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)
38 #define EXECF_SPAWN_NOWAIT 3
40 static DWORD IdOS(void);
42 extern WIN32_IOSUBSYSTEM win32stdio;
43 static PWIN32_IOSUBSYSTEM pIOSubSystem = &win32stdio;
45 BOOL ProbeEnv = FALSE;
46 DWORD Win32System = (DWORD)-1;
47 char szShellPath[MAX_PATH+1];
48 char szPerlLibRoot[MAX_PATH+1];
49 HANDLE PerlDllHandle = INVALID_HANDLE_VALUE;
51 static int do_spawn2(char *cmd, int exectype);
55 return (IdOS() == VER_PLATFORM_WIN32_WINDOWS);
60 return (IdOS() == VER_PLATFORM_WIN32_NT);
63 DllExport PWIN32_IOSUBSYSTEM
64 SetIOSubSystem(void *p)
66 PWIN32_IOSUBSYSTEM old = pIOSubSystem;
68 PWIN32_IOSUBSYSTEM pio = (PWIN32_IOSUBSYSTEM)p;
69 if (pio->signature_begin == 12345678L
70 && pio->signature_end == 87654321L) {
75 pIOSubSystem = &win32stdio;
80 DllExport PWIN32_IOSUBSYSTEM
87 win32PerlLibPath(void)
90 GetModuleFileName((PerlDllHandle == INVALID_HANDLE_VALUE)
91 ? GetModuleHandle(NULL)
94 sizeof(szPerlLibRoot));
96 *(end = strrchr(szPerlLibRoot, '\\')) = '\0';
97 if (stricmp(end-4,"\\bin") == 0)
100 return (szPerlLibRoot);
104 win32SiteLibPath(void)
106 static char szPerlSiteLib[MAX_PATH+1];
107 strcpy(szPerlSiteLib, win32PerlLibPath());
108 strcat(szPerlSiteLib, "\\site");
109 return (szPerlSiteLib);
113 HasRedirection(char *ptr)
119 * Scan string looking for redirection (< or >) or pipe
120 * characters (|) that are not in a quoted string
150 /* since the current process environment is being updated in util.c
151 * the library functions will get the correct environment
154 my_popen(char *cmd, char *mode)
157 #define fixcmd(x) { \
158 char *pspace = strchr((x),' '); \
161 while (p < pspace) { \
173 /* was #ifndef PERLDLL, but the #else stuff doesn't work on NT
177 #ifdef __BORLANDC__ /* workaround a Borland stdio bug */
178 win32_fflush(stdout);
179 win32_fflush(stderr);
181 return win32_popen(cmd, mode);
184 * There seems to be some problems for the _popen call in a DLL
185 * this trick at the moment seems to work but it is never test
190 #define EXT_C_FUNC extern "C"
192 #define EXT_C_FUNC extern
195 EXT_C_FUNC int __cdecl _set_osfhnd(int fh, long value);
196 EXT_C_FUNC void __cdecl _lock_fhandle(int);
197 EXT_C_FUNC void __cdecl _unlock_fhandle(int);
200 PerlIO *pf; /* to store the _popen return value */
201 int tm = 0; /* flag indicating tDllExport or binary mode */
202 int fhNeeded, fhInherited, fhDup;
203 int ineeded, iinherited;
205 int phdls[2]; /* I/O handles for pipe */
206 HANDLE hPIn, hPOut, hPErr,
207 hSaveStdin, hSaveStdout, hSaveStderr,
208 hPNeeded, hPInherited, hPDuped;
210 /* first check for errors in the arguments */
211 if ( (cmd == NULL) || (mode == NULL)
212 || ((*mode != 'w') && (*mode != _T('r'))) )
215 if ( *(mode + 1) == _T('t') )
217 else if ( *(mode + 1) == _T('b') )
220 tm = (*mode == 'w' ? O_BINARY : O_TEXT);
224 if (&win32stdio != pIOSubSystem)
225 return win32_popen(cmd, mode);
228 if ( _pipe( phdls, 1024, tm ) == -1 )
230 if ( win32_pipe( phdls, 1024, tm ) == -1 )
234 /* save the current situation */
235 hSaveStdin = GetStdHandle(STD_INPUT_HANDLE);
236 hSaveStdout = GetStdHandle(STD_OUTPUT_HANDLE);
237 hSaveStderr = GetStdHandle(STD_ERROR_HANDLE);
239 if (*mode == _T('w')) {
241 dwDup = STD_INPUT_HANDLE;
246 dwDup = STD_OUTPUT_HANDLE;
250 fhNeeded = phdls[ineeded];
251 fhInherited = phdls[iinherited];
253 fSuccess = DuplicateHandle(GetCurrentProcess(),
254 (HANDLE) stolen_get_osfhandle(fhNeeded),
258 FALSE, /* not inherited */
259 DUPLICATE_SAME_ACCESS);
264 fhDup = stolen_open_osfhandle((long) hPNeeded, tm);
265 win32_dup2(fhDup, fhNeeded);
269 /* Close the Out pipe, child won't need it */
270 hPDuped = (HANDLE) stolen_get_osfhandle(fhNeeded);
272 _lock_fhandle(fhNeeded);
273 _set_osfhnd(fhNeeded, (long)hPNeeded); /* put in ours duplicated one */
274 _unlock_fhandle(fhNeeded);
276 CloseHandle(hPDuped); /* close the handle first */
279 if (!SetStdHandle(dwDup, (HANDLE) stolen_get_osfhandle(fhInherited)))
283 * make sure the child see the same stderr as the calling program
285 if (!SetStdHandle(STD_ERROR_HANDLE,
286 (HANDLE)stolen_get_osfhandle(win32_fileno(win32_stderr()))))
289 pf = win32_popen(cmd, mode); /* ask _popen to do the job */
291 /* restore to where we were */
292 SetStdHandle(STD_INPUT_HANDLE, hSaveStdin);
293 SetStdHandle(STD_OUTPUT_HANDLE, hSaveStdout);
294 SetStdHandle(STD_ERROR_HANDLE, hSaveStderr);
296 /* we don't need it any more, that's for the child */
297 win32_close(fhInherited);
300 /* something wrong */
301 win32_close(fhNeeded);
306 * here we steal the file handle in pf and stuff ours in
308 win32_dup2(fhNeeded, win32_fileno(pf));
309 win32_close(fhNeeded);
314 win32_close(fhNeeded);
315 win32_close(fhInherited);
324 my_pclose(PerlIO *fp)
326 return win32_pclose(fp);
332 static OSVERSIONINFO osver;
334 if (osver.dwPlatformId != Win32System) {
335 memset(&osver, 0, sizeof(OSVERSIONINFO));
336 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
337 GetVersionEx(&osver);
338 Win32System = osver.dwPlatformId;
340 return (Win32System);
347 char* defaultshell = (IsWinNT() ? "cmd.exe" : "command.com");
348 /* we don't use COMSPEC here for two reasons:
349 * 1. the same reason perl on UNIX doesn't use SHELL--rampant and
350 * uncontrolled unportability of the ensuing scripts.
351 * 2. PERL5SHELL could be set to a shell that may not be fit for
352 * interactive use (which is what most programs look in COMSPEC
355 char *usershell = getenv("PERL5SHELL");
358 strcpy(szShellPath, usershell ? usershell : defaultshell);
364 do_aspawn(void* really, void** mark, void** arglast)
372 SV *sv = (SV*)really;
373 SV** pSv = (SV**)mark;
375 New(1310, argv, (arglast - mark) + 4, char*);
378 cmd = SvPV(sv, length);
381 argv[index++] = cmd = GetShell();
382 argv[index++] = "/x"; /* always enable command extensions */
383 argv[index++] = "/c";
386 while(++pSv <= (SV**)arglast) {
388 strPtr = SvPV(sv, length);
389 if(strPtr != NULL && *strPtr != '\0')
390 argv[index++] = strPtr;
394 status = win32_spawnvp(P_WAIT, cmd, (const char* const*)argv);
400 warn("Can't spawn \"%s\": %s", cmd, strerror(errno));
407 do_spawn2(char *cmd, int exectype)
413 BOOL needToTry = TRUE;
416 /* save an extra exec if possible */
419 /* see if there are shell metacharacters in it */
420 if(!HasRedirection(cmd)) {
421 New(1301,argv, strlen(cmd) / 2 + 2, char*);
422 New(1302,cmd2, strlen(cmd) + 1, char);
425 for (s = cmd2; *s;) {
426 while (*s && isspace(*s))
430 while(*s && !isspace(*s))
439 status = win32_spawnvp(P_WAIT, argv[0],
440 (const char* const*)argv);
442 case EXECF_SPAWN_NOWAIT:
443 status = win32_spawnvp(P_NOWAIT, argv[0],
444 (const char* const*)argv);
447 status = win32_execvp(argv[0], (const char* const*)argv);
450 if(status != -1 || errno == 0)
458 argv[0] = shell; argv[1] = "/x"; argv[2] = "/c";
459 argv[3] = cmd; argv[4] = Nullch;
462 status = win32_spawnvp(P_WAIT, argv[0],
463 (const char* const*)argv);
465 case EXECF_SPAWN_NOWAIT:
466 status = win32_spawnvp(P_NOWAIT, argv[0],
467 (const char* const*)argv);
470 status = win32_execvp(argv[0], (const char* const*)argv);
476 warn("Can't %s \"%s\": %s",
477 (exectype == EXECF_EXEC ? "exec" : "spawn"),
478 needToTry ? shell : argv[0],
488 return do_spawn2(cmd, EXECF_SPAWN);
494 do_spawn2(cmd, EXECF_EXEC);
501 /* The idea here is to read all the directory names into a string table
502 * (separated by nulls) and when one of the other dir functions is called
503 * return the pointer to the current file name.
506 opendir(char *filename)
511 char scannamespc[PATHLEN];
512 char *scanname = scannamespc;
514 WIN32_FIND_DATA FindData;
516 /* char root[_MAX_PATH];*/
517 /* char volname[_MAX_PATH];*/
518 /* DWORD serial, maxname, flags;*/
522 /* check to see if filename is a directory */
523 if (win32_stat(filename, &sbuf) < 0 || sbuf.st_mode & S_IFDIR == 0) {
527 /* get the file system characteristics */
528 /* if(GetFullPathName(filename, MAX_PATH, root, &dummy)) {
529 * if(dummy = strchr(root, '\\'))
531 * if(GetVolumeInformation(root, volname, MAX_PATH, &serial,
532 * &maxname, &flags, 0, 0)) {
533 * downcase = !(flags & FS_CASE_IS_PRESERVED);
540 /* Get us a DIR structure */
541 Newz(1303, p, 1, DIR);
545 /* Create the search pattern */
546 strcpy(scanname, filename);
548 if(index("/\\", *(scanname + strlen(scanname) - 1)) == NULL)
549 strcat(scanname, "/*");
551 strcat(scanname, "*");
553 /* do the FindFirstFile call */
554 fh = FindFirstFile(scanname, &FindData);
555 if(fh == INVALID_HANDLE_VALUE) {
559 /* now allocate the first part of the string table for
560 * the filenames that we find.
562 idx = strlen(FindData.cFileName)+1;
563 New(1304, p->start, idx, char);
564 if(p->start == NULL) {
565 CROAK("opendir: malloc failed!\n");
567 strcpy(p->start, FindData.cFileName);
573 /* loop finding all the files that match the wildcard
574 * (which should be all of them in this directory!).
575 * the variable idx should point one past the null terminator
576 * of the previous string found.
578 while (FindNextFile(fh, &FindData)) {
579 len = strlen(FindData.cFileName);
580 /* bump the string table size by enough for the
581 * new name and it's null terminator
583 Renew(p->start, idx+len+1, char);
584 if(p->start == NULL) {
585 CROAK("opendir: malloc failed!\n");
587 strcpy(&p->start[idx], FindData.cFileName);
589 * strlwr(&p->start[idx]);
601 /* Readdir just returns the current string pointer and bumps the
602 * string pointer to the nDllExport entry.
608 static int dummy = 0;
611 /* first set up the structure to return */
612 len = strlen(dirp->curr);
613 strcpy(dirp->dirstr.d_name, dirp->curr);
614 dirp->dirstr.d_namlen = len;
617 dirp->dirstr.d_ino = dummy++;
619 /* Now set up for the nDllExport call to readdir */
620 dirp->curr += len + 1;
621 if (dirp->curr >= (dirp->start + dirp->size)) {
625 return &(dirp->dirstr);
631 /* Telldir returns the current string pointer position */
635 return (long) dirp->curr;
639 /* Seekdir moves the string pointer to a previously saved position
643 seekdir(DIR *dirp, long loc)
645 dirp->curr = (char *)loc;
648 /* Rewinddir resets the string pointer to the start */
652 dirp->curr = dirp->start;
655 /* free the memory allocated by opendir */
659 Safefree(dirp->start);
672 * Just pretend that everyone is a superuser. NT will let us know if
673 * we don\'t really have permission to do something.
676 #define ROOT_UID ((uid_t)0)
677 #define ROOT_GID ((gid_t)0)
706 return (uid == ROOT_UID ? 0 : -1);
712 return (gid == ROOT_GID ? 0 : -1);
719 kill(int pid, int sig)
721 HANDLE hProcess= OpenProcess(PROCESS_ALL_ACCESS, TRUE, pid);
723 if (hProcess == NULL) {
724 CROAK("kill process failed!\n");
727 if (!TerminateProcess(hProcess, sig))
728 CROAK("kill process failed!\n");
729 CloseHandle(hProcess);
740 ioctl(int i, unsigned int u, char *data)
742 CROAK("ioctl not implemented!\n");
748 sleep(unsigned int t)
758 myrename(char *OldFileName, char *newname)
760 if(_access(newname, 0) != -1) { /* file exists */
763 return rename(OldFileName, newname);
768 win32_stat(const char *path, struct stat *buffer)
771 const char *p = path;
772 int l = strlen(path);
776 switch(path[l - 1]) {
779 if (path[l - 2] != ':') {
780 strncpy(t, path, l - 1);
786 res = pIOSubSystem->pfnstat(p,buffer);
789 if (S_ISDIR(buffer->st_mode))
790 buffer->st_mode |= S_IWRITE | S_IEXEC;
791 else if (S_ISREG(buffer->st_mode)) {
792 if (l >= 4 && path[l-4] == '.') {
793 const char *e = path + l - 3;
794 if (strnicmp(e,"exe",3)
795 && strnicmp(e,"bat",3)
796 && strnicmp(e,"com",3)
797 && (IsWin95() || strnicmp(e,"cmd",3)))
798 buffer->st_mode &= ~S_IEXEC;
800 buffer->st_mode |= S_IEXEC;
803 buffer->st_mode &= ~S_IEXEC;
810 #ifndef USE_WIN32_RTL_ENV
813 win32_getenv(const char *name)
815 static char *curitem = Nullch;
816 static DWORD curlen = 512;
819 New(1305,curitem,curlen,char);
820 if (!(needlen = GetEnvironmentVariable(name,curitem,curlen)))
822 while (needlen > curlen) {
823 Renew(curitem,needlen,char);
825 needlen = GetEnvironmentVariable(name,curitem,curlen);
834 mytimes(struct tms *timebuf)
837 timebuf->tms_utime = t;
838 timebuf->tms_stime = 0;
839 timebuf->tms_cutime = 0;
840 timebuf->tms_cstime = 0;
847 myalarm(unsigned int sec)
849 /* we warn the usuage of alarm function */
851 WARN("dummy function alarm called, program might not function as expected\n");
856 * redirected io subsystem for all XS modules
863 return (pIOSubSystem->pfnerrno());
869 return (pIOSubSystem->pfnenviron());
872 /* the rest are the remapped stdio routines */
876 return (pIOSubSystem->pfnstderr());
882 return (pIOSubSystem->pfnstdin());
888 return (pIOSubSystem->pfnstdout());
892 win32_ferror(FILE *fp)
894 return (pIOSubSystem->pfnferror(fp));
901 return (pIOSubSystem->pfnfeof(fp));
905 * Since the errors returned by the socket error function
906 * WSAGetLastError() are not known by the library routine strerror
907 * we have to roll our own.
910 __declspec(thread) char strerror_buffer[512];
913 win32_strerror(int e)
915 #ifndef __BORLANDC__ /* Borland intolerance */
920 if(e < 0 || e > sys_nerr) {
924 if(FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0,
925 strerror_buffer, sizeof(strerror_buffer), NULL) == 0)
926 strcpy(strerror_buffer, "Unknown Error");
928 return strerror_buffer;
930 return pIOSubSystem->pfnstrerror(e);
934 win32_fprintf(FILE *fp, const char *format, ...)
937 va_start(marker, format); /* Initialize variable arguments. */
939 return (pIOSubSystem->pfnvfprintf(fp, format, marker));
943 win32_printf(const char *format, ...)
946 va_start(marker, format); /* Initialize variable arguments. */
948 return (pIOSubSystem->pfnvprintf(format, marker));
952 win32_vfprintf(FILE *fp, const char *format, va_list args)
954 return (pIOSubSystem->pfnvfprintf(fp, format, args));
958 win32_vprintf(const char *format, va_list args)
960 return (pIOSubSystem->pfnvprintf(format, args));
964 win32_fread(void *buf, size_t size, size_t count, FILE *fp)
966 return pIOSubSystem->pfnfread(buf, size, count, fp);
970 win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
972 return pIOSubSystem->pfnfwrite(buf, size, count, fp);
976 win32_fopen(const char *filename, const char *mode)
978 if (stricmp(filename, "/dev/null")==0)
979 return pIOSubSystem->pfnfopen("NUL", mode);
980 return pIOSubSystem->pfnfopen(filename, mode);
984 win32_fdopen( int handle, const char *mode)
986 return pIOSubSystem->pfnfdopen(handle, mode);
990 win32_freopen( const char *path, const char *mode, FILE *stream)
992 if (stricmp(path, "/dev/null")==0)
993 return pIOSubSystem->pfnfreopen("NUL", mode, stream);
994 return pIOSubSystem->pfnfreopen(path, mode, stream);
998 win32_fclose(FILE *pf)
1000 return pIOSubSystem->pfnfclose(pf);
1004 win32_fputs(const char *s,FILE *pf)
1006 return pIOSubSystem->pfnfputs(s, pf);
1010 win32_fputc(int c,FILE *pf)
1012 return pIOSubSystem->pfnfputc(c,pf);
1016 win32_ungetc(int c,FILE *pf)
1018 return pIOSubSystem->pfnungetc(c,pf);
1022 win32_getc(FILE *pf)
1024 return pIOSubSystem->pfngetc(pf);
1028 win32_fileno(FILE *pf)
1030 return pIOSubSystem->pfnfileno(pf);
1034 win32_clearerr(FILE *pf)
1036 pIOSubSystem->pfnclearerr(pf);
1041 win32_fflush(FILE *pf)
1043 return pIOSubSystem->pfnfflush(pf);
1047 win32_ftell(FILE *pf)
1049 return pIOSubSystem->pfnftell(pf);
1053 win32_fseek(FILE *pf,long offset,int origin)
1055 return pIOSubSystem->pfnfseek(pf, offset, origin);
1059 win32_fgetpos(FILE *pf,fpos_t *p)
1061 return pIOSubSystem->pfnfgetpos(pf, p);
1065 win32_fsetpos(FILE *pf,const fpos_t *p)
1067 return pIOSubSystem->pfnfsetpos(pf, p);
1071 win32_rewind(FILE *pf)
1073 pIOSubSystem->pfnrewind(pf);
1080 return pIOSubSystem->pfntmpfile();
1086 pIOSubSystem->pfnabort();
1091 win32_fstat(int fd,struct stat *bufptr)
1093 return pIOSubSystem->pfnfstat(fd,bufptr);
1097 win32_pipe(int *pfd, unsigned int size, int mode)
1099 return pIOSubSystem->pfnpipe(pfd, size, mode);
1103 win32_popen(const char *command, const char *mode)
1105 return pIOSubSystem->pfnpopen(command, mode);
1109 win32_pclose(FILE *pf)
1111 return pIOSubSystem->pfnpclose(pf);
1115 win32_setmode(int fd, int mode)
1117 return pIOSubSystem->pfnsetmode(fd, mode);
1121 win32_lseek(int fd, long offset, int origin)
1123 return pIOSubSystem->pfnlseek(fd, offset, origin);
1129 return pIOSubSystem->pfntell(fd);
1133 win32_open(const char *path, int flag, ...)
1139 pmode = va_arg(ap, int);
1142 if (stricmp(path, "/dev/null")==0)
1143 return pIOSubSystem->pfnopen("NUL", flag, pmode);
1144 return pIOSubSystem->pfnopen(path,flag,pmode);
1150 return pIOSubSystem->pfnclose(fd);
1156 return pIOSubSystem->pfneof(fd);
1162 return pIOSubSystem->pfndup(fd);
1166 win32_dup2(int fd1,int fd2)
1168 return pIOSubSystem->pfndup2(fd1,fd2);
1172 win32_read(int fd, void *buf, unsigned int cnt)
1174 return pIOSubSystem->pfnread(fd, buf, cnt);
1178 win32_write(int fd, const void *buf, unsigned int cnt)
1180 return pIOSubSystem->pfnwrite(fd, buf, cnt);
1184 win32_mkdir(const char *dir, int mode)
1186 return pIOSubSystem->pfnmkdir(dir); /* just ignore mode */
1190 win32_rmdir(const char *dir)
1192 return pIOSubSystem->pfnrmdir(dir);
1196 win32_chdir(const char *dir)
1198 return pIOSubSystem->pfnchdir(dir);
1202 win32_spawnvp(int mode, const char *cmdname, const char *const *argv)
1204 return pIOSubSystem->pfnspawnvp(mode, cmdname, argv);
1208 win32_execvp(const char *cmdname, const char *const *argv)
1210 return pIOSubSystem->pfnexecvp(cmdname, argv);
1214 win32_perror(const char *str)
1216 pIOSubSystem->pfnperror(str);
1220 win32_setbuf(FILE *pf, char *buf)
1222 pIOSubSystem->pfnsetbuf(pf, buf);
1226 win32_setvbuf(FILE *pf, char *buf, int type, size_t size)
1228 return pIOSubSystem->pfnsetvbuf(pf, buf, type, size);
1232 win32_flushall(void)
1234 return pIOSubSystem->pfnflushall();
1238 win32_fcloseall(void)
1240 return pIOSubSystem->pfnfcloseall();
1244 win32_fgets(char *s, int n, FILE *pf)
1246 return pIOSubSystem->pfnfgets(s, n, pf);
1252 return pIOSubSystem->pfngets(s);
1256 win32_fgetc(FILE *pf)
1258 return pIOSubSystem->pfnfgetc(pf);
1262 win32_putc(int c, FILE *pf)
1264 return pIOSubSystem->pfnputc(c,pf);
1268 win32_puts(const char *s)
1270 return pIOSubSystem->pfnputs(s);
1276 return pIOSubSystem->pfngetchar();
1280 win32_putchar(int c)
1282 return pIOSubSystem->pfnputchar(c);
1286 win32_malloc(size_t size)
1288 return pIOSubSystem->pfnmalloc(size);
1292 win32_calloc(size_t numitems, size_t size)
1294 return pIOSubSystem->pfncalloc(numitems,size);
1298 win32_realloc(void *block, size_t size)
1300 return pIOSubSystem->pfnrealloc(block,size);
1304 win32_free(void *block)
1306 pIOSubSystem->pfnfree(block);
1310 stolen_open_osfhandle(long handle, int flags)
1312 return pIOSubSystem->pfn_open_osfhandle(handle, flags);
1316 stolen_get_osfhandle(int fd)
1318 return pIOSubSystem->pfn_get_osfhandle(fd);
1326 win32_flock(int fd, int oper)
1329 croak("flock() unimplemented on this platform");
1332 return pIOSubSystem->pfnflock(fd, oper);
1339 SV *sv = sv_newmortal();
1340 /* Make one call with zero size - return value is required size */
1341 DWORD len = GetCurrentDirectory((DWORD)0,NULL);
1342 SvUPGRADE(sv,SVt_PV);
1344 SvCUR(sv) = GetCurrentDirectory((DWORD) SvLEN(sv), SvPVX(sv));
1347 * then it worked, set PV valid,
1348 * else leave it 'undef'
1362 croak("usage: Win32::SetCurrentDirectory($cwd)");
1363 if (SetCurrentDirectory(SvPV(ST(0),na)))
1370 XS(w32_GetNextAvailDrive)
1374 char root[] = "_:\\";
1377 if (GetDriveType(root) == 1) {
1386 XS(w32_GetLastError)
1389 XSRETURN_IV(GetLastError());
1397 DWORD size = sizeof(name);
1398 if (GetUserName(name,&size)) {
1399 /* size includes NULL */
1400 ST(0) = sv_2mortal(newSVpv(name,size-1));
1410 char name[MAX_COMPUTERNAME_LENGTH+1];
1411 DWORD size = sizeof(name);
1412 if (GetComputerName(name,&size)) {
1413 /* size does NOT include NULL :-( */
1414 ST(0) = sv_2mortal(newSVpv(name,size));
1426 DWORD size = sizeof(name);
1427 if (GetUserName(name,&size)) {
1429 DWORD sidlen = sizeof(sid);
1431 DWORD dnamelen = sizeof(dname);
1433 if (LookupAccountName(NULL, name, &sid, &sidlen,
1434 dname, &dnamelen, &snu)) {
1435 XSRETURN_PV(dname); /* all that for this */
1446 DWORD flags, filecomplen;
1447 if (GetVolumeInformation(NULL, NULL, 0, NULL, &filecomplen,
1448 &flags, fsname, sizeof(fsname))) {
1449 if (GIMME == G_ARRAY) {
1450 XPUSHs(sv_2mortal(newSVpv(fsname,0)));
1451 XPUSHs(sv_2mortal(newSViv(flags)));
1452 XPUSHs(sv_2mortal(newSViv(filecomplen)));
1456 XSRETURN_PV(fsname);
1462 XS(w32_GetOSVersion)
1465 OSVERSIONINFO osver;
1467 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1468 if (GetVersionEx(&osver)) {
1469 XPUSHs(newSVpv(osver.szCSDVersion, 0));
1470 XPUSHs(newSViv(osver.dwMajorVersion));
1471 XPUSHs(newSViv(osver.dwMinorVersion));
1472 XPUSHs(newSViv(osver.dwBuildNumber));
1473 XPUSHs(newSViv(osver.dwPlatformId));
1484 XSRETURN_IV(IsWinNT());
1491 XSRETURN_IV(IsWin95());
1495 XS(w32_FormatMessage)
1502 croak("usage: Win32::FormatMessage($errno)");
1504 if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
1505 &source, SvIV(ST(0)), 0,
1506 msgbuf, sizeof(msgbuf)-1, NULL))
1507 XSRETURN_PV(msgbuf);
1517 PROCESS_INFORMATION stProcInfo;
1518 STARTUPINFO stStartInfo;
1519 BOOL bSuccess = FALSE;
1522 croak("usage: Win32::Spawn($cmdName, $args, $PID)");
1524 cmd = SvPV(ST(0),na);
1525 args = SvPV(ST(1), na);
1527 memset(&stStartInfo, 0, sizeof(stStartInfo)); /* Clear the block */
1528 stStartInfo.cb = sizeof(stStartInfo); /* Set the structure size */
1529 stStartInfo.dwFlags = STARTF_USESHOWWINDOW; /* Enable wShowWindow control */
1530 stStartInfo.wShowWindow = SW_SHOWMINNOACTIVE; /* Start min (normal) */
1533 cmd, /* Image path */
1534 args, /* Arguments for command line */
1535 NULL, /* Default process security */
1536 NULL, /* Default thread security */
1537 FALSE, /* Must be TRUE to use std handles */
1538 NORMAL_PRIORITY_CLASS, /* No special scheduling */
1539 NULL, /* Inherit our environment block */
1540 NULL, /* Inherit our currrent directory */
1541 &stStartInfo, /* -> Startup info */
1542 &stProcInfo)) /* <- Process info (if OK) */
1544 CloseHandle(stProcInfo.hThread);/* library source code does this. */
1545 sv_setiv(ST(2), stProcInfo.dwProcessId);
1548 XSRETURN_IV(bSuccess);
1552 XS(w32_GetTickCount)
1555 XSRETURN_IV(GetTickCount());
1559 XS(w32_GetShortPathName)
1565 croak("usage: Win32::GetShortPathName($longPathName)");
1567 shortpath = sv_mortalcopy(ST(0));
1568 SvUPGRADE(shortpath, SVt_PV);
1569 /* src == target is allowed */
1570 if (GetShortPathName(SvPVX(shortpath), SvPVX(shortpath), SvCUR(shortpath)))
1580 char *file = __FILE__;
1583 /* XXX should be removed after checking with Nick */
1584 newXS("Win32::GetCurrentDirectory", w32_GetCwd, file);
1586 /* these names are Activeware compatible */
1587 newXS("Win32::GetCwd", w32_GetCwd, file);
1588 newXS("Win32::SetCwd", w32_SetCwd, file);
1589 newXS("Win32::GetNextAvailDrive", w32_GetNextAvailDrive, file);
1590 newXS("Win32::GetLastError", w32_GetLastError, file);
1591 newXS("Win32::LoginName", w32_LoginName, file);
1592 newXS("Win32::NodeName", w32_NodeName, file);
1593 newXS("Win32::DomainName", w32_DomainName, file);
1594 newXS("Win32::FsType", w32_FsType, file);
1595 newXS("Win32::GetOSVersion", w32_GetOSVersion, file);
1596 newXS("Win32::IsWinNT", w32_IsWinNT, file);
1597 newXS("Win32::IsWin95", w32_IsWin95, file);
1598 newXS("Win32::FormatMessage", w32_FormatMessage, file);
1599 newXS("Win32::Spawn", w32_Spawn, file);
1600 newXS("Win32::GetTickCount", w32_GetTickCount, file);
1601 newXS("Win32::GetShortPathName", w32_GetShortPathName, file);
1603 /* XXX Bloat Alert! The following Activeware preloads really
1604 * ought to be part of Win32::Sys::*, so they're not included
1607 /* LookupAccountName
1609 * InitiateSystemShutdown
1610 * AbortSystemShutdown
1611 * ExpandEnvrironmentStrings
1616 Perl_win32_init(int *argcp, char ***argvp)
1618 /* Disable floating point errors, Perl will trap the ones we
1619 * care about. VC++ RTL defaults to switching these off
1620 * already, but the Borland RTL doesn't. Since we don't
1621 * want to be at the vendor's whim on the default, we set
1622 * it explicitly here.
1624 _control87(MCW_EM, MCW_EM);