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 static PWIN32_IOSUBSYSTEM pIOSubSystem = &win32stdio;
39 BOOL ProbeEnv = FALSE;
40 DWORD Win32System = (DWORD)-1;
41 char szShellPath[MAX_PATH+1];
42 char szPerlLibRoot[MAX_PATH+1];
43 HANDLE PerlDllHandle = INVALID_HANDLE_VALUE;
47 return (IdOS() == VER_PLATFORM_WIN32_WINDOWS);
52 return (IdOS() == VER_PLATFORM_WIN32_NT);
56 SetIOSubSystem(void *p)
58 PWIN32_IOSUBSYSTEM old = pIOSubSystem;
60 PWIN32_IOSUBSYSTEM pio = (PWIN32_IOSUBSYSTEM)p;
61 if (pio->signature_begin == 12345678L
62 && pio->signature_end == 87654321L) {
67 pIOSubSystem = &win32stdio;
73 win32PerlLibPath(void)
76 GetModuleFileName((PerlDllHandle == INVALID_HANDLE_VALUE)
77 ? GetModuleHandle(NULL)
80 sizeof(szPerlLibRoot));
82 *(end = strrchr(szPerlLibRoot, '\\')) = '\0';
83 if (stricmp(end-4,"\\bin") == 0)
86 return (szPerlLibRoot);
90 HasRedirection(char *ptr)
96 * Scan string looking for redirection (< or >) or pipe
97 * characters (|) that are not in a quoted string
127 /* since the current process environment is being updated in util.c
128 * the library functions will get the correct environment
131 my_popen(char *cmd, char *mode)
134 #define fixcmd(x) { \
135 char *pspace = strchr((x),' '); \
138 while (p < pspace) { \
150 /* was #ifndef PERLDLL, but the #else stuff doesn't work on NT
154 #ifdef __BORLANDC__ /* workaround a Borland stdio bug */
155 win32_fflush(stdout);
156 win32_fflush(stderr);
158 return win32_popen(cmd, mode);
161 * There seems to be some problems for the _popen call in a DLL
162 * this trick at the moment seems to work but it is never test
167 #define EXT_C_FUNC extern "C"
169 #define EXT_C_FUNC extern
172 EXT_C_FUNC int __cdecl _set_osfhnd(int fh, long value);
173 EXT_C_FUNC void __cdecl _lock_fhandle(int);
174 EXT_C_FUNC void __cdecl _unlock_fhandle(int);
177 PerlIO *pf; /* to store the _popen return value */
178 int tm = 0; /* flag indicating tDllExport or binary mode */
179 int fhNeeded, fhInherited, fhDup;
180 int ineeded, iinherited;
182 int phdls[2]; /* I/O handles for pipe */
183 HANDLE hPIn, hPOut, hPErr,
184 hSaveStdin, hSaveStdout, hSaveStderr,
185 hPNeeded, hPInherited, hPDuped;
187 /* first check for errors in the arguments */
188 if ( (cmd == NULL) || (mode == NULL)
189 || ((*mode != 'w') && (*mode != _T('r'))) )
192 if ( *(mode + 1) == _T('t') )
194 else if ( *(mode + 1) == _T('b') )
197 tm = (*mode == 'w' ? O_BINARY : O_TEXT);
201 if (&win32stdio != pIOSubSystem)
202 return win32_popen(cmd, mode);
205 if ( _pipe( phdls, 1024, tm ) == -1 )
207 if ( win32_pipe( phdls, 1024, tm ) == -1 )
211 /* save the current situation */
212 hSaveStdin = GetStdHandle(STD_INPUT_HANDLE);
213 hSaveStdout = GetStdHandle(STD_OUTPUT_HANDLE);
214 hSaveStderr = GetStdHandle(STD_ERROR_HANDLE);
216 if (*mode == _T('w')) {
218 dwDup = STD_INPUT_HANDLE;
223 dwDup = STD_OUTPUT_HANDLE;
227 fhNeeded = phdls[ineeded];
228 fhInherited = phdls[iinherited];
230 fSuccess = DuplicateHandle(GetCurrentProcess(),
231 (HANDLE) stolen_get_osfhandle(fhNeeded),
235 FALSE, /* not inherited */
236 DUPLICATE_SAME_ACCESS);
241 fhDup = stolen_open_osfhandle((long) hPNeeded, tm);
242 win32_dup2(fhDup, fhNeeded);
246 /* Close the Out pipe, child won't need it */
247 hPDuped = (HANDLE) stolen_get_osfhandle(fhNeeded);
249 _lock_fhandle(fhNeeded);
250 _set_osfhnd(fhNeeded, (long)hPNeeded); /* put in ours duplicated one */
251 _unlock_fhandle(fhNeeded);
253 CloseHandle(hPDuped); /* close the handle first */
256 if (!SetStdHandle(dwDup, (HANDLE) stolen_get_osfhandle(fhInherited)))
260 * make sure the child see the same stderr as the calling program
262 if (!SetStdHandle(STD_ERROR_HANDLE,
263 (HANDLE)stolen_get_osfhandle(win32_fileno(win32_stderr()))))
266 pf = win32_popen(cmd, mode); /* ask _popen to do the job */
268 /* restore to where we were */
269 SetStdHandle(STD_INPUT_HANDLE, hSaveStdin);
270 SetStdHandle(STD_OUTPUT_HANDLE, hSaveStdout);
271 SetStdHandle(STD_ERROR_HANDLE, hSaveStderr);
273 /* we don't need it any more, that's for the child */
274 win32_close(fhInherited);
277 /* something wrong */
278 win32_close(fhNeeded);
283 * here we steal the file handle in pf and stuff ours in
285 win32_dup2(fhNeeded, win32_fileno(pf));
286 win32_close(fhNeeded);
291 win32_close(fhNeeded);
292 win32_close(fhInherited);
301 my_pclose(PerlIO *fp)
303 return win32_pclose(fp);
309 static OSVERSIONINFO osver;
311 if (osver.dwPlatformId != Win32System) {
312 memset(&osver, 0, sizeof(OSVERSIONINFO));
313 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
314 GetVersionEx(&osver);
315 Win32System = osver.dwPlatformId;
317 return (Win32System);
324 char* defaultshell = (IsWinNT() ? "cmd.exe" : "command.com");
325 /* we don't use COMSPEC here for two reasons:
326 * 1. the same reason perl on UNIX doesn't use SHELL--rampant and
327 * uncontrolled unportability of the ensuing scripts.
328 * 2. PERL5SHELL could be set to a shell that may not be fit for
329 * interactive use (which is what most programs look in COMSPEC
332 char *usershell = getenv("PERL5SHELL");
335 strcpy(szShellPath, usershell ? usershell : defaultshell);
341 do_aspawn(void* really, void** mark, void** arglast)
349 SV *sv = (SV*)really;
350 SV** pSv = (SV**)mark;
352 New(1310, argv, (arglast - mark) + 4, char*);
355 cmd = SvPV(sv, length);
358 argv[index++] = cmd = GetShell();
359 argv[index++] = "/x"; /* always enable command extensions */
360 argv[index++] = "/c";
363 while(++pSv <= (SV**)arglast) {
365 strPtr = SvPV(sv, length);
366 if(strPtr != NULL && *strPtr != '\0')
367 argv[index++] = strPtr;
371 status = win32_spawnvp(P_WAIT, cmd, (const char* const*)argv);
377 warn("Can't spawn \"%s\": %s", cmd, strerror(errno));
390 BOOL needToTry = TRUE;
393 /* save an extra exec if possible */
396 /* see if there are shell metacharacters in it */
397 if(!HasRedirection(cmd)) {
398 New(1301,argv, strlen(cmd) / 2 + 2, char*);
399 New(1302,cmd2, strlen(cmd) + 1, char);
402 for (s = cmd2; *s;) {
403 while (*s && isspace(*s))
407 while(*s && !isspace(*s))
414 status = win32_spawnvp(P_WAIT, argv[0], (const char* const*)argv);
415 if(status != -1 || errno == 0)
423 argv[0] = shell; argv[1] = "/x"; argv[2] = "/c";
424 argv[3] = cmd; argv[4] = Nullch;
425 status = win32_spawnvp(P_WAIT, argv[0], (const char* const*)argv);
429 warn("Can't spawn \"%s\": %s", needToTry ? shell : argv[0],
439 /* The idea here is to read all the directory names into a string table
440 * (separated by nulls) and when one of the other dir functions is called
441 * return the pointer to the current file name.
444 opendir(char *filename)
449 char scannamespc[PATHLEN];
450 char *scanname = scannamespc;
452 WIN32_FIND_DATA FindData;
454 /* char root[_MAX_PATH];*/
455 /* char volname[_MAX_PATH];*/
456 /* DWORD serial, maxname, flags;*/
460 /* check to see if filename is a directory */
461 if(stat(filename, &sbuf) < 0 || sbuf.st_mode & S_IFDIR == 0) {
465 /* get the file system characteristics */
466 /* if(GetFullPathName(filename, MAX_PATH, root, &dummy)) {
467 * if(dummy = strchr(root, '\\'))
469 * if(GetVolumeInformation(root, volname, MAX_PATH, &serial,
470 * &maxname, &flags, 0, 0)) {
471 * downcase = !(flags & FS_CASE_IS_PRESERVED);
478 /* Get us a DIR structure */
479 Newz(1303, p, 1, DIR);
483 /* Create the search pattern */
484 strcpy(scanname, filename);
486 if(index("/\\", *(scanname + strlen(scanname) - 1)) == NULL)
487 strcat(scanname, "/*");
489 strcat(scanname, "*");
491 /* do the FindFirstFile call */
492 fh = FindFirstFile(scanname, &FindData);
493 if(fh == INVALID_HANDLE_VALUE) {
497 /* now allocate the first part of the string table for
498 * the filenames that we find.
500 idx = strlen(FindData.cFileName)+1;
501 New(1304, p->start, idx, char);
502 if(p->start == NULL) {
503 CROAK("opendir: malloc failed!\n");
505 strcpy(p->start, FindData.cFileName);
511 /* loop finding all the files that match the wildcard
512 * (which should be all of them in this directory!).
513 * the variable idx should point one past the null terminator
514 * of the previous string found.
516 while (FindNextFile(fh, &FindData)) {
517 len = strlen(FindData.cFileName);
518 /* bump the string table size by enough for the
519 * new name and it's null terminator
521 Renew(p->start, idx+len+1, char);
522 if(p->start == NULL) {
523 CROAK("opendir: malloc failed!\n");
525 strcpy(&p->start[idx], FindData.cFileName);
527 * strlwr(&p->start[idx]);
539 /* Readdir just returns the current string pointer and bumps the
540 * string pointer to the nDllExport entry.
546 static int dummy = 0;
549 /* first set up the structure to return */
550 len = strlen(dirp->curr);
551 strcpy(dirp->dirstr.d_name, dirp->curr);
552 dirp->dirstr.d_namlen = len;
555 dirp->dirstr.d_ino = dummy++;
557 /* Now set up for the nDllExport call to readdir */
558 dirp->curr += len + 1;
559 if (dirp->curr >= (dirp->start + dirp->size)) {
563 return &(dirp->dirstr);
569 /* Telldir returns the current string pointer position */
573 return (long) dirp->curr;
577 /* Seekdir moves the string pointer to a previously saved position
581 seekdir(DIR *dirp, long loc)
583 dirp->curr = (char *)loc;
586 /* Rewinddir resets the string pointer to the start */
590 dirp->curr = dirp->start;
593 /* free the memory allocated by opendir */
597 Safefree(dirp->start);
610 * Just pretend that everyone is a superuser. NT will let us know if
611 * we don\'t really have permission to do something.
614 #define ROOT_UID ((uid_t)0)
615 #define ROOT_GID ((gid_t)0)
644 return (uid == ROOT_UID ? 0 : -1);
650 return (gid == ROOT_GID ? 0 : -1);
657 kill(int pid, int sig)
659 HANDLE hProcess= OpenProcess(PROCESS_ALL_ACCESS, TRUE, pid);
661 if (hProcess == NULL) {
662 CROAK("kill process failed!\n");
665 if (!TerminateProcess(hProcess, sig))
666 CROAK("kill process failed!\n");
667 CloseHandle(hProcess);
678 ioctl(int i, unsigned int u, char *data)
680 CROAK("ioctl not implemented!\n");
686 sleep(unsigned int t)
696 myrename(char *OldFileName, char *newname)
698 if(_access(newname, 0) != -1) { /* file exists */
701 return rename(OldFileName, newname);
706 win32_stat(const char *path, struct stat *buffer)
709 const char *p = path;
710 int l = strlen(path);
713 switch(path[l - 1]) {
716 if (path[l - 2] != ':') {
717 strncpy(t, path, l - 1);
723 return stat(p, buffer);
728 mytimes(struct tms *timebuf)
731 timebuf->tms_utime = t;
732 timebuf->tms_stime = 0;
733 timebuf->tms_cutime = 0;
734 timebuf->tms_cstime = 0;
741 myalarm(unsigned int sec)
743 /* we warn the usuage of alarm function */
745 WARN("dummy function alarm called, program might not function as expected\n");
750 * redirected io subsystem for all XS modules
757 return (pIOSubSystem->pfnerrno());
763 return (pIOSubSystem->pfnenviron());
766 /* the rest are the remapped stdio routines */
770 return (pIOSubSystem->pfnstderr());
776 return (pIOSubSystem->pfnstdin());
782 return (pIOSubSystem->pfnstdout());
786 win32_ferror(FILE *fp)
788 return (pIOSubSystem->pfnferror(fp));
795 return (pIOSubSystem->pfnfeof(fp));
799 * Since the errors returned by the socket error function
800 * WSAGetLastError() are not known by the library routine strerror
801 * we have to roll our own.
804 __declspec(thread) char strerror_buffer[512];
807 win32_strerror(int e)
809 #ifndef __BORLANDC__ /* Borland intolerance */
814 if(e < 0 || e > sys_nerr) {
818 if(FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0,
819 strerror_buffer, sizeof(strerror_buffer), NULL) == 0)
820 strcpy(strerror_buffer, "Unknown Error");
822 return strerror_buffer;
824 return pIOSubSystem->pfnstrerror(e);
828 win32_fprintf(FILE *fp, const char *format, ...)
831 va_start(marker, format); /* Initialize variable arguments. */
833 return (pIOSubSystem->pfnvfprintf(fp, format, marker));
837 win32_printf(const char *format, ...)
840 va_start(marker, format); /* Initialize variable arguments. */
842 return (pIOSubSystem->pfnvprintf(format, marker));
846 win32_vfprintf(FILE *fp, const char *format, va_list args)
848 return (pIOSubSystem->pfnvfprintf(fp, format, args));
852 win32_vprintf(const char *format, va_list args)
854 return (pIOSubSystem->pfnvprintf(format, args));
858 win32_fread(void *buf, size_t size, size_t count, FILE *fp)
860 return pIOSubSystem->pfnfread(buf, size, count, fp);
864 win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
866 return pIOSubSystem->pfnfwrite(buf, size, count, fp);
870 win32_fopen(const char *filename, const char *mode)
872 if (stricmp(filename, "/dev/null")==0)
873 return pIOSubSystem->pfnfopen("NUL", mode);
874 return pIOSubSystem->pfnfopen(filename, mode);
878 win32_fdopen( int handle, const char *mode)
880 return pIOSubSystem->pfnfdopen(handle, mode);
884 win32_freopen( const char *path, const char *mode, FILE *stream)
886 if (stricmp(path, "/dev/null")==0)
887 return pIOSubSystem->pfnfreopen("NUL", mode, stream);
888 return pIOSubSystem->pfnfreopen(path, mode, stream);
892 win32_fclose(FILE *pf)
894 return pIOSubSystem->pfnfclose(pf);
898 win32_fputs(const char *s,FILE *pf)
900 return pIOSubSystem->pfnfputs(s, pf);
904 win32_fputc(int c,FILE *pf)
906 return pIOSubSystem->pfnfputc(c,pf);
910 win32_ungetc(int c,FILE *pf)
912 return pIOSubSystem->pfnungetc(c,pf);
918 return pIOSubSystem->pfngetc(pf);
922 win32_fileno(FILE *pf)
924 return pIOSubSystem->pfnfileno(pf);
928 win32_clearerr(FILE *pf)
930 pIOSubSystem->pfnclearerr(pf);
935 win32_fflush(FILE *pf)
937 return pIOSubSystem->pfnfflush(pf);
941 win32_ftell(FILE *pf)
943 return pIOSubSystem->pfnftell(pf);
947 win32_fseek(FILE *pf,long offset,int origin)
949 return pIOSubSystem->pfnfseek(pf, offset, origin);
953 win32_fgetpos(FILE *pf,fpos_t *p)
955 return pIOSubSystem->pfnfgetpos(pf, p);
959 win32_fsetpos(FILE *pf,const fpos_t *p)
961 return pIOSubSystem->pfnfsetpos(pf, p);
965 win32_rewind(FILE *pf)
967 pIOSubSystem->pfnrewind(pf);
974 return pIOSubSystem->pfntmpfile();
980 pIOSubSystem->pfnabort();
985 win32_fstat(int fd,struct stat *bufptr)
987 return pIOSubSystem->pfnfstat(fd,bufptr);
991 win32_pipe(int *pfd, unsigned int size, int mode)
993 return pIOSubSystem->pfnpipe(pfd, size, mode);
997 win32_popen(const char *command, const char *mode)
999 return pIOSubSystem->pfnpopen(command, mode);
1003 win32_pclose(FILE *pf)
1005 return pIOSubSystem->pfnpclose(pf);
1009 win32_setmode(int fd, int mode)
1011 return pIOSubSystem->pfnsetmode(fd, mode);
1015 win32_lseek(int fd, long offset, int origin)
1017 return pIOSubSystem->pfnlseek(fd, offset, origin);
1023 return pIOSubSystem->pfntell(fd);
1027 win32_open(const char *path, int flag, ...)
1033 pmode = va_arg(ap, int);
1036 if (stricmp(path, "/dev/null")==0)
1037 return pIOSubSystem->pfnopen("NUL", flag, pmode);
1038 return pIOSubSystem->pfnopen(path,flag,pmode);
1044 return pIOSubSystem->pfnclose(fd);
1050 return pIOSubSystem->pfneof(fd);
1056 return pIOSubSystem->pfndup(fd);
1060 win32_dup2(int fd1,int fd2)
1062 return pIOSubSystem->pfndup2(fd1,fd2);
1066 win32_read(int fd, void *buf, unsigned int cnt)
1068 return pIOSubSystem->pfnread(fd, buf, cnt);
1072 win32_write(int fd, const void *buf, unsigned int cnt)
1074 return pIOSubSystem->pfnwrite(fd, buf, cnt);
1078 win32_mkdir(const char *dir, int mode)
1080 return pIOSubSystem->pfnmkdir(dir); /* just ignore mode */
1084 win32_rmdir(const char *dir)
1086 return pIOSubSystem->pfnrmdir(dir);
1090 win32_chdir(const char *dir)
1092 return pIOSubSystem->pfnchdir(dir);
1096 win32_spawnvp(int mode, const char *cmdname, const char *const *argv)
1098 return pIOSubSystem->pfnspawnvp(mode, cmdname, argv);
1102 stolen_open_osfhandle(long handle, int flags)
1104 return pIOSubSystem->pfn_open_osfhandle(handle, flags);
1108 stolen_get_osfhandle(int fd)
1110 return pIOSubSystem->pfn_get_osfhandle(fd);
1118 win32_flock(int fd, int oper)
1121 croak("flock() unimplemented on this platform");
1124 return pIOSubSystem->pfnflock(fd, oper);