBuffer));
return _wfreopen(PerlDir_mapW(wBuffer), wMode, stream);
}
return freopen(PerlDir_mapA(path), mode, stream);
}
DllExport int
win32_fclose(FILE *pf)
{
return my_fclose(pf); /* defined in win32sck.c */
}
DllExport int
win32_fputs(const char *s,FILE *pf)
{
return fputs(s, pf);
}
DllExport int
win32_fputc(int c,FILE *pf)
{
return fputc(c,pf);
}
DllExport int
win32_ungetc(int c,FILE *pf)
{
return ungetc(c,pf);
}
DllExport int
win32_getc(FILE *pf)
{
return getc(pf);
}
DllExport int
win32_fileno(FILE *pf)
{
return fileno(pf);
}
DllExport void
win32_clearerr(FILE *pf)
{
clearerr(pf);
return;
}
DllExport int
win32_fflush(FILE *pf)
{
return fflush(pf);
}
DllExport Off_t
win32_ftell(FILE *pf)
{
#if defined(WIN64) || defined(USE_LARGE_FILES)
fpos_t pos;
if (fgetpos(pf, &pos))
return -1;
return (Off_t)pos;
#else
return ftell(pf);
#endif
}
DllExport int
win32_fseek(FILE *pf, Off_t offset,int origin)
{
#if defined(WIN64) || defined(USE_LARGE_FILES)
fpos_t pos;
switch (origin) {
case SEEK_CUR:
if (fgetpos(pf, &pos))
return -1;
offset += pos;
break;
case SEEK_END:
fseek(pf, 0, SEEK_END);
pos = _telli64(fileno(pf));
offset += pos;
break;
case SEEK_SET:
break;
default:
errno = EINVAL;
return -1;
}
return fsetpos(pf, &offset);
#else
return fseek(pf, offset, origin);
#endif
}
DllExport int
win32_fgetpos(FILE *pf,fpos_t *p)
{
return fgetpos(pf, p);
}
DllExport int
win32_fsetpos(FILE *pf,const fpos_t *p)
{
return fsetpos(pf, p);
}
DllExport void
win32_rewind(FILE *pf)
{
rewind(pf);
return;
}
DllExport FILE*
win32_tmpfile(void)
{
dTHX;
char prefix[MAX_PATH+1];
char filename[MAX_PATH+1];
DWORD len = GetTempPath(MAX_PATH, prefix);
if (len && len < MAX_PATH) {
if (GetTempFileName(prefix, "plx", 0, filename)) {
HANDLE fh = CreateFile(filename,
DELETE | GENERIC_READ | GENERIC_WRITE,
0,
NULL,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL
| FILE_FLAG_DELETE_ON_CLOSE,
NULL);
if (fh != INVALID_HANDLE_VALUE) {
int fd = win32_open_osfhandle((intptr_t)fh, 0);
if (fd >= 0) {
#if defined(__BORLANDC__)
setmode(fd,O_BINARY);
#endif
DEBUG_p(PerlIO_printf(Perl_debug_log,
"Created tmpfile=%s\n",filename));
return fdopen(fd, "w+b");
}
}
}
}
return NULL;
}
DllExport void
win32_abort(void)
{
abort();
return;
}
DllExport int
win32_fstat(int fd, Stat_t *sbufptr)
{
#ifdef __BORLANDC__
/* A file designated by filehandle is not shown as accessible
* for write operations, probably because it is opened for reading.
* --Vadim Konovalov
*/
int rc = fstat(fd,sbufptr);
BY_HANDLE_FILE_INFORMATION bhfi;
if (GetFileInformationByHandle((HANDLE)_get_osfhandle(fd), &bhfi)) {
sbufptr->st_mode &= 0xFE00;
if (bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY)
sbufptr->st_mode |= (S_IREAD + (S_IREAD >> 3) + (S_IREAD >> 6));
else
sbufptr->st_mode |= ((S_IREAD|S_IWRITE) + ((S_IREAD|S_IWRITE) >> 3)
+ ((S_IREAD|S_IWRITE) >> 6));
}
return rc;
#else
return my_fstat(fd,sbufptr);
#endif
}
DllExport int
win32_pipe(int *pfd, unsigned int size, int mode)
{
return _pipe(pfd, size, mode);
}
DllExport PerlIO*
win32_popenlist(const char *mode, IV narg, SV **args)
{
dTHX;
Perl_croak(aTHX_ "List form of pipe open not implemented");
return NULL;
}
/*
* a popen() clone that respects PERL5SHELL
*
* changed to return PerlIO* rather than FILE * by BKS, 11-11-2000
*/
DllExport PerlIO*
win32_popen(const char *command, const char *mode)
{
#ifdef USE_RTL_POPEN
return _popen(command, mode);
#else
dTHX;
int p[2];
int parent, child;
int stdfd, oldfd;
int ourmode;
int childpid;
DWORD nhandle;
HANDLE old_h;
int lock_held = 0;
/* establish which ends read and write */
if (strchr(mode,'w')) {
stdfd = 0; /* stdin */
parent = 1;
child = 0;
nhandle = STD_INPUT_HANDLE;
}
else if (strchr(mode,'r')) {
stdfd = 1; /* stdout */
parent = 0;
child = 1;
nhandle = STD_OUTPUT_HANDLE;
}
else
return NULL;
/* set the correct mode */
if (strchr(mode,'b'))
ourmode = O_BINARY;
else if (strchr(mode,'t'))
ourmode = O_TEXT;
else
ourmode = _fmode & (O_TEXT | O_BINARY);
/* the child doesn't inherit handles */
ourmode |= O_NOINHERIT;
if (win32_pipe(p, 512, ourmode) == -1)
return NULL;
/* save current stdfd */
if ((oldfd = win32_dup(stdfd)) == -1)
goto cleanup;
/* make stdfd go to child end of pipe (implicitly closes stdfd) */
/* stdfd will be inherited by the child */
if (win32_dup2(p[child], stdfd) == -1)
goto cleanup;
/* close the child end in parent */
win32_close(p[child]);
/* save the old std handle, and set the std handle */
OP_REFCNT_LOCK;
lock_held = 1;
old_h = GetStdHandle(nhandle);
SetStdHandle(nhandle, (HANDLE)_get_osfhandle(stdfd));
/* start the child */
{
dTHX;
if ((childpid = do_spawn_nowait((char*)command)) == -1)
goto cleanup;
/* restore the old std handle */
if (lock_held) {
SetStdHandle(nhandle, old_h);
OP_REFCNT_UNLOCK;
lock_held = 0;
}
/* revert stdfd to whatever it was before */
if (win32_dup2(oldfd, stdfd) == -1)
goto cleanup;
/* close saved handle */
win32_close(oldfd);
LOCK_FDPID_MUTEX;
sv_setiv(*av_fetch(w32_fdpid, p[parent], TRUE), childpid);
UNLOCK_FDPID_MUTEX;
/* set process id so that it can be returned by perl's open() */
PL_forkprocess = childpid;
}
/* we have an fd, return a file stream */
return (PerlIO_fdopen(p[parent], (char *)mode));
cleanup:
/* we don't need to check for errors here */
win32_close(p[0]);
win32_close(p[1]);
if (lock_held) {
SetStdHandle(nhandle, old_h);
OP_REFCNT_UNLOCK;
lock_held = 0;
}
if (oldfd != -1) {
win32_dup2(oldfd, stdfd);
win32_close(oldfd);
}
return (NULL);
#endif /* USE_RTL_POPEN */
}
/*
* pclose() clone
*/
DllExport int
win32_pclose(PerlIO *pf)
{
#ifdef USE_RTL_POPEN
return _pclose(pf);
#else
dTHX;
int childpid, status;
SV *sv;
LOCK_FDPID_MUTEX;
sv = *av_fetch(w32_fdpid, PerlIO_fileno(pf), TRUE);
if (SvIOK(sv))
childpid = SvIVX(sv);
else
childpid = 0;
if (!childpid) {
errno = EBADF;
return -1;
}
#ifdef USE_PERLIO
PerlIO_close(pf);
#else
fclose(pf);
#endif
SvIVX(sv) = 0;
UNLOCK_FDPID_MUTEX;
if (win32_waitpid(childpid, &status, 0) == -1)
return -1;
return status;
#endif /* USE_RTL_POPEN */
}
static BOOL WINAPI
Nt4CreateHardLinkW(
LPCWSTR lpFileName,
LPCWSTR lpExistingFileName,
LPSECURITY_ATTRIBUTES lpSecurityAttributes)
{
HANDLE handle;
WCHAR wFullName[MAX_PATH+1];
LPVOID lpContext = NULL;
WIN32_STREAM_ID StreamId;
DWORD dwSize = (char*)&StreamId.cStreamName - (char*)&StreamId;
DWORD dwWritten;
DWORD dwLen;
BOOL bSuccess;
BOOL (__stdcall *pfnBackupWrite)(HANDLE, LPBYTE, DWORD, LPDWORD,
BOOL, BOOL, LPVOID*) =
(BOOL (__stdcall *)(HANDLE, LPBYTE, DWORD, LPDWORD,
BOOL, BOOL, LPVOID*))
GetProcAddress(GetModuleHandle("kernel32.dll"), "BackupWrite");
if (pfnBackupWrite == NULL)
return 0;
dwLen = GetFullPathNameW(lpFileName, MAX_PATH, wFullName, NULL);
if (dwLen == 0)
return 0;
dwLen = (dwLen+1)*sizeof(WCHAR);
handle = CreateFileW(lpExistingFileName, FILE_WRITE_ATTRIBUTES,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
NULL, OPEN_EXISTING, 0, NULL);
if (handle == INVALID_HANDLE_VALUE)
return 0;
StreamId.dwStreamId = BACKUP_LINK;
StreamId.dwStreamAttributes = 0;
StreamId.dwStreamNameSize = 0;
#if defined(__BORLANDC__) \
||(defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
StreamId.Size.u.HighPart = 0;
StreamId.Size.u.LowPart = dwLen;
#else
StreamId.Size.HighPart = 0;
StreamId.Size.LowPart = dwLen;
#endif
bSuccess = pfnBackupWrite(handle, (LPBYTE)&StreamId, dwSize, &dwWritten,
FALSE, FALSE, &lpContext);
if (bSuccess) {
bSuccess = pfnBackupWrite(handle, (LPBYTE)wFullName, dwLen, &dwWritten,
FALSE, FALSE, &lpContext);
pfnBackupWrite(handle, NULL, 0, &dwWritten, TRUE, FALSE, &lpContext);
}
CloseHandle(handle);
return bSuccess;
}
DllExport int
win32_link(const char *oldname, const char *newname)
{
dTHX;
BOOL (__stdcall *pfnCreateHardLinkW)(LPCWSTR,LPCWSTR,LPSECURITY_ATTRIBUTES);
WCHAR wOldName[MAX_PATH+1];
WCHAR wNewName[MAX_PATH+1];
if (IsWin95())
Perl_croak(aTHX_ PL_no_func, "link");
pfnCreateHardLinkW =
(BOOL (__stdcall *)(LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES))
GetProcAddress(GetModuleHandle("kernel32.dll"), "CreateHardLinkW");
if (pfnCreateHardLinkW == NULL)
pfnCreateHardLinkW = Nt4CreateHardLinkW;
if ((A2WHELPER(oldname, wOldName, sizeof(wOldName))) &&
(A2WHELPER(newname, wNewName, sizeof(wNewName))) &&
(wcscpy(wOldName, PerlDir_mapW(wOldName)),
pfnCreateHardLinkW(PerlDir_mapW(wNewName), wOldName, NULL)))
{
return 0;
}
errno = (GetLastError() == ERROR_FILE_NOT_FOUND) ? ENOENT : EINVAL;
return -1;
}
DllExport int
win32_rename(const char *oname, const char *newname)
{
WCHAR wOldName[MAX_PATH+1];
WCHAR wNewName[MAX_PATH+1];
char szOldName[MAX_PATH+1];
char szNewName[MAX_PATH+1];
BOOL bResult;
dTHX;
/* XXX despite what the documentation says about MoveFileEx(),
* it doesn't work under Windows95!
*/
if (IsWinNT()) {
DWORD dwFlags = MOVEFILE_COPY_ALLOWED;
if (USING_WIDE()) {
A2WHELPER(oname, wOldName, sizeof(wOldName));
A2WHELPER(newname, wNewName, sizeof(wNewName));
if (wcsicmp(wNewName, wOldName))
dwFlags |= MOVEFILE_REPLACE_EXISTING;
wcscpy(wOldName, PerlDir_mapW(wOldName));
bResult = MoveFileExW(wOldName,PerlDir_mapW(wNewName), dwFlags);
}
else {
if (stricmp(newname, oname))
dwFlags |= MOVEFILE_REPLACE_EXISTING;
strcpy(szOldName, PerlDir_mapA(oname));
bResult = MoveFileExA(szOldName,PerlDir_mapA(newname), dwFlags);
}
if (!bResult) {
DWORD err = GetLastError();
switch (err) {
case ERROR_BAD_NET_NAME:
case ERROR_BAD_NETPATH:
case ERROR_BAD_PATHNAME:
case ERROR_FILE_NOT_FOUND:
case ERROR_FILENAME_EXCED_RANGE:
case ERROR_INVALID_DRIVE:
case ERROR_NO_MORE_FILES:
case ERROR_PATH_NOT_FOUND:
errno = ENOENT;
break;
default:
errno = EACCES;
break;
}
return -1;
}
return 0;
}
else {
int retval = 0;
char szTmpName[MAX_PATH+1];
char dname[MAX_PATH+1];
char *endname = Nullch;
STRLEN tmplen = 0;
DWORD from_attr, to_attr;
strcpy(szOldName, PerlDir_mapA(oname));
strcpy(szNewName, PerlDir_mapA(newname));
/* if oname doesn't exist, do nothing */
from_attr = GetFileAttributes(szOldName);
if (from_attr == 0xFFFFFFFF) {
errno = ENOENT;
return -1;
}
/* if newname exists, rename it to a temporary name so that we
* don't delete it in case oname happens to be the same file
* (but perhaps accessed via a different path)
*/
to_attr = GetFileAttributes(szNewName);
if (to_attr != 0xFFFFFFFF) {
/* if newname is a directory, we fail
* XXX could overcome this with yet more convoluted logic */
if (to_attr & FILE_ATTRIBUTE_DIRECTORY) {
errno = EACCES;
return -1;
}
tmplen = strlen(szNewName);
strcpy(szTmpName,szNewName);
endname = szTmpName+tmplen;
for (; endname > szTmpName ; --endname) {
if (*endname == '/' || *endname == '\\') {
*endname = '\0';
break;
}
}
if (endname > szTmpName)
endname = strcpy(dname,szTmpName);
else
endname = ".";
/* get a temporary filename in same directory
* XXX is this really the best we can do? */
if (!GetTempFileName((LPCTSTR)endname, "plr", 0, szTmpName)) {
errno = ENOENT;
return -1;
}
DeleteFile(szTmpName);
retval = rename(szNewName, szTmpName);
if (retval != 0) {
errno = EACCES;
return retval;
}
}
/* rename oname to newname */
retval = rename(szOldName, szNewName);
/* if we created a temporary file before ... */
if (endname != Nullch) {
/* ...and rename succeeded, delete temporary file/directory */
if (retval == 0)
DeleteFile(szTmpName);
/* else restore it to what it was */
else
(void)rename(szTmpName, szNewName);
}
return retval;
}
}
DllExport int
win32_setmode(int fd, int mode)
{
return setmode(fd, mode);
}
DllExport Off_t
win32_lseek(int fd, Off_t offset, int origin)
{
#if defined(WIN64) || defined(USE_LARGE_FILES)
return _lseeki64(fd, offset, origin);
#else
return lseek(fd, offset, origin);
#endif
}
DllExport Off_t
win32_tell(int fd)
{
#if defined(WIN64) || defined(USE_LARGE_FILES)
return _telli64(fd);
#else
return tell(fd);
#endif
}
DllExport int
win32_open(const char *path, int flag, ...)
{
dTHX;
va_list ap;
int pmode;
WCHAR wBuffer[MAX_PATH+1];
va_start(ap, flag);
pmode = va_arg(ap, int);
va_end(ap);
if (stricmp(path, "/dev/null")==0)
path = "NUL";
if (USING_WIDE()) {
A2WHELPER(path, wBuffer, sizeof(wBuffer));
return _wopen(PerlDir_mapW(wBuffer), flag, pmode);
}
return open(PerlDir_mapA(path), flag, pmode);
}
/* close() that understands socket */
extern int my_close(int); /* in win32sck.c */
DllExport int
win32_close(int fd)
{
return my_close(fd);
}
DllExport int
win32_eof(int fd)
{
return eof(fd);
}
DllExport int
win32_dup(int fd)
{
return dup(fd);
}
DllExport int
win32_dup2(int fd1,int fd2)
{
return dup2(fd1,fd2);
}
#ifdef PERL_MSVCRT_READFIX
#define LF 10 /* line feed */
#define CR 13 /* carriage return */
#define CTRLZ 26 /* ctrl-z means eof for text */
#define FOPEN 0x01 /* file handle open */
#define FEOFLAG 0x02 /* end of file has been encountered */
#define FCRLF 0x04 /* CR-LF across read buffer (in text mode) */
#define FPIPE 0x08 /* file handle refers to a pipe */
#define FAPPEND 0x20 /* file handle opened O_APPEND */
#define FDEV 0x40 /* file handle refers to device */
#define FTEXT 0x80 /* file handle is in text mode */
#define MAX_DESCRIPTOR_COUNT (64*32) /* this is the maximun that MSVCRT can handle */
int __cdecl
_fixed_read(int fh, void *buf, unsigned cnt)
{
int bytes_read; /* number of bytes read */
char *buffer; /* buffer to read to */
int os_read; /* bytes read on OS call */
char *p, *q; /* pointers into buffer */
char peekchr; /* peek-ahead character */
ULONG filepos; /* file position after seek */
ULONG dosretval; /* o.s. return value */
/* validate handle */
if (((unsigned)fh >= (unsigned)MAX_DESCRIPTOR_COUNT) ||
!(_osfile(fh) & FOPEN))
{
/* out of range -- return error */
errno = EBADF;
_doserrno = 0; /* not o.s. error */
return -1;
}
/*
* If lockinitflag is FALSE, assume fd is device
* lockinitflag is set to TRUE by open.
*/
if (_pioinfo(fh)->lockinitflag)
EnterCriticalSection(&(_pioinfo(fh)->lock)); /* lock file */
bytes_read = 0; /* nothing read yet */
buffer = (char*)buf;
if (cnt == 0 || (_osfile(fh) & FEOFLAG)) {
/* nothing to read or at EOF, so return 0 read */
goto functionexit;
}
if ((_osfile(fh) & (FPIPE|FDEV)) && _pipech(fh) != LF) {
/* a pipe/device and pipe lookahead non-empty: read the lookahead
* char */
*buffer++ = _pipech(fh);
++bytes_read;
--cnt;
_pipech(fh) = LF; /* mark as empty */
}
/* read the data */
if (!ReadFile((HANDLE)_osfhnd(fh), buffer, cnt, (LPDWORD)&os_read, NULL))
{
/* ReadFile has reported an error. recognize two special cases.
*
* 1. map ERROR_ACCESS_DENIED to EBADF
*
* 2. just return 0 if ERROR_BROKEN_PIPE has occurred. it
* means the handle is a read-handle on a pipe for which
* all write-handles have been closed and all data has been
* read. */
if ((dosretval = GetLastError()) == ERROR_ACCESS_DENIED) {
/* wrong read/write mode should return EBADF, not EACCES */
errno = EBADF;
_doserrno = dosretval;
bytes_read = -1;
goto functionexit;
}
else if (dosretval == ERROR_BROKEN_PIPE) {
bytes_read = 0;
goto functionexit;
}
else {
bytes_read = -1;
goto functionexit;
}
}
bytes_read += os_read; /* update bytes read */
if (_osfile(fh) & FTEXT) {
/* now must translate CR-LFs to LFs in the buffer */
/* set CRLF flag to indicate LF at beginning of buffer */
/* if ((os_read != 0) && (*(char *)buf == LF)) */
/* _osfile(fh) |= FCRLF; */
/* else */
/* _osfile(fh) &= ~FCRLF; */
_osfile(fh) &= ~FCRLF;
/* convert chars in the buffer: p is src, q is dest */
p = q = (char*)buf;
while (p < (char *)buf + bytes_read) {
if (*p == CTRLZ) {
/* if fh is not a device, set ctrl-z flag */
if (!(_osfile(fh) & FDEV))
_osfile(fh) |= FEOFLAG;
break; /* stop translating */
}
else if (*p != CR)
*q++ = *p++;
else {
/* *p is CR, so must check next char for LF */
if (p < (char *)buf + bytes_read - 1) {
if (*(p+1) == LF) {
p += 2;
*q++ = LF; /* convert CR-LF to LF */
}
else
*q++ = *p++; /* store char normally */
}
else {
/* This is the hard part. We found a CR at end of
buffer. We must peek ahead to see if next char
is an LF. */
++p;
dosretval = 0;
if (!ReadFile((HANDLE)_osfhnd(fh), &peekchr, 1,
(LPDWORD)&os_read, NULL))
dosretval = GetLastError();
if (dosretval != 0 || os_read == 0) {
/* couldn't read ahead, store CR */
*q++ = CR;
}
else {
/* peekchr now has the extra character -- we now
have several possibilities:
1. disk file and char is not LF; just seek back
and copy CR
2. disk file and char is LF; store LF, don't seek back
3. pipe/device and char is LF; store LF.
4. pipe/device and char isn't LF, store CR and
put char in pipe lookahead buffer. */
if (_osfile(fh) & (FDEV|FPIPE)) {
/* non-seekable device */
if (peekchr == LF)
*q++ = LF;
else {
*q++ = CR;
_pipech(fh) = peekchr;
}
}
else {
/* disk file */
if (peekchr == LF) {
/* nothing read yet; must make some
progress */
*q++ = LF;
/* turn on this flag for tell routine */
_osfile(fh) |= FCRLF;
}
else {
HANDLE osHandle; /* o.s. handle value */
/* seek back */
if ((osHandle = (HANDLE)_get_osfhandle(fh)) != (HANDLE)-1)
{
if ((filepos = SetFilePointer(osHandle, -1, NULL, FILE_CURRENT)) == -1)
dosretval = GetLastError();
}
if (peekchr != LF)
*q++ = CR;
}
}
}
}
}
}
/* we now change bytes_read to reflect the true number of chars
in the buffer */
bytes_read = q - (char *)buf;
}
functionexit:
if (_pioinfo(fh)->lockinitflag)
LeaveCriticalSection(&(_pioinfo(fh)->lock)); /* unlock file */
return bytes_read;
}
#endif /* PERL_MSVCRT_READFIX */
DllExport int
win32_read(int fd, void *buf, unsigned int cnt)
{
#ifdef PERL_MSVCRT_READFIX
return _fixed_read(fd, buf, cnt);
#else
return read(fd, buf, cnt);
#endif
}
DllExport int
win32_write(int fd, const void *buf, unsigned int cnt)
{
return write(fd, buf, cnt);
}
DllExport int
win32_mkdir(const char *dir, int mode)
{
dTHX;
if (USING_WIDE()) {
WCHAR wBuffer[MAX_PATH+1];
A2WHELPER(dir, wBuffer, sizeof(wBuffer));
return _wmkdir(PerlDir_mapW(wBuffer));
}
return mkdir(PerlDir_mapA(dir)); /* just ignore mode */
}
DllExport int
win32_rmdir(const char *dir)
{
dTHX;
if (USING_WIDE()) {
WCHAR wBuffer[MAX_PATH+1];
A2WHELPER(dir, wBuffer, sizeof(wBuffer));
return _wrmdir(PerlDir_mapW(wBuffer));
}
return rmdir(PerlDir_mapA(dir));
}
DllExport int
win32_chdir(const char *dir)
{
dTHX;
if (!dir) {
errno = ENOENT;
return -1;
}
if (USING_WIDE()) {
WCHAR wBuffer[MAX_PATH+1];
A2WHELPER(dir, wBuffer, sizeof(wBuffer));
return _wchdir(wBuffer);
}
return chdir(dir);
}
DllExport int
win32_access(const char *path, int mode)
{
dTHX;
if (USING_WIDE()) {
WCHAR wBuffer[MAX_PATH+1];
A2WHELPER(path, wBuffer, sizeof(wBuffer));
return _waccess(PerlDir_mapW(wBuffer), mode);
}
return access(PerlDir_mapA(path), mode);
}
DllExport int
win32_chmod(const char *path, int mode)
{
dTHX;
if (USING_WIDE()) {
WCHAR wBuffer[MAX_PATH+1];
A2WHELPER(path, wBuffer, sizeof(wBuffer));
return _wchmod(PerlDir_mapW(wBuffer), mode);
}
return chmod(PerlDir_mapA(path), mode);
}
static char *
create_command_line(char *cname, STRLEN clen, const char * const *args)
{
dTHX;
int index, argc;
char *cmd, *ptr;
const char *arg;
STRLEN len = 0;
bool bat_file = FALSE;
bool cmd_shell = FALSE;
bool dumb_shell = FALSE;
bool extra_quotes = FALSE;
bool quote_next = FALSE;
if (!cname)
cname = (char*)args[0];
/* The NT cmd.exe shell has the following peculiarity that needs to be
* worked around. It strips a leading and trailing dquote when any
* of the following is true:
* 1. the /S switch was used
* 2. there are more than two dquotes
* 3. there is a special character from this set: &<>()@^|
* 4. no whitespace characters within the two dquotes
* 5. string between two dquotes isn't an executable file
* To work around this, we always add a leading and trailing dquote
* to the string, if the first argument is either "cmd.exe" or "cmd",
* and there were at least two or more arguments passed to cmd.exe
* (not including switches).
* XXX the above rules (from "cmd /?") don't seem to be applied
* always, making for the convolutions below :-(
*/
if (cname) {
if (!clen)
clen = strlen(cname);
if (clen > 4
&& (stricmp(&cname[clen-4], ".bat") == 0
|| (IsWinNT() && stricmp(&cname[clen-4], ".cmd") == 0)))
{
bat_file = TRUE;
len += 3;
}
else {
char *exe = strrchr(cname, '/');
char *exe2 = strrchr(cname, '\\');
if (exe2 > exe)
exe = exe2;
if (exe)
++exe;
else
exe = cname;
if (stricmp(exe, "cmd.exe") == 0 || stricmp(exe, "cmd") == 0) {
cmd_shell = TRUE;
len += 3;
}
else if (stricmp(exe, "command.com") == 0
|| stricmp(exe, "command") == 0)
{
dumb_shell = TRUE;
}
}
}
DEBUG_p(PerlIO_printf(Perl_debug_log, "Args "));
for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
STRLEN curlen = strlen(arg);
if (!(arg[0] == '"' && arg[curlen-1] == '"'))
len += 2; /* assume quoting needed (worst case) */
len += curlen + 1;
DEBUG_p(PerlIO_printf(Perl_debug_log, "[%s]",arg));
}
DEBUG_p(PerlIO_printf(Perl_debug_log, "\n"));
argc = index;
New(1310, cmd, len, char);
ptr = cmd;
if (bat_file) {
*ptr++ = '"';
extra_quotes = TRUE;
}
for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
bool do_quote = 0;
STRLEN curlen = strlen(arg);
/* we want to protect empty arguments and ones with spaces with
* dquotes, but only if they aren't already there */
if (!dumb_shell) {
if (!curlen) {
do_quote = 1;
}
else if (quote_next) {
/* see if it really is multiple arguments pretending to
* be one and force a set of quotes around it */
if (*find_next_space(arg))
do_quote = 1;
}
else if (!(arg[0] == '"' && curlen > 1 && arg[curlen-1] == '"')) {
STRLEN i = 0;
while (i < curlen) {
if (isSPACE(arg[i])) {
do_quote = 1;
}
else if (arg[i] == '"') {
do_quote = 0;
break;
}
i++;
}
}
}
if (do_quote)
*ptr++ = '"';
strcpy(ptr, arg);
ptr += curlen;
if (do_quote)
*ptr++ = '"';
if (args[index+1])
*ptr++ = ' ';
if (!extra_quotes
&& cmd_shell
&& (stricmp(arg, "/x/c") == 0 || stricmp(arg, "/c") == 0))
{
/* is there a next argument? */
if (args[index+1]) {
/* are there two or more next arguments? */
if (args[index+2]) {
*ptr++ = '"';
extra_quotes = TRUE;
}
else {
/* single argument, force quoting if it has spaces */
quote_next = TRUE;
}
}
}
}
if (extra_quotes)
*ptr++ = '"';
*ptr = '\0';
return cmd;
}
static char *
qualified_path(const char *cmd)
{
dTHX;
char *pathstr;
char *fullcmd, *curfullcmd;
STRLEN cmdlen = 0;
int has_slash = 0;
if (!cmd)
return Nullch;
fullcmd = (char*)cmd;
while (*fullcmd) {
if (*fullcmd == '/' || *fullcmd == '\\')
has_slash++;
fullcmd++;
cmdlen++;
}
/* look in PATH */
pathstr = PerlEnv_getenv("PATH");
New(0, fullcmd, MAX_PATH+1, char);
curfullcmd = fullcmd;
while (1) {
DWORD res;
/* start by appending the name to the current prefix */
strcpy(curfullcmd, cmd);
curfullcmd += cmdlen;
/* if it doesn't end with '.', or has no extension, try adding
* a trailing .exe first */
if (cmd[cmdlen-1] != '.'
&& (cmdlen < 4 || cmd[cmdlen-4] != '.'))
{
strcpy(curfullcmd, ".exe");
res = GetFileAttributes(fullcmd);
if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY))
return fullcmd;
*curfullcmd = '\0';
}
/* that failed, try the bare name */
res = GetFileAttributes(fullcmd);
if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY))
return fullcmd;
/* quit if no other path exists, or if cmd already has path */
if (!pathstr || !*pathstr || has_slash)
break;
/* skip leading semis */
while (*pathstr == ';')
pathstr++;
/* build a new prefix from scratch */
curfullcmd = fullcmd;
while (*pathstr && *pathstr != ';') {
if (*pathstr == '"') { /* foo;"baz;etc";bar */
pathstr++; /* skip initial '"' */
while (*pathstr && *pathstr != '"') {
if ((STRLEN)(curfullcmd-fullcmd) < MAX_PATH-cmdlen-5)
*curfullcmd++ = *pathstr;
pathstr++;
}
if (*pathstr)
pathstr++; /* skip trailing '"' */
}
else {
if ((STRLEN)(curfullcmd-fullcmd) < MAX_PATH-cmdlen-5)
*curfullcmd++ = *pathstr;
pathstr++;
}
}
if (*pathstr)
pathstr++; /* skip trailing semi */
if (curfullcmd > fullcmd /* append a dir separator */
&& curfullcmd[-1] != '/' && curfullcmd[-1] != '\\')
{
*curfullcmd++ = '\\';
}
}
Safefree(fullcmd);
return Nullch;
}
/* The following are just place holders.
* Some hosts may provide and environment that the OS is
* not tracking, therefore, these host must provide that
* environment and the current directory to CreateProcess
*/
DllExport void*
win32_get_childenv(void)
{
return NULL;
}
DllExport void
win32_free_childenv(void* d)
{
}
DllExport void
win32_clearenv(void)
{
char *envv = GetEnvironmentStrings();
char *cur = envv;
STRLEN len;
while (*cur) {
char *end = strchr(cur,'=');
if (end && end != cur) {
*end = '\0';
SetEnvironmentVariable(cur, NULL);
*end = '=';
cur = end + strlen(end+1)+2;
}
else if ((len = strlen(cur)))
cur += len+1;
}
FreeEnvironmentStrings(envv);
}
DllExport char*
win32_get_childdir(void)
{
dTHX;
char* ptr;
char szfilename[(MAX_PATH+1)*2];
if (USING_WIDE()) {
WCHAR wfilename[MAX_PATH+1];
GetCurrentDirectoryW(MAX_PATH+1, wfilename);
W2AHELPER(wfilename, szfilename, sizeof(szfilename));
}
else {
GetCurrentDirectoryA(MAX_PATH+1, szfilename);
}
New(0, ptr, strlen(szfilename)+1, char);
strcpy(ptr, szfilename);
return ptr;
}
DllExport void
win32_free_childdir(char* d)
{
dTHX;
Safefree(d);
}
/* XXX this needs to be made more compatible with the spawnvp()
* provided by the various RTLs. In particular, searching for
* *.{com,bat,cmd} files (as done by the RTLs) is unimplemented.
* This doesn't significantly affect perl itself, because we
* always invoke things using PERL5SHELL if a direct attempt to
* spawn the executable fails.
*
* XXX splitting and rejoining the commandline between do_aspawn()
* and win32_spawnvp() could also be avoided.
*/
DllExport int
win32_spawnvp(int mode, const char *cmdname, const char *const *argv)
{
#ifdef USE_RTL_SPAWNVP
return spawnvp(mode, cmdname, (char * const *)argv);
#else
dTHX;
int ret;
void* env;
char* dir;
child_IO_table tbl;
STARTUPINFO StartupInfo;
PROCESS_INFORMATION ProcessInformation;
DWORD create = 0;
char *cmd;
char *fullcmd = Nullch;
char *cname = (char *)cmdname;
STRLEN clen = 0;
if (cname) {
clen = strlen(cname);
/* if command name contains dquotes, must remove them */
if (strchr(cname, '"')) {
cmd = cname;
New(0,cname,clen+1,char);
clen = 0;
while (*cmd) {
if (*cmd != '"') {
cname[clen] = *cmd;
++clen;
}
++cmd;
}
cname[clen] = '\0';
}
}
cmd = create_command_line(cname, clen, argv);
env = PerlEnv_get_childenv();
dir = PerlEnv_get_childdir();
switch(mode) {
case P_NOWAIT: /* asynch + remember result */
if (w32_num_children >= MAXIMUM_WAIT_OBJECTS) {
errno = EAGAIN;
ret = -1;
goto RETVAL;
}
/* Create a new process group so we can use GenerateConsoleCtrlEvent()
* in win32_kill()
*/
create |= CREATE_NEW_PROCESS_GROUP;
/* FALL THROUGH */
case P_WAIT: /* synchronous execution */
break;
default: /* invalid mode */
errno = EINVAL;
ret = -1;
goto RETVAL;
}
memset(&StartupInfo,0,sizeof(StartupInfo));
StartupInfo.cb = sizeof(StartupInfo);
memset(&tbl,0,sizeof(tbl));
PerlEnv_get_child_IO(&tbl);
StartupInfo.dwFlags = tbl.dwFlags;
StartupInfo.dwX = tbl.dwX;
StartupInfo.dwY = tbl.dwY;
StartupInfo.dwXSize = tbl.dwXSize;
StartupInfo.dwYSize = tbl.dwYSize;
StartupInfo.dwXCountChars = tbl.dwXCountChars;
StartupInfo.dwYCountChars = tbl.dwYCountChars;
StartupInfo.dwFillAttribute = tbl.dwFillAttribute;
StartupInfo.wShowWindow = tbl.wShowWindow;
StartupInfo.hStdInput = tbl.childStdIn;
StartupInfo.hStdOutput = tbl.childStdOut;
StartupInfo.hStdError = tbl.childStdErr;
if (StartupInfo.hStdInput == INVALID_HANDLE_VALUE &&
StartupInfo.hStdOutput == INVALID_HANDLE_VALUE &&
StartupInfo.hStdError == INVALID_HANDLE_VALUE)
{
create |= CREATE_NEW_CONSOLE;
}
else {
StartupInfo.dwFlags |= STARTF_USESTDHANDLES;
}
if (w32_use_showwindow) {
StartupInfo.dwFlags |= STARTF_USESHOWWINDOW;
StartupInfo.wShowWindow = w32_showwindow;
}
DEBUG_p(PerlIO_printf(Perl_debug_log, "Spawning [%s] with [%s]\n",
cname,cmd));
RETRY:
if (!CreateProcess(cname, /* search PATH to find executable */
cmd, /* executable, and its arguments */
NULL, /* process attributes */
NULL, /* thread attributes */
TRUE, /* inherit handles */
create, /* creation flags */
(LPVOID)env, /* inherit environment */
dir, /* inherit cwd */
&StartupInfo,
&ProcessInformation))
{
/* initial NULL argument to CreateProcess() does a PATH
* search, but it always first looks in the directory
* where the current process was started, which behavior
* is undesirable for backward compatibility. So we
* jump through our own hoops by picking out the path
* we really want it to use. */
if (!fullcmd) {
fullcmd = qualified_path(cname);
if (fullcmd) {
if (cname != cmdname)
Safefree(cname);
cname = fullcmd;
DEBUG_p(PerlIO_printf(Perl_debug_log,
"Retrying [%s] with same args\n",
cname));
goto RETRY;
}
}
errno = ENOENT;
ret = -1;
goto RETVAL;
}
if (mode == P_NOWAIT) {
/* asynchronous spawn -- store handle, return PID */
ret = (int)ProcessInformation.dwProcessId;
if (IsWin95() && ret < 0)
ret = -ret;
w32_child_handles[w32_num_children] = ProcessInformation.hProcess;
w32_child_pids[w32_num_children] = (DWORD)ret;
++w32_num_children;
}
else {
DWORD status;
win32_msgwait(aTHX_ 1, &ProcessInformation.hProcess, INFINITE, NULL);
/* FIXME: if msgwait returned due to message perhaps forward the
"signal" to the process
*/
GetExitCodeProcess(ProcessInformation.hProcess, &status);
ret = (int)status;
CloseHandle(ProcessInformation.hProcess);
}
CloseHandle(ProcessInformation.hThread);
RETVAL:
PerlEnv_free_childenv(env);
PerlEnv_free_childdir(dir);
Safefree(cmd);
if (cname != cmdname)
Safefree(cname);
return ret;
#endif
}
DllExport int
win32_execv(const char *cmdname, const char *const *argv)
{
#ifdef USE_ITHREADS
dTHX;
/* if this is a pseudo-forked child, we just want to spawn
* the new program, and return */
if (w32_pseudo_id)
return spawnv(P_WAIT, cmdname, (char *const *)argv);
#endif
return execv(cmdname, (char *const *)argv);
}
DllExport int
win32_execvp(const char *cmdname, const char *const *argv)
{
#ifdef USE_ITHREADS
dTHX;
/* if this is a pseudo-forked child, we just want to spawn
* the new program, and return */
if (w32_pseudo_id) {
int status = win32_spawnvp(P_WAIT, cmdname, (char *const *)argv);
if (status != -1) {
my_exit(status);
return 0;
}
else
return status;
}
#endif
return execvp(cmdname, (char *const *)argv);
}
DllExport void
win32_perror(const char *str)
{
perror(str);
}
DllExport void
win32_setbuf(FILE *pf, char *buf)
{
setbuf(pf, buf);
}
DllExport int
win32_setvbuf(FILE *pf, char *buf, int type, size_t size)
{
return setvbuf(pf, buf, type, size);
}
DllExport int
win32_flushall(void)
{
return flushall();
}
DllExport int
win32_fcloseall(void)
{
return fcloseall();
}
DllExport char*
win32_fgets(char *s, int n, FILE *pf)
{
return fgets(s, n, pf);
}
DllExport char*
win32_gets(char *s)
{
return gets(s);
}
DllExport int
win32_fgetc(FILE *pf)
{
return fgetc(pf);
}
DllExport int
win32_putc(int c, FILE *pf)
{
return putc(c,pf);
}
DllExport int
win32_puts(const char *s)
{
return puts(s);
}
DllExport int
win32_getchar(void)
{
return getchar();
}
DllExport int
win32_putchar(int c)
{
return putchar(c);
}
#ifdef MYMALLOC
#ifndef USE_PERL_SBRK
static char *committed = NULL; /* XXX threadead */
static char *base = NULL; /* XXX threadead */
static char *reserved = NULL; /* XXX threadead */
static char *brk = NULL; /* XXX threadead */
static DWORD pagesize = 0; /* XXX threadead */
static DWORD allocsize = 0; /* XXX threadead */
void *
sbrk(ptrdiff_t need)
{
void *result;
if (!pagesize)
{SYSTEM_INFO info;
GetSystemInfo(&info);
/* Pretend page size is larger so we don't perpetually
* call the OS to commit just one page ...
*/
pagesize = info.dwPageSize << 3;
allocsize = info.dwAllocationGranularity;
}
/* This scheme fails eventually if request for contiguous
* block is denied so reserve big blocks - this is only
* address space not memory ...
*/
if (brk+need >= reserved)
{
DWORD size = 64*1024*1024;
char *addr;
if (committed && reserved && committed < reserved)
{
/* Commit last of previous chunk cannot span allocations */
addr = (char *) VirtualAlloc(committed,reserved-committed,MEM_COMMIT,PAGE_READWRITE);
if (addr)
committed = reserved;
}
/* Reserve some (more) space
* Note this is a little sneaky, 1st call passes NULL as reserved
* so lets system choose where we start, subsequent calls pass
* the old end address so ask for a contiguous block
*/
addr = (char *) VirtualAlloc(reserved,size,MEM_RESERVE,PAGE_NOACCESS);
if (addr)
{
reserved = addr+size;
if (!base)
base = addr;
if (!committed)
committed = base;
if (!brk)
brk = committed;
}
else
{
return (void *) -1;
}
}
result = brk;
brk += need;
if (brk > committed)
{
DWORD size = ((brk-committed + pagesize -1)/pagesize) * pagesize;
char *addr = (char *) VirtualAlloc(committed,size,MEM_COMMIT,PAGE_READWRITE);
if (addr)
{
committed += size;
}
else
return (void *) -1;
}
return result;
}
#endif
#endif
DllExport void*
win32_malloc(size_t size)
{
return malloc(size);
}
DllExport void*
win32_calloc(size_t numitems, size_t size)
{
return calloc(numitems,size);
}
DllExport void*
win32_realloc(void *block, size_t size)
{
return realloc(block,size);
}
DllExport void
win32_free(void *block)
{
free(block);
}
DllExport int
win32_open_osfhandle(intptr_t handle, int flags)
{
#ifdef USE_FIXED_OSFHANDLE
if (IsWin95())
return my_open_osfhandle(handle, flags);
#endif
return _open_osfhandle(handle, flags);
}
DllExport intptr_t
win32_get_osfhandle(int fd)
{
return (intptr_t)_get_osfhandle(fd);
}
DllExport FILE *
win32_fdupopen(FILE *pf)
{
FILE* pfdup;
fpos_t pos;
char mode[3];
int fileno = win32_dup(win32_fileno(pf));
/* open the file in the same mode */
#ifdef __BORLANDC__
if((pf)->flags & _F_READ) {
mode[0] = 'r';
mode[1] = 0;
}
else if((pf)->flags & _F_WRIT) {
mode[0] = 'a';
mode[1] = 0;
}
else if((pf)->flags & _F_RDWR) {
mode[0] = 'r';
mode[1] = '+';
mode[2] = 0;
}
#else
if((pf)->_flag & _IOREAD) {
mode[0] = 'r';
mode[1] = 0;
}
else if((pf)->_flag & _IOWRT) {
mode[0] = 'a';
mode[1] = 0;
}
else if((pf)->_flag & _IORW) {
mode[0] = 'r';
mode[1] = '+';
mode[2] = 0;
}
#endif
/* it appears that the binmode is attached to the
* file descriptor so binmode files will be handled
* correctly
*/
pfdup = win32_fdopen(fileno, mode);
/* move the file pointer to the same position */
if (!fgetpos(pf, &pos)) {
fsetpos(pfdup, &pos);
}
return pfdup;
}
DllExport void*
win32_dynaload(const char* filename)
{
dTHX;
HMODULE hModule;
char buf[MAX_PATH+1];
char *first;
/* LoadLibrary() doesn't recognize forward slashes correctly,
* so turn 'em back. */
first = strchr(filename, '/');
if (first) {
STRLEN len = strlen(filename);
if (len <= MAX_PATH) {
strcpy(buf, filename);
filename = &buf[first - filename];
while (*filename) {
if (*filename == '/')
*(char*)filename = '\\';
++filename;
}
filename = buf;
}
}
if (USING_WIDE()) {
WCHAR wfilename[MAX_PATH+1];
A2WHELPER(filename, wfilename, sizeof(wfilename));
hModule = LoadLibraryExW(PerlDir_mapW(wfilename), NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
}
else {
hModule = LoadLibraryExA(PerlDir_mapA(filename), NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
}
return hModule;
}
/*
* Extras.
*/
static
XS(w32_SetChildShowWindow)
{
dXSARGS;
BOOL use_showwindow = w32_use_showwindow;
/* use "unsigned short" because Perl has redefined "WORD" */
unsigned short showwindow = w32_showwindow;
if (items > 1)
Perl_croak(aTHX_ "usage: Win32::SetChildShowWindow($showwindow)");
if (items == 0 || !SvOK(ST(0)))
w32_use_showwindow = FALSE;
else {
w32_use_showwindow = TRUE;
w32_showwindow = (unsigned short)SvIV(ST(0));
}
EXTEND(SP, 1);
if (use_showwindow)
ST(0) = sv_2mortal(newSViv(showwindow));
else
ST(0) = &PL_sv_undef;
XSRETURN(1);
}
static
XS(w32_GetCwd)
{
dXSARGS;
/* Make the host for current directory */
char* ptr = PerlEnv_get_childdir();
/*
* If ptr != Nullch
* then it worked, set PV valid,
* else return 'undef'
*/
if (ptr) {
SV *sv = sv_newmortal();
sv_setpv(sv, ptr);
PerlEnv_free_childdir(ptr);
#ifndef INCOMPLETE_TAINTS
SvTAINTED_on(sv);
#endif
EXTEND(SP,1);
SvPOK_on(sv);
ST(0) = sv;
XSRETURN(1);
}
XSRETURN_UNDEF;
}
static
XS(w32_SetCwd)
{
dXSARGS;
if (items != 1)
Perl_croak(aTHX_ "usage: Win32::SetCurrentDirectory($cwd)");
if (!PerlDir_chdir(SvPV_nolen(ST(0))))
XSRETURN_YES;
XSRETURN_NO;
}
static
XS(w32_GetNextAvailDrive)
{
dXSARGS;
char ix = 'C';
char root[] = "_:\\";
EXTEND(SP,1);
while (ix <= 'Z') {
root[0] = ix++;
if (GetDriveType(root) == 1) {
root[2] = '\0';
XSRETURN_PV(root);
}
}
XSRETURN_UNDEF;
}
static
XS(w32_GetLastError)
{
dXSARGS;
EXTEND(SP,1);
XSRETURN_IV(GetLastError());
}
static
XS(w32_SetLastError)
{
dXSARGS;
if (items != 1)
Perl_croak(aTHX_ "usage: Win32::SetLastError($error)");
SetLastError(SvIV(ST(0)));
XSRETURN_EMPTY;
}
static
XS(w32_LoginName)
{
dXSARGS;
char *name = w32_getlogin_buffer;
DWORD size = sizeof(w32_getlogin_buffer);
EXTEND(SP,1);
if (GetUserName(name,&size)) {
/* size includes NULL */
ST(0) = sv_2mortal(newSVpvn(name,size-1));
XSRETURN(1);
}
XSRETURN_UNDEF;
}
static
XS(w32_NodeName)
{
dXSARGS;
char name[MAX_COMPUTERNAME_LENGTH+1];
DWORD size = sizeof(name);
EXTEND(SP,1);
if (GetComputerName(name,&size)) {
/* size does NOT include NULL :-( */
ST(0) = sv_2mortal(newSVpvn(name,size));
XSRETURN(1);
}
XSRETURN_UNDEF;
}
static
XS(w32_DomainName)
{
dXSARGS;
HINSTANCE hNetApi32 = LoadLibrary("netapi32.dll");
DWORD (__stdcall *pfnNetApiBufferFree)(LPVOID Buffer);
DWORD (__stdcall *pfnNetWkstaGetInfo)(LPWSTR servername, DWORD level,
void *bufptr);
if (hNetApi32) {
pfnNetApiBufferFree = (DWORD (__stdcall *)(void *))
GetProcAddress(hNetApi32, "NetApiBufferFree");
pfnNetWkstaGetInfo = (DWORD (__stdcall *)(LPWSTR, DWORD, void *))
GetProcAddress(hNetApi32, "NetWkstaGetInfo");
}
EXTEND(SP,1);
if (hNetApi32 && pfnNetWkstaGetInfo && pfnNetApiBufferFree) {
/* this way is more reliable, in case user has a local account. */
char dname[256];
DWORD dnamelen = sizeof(dname);
struct {
DWORD wki100_platform_id;
LPWSTR wki100_computername;
LPWSTR wki100_langroup;
DWORD wki100_ver_major;
DWORD wki100_ver_minor;
} *pwi;
/* NERR_Success *is* 0*/
if (0 == pfnNetWkstaGetInfo(NULL, 100, &pwi)) {
if (pwi->wki100_langroup && *(pwi->wki100_langroup)) {
WideCharToMultiByte(CP_ACP, NULL, pwi->wki100_langroup,
-1, (LPSTR)dname, dnamelen, NULL, NULL);
}
else {
WideCharToMultiByte(CP_ACP, NULL, pwi->wki100_computername,
-1, (LPSTR)dname, dnamelen, NULL, NULL);
}
pfnNetApiBufferFree(pwi);
FreeLibrary(hNetApi32);
XSRETURN_PV(dname);
}
FreeLibrary(hNetApi32);
}
else {
/* Win95 doesn't have NetWksta*(), so do it the old way */
char name[256];
DWORD size = sizeof(name);
if (hNetApi32)
FreeLibrary(hNetApi32);
if (GetUserName(name,&size)) {
char sid[ONE_K_BUFSIZE];
DWORD sidlen = sizeof(sid);
char dname[256];
DWORD dnamelen = sizeof(dname);
SID_NAME_USE snu;
if (LookupAccountName(NULL, name, (PSID)&sid, &sidlen,
dname, &dnamelen, &snu)) {
XSRETURN_PV(dname); /* all that for this */
}
}
}
XSRETURN_UNDEF;
}
static
XS(w32_FsType)
{
dXSARGS;
char fsname[256];
DWORD flags, filecomplen;
if (GetVolumeInformation(NULL, NULL, 0, NULL, &filecomplen,
&flags, fsname, sizeof(fsname))) {
if (GIMME_V == G_ARRAY) {
XPUSHs(sv_2mortal(newSVpvn(fsname,strlen(fsname))));
XPUSHs(sv_2mortal(newSViv(flags)));
XPUSHs(sv_2mortal(newSViv(filecomplen)));
PUTBACK;
return;
}
EXTEND(SP,1);
XSRETURN_PV(fsname);
}
XSRETURN_EMPTY;
}
static
XS(w32_GetOSVersion)
{
dXSARGS;
OSVERSIONINFOA osver;
if (USING_WIDE()) {
OSVERSIONINFOW osverw;
char szCSDVersion[sizeof(osverw.szCSDVersion)];
osverw.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
if (!GetVersionExW(&osverw)) {
XSRETURN_EMPTY;
}
W2AHELPER(osverw.szCSDVersion, szCSDVersion, sizeof(szCSDVersion));
XPUSHs(newSVpvn(szCSDVersion, strlen(szCSDVersion)));
osver.dwMajorVersion = osverw.dwMajorVersion;
osver.dwMinorVersion = osverw.dwMinorVersion;
osver.dwBuildNumber = osverw.dwBuildNumber;
osver.dwPlatformId = osverw.dwPlatformId;
}
else {
osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
if (!GetVersionExA(&osver)) {
XSRETURN_EMPTY;
}
XPUSHs(newSVpvn(osver.szCSDVersion, strlen(osver.szCSDVersion)));
}
XPUSHs(newSViv(osver.dwMajorVersion));
XPUSHs(newSViv(osver.dwMinorVersion));
XPUSHs(newSViv(osver.dwBuildNumber));
XPUSHs(newSViv(osver.dwPlatformId));
PUTBACK;
}
static
XS(w32_IsWinNT)
{
dXSARGS;
EXTEND(SP,1);
XSRETURN_IV(IsWinNT());
}
static
XS(w32_IsWin95)
{
dXSARGS;
EXTEND(SP,1);
XSRETURN_IV(IsWin95());
}
static
XS(w32_FormatMessage)
{
dXSARGS;
DWORD source = 0;
char msgbuf[ONE_K_BUFSIZE];
if (items != 1)
Perl_croak(aTHX_ "usage: Win32::FormatMessage($errno)");
if (USING_WIDE()) {
WCHAR wmsgbuf[ONE_K_BUFSIZE];
if (FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM,
&source, SvIV(ST(0)), 0,
wmsgbuf, ONE_K_BUFSIZE-1, NULL))
{
W2AHELPER(wmsgbuf, msgbuf, sizeof(msgbuf));
XSRETURN_PV(msgbuf);
}
}
else {
if (FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM,
&source, SvIV(ST(0)), 0,
msgbuf, sizeof(msgbuf)-1, NULL))
XSRETURN_PV(msgbuf);
}
XSRETURN_UNDEF;
}
static
XS(w32_Spawn)
{
dXSARGS;
char *cmd, *args;
void *env;
char *dir;
PROCESS_INFORMATION stProcInfo;
STARTUPINFO stStartInfo;
BOOL bSuccess = FALSE;
if (items != 3)
Perl_croak(aTHX_ "usage: Win32::Spawn($cmdName, $args, $PID)");
cmd = SvPV_nolen(ST(0));
args = SvPV_nolen(ST(1));
env = PerlEnv_get_childenv();
dir = PerlEnv_get_childdir();
memset(&stStartInfo, 0, sizeof(stStartInfo)); /* Clear the block */
stStartInfo.cb = sizeof(stStartInfo); /* Set the structure size */
stStartInfo.dwFlags = STARTF_USESHOWWINDOW; /* Enable wShowWindow control */
stStartInfo.wShowWindow = SW_SHOWMINNOACTIVE; /* Start min (normal) */
if (CreateProcess(
cmd, /* Image path */
args, /* Arguments for command line */
NULL, /* Default process security */
NULL, /* Default thread security */
FALSE, /* Must be TRUE to use std handles */
NORMAL_PRIORITY_CLASS, /* No special scheduling */
env, /* Inherit our environment block */
dir, /* Inherit our currrent directory */
&stStartInfo, /* -> Startup info */
&stProcInfo)) /* <- Process info (if OK) */
{
int pid = (int)stProcInfo.dwProcessId;
if (IsWin95() && pid < 0)
pid = -pid;
sv_setiv(ST(2), pid);
CloseHandle(stProcInfo.hThread);/* library source code does this. */
bSuccess = TRUE;
}
PerlEnv_free_childenv(env);
PerlEnv_free_childdir(dir);
XSRETURN_IV(bSuccess);
}
static
XS(w32_GetTickCount)
{
dXSARGS;
DWORD msec = GetTickCount();
EXTEND(SP,1);
if ((IV)msec > 0)
XSRETURN_IV(msec);
XSRETURN_NV(msec);
}
static
XS(w32_GetShortPathName)
{
dXSARGS;
SV *shortpath;
DWORD len;
if (items != 1)
Perl_croak(aTHX_ "usage: Win32::GetShortPathName($longPathName)");
shortpath = sv_mortalcopy(ST(0));
SvUPGRADE(shortpath, SVt_PV);
if (!SvPVX(shortpath) || !SvLEN(shortpath))
XSRETURN_UNDEF;
/* src == target is allowed */
do {
len = GetShortPathName(SvPVX(shortpath),
SvPVX(shortpath),
SvLEN(shortpath));
} while (len >= SvLEN(shortpath) && sv_grow(shortpath,len+1));
if (len) {
SvCUR_set(shortpath,len);
ST(0) = shortpath;
XSRETURN(1);
}
XSRETURN_UNDEF;
}
static
XS(w32_GetFullPathName)
{
dXSARGS;
SV *filename;
SV *fullpath;
char *filepart;
DWORD len;
if (items != 1)
Perl_croak(aTHX_ "usage: Win32::GetFullPathName($filename)");
filename = ST(0);
fullpath = sv_mortalcopy(filename);
SvUPGRADE(fullpath, SVt_PV);
if (!SvPVX(fullpath) || !SvLEN(fullpath))
XSRETURN_UNDEF;
do {
len = GetFullPathName(SvPVX(filename),
SvLEN(fullpath),
SvPVX(fullpath),
&filepart);
} while (len >= SvLEN(fullpath) && sv_grow(fullpath,len+1));
if (len) {
if (GIMME_V == G_ARRAY) {
EXTEND(SP,1);
XST_mPV(1,filepart);
len = filepart - SvPVX(fullpath);
items = 2;
}
SvCUR_set(fullpath,len);
ST(0) = fullpath;
XSRETURN(items);
}
XSRETURN_EMPTY;
}
static
XS(w32_GetLongPathName)
{
dXSARGS;
SV *path;
char tmpbuf[MAX_PATH+1];
char *pathstr;
STRLEN len;
if (items != 1)
Perl_croak(aTHX_ "usage: Win32::GetLongPathName($pathname)");
path = ST(0);
pathstr = SvPV(path,len);
strcpy(tmpbuf, pathstr);
pathstr = win32_longpath(tmpbuf);
if (pathstr) {
ST(0) = sv_2mortal(newSVpvn(pathstr, strlen(pathstr)));
XSRETURN(1);
}
XSRETURN_EMPTY;
}
static
XS(w32_Sleep)
{
dXSARGS;
if (items != 1)
Perl_croak(aTHX_ "usage: Win32::Sleep($milliseconds)");
Sleep(SvIV(ST(0)));
XSRETURN_YES;
}
static
XS(w32_CopyFile)
{
dXSARGS;
BOOL bResult;
if (items != 3)
Perl_croak(aTHX_ "usage: Win32::CopyFile($from, $to, $overwrite)");
if (USING_WIDE()) {
WCHAR wSourceFile[MAX_PATH+1];
WCHAR wDestFile[MAX_PATH+1];
A2WHELPER(SvPV_nolen(ST(0)), wSourceFile, sizeof(wSourceFile));
wcscpy(wSourceFile, PerlDir_mapW(wSourceFile));
A2WHELPER(SvPV_nolen(ST(1)), wDestFile, sizeof(wDestFile));
bResult = CopyFileW(wSourceFile, PerlDir_mapW(wDestFile), !SvTRUE(ST(2)));
}
else {
char szSourceFile[MAX_PATH+1];
strcpy(szSourceFile, PerlDir_mapA(SvPV_nolen(ST(0))));
bResult = CopyFileA(szSourceFile, PerlDir_mapA(SvPV_nolen(ST(1))), !SvTRUE(ST(2)));
}
if (bResult)
XSRETURN_YES;
XSRETURN_NO;
}
void
Perl_init_os_extras(void)
{
dTHX;
char *file = __FILE__;
dXSUB_SYS;
/* these names are Activeware compatible */
newXS("Win32::GetCwd", w32_GetCwd, file);
newXS("Win32::SetCwd", w32_SetCwd, file);
newXS("Win32::GetNextAvailDrive", w32_GetNextAvailDrive, file);
newXS("Win32::GetLastError", w32_GetLastError, file);
newXS("Win32::SetLastError", w32_SetLastError, file);
newXS("Win32::LoginName", w32_LoginName, file);
newXS("Win32::NodeName", w32_NodeName, file);
newXS("Win32::DomainName", w32_DomainName, file);
newXS("Win32::FsType", w32_FsType, file);
newXS("Win32::GetOSVersion", w32_GetOSVersion, file);
newXS("Win32::IsWinNT", w32_IsWinNT, file);
newXS("Win32::IsWin95", w32_IsWin95, file);
newXS("Win32::FormatMessage", w32_FormatMessage, file);
newXS("Win32::Spawn", w32_Spawn, file);
newXS("Win32::GetTickCount", w32_GetTickCount, file);
newXS("Win32::GetShortPathName", w32_GetShortPathName, file);
newXS("Win32::GetFullPathName", w32_GetFullPathName, file);
newXS("Win32::GetLongPathName", w32_GetLongPathName, file);
newXS("Win32::CopyFile", w32_CopyFile, file);
newXS("Win32::Sleep", w32_Sleep, file);
newXS("Win32::SetChildShowWindow", w32_SetChildShowWindow, file);
/* XXX Bloat Alert! The following Activeware preloads really
* ought to be part of Win32::Sys::*, so they're not included
* here.
*/
/* LookupAccountName
* LookupAccountSID
* InitiateSystemShutdown
* AbortSystemShutdown
* ExpandEnvrironmentStrings
*/
}
void *
win32_signal_context(void)
{
dTHX;
#ifdef MULTIPLICITY
if (!my_perl) {
my_perl = PL_curinterp;
PERL_SET_THX(my_perl);
}
return my_perl;
#else
#ifdef USE_5005THREADS
return aTHX;
#else
return PL_curinterp;
#endif
#endif
}
BOOL WINAPI
win32_ctrlhandler(DWORD dwCtrlType)
{
#ifdef MULTIPLICITY
dTHXa(PERL_GET_SIG_CONTEXT);
if (!my_perl)
return FALSE;
#else
#ifdef USE_5005THREADS
dTHX;
#endif
#endif
switch(dwCtrlType) {
case CTRL_CLOSE_EVENT:
/* A signal that the system sends to all processes attached to a console when
the user closes the console (either by choosing the Close command from the
console window's System menu, or by choosing the End Task command from the
Task List
*/
if (do_raise(aTHX_ 1)) /* SIGHUP */
sig_terminate(aTHX_ 1);
return TRUE;
case CTRL_C_EVENT:
/* A CTRL+c signal was received */
if (do_raise(aTHX_ SIGINT))
sig_terminate(aTHX_ SIGINT);
return TRUE;
case CTRL_BREAK_EVENT:
/* A CTRL+BREAK signal was received */
if (do_raise(aTHX_ SIGBREAK))
sig_terminate(aTHX_ SIGBREAK);
return TRUE;
case CTRL_LOGOFF_EVENT:
/* A signal that the system sends to all console processes when a user is logging
off. This signal does not indicate which user is logging off, so no
assumptions can be made.
*/
break;
case CTRL_SHUTDOWN_EVENT:
/* A signal that the system sends to all console processes when the system is
shutting down.
*/
if (do_raise(aTHX_ SIGTERM))
sig_terminate(aTHX_ SIGTERM);
return TRUE;
default:
break;
}
return FALSE;
}
void
Perl_win32_init(int *argcp, char ***argvp)
{
/* Disable floating point errors, Perl will trap the ones we
* care about. VC++ RTL defaults to switching these off
* already, but the Borland RTL doesn't. Since we don't
* want to be at the vendor's whim on the default, we set
* it explicitly here.
*/
#if !defined(_ALPHA_) && !defined(__GNUC__)
_control87(MCW_EM, MCW_EM);
#endif
MALLOC_INIT;
}
void
win32_get_child_IO(child_IO_table* ptbl)
{
ptbl->childStdIn = GetStdHandle(STD_INPUT_HANDLE);
ptbl->childStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
ptbl->childStdErr = GetStdHandle(STD_ERROR_HANDLE);
}
Sighandler_t
win32_signal(int sig, Sighandler_t subcode)
{
dTHX;
if (sig < SIG_SIZE) {
int save_errno = errno;
Sighandler_t result = signal(sig, subcode);
if (result == SIG_ERR) {
result = w32_sighandler[sig];
errno = save_errno;
}
w32_sighandler[sig] = subcode;
return result;
}
else {
errno = EINVAL;
return SIG_ERR;
}
}
#ifdef HAVE_INTERP_INTERN
static void
win32_csighandler(int sig)
{
#if 0
dTHXa(PERL_GET_SIG_CONTEXT);
Perl_warn(aTHX_ "Got signal %d",sig);
#endif
/* Does nothing */
}
void
Perl_sys_intern_init(pTHX)
{
int i;
w32_perlshell_tokens = Nullch;
w32_perlshell_vec = (char**)NULL;
w32_perlshell_items = 0;
w32_fdpid = newAV();
New(1313, w32_children, 1, child_tab);
w32_num_children = 0;
# ifdef USE_ITHREADS
w32_pseudo_id = 0;
New(1313, w32_pseudo_children, 1, child_tab);
w32_num_pseudo_children = 0;
# endif
w32_init_socktype = 0;
w32_timerid = 0;
w32_poll_count = 0;
for (i=0; i < SIG_SIZE; i++) {
w32_sighandler[i] = SIG_DFL;
}
# ifdef MULTIPLICTY
if (my_perl == PL_curinterp) {
# else
{
# endif
/* Force C runtime signal stuff to set its console handler */
signal(SIGINT,&win32_csighandler);
signal(SIGBREAK,&win32_csighandler);
/* Push our handler on top */
SetConsoleCtrlHandler(win32_ctrlhandler,TRUE);
}
}
void
Perl_sys_intern_clear(pTHX)
{
Safefree(w32_perlshell_tokens);
Safefree(w32_perlshell_vec);
/* NOTE: w32_fdpid is freed by sv_clean_all() */
Safefree(w32_children);
if (w32_timerid) {
KillTimer(NULL,w32_timerid);
w32_timerid=0;
}
# ifdef MULTIPLICITY
if (my_perl == PL_curinterp) {
# else
{
# endif
SetConsoleCtrlHandler(win32_ctrlhandler,FALSE);
}
# ifdef USE_ITHREADS
Safefree(w32_pseudo_children);
# endif
}
# ifdef USE_ITHREADS
void
Perl_sys_intern_dup(pTHX_ struct interp_intern *src, struct interp_intern *dst)
{
dst->perlshell_tokens = Nullch;
dst->perlshell_vec = (char**)NULL;
dst->perlshell_items = 0;
dst->fdpid = newAV();
Newz(1313, dst->children, 1, child_tab);
dst->pseudo_id = 0;
Newz(1313, dst->pseudo_children, 1, child_tab);
dst->thr_intern.Winit_socktype = 0;
dst->timerid = 0;
dst->poll_count = 0;
Copy(src->sigtable,dst->sigtable,SIG_SIZE,Sighandler_t);
}
# endif /* USE_ITHREADS */
#endif /* HAVE_INTERP_INTERN */
static void
win32_free_argvw(pTHX_ void *ptr)
{
char** argv = (char**)ptr;
while(*argv) {
Safefree(*argv);
*argv++ = Nullch;
}
}
void
win32_argv2utf8(int argc, char** argv)
{
dTHX;
char* psz;
int length, wargc;
LPWSTR* lpwStr = CommandLineToArgvW(GetCommandLineW(), &wargc);
if (lpwStr && argc) {
while (argc--) {
length = WideCharToMultiByte(CP_UTF8, 0, lpwStr[--wargc], -1, NULL, 0, NULL, NULL);
Newz(0, psz, length, char);
WideCharToMultiByte(CP_UTF8, 0, lpwStr[wargc], -1, psz, length, NULL, NULL);
argv[argc] = psz;
}
call_atexit(win32_free_argvw, argv);
}
GlobalFree((HGLOBAL)lpwStr);
}
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