3 * (c) 1995 Microsoft Corporation. All rights reserved.
4 * Developed by hip communications inc., http://info.hip.com/info/
5 * Portions (c) 1993 Intergraph Corporation. All rights reserved.
7 * You may distribute under the terms of either the GNU General Public
8 * License or the Artistic License, as specified in the README file.
11 #define WIN32_LEAN_AND_MEAN
12 #define WIN32IO_IS_STDIO
16 /* #include "config.h" */
18 #define PERLIO_NOT_STDIO 0
19 #if !defined(PERLIO_IS_STDIO) && !defined(USE_SFIO)
34 static DWORD IdOS(void);
36 extern WIN32_IOSUBSYSTEM win32stdio;
37 __declspec(thread) PWIN32_IOSUBSYSTEM pIOSubSystem = &win32stdio;
38 /*__declspec(thread) PWIN32_IOSUBSYSTEM pIOSubSystem = NULL;*/
40 BOOL ProbeEnv = FALSE;
41 DWORD Win32System = (DWORD)-1;
42 char szShellPath[MAX_PATH+1];
43 char szPerlLibRoot[MAX_PATH+1];
44 HANDLE PerlDllHandle = INVALID_HANDLE_VALUE;
48 return (IdOS() == VER_PLATFORM_WIN32_WINDOWS);
53 return (IdOS() == VER_PLATFORM_WIN32_NT);
57 SetIOSubSystem(void *p)
59 PWIN32_IOSUBSYSTEM old = pIOSubSystem;
61 PWIN32_IOSUBSYSTEM pio = (PWIN32_IOSUBSYSTEM)p;
62 if (pio->signature_begin == 12345678L
63 && pio->signature_end == 87654321L) {
68 pIOSubSystem = &win32stdio;
74 win32PerlLibPath(void)
77 GetModuleFileName((PerlDllHandle == INVALID_HANDLE_VALUE)
78 ? GetModuleHandle(NULL)
81 sizeof(szPerlLibRoot));
83 *(end = strrchr(szPerlLibRoot, '\\')) = '\0';
84 if (stricmp(end-4,"\\bin") == 0)
87 return (szPerlLibRoot);
91 HasRedirection(char *ptr)
97 * Scan string looking for redirection (< or >) or pipe
98 * characters (|) that are not in a quoted string
128 /* since the current process environment is being updated in util.c
129 * the library functions will get the correct environment
132 my_popen(char *cmd, char *mode)
135 #define fixcmd(x) { \
136 char *pspace = strchr((x),' '); \
139 while (p < pspace) { \
151 /* was #ifndef PERLDLL, but the #else stuff doesn't work on NT
155 return win32_popen(cmd, mode);
158 * There seems to be some problems for the _popen call in a DLL
159 * this trick at the moment seems to work but it is never test
164 #define EXT_C_FUNC extern "C"
166 #define EXT_C_FUNC extern
169 EXT_C_FUNC int __cdecl _set_osfhnd(int fh, long value);
170 EXT_C_FUNC void __cdecl _lock_fhandle(int);
171 EXT_C_FUNC void __cdecl _unlock_fhandle(int);
174 PerlIO *pf; /* to store the _popen return value */
175 int tm = 0; /* flag indicating tDllExport or binary mode */
176 int fhNeeded, fhInherited, fhDup;
177 int ineeded, iinherited;
179 int phdls[2]; /* I/O handles for pipe */
180 HANDLE hPIn, hPOut, hPErr,
181 hSaveStdin, hSaveStdout, hSaveStderr,
182 hPNeeded, hPInherited, hPDuped;
184 /* first check for errors in the arguments */
185 if ( (cmd == NULL) || (mode == NULL)
186 || ((*mode != 'w') && (*mode != _T('r'))) )
189 if ( *(mode + 1) == _T('t') )
191 else if ( *(mode + 1) == _T('b') )
194 tm = (*mode == 'w' ? _O_BINARY : _O_TEXT);
198 if (&win32stdio != pIOSubSystem)
199 return win32_popen(cmd, mode);
202 if ( _pipe( phdls, 1024, tm ) == -1 )
204 if ( win32_pipe( phdls, 1024, tm ) == -1 )
208 /* save the current situation */
209 hSaveStdin = GetStdHandle(STD_INPUT_HANDLE);
210 hSaveStdout = GetStdHandle(STD_OUTPUT_HANDLE);
211 hSaveStderr = GetStdHandle(STD_ERROR_HANDLE);
213 if (*mode == _T('w')) {
215 dwDup = STD_INPUT_HANDLE;
220 dwDup = STD_OUTPUT_HANDLE;
224 fhNeeded = phdls[ineeded];
225 fhInherited = phdls[iinherited];
227 fSuccess = DuplicateHandle(GetCurrentProcess(),
228 (HANDLE) stolen_get_osfhandle(fhNeeded),
232 FALSE, /* not inherited */
233 DUPLICATE_SAME_ACCESS);
238 fhDup = stolen_open_osfhandle((long) hPNeeded, tm);
239 win32_dup2(fhDup, fhNeeded);
243 /* Close the Out pipe, child won't need it */
244 hPDuped = (HANDLE) stolen_get_osfhandle(fhNeeded);
246 _lock_fhandle(fhNeeded);
247 _set_osfhnd(fhNeeded, (long)hPNeeded); /* put in ours duplicated one */
248 _unlock_fhandle(fhNeeded);
250 CloseHandle(hPDuped); /* close the handle first */
253 if (!SetStdHandle(dwDup, (HANDLE) stolen_get_osfhandle(fhInherited)))
257 * make sure the child see the same stderr as the calling program
259 if (!SetStdHandle(STD_ERROR_HANDLE,
260 (HANDLE)stolen_get_osfhandle(win32_fileno(win32_stderr()))))
263 pf = win32_popen(cmd, mode); /* ask _popen to do the job */
265 /* restore to where we were */
266 SetStdHandle(STD_INPUT_HANDLE, hSaveStdin);
267 SetStdHandle(STD_OUTPUT_HANDLE, hSaveStdout);
268 SetStdHandle(STD_ERROR_HANDLE, hSaveStderr);
270 /* we don't need it any more, that's for the child */
271 win32_close(fhInherited);
274 /* something wrong */
275 win32_close(fhNeeded);
280 * here we steal the file handle in pf and stuff ours in
282 win32_dup2(fhNeeded, win32_fileno(pf));
283 win32_close(fhNeeded);
288 win32_close(fhNeeded);
289 win32_close(fhInherited);
298 my_pclose(PerlIO *fp)
300 return win32_pclose(fp);
306 static OSVERSIONINFO osver;
308 if (osver.dwPlatformId != Win32System) {
309 memset(&osver, 0, sizeof(OSVERSIONINFO));
310 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
311 GetVersionEx(&osver);
312 Win32System = osver.dwPlatformId;
314 return (Win32System);
320 static char* szWin95ShellEntry = "Win95Shell";
321 static char* szWin95DefaultShell = "Cmd32.exe";
322 static char* szWinNTDefaultShell = "cmd.exe";
327 strcpy(szShellPath, szWin95DefaultShell);
330 strcpy(szShellPath, szWinNTDefaultShell);
337 do_aspawn(void* really, void** mark, void** arglast)
345 SV *sv = (SV*)really;
346 SV** pSv = (SV**)mark;
348 New(1310, argv, (arglast - mark) + 4, char*);
351 cmd = SvPV(sv, length);
354 argv[index++] = cmd = GetShell();
355 argv[index++] = "/x"; /* always enable command extensions */
356 argv[index++] = "/c";
359 while(++pSv <= (SV**)arglast) {
361 strPtr = SvPV(sv, length);
362 if(strPtr != NULL && *strPtr != '\0')
363 argv[index++] = strPtr;
367 status = win32_spawnvpe(P_WAIT, cmd, (const char* const*)argv,
368 (const char* const*)environ);
374 warn("Can't spawn \"%s\": %s", cmd, strerror(errno));
387 BOOL needToTry = TRUE;
390 /* save an extra exec if possible */
393 /* see if there are shell metacharacters in it */
394 if(!HasRedirection(cmd)) {
395 New(1301,argv, strlen(cmd) / 2 + 2, char*);
396 New(1302,cmd2, strlen(cmd) + 1, char);
399 for (s = cmd2; *s;) {
400 while (*s && isspace(*s))
404 while(*s && !isspace(*s))
411 status = win32_spawnvpe(P_WAIT,
413 (const char* const*)argv,
414 (const char* const*)environ);
415 if(status != -1 || errno == 0)
422 status = win32_spawnle(P_WAIT,
426 "/c", cmd, (char*)0, environ);
430 warn("Can't spawn \"%s\": %s", needToTry ? shell : argv[0],
440 /* The idea here is to read all the directory names into a string table
441 * (separated by nulls) and when one of the other dir functions is called
442 * return the pointer to the current file name.
445 opendir(char *filename)
450 char scannamespc[PATHLEN];
451 char *scanname = scannamespc;
453 WIN32_FIND_DATA FindData;
455 /* char root[_MAX_PATH];*/
456 /* char volname[_MAX_PATH];*/
457 /* DWORD serial, maxname, flags;*/
461 /* check to see if filename is a directory */
462 if(stat(filename, &sbuf) < 0 || sbuf.st_mode & _S_IFDIR == 0) {
466 /* get the file system characteristics */
467 /* if(GetFullPathName(filename, MAX_PATH, root, &dummy)) {
468 * if(dummy = strchr(root, '\\'))
470 * if(GetVolumeInformation(root, volname, MAX_PATH, &serial,
471 * &maxname, &flags, 0, 0)) {
472 * downcase = !(flags & FS_CASE_IS_PRESERVED);
479 /* Get us a DIR structure */
480 Newz(1303, p, 1, DIR);
484 /* Create the search pattern */
485 strcpy(scanname, filename);
487 if(index("/\\", *(scanname + strlen(scanname) - 1)) == NULL)
488 strcat(scanname, "/*");
490 strcat(scanname, "*");
492 /* do the FindFirstFile call */
493 fh = FindFirstFile(scanname, &FindData);
494 if(fh == INVALID_HANDLE_VALUE) {
498 /* now allocate the first part of the string table for
499 * the filenames that we find.
501 idx = strlen(FindData.cFileName)+1;
502 New(1304, p->start, idx, char);
503 if(p->start == NULL) {
504 CROAK("opendir: malloc failed!\n");
506 strcpy(p->start, FindData.cFileName);
512 /* loop finding all the files that match the wildcard
513 * (which should be all of them in this directory!).
514 * the variable idx should point one past the null terminator
515 * of the previous string found.
517 while (FindNextFile(fh, &FindData)) {
518 len = strlen(FindData.cFileName);
519 /* bump the string table size by enough for the
520 * new name and it's null terminator
522 Renew(p->start, idx+len+1, char);
523 if(p->start == NULL) {
524 CROAK("opendir: malloc failed!\n");
526 strcpy(&p->start[idx], FindData.cFileName);
528 * strlwr(&p->start[idx]);
540 /* Readdir just returns the current string pointer and bumps the
541 * string pointer to the nDllExport entry.
547 static int dummy = 0;
550 /* first set up the structure to return */
551 len = strlen(dirp->curr);
552 strcpy(dirp->dirstr.d_name, dirp->curr);
553 dirp->dirstr.d_namlen = len;
556 dirp->dirstr.d_ino = dummy++;
558 /* Now set up for the nDllExport call to readdir */
559 dirp->curr += len + 1;
560 if (dirp->curr >= (dirp->start + dirp->size)) {
564 return &(dirp->dirstr);
570 /* Telldir returns the current string pointer position */
574 return (long) dirp->curr;
578 /* Seekdir moves the string pointer to a previously saved position
582 seekdir(DIR *dirp, long loc)
584 dirp->curr = (char *)loc;
587 /* Rewinddir resets the string pointer to the start */
591 dirp->curr = dirp->start;
594 /* free the memory allocated by opendir */
598 Safefree(dirp->start);
611 * Just pretend that everyone is a superuser. NT will let us know if
612 * we don\'t really have permission to do something.
615 #define ROOT_UID ((uid_t)0)
616 #define ROOT_GID ((gid_t)0)
645 return (uid == ROOT_UID ? 0 : -1);
651 return (gid == ROOT_GID ? 0 : -1);
658 kill(int pid, int sig)
660 HANDLE hProcess= OpenProcess(PROCESS_ALL_ACCESS, TRUE, pid);
662 if (hProcess == NULL) {
663 CROAK("kill process failed!\n");
666 if (!TerminateProcess(hProcess, sig))
667 CROAK("kill process failed!\n");
668 CloseHandle(hProcess);
678 ioctl(int i, unsigned int u, char *data)
680 CROAK("ioctl not implemented!\n");
685 sleep(unsigned int t)
695 myrename(char *OldFileName, char *newname)
697 if(_access(newname, 0) != -1) { /* file exists */
700 return rename(OldFileName, newname);
705 win32_stat(const char *path, struct stat *buffer)
708 const char *p = path;
709 int l = strlen(path);
712 switch(path[l - 1]) {
715 if (path[l - 2] != ':') {
716 strncpy(t, path, l - 1);
722 return stat(p, buffer);
727 mytimes(struct tms *timebuf)
730 timebuf->tms_utime = t;
731 timebuf->tms_stime = 0;
732 timebuf->tms_cutime = 0;
733 timebuf->tms_cstime = 0;
740 myalarm(unsigned int sec)
742 /* we warn the usuage of alarm function */
744 WARN("dummy function alarm called, program might not function as expected\n");
749 * redirected io subsystem for all XS modules
756 return (pIOSubSystem->pfnerrno());
762 return (pIOSubSystem->pfnenviron());
765 /* the rest are the remapped stdio routines */
769 return (pIOSubSystem->pfnstderr());
775 return (pIOSubSystem->pfnstdin());
781 return (pIOSubSystem->pfnstdout());
785 win32_ferror(FILE *fp)
787 return (pIOSubSystem->pfnferror(fp));
794 return (pIOSubSystem->pfnfeof(fp));
798 * Since the errors returned by the socket error function
799 * WSAGetLastError() are not known by the library routine strerror
800 * we have to roll our own.
803 __declspec(thread) char strerror_buffer[512];
806 win32_strerror(int e)
811 if(e < 0 || e > sys_nerr) {
815 if(FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0,
816 strerror_buffer, sizeof(strerror_buffer), NULL) == 0)
817 strcpy(strerror_buffer, "Unknown Error");
819 return strerror_buffer;
821 return pIOSubSystem->pfnstrerror(e);
825 win32_fprintf(FILE *fp, const char *format, ...)
828 va_start(marker, format); /* Initialize variable arguments. */
830 return (pIOSubSystem->pfnvfprintf(fp, format, marker));
834 win32_printf(const char *format, ...)
837 va_start(marker, format); /* Initialize variable arguments. */
839 return (pIOSubSystem->pfnvprintf(format, marker));
843 win32_vfprintf(FILE *fp, const char *format, va_list args)
845 return (pIOSubSystem->pfnvfprintf(fp, format, args));
849 win32_vprintf(const char *format, va_list args)
851 return (pIOSubSystem->pfnvprintf(format, args));
855 win32_fread(void *buf, size_t size, size_t count, FILE *fp)
857 return pIOSubSystem->pfnfread(buf, size, count, fp);
861 win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
863 return pIOSubSystem->pfnfwrite(buf, size, count, fp);
867 win32_fopen(const char *filename, const char *mode)
869 if (stricmp(filename, "/dev/null")==0)
870 return pIOSubSystem->pfnfopen("NUL", mode);
871 return pIOSubSystem->pfnfopen(filename, mode);
875 win32_fdopen( int handle, const char *mode)
877 return pIOSubSystem->pfnfdopen(handle, mode);
881 win32_freopen( const char *path, const char *mode, FILE *stream)
883 if (stricmp(path, "/dev/null")==0)
884 return pIOSubSystem->pfnfreopen("NUL", mode, stream);
885 return pIOSubSystem->pfnfreopen(path, mode, stream);
889 win32_fclose(FILE *pf)
891 return pIOSubSystem->pfnfclose(pf);
895 win32_fputs(const char *s,FILE *pf)
897 return pIOSubSystem->pfnfputs(s, pf);
901 win32_fputc(int c,FILE *pf)
903 return pIOSubSystem->pfnfputc(c,pf);
907 win32_ungetc(int c,FILE *pf)
909 return pIOSubSystem->pfnungetc(c,pf);
915 return pIOSubSystem->pfngetc(pf);
919 win32_fileno(FILE *pf)
921 return pIOSubSystem->pfnfileno(pf);
925 win32_clearerr(FILE *pf)
927 pIOSubSystem->pfnclearerr(pf);
932 win32_fflush(FILE *pf)
934 return pIOSubSystem->pfnfflush(pf);
938 win32_ftell(FILE *pf)
940 return pIOSubSystem->pfnftell(pf);
944 win32_fseek(FILE *pf,long offset,int origin)
946 return pIOSubSystem->pfnfseek(pf, offset, origin);
950 win32_fgetpos(FILE *pf,fpos_t *p)
952 return pIOSubSystem->pfnfgetpos(pf, p);
956 win32_fsetpos(FILE *pf,const fpos_t *p)
958 return pIOSubSystem->pfnfsetpos(pf, p);
962 win32_rewind(FILE *pf)
964 pIOSubSystem->pfnrewind(pf);
971 return pIOSubSystem->pfntmpfile();
977 pIOSubSystem->pfnabort();
982 win32_fstat(int fd,struct stat *bufptr)
984 return pIOSubSystem->pfnfstat(fd,bufptr);
988 win32_pipe(int *pfd, unsigned int size, int mode)
990 return pIOSubSystem->pfnpipe(pfd, size, mode);
994 win32_popen(const char *command, const char *mode)
996 return pIOSubSystem->pfnpopen(command, mode);
1000 win32_pclose(FILE *pf)
1002 return pIOSubSystem->pfnpclose(pf);
1006 win32_setmode(int fd, int mode)
1008 return pIOSubSystem->pfnsetmode(fd, mode);
1012 win32_lseek(int fd, long offset, int origin)
1014 return pIOSubSystem->pfnlseek(fd, offset, origin);
1020 return pIOSubSystem->pfntell(fd);
1024 win32_open(const char *path, int flag, ...)
1030 pmode = va_arg(ap, int);
1033 if (stricmp(path, "/dev/null")==0)
1034 return pIOSubSystem->pfnopen("NUL", flag, pmode);
1035 return pIOSubSystem->pfnopen(path,flag,pmode);
1041 return pIOSubSystem->pfnclose(fd);
1047 return pIOSubSystem->pfneof(fd);
1053 return pIOSubSystem->pfndup(fd);
1057 win32_dup2(int fd1,int fd2)
1059 return pIOSubSystem->pfndup2(fd1,fd2);
1063 win32_read(int fd, char *buf, unsigned int cnt)
1065 return pIOSubSystem->pfnread(fd, buf, cnt);
1069 win32_write(int fd, const char *buf, unsigned int cnt)
1071 return pIOSubSystem->pfnwrite(fd, buf, cnt);
1075 win32_mkdir(const char *dir, int mode)
1077 return pIOSubSystem->pfnmkdir(dir); /* just ignore mode */
1081 win32_rmdir(const char *dir)
1083 return pIOSubSystem->pfnrmdir(dir);
1087 win32_chdir(const char *dir)
1089 return pIOSubSystem->pfnchdir(dir);
1093 win32_spawnvpe(int mode, const char *cmdname,
1094 const char *const *argv, const char *const *envp)
1096 return pIOSubSystem->pfnspawnvpe(mode, cmdname, argv, envp);
1100 win32_spawnle(int mode, const char *cmdname, const char *arglist,...)
1102 const char* const* envp;
1103 const char* const* argp;
1107 envp = (const char* const*)*argp;
1109 return pIOSubSystem->pfnspawnvpe(mode, cmdname, &arglist, envp);
1113 stolen_open_osfhandle(long handle, int flags)
1115 return pIOSubSystem->pfn_open_osfhandle(handle, flags);
1119 stolen_get_osfhandle(int fd)
1121 return pIOSubSystem->pfn_get_osfhandle(fd);
1129 /* simulate flock by locking a range on the file */
1131 #define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError()))
1132 #define LK_LEN 0xffff0000
1135 win32_flock(int fd, int oper)
1142 croak("flock() unimplemented on this platform");
1146 fh = (HANDLE)stolen_get_osfhandle(fd);
1147 memset(&o, 0, sizeof(o));
1150 case LOCK_SH: /* shared lock */
1151 LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i);
1153 case LOCK_EX: /* exclusive lock */
1154 LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i);
1156 case LOCK_SH|LOCK_NB: /* non-blocking shared lock */
1157 LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i);
1159 case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */
1160 LK_ERR(LockFileEx(fh,
1161 LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY,
1162 0, LK_LEN, 0, &o),i);
1164 case LOCK_UN: /* unlock lock */
1165 LK_ERR(UnlockFileEx(fh, 0, LK_LEN, 0, &o),i);
1167 default: /* unknown */