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
19 /* #include "config.h" */
21 #define PERLIO_NOT_STDIO 0
22 #if !defined(PERLIO_IS_STDIO) && !defined(USE_SFIO)
32 /* assert.h conflicts with #define of assert in perl.h */
40 /* Mingw32 defaults to globing command line
41 * So we turn it off like this:
48 #define EXECF_SPAWN_NOWAIT 3
50 static DWORD IdOS(void);
52 BOOL ProbeEnv = FALSE;
53 DWORD Win32System = (DWORD)-1;
54 char szShellPath[MAX_PATH+1];
55 char szPerlLibRoot[MAX_PATH+1];
56 HANDLE PerlDllHandle = INVALID_HANDLE_VALUE;
58 static int do_spawn2(char *cmd, int exectype);
62 return (IdOS() == VER_PLATFORM_WIN32_WINDOWS);
67 return (IdOS() == VER_PLATFORM_WIN32_NT);
71 win32PerlLibPath(char *sfx,...)
76 GetModuleFileName((PerlDllHandle == INVALID_HANDLE_VALUE)
77 ? GetModuleHandle(NULL)
80 sizeof(szPerlLibRoot));
81 *(end = strrchr(szPerlLibRoot, '\\')) = '\0';
82 if (stricmp(end-4,"\\bin") == 0)
89 sfx = va_arg(ap,char *);
92 return (szPerlLibRoot);
97 HasRedirection(char *ptr)
103 * Scan string looking for redirection (< or >) or pipe
104 * characters (|) that are not in a quoted string
134 /* since the current process environment is being updated in util.c
135 * the library functions will get the correct environment
138 my_popen(char *cmd, char *mode)
141 #define fixcmd(x) { \
142 char *pspace = strchr((x),' '); \
145 while (p < pspace) { \
156 #ifdef __BORLANDC__ /* workaround a Borland stdio bug */
157 win32_fflush(stdout);
158 win32_fflush(stderr);
160 return win32_popen(cmd, mode);
164 my_pclose(PerlIO *fp)
166 return win32_pclose(fp);
172 static OSVERSIONINFO osver;
174 if (osver.dwPlatformId != Win32System) {
175 memset(&osver, 0, sizeof(OSVERSIONINFO));
176 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
177 GetVersionEx(&osver);
178 Win32System = osver.dwPlatformId;
180 return (Win32System);
187 char* defaultshell = (IsWinNT() ? "cmd.exe" : "command.com");
188 /* we don't use COMSPEC here for two reasons:
189 * 1. the same reason perl on UNIX doesn't use SHELL--rampant and
190 * uncontrolled unportability of the ensuing scripts.
191 * 2. PERL5SHELL could be set to a shell that may not be fit for
192 * interactive use (which is what most programs look in COMSPEC
195 char *usershell = getenv("PERL5SHELL");
198 strcpy(szShellPath, usershell ? usershell : defaultshell);
204 do_aspawn(void* really, void ** mark, void ** arglast)
212 SV *sv = (SV*)really;
213 SV** pSv = (SV**)mark;
215 New(1310, argv, (arglast - mark) + 4, char*);
218 cmd = SvPV(sv, length);
221 argv[index++] = cmd = GetShell();
223 argv[index++] = "/x"; /* always enable command extensions */
224 argv[index++] = "/c";
227 while(++pSv <= (SV**)arglast) {
229 strPtr = SvPV(sv, length);
230 if(strPtr != NULL && *strPtr != '\0')
231 argv[index++] = strPtr;
235 status = win32_spawnvp(P_WAIT, cmd, (const char* const*)argv);
241 warn("Can't spawn \"%s\": %s", cmd, strerror(errno));
248 do_spawn2(char *cmd, int exectype)
254 BOOL needToTry = TRUE;
257 /* save an extra exec if possible */
260 /* see if there are shell metacharacters in it */
261 if(!HasRedirection(cmd)) {
262 New(1301,argv, strlen(cmd) / 2 + 2, char*);
263 New(1302,cmd2, strlen(cmd) + 1, char);
266 for (s = cmd2; *s;) {
267 while (*s && isspace(*s))
271 while(*s && !isspace(*s))
280 status = win32_spawnvp(P_WAIT, argv[0],
281 (const char* const*)argv);
283 case EXECF_SPAWN_NOWAIT:
284 status = win32_spawnvp(P_NOWAIT, argv[0],
285 (const char* const*)argv);
288 status = win32_execvp(argv[0], (const char* const*)argv);
291 if(status != -1 || errno == 0)
303 argv[i++] = "/c"; argv[i++] = cmd; argv[i] = Nullch;
306 status = win32_spawnvp(P_WAIT, argv[0],
307 (const char* const*)argv);
309 case EXECF_SPAWN_NOWAIT:
310 status = win32_spawnvp(P_NOWAIT, argv[0],
311 (const char* const*)argv);
314 status = win32_execvp(argv[0], (const char* const*)argv);
320 warn("Can't %s \"%s\": %s",
321 (exectype == EXECF_EXEC ? "exec" : "spawn"),
322 needToTry ? shell : argv[0],
332 return do_spawn2(cmd, EXECF_SPAWN);
338 do_spawn2(cmd, EXECF_EXEC);
345 /* The idea here is to read all the directory names into a string table
346 * (separated by nulls) and when one of the other dir functions is called
347 * return the pointer to the current file name.
350 opendir(char *filename)
355 char scannamespc[PATHLEN];
356 char *scanname = scannamespc;
358 WIN32_FIND_DATA FindData;
360 /* char root[_MAX_PATH];*/
361 /* char volname[_MAX_PATH];*/
362 /* DWORD serial, maxname, flags;*/
366 /* check to see if filename is a directory */
367 if (win32_stat(filename, &sbuf) < 0 || (sbuf.st_mode & S_IFDIR) == 0) {
371 /* get the file system characteristics */
372 /* if(GetFullPathName(filename, MAX_PATH, root, &dummy)) {
373 * if(dummy = strchr(root, '\\'))
375 * if(GetVolumeInformation(root, volname, MAX_PATH, &serial,
376 * &maxname, &flags, 0, 0)) {
377 * downcase = !(flags & FS_CASE_IS_PRESERVED);
384 /* Get us a DIR structure */
385 Newz(1303, p, 1, DIR);
389 /* Create the search pattern */
390 strcpy(scanname, filename);
392 if(index("/\\", *(scanname + strlen(scanname) - 1)) == NULL)
393 strcat(scanname, "/*");
395 strcat(scanname, "*");
397 /* do the FindFirstFile call */
398 fh = FindFirstFile(scanname, &FindData);
399 if(fh == INVALID_HANDLE_VALUE) {
403 /* now allocate the first part of the string table for
404 * the filenames that we find.
406 idx = strlen(FindData.cFileName)+1;
407 New(1304, p->start, idx, char);
408 if(p->start == NULL) {
409 croak("opendir: malloc failed!\n");
411 strcpy(p->start, FindData.cFileName);
417 /* loop finding all the files that match the wildcard
418 * (which should be all of them in this directory!).
419 * the variable idx should point one past the null terminator
420 * of the previous string found.
422 while (FindNextFile(fh, &FindData)) {
423 len = strlen(FindData.cFileName);
424 /* bump the string table size by enough for the
425 * new name and it's null terminator
427 Renew(p->start, idx+len+1, char);
428 if(p->start == NULL) {
429 croak("opendir: malloc failed!\n");
431 strcpy(&p->start[idx], FindData.cFileName);
433 * strlwr(&p->start[idx]);
445 /* Readdir just returns the current string pointer and bumps the
446 * string pointer to the nDllExport entry.
452 static int dummy = 0;
455 /* first set up the structure to return */
456 len = strlen(dirp->curr);
457 strcpy(dirp->dirstr.d_name, dirp->curr);
458 dirp->dirstr.d_namlen = len;
461 dirp->dirstr.d_ino = dummy++;
463 /* Now set up for the nDllExport call to readdir */
464 dirp->curr += len + 1;
465 if (dirp->curr >= (dirp->start + dirp->size)) {
469 return &(dirp->dirstr);
475 /* Telldir returns the current string pointer position */
479 return (long) dirp->curr;
483 /* Seekdir moves the string pointer to a previously saved position
487 seekdir(DIR *dirp, long loc)
489 dirp->curr = (char *)loc;
492 /* Rewinddir resets the string pointer to the start */
496 dirp->curr = dirp->start;
499 /* free the memory allocated by opendir */
503 Safefree(dirp->start);
516 * Just pretend that everyone is a superuser. NT will let us know if
517 * we don\'t really have permission to do something.
520 #define ROOT_UID ((uid_t)0)
521 #define ROOT_GID ((gid_t)0)
550 return (uid == ROOT_UID ? 0 : -1);
556 return (gid == ROOT_GID ? 0 : -1);
563 kill(int pid, int sig)
565 HANDLE hProcess= OpenProcess(PROCESS_ALL_ACCESS, TRUE, pid);
567 if (hProcess == NULL) {
568 croak("kill process failed!\n");
571 if (!TerminateProcess(hProcess, sig))
572 croak("kill process failed!\n");
573 CloseHandle(hProcess);
584 ioctl(int i, unsigned int u, char *data)
586 croak("ioctl not implemented!\n");
591 DllExport unsigned int
592 win32_sleep(unsigned int t)
599 win32_stat(const char *path, struct stat *buffer)
602 const char *p = path;
603 int l = strlen(path);
607 switch(path[l - 1]) {
610 if (path[l - 2] != ':') {
611 strncpy(t, path, l - 1);
617 res = stat(p,buffer);
620 if (S_ISDIR(buffer->st_mode))
621 buffer->st_mode |= S_IWRITE | S_IEXEC;
622 else if (S_ISREG(buffer->st_mode)) {
623 if (l >= 4 && path[l-4] == '.') {
624 const char *e = path + l - 3;
625 if (strnicmp(e,"exe",3)
626 && strnicmp(e,"bat",3)
627 && strnicmp(e,"com",3)
628 && (IsWin95() || strnicmp(e,"cmd",3)))
629 buffer->st_mode &= ~S_IEXEC;
631 buffer->st_mode |= S_IEXEC;
634 buffer->st_mode &= ~S_IEXEC;
641 #ifndef USE_WIN32_RTL_ENV
644 win32_getenv(const char *name)
646 static char *curitem = Nullch;
647 static DWORD curlen = 512;
650 New(1305,curitem,curlen,char);
651 if (!(needlen = GetEnvironmentVariable(name,curitem,curlen)))
653 while (needlen > curlen) {
654 Renew(curitem,needlen,char);
656 needlen = GetEnvironmentVariable(name,curitem,curlen);
664 FileTimeToClock(PFILETIME ft)
666 __int64 qw = ft->dwHighDateTime;
668 qw |= ft->dwLowDateTime;
669 qw /= 10000; /* File time ticks at 0.1uS, clock at 1mS */
674 win32_times(struct tms *timebuf)
679 if (GetProcessTimes(GetCurrentProcess(), &dummy, &dummy,
681 timebuf->tms_utime = FileTimeToClock(&user);
682 timebuf->tms_stime = FileTimeToClock(&kernel);
683 timebuf->tms_cutime = 0;
684 timebuf->tms_cstime = 0;
687 /* That failed - e.g. Win95 fallback to clock() */
689 timebuf->tms_utime = t;
690 timebuf->tms_stime = 0;
691 timebuf->tms_cutime = 0;
692 timebuf->tms_cstime = 0;
697 static UINT timerid = 0;
700 static VOID CALLBACK TimerProc(HWND win, UINT msg, UINT id, DWORD time)
702 KillTimer(NULL,timerid);
707 DllExport unsigned int
708 win32_alarm(unsigned int sec)
711 * the 'obvious' implentation is SetTimer() with a callback
712 * which does whatever receiving SIGALRM would do
713 * we cannot use SIGALRM even via raise() as it is not
714 * one of the supported codes in <signal.h>
716 * Snag is unless something is looking at the message queue
717 * nothing happens :-(
721 timerid = SetTimer(NULL,timerid,sec*1000,(TIMERPROC)TimerProc);
723 croak("Cannot set timer");
729 KillTimer(NULL,timerid);
736 #ifdef USE_FIXED_OSFHANDLE
738 EXTERN_C int __cdecl _alloc_osfhnd(void);
739 EXTERN_C int __cdecl _set_osfhnd(int fh, long value);
740 EXTERN_C void __cdecl _lock_fhandle(int);
741 EXTERN_C void __cdecl _unlock_fhandle(int);
742 EXTERN_C void __cdecl _unlock(int);
744 #if (_MSC_VER >= 1000)
746 long osfhnd; /* underlying OS file HANDLE */
747 char osfile; /* attributes of file (e.g., open in text mode?) */
748 char pipech; /* one char buffer for handles opened on pipes */
749 #if defined (_MT) && !defined (DLL_FOR_WIN32S)
751 CRITICAL_SECTION lock;
752 #endif /* defined (_MT) && !defined (DLL_FOR_WIN32S) */
755 EXTERN_C ioinfo * __pioinfo[];
758 #define IOINFO_ARRAY_ELTS (1 << IOINFO_L2E)
759 #define _pioinfo(i) (__pioinfo[i >> IOINFO_L2E] + (i & (IOINFO_ARRAY_ELTS - 1)))
760 #define _osfile(i) (_pioinfo(i)->osfile)
762 #else /* (_MSC_VER >= 1000) */
763 extern char _osfile[];
764 #endif /* (_MSC_VER >= 1000) */
766 #define FOPEN 0x01 /* file handle open */
767 #define FAPPEND 0x20 /* file handle opened O_APPEND */
768 #define FDEV 0x40 /* file handle refers to device */
769 #define FTEXT 0x80 /* file handle is in text mode */
771 #define _STREAM_LOCKS 26 /* Table of stream locks */
772 #define _LAST_STREAM_LOCK (_STREAM_LOCKS+_NSTREAM_-1) /* Last stream lock */
773 #define _FH_LOCKS (_LAST_STREAM_LOCK+1) /* Table of fh locks */
776 *int my_open_osfhandle(long osfhandle, int flags) - open C Runtime file handle
779 * This function allocates a free C Runtime file handle and associates
780 * it with the Win32 HANDLE specified by the first parameter. This is a
781 * temperary fix for WIN95's brain damage GetFileType() error on socket
782 * we just bypass that call for socket
785 * long osfhandle - Win32 HANDLE to associate with C Runtime file handle.
786 * int flags - flags to associate with C Runtime file handle.
789 * returns index of entry in fh, if successful
790 * return -1, if no free entry is found
794 *******************************************************************************/
797 my_open_osfhandle(long osfhandle, int flags)
800 char fileflags; /* _osfile flags */
802 /* copy relevant flags from second parameter */
806 fileflags |= FAPPEND;
811 /* attempt to allocate a C Runtime file handle */
812 if((fh = _alloc_osfhnd()) == -1) {
813 errno = EMFILE; /* too many open files */
814 _doserrno = 0L; /* not an OS error */
815 return -1; /* return error to caller */
818 /* the file is open. now, set the info in _osfhnd array */
819 _set_osfhnd(fh, osfhandle);
821 fileflags |= FOPEN; /* mark as open */
823 #if (_MSC_VER >= 1000)
824 _osfile(fh) = fileflags; /* set osfile entry */
827 _osfile[fh] = fileflags; /* set osfile entry */
828 _unlock(fh+_FH_LOCKS); /* unlock handle */
831 return fh; /* return handle */
834 #define _open_osfhandle my_open_osfhandle
835 #endif /* USE_FIXED_OSFHANDLE */
837 /* simulate flock by locking a range on the file */
839 #define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError()))
840 #define LK_LEN 0xffff0000
843 win32_flock(int fd, int oper)
850 croak("flock() unimplemented on this platform");
853 fh = (HANDLE)_get_osfhandle(fd);
854 memset(&o, 0, sizeof(o));
857 case LOCK_SH: /* shared lock */
858 LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i);
860 case LOCK_EX: /* exclusive lock */
861 LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i);
863 case LOCK_SH|LOCK_NB: /* non-blocking shared lock */
864 LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i);
866 case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */
867 LK_ERR(LockFileEx(fh,
868 LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY,
869 0, LK_LEN, 0, &o),i);
871 case LOCK_UN: /* unlock lock */
872 LK_ERR(UnlockFileEx(fh, 0, LK_LEN, 0, &o),i);
874 default: /* unknown */
885 * redirected io subsystem for all XS modules
898 return (&(_environ));
901 /* the rest are the remapped stdio routines */
921 win32_ferror(FILE *fp)
934 * Since the errors returned by the socket error function
935 * WSAGetLastError() are not known by the library routine strerror
936 * we have to roll our own.
939 __declspec(thread) char strerror_buffer[512];
942 win32_strerror(int e)
944 #ifndef __BORLANDC__ /* Borland intolerance */
949 if(e < 0 || e > sys_nerr) {
953 if(FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0,
954 strerror_buffer, sizeof(strerror_buffer), NULL) == 0)
955 strcpy(strerror_buffer, "Unknown Error");
957 return strerror_buffer;
963 win32_fprintf(FILE *fp, const char *format, ...)
966 va_start(marker, format); /* Initialize variable arguments. */
968 return (vfprintf(fp, format, marker));
972 win32_printf(const char *format, ...)
975 va_start(marker, format); /* Initialize variable arguments. */
977 return (vprintf(format, marker));
981 win32_vfprintf(FILE *fp, const char *format, va_list args)
983 return (vfprintf(fp, format, args));
987 win32_vprintf(const char *format, va_list args)
989 return (vprintf(format, args));
993 win32_fread(void *buf, size_t size, size_t count, FILE *fp)
995 return fread(buf, size, count, fp);
999 win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
1001 return fwrite(buf, size, count, fp);
1005 win32_fopen(const char *filename, const char *mode)
1007 if (stricmp(filename, "/dev/null")==0)
1008 return fopen("NUL", mode);
1009 return fopen(filename, mode);
1012 #ifndef USE_SOCKETS_AS_HANDLES
1014 #define fdopen my_fdopen
1018 win32_fdopen( int handle, const char *mode)
1020 return fdopen(handle, (char *) mode);
1024 win32_freopen( const char *path, const char *mode, FILE *stream)
1026 if (stricmp(path, "/dev/null")==0)
1027 return freopen("NUL", mode, stream);
1028 return freopen(path, mode, stream);
1032 win32_fclose(FILE *pf)
1034 return my_fclose(pf); /* defined in win32sck.c */
1038 win32_fputs(const char *s,FILE *pf)
1040 return fputs(s, pf);
1044 win32_fputc(int c,FILE *pf)
1050 win32_ungetc(int c,FILE *pf)
1052 return ungetc(c,pf);
1056 win32_getc(FILE *pf)
1062 win32_fileno(FILE *pf)
1068 win32_clearerr(FILE *pf)
1075 win32_fflush(FILE *pf)
1081 win32_ftell(FILE *pf)
1087 win32_fseek(FILE *pf,long offset,int origin)
1089 return fseek(pf, offset, origin);
1093 win32_fgetpos(FILE *pf,fpos_t *p)
1095 return fgetpos(pf, p);
1099 win32_fsetpos(FILE *pf,const fpos_t *p)
1101 return fsetpos(pf, p);
1105 win32_rewind(FILE *pf)
1125 win32_fstat(int fd,struct stat *bufptr)
1127 return fstat(fd,bufptr);
1131 win32_pipe(int *pfd, unsigned int size, int mode)
1133 return _pipe(pfd, size, mode);
1137 win32_popen(const char *command, const char *mode)
1139 return _popen(command, mode);
1143 win32_pclose(FILE *pf)
1149 win32_setmode(int fd, int mode)
1151 return setmode(fd, mode);
1155 win32_lseek(int fd, long offset, int origin)
1157 return lseek(fd, offset, origin);
1167 win32_open(const char *path, int flag, ...)
1173 pmode = va_arg(ap, int);
1176 if (stricmp(path, "/dev/null")==0)
1177 return open("NUL", flag, pmode);
1178 return open(path,flag,pmode);
1200 win32_dup2(int fd1,int fd2)
1202 return dup2(fd1,fd2);
1206 win32_read(int fd, void *buf, unsigned int cnt)
1208 return read(fd, buf, cnt);
1212 win32_write(int fd, const void *buf, unsigned int cnt)
1214 return write(fd, buf, cnt);
1218 win32_mkdir(const char *dir, int mode)
1220 return mkdir(dir); /* just ignore mode */
1224 win32_rmdir(const char *dir)
1230 win32_chdir(const char *dir)
1236 win32_spawnvp(int mode, const char *cmdname, const char *const *argv)
1238 return spawnvp(mode, cmdname, (char * const *) argv);
1242 win32_execvp(const char *cmdname, const char *const *argv)
1244 return execvp(cmdname, (char *const *)argv);
1248 win32_perror(const char *str)
1254 win32_setbuf(FILE *pf, char *buf)
1260 win32_setvbuf(FILE *pf, char *buf, int type, size_t size)
1262 return setvbuf(pf, buf, type, size);
1266 win32_flushall(void)
1272 win32_fcloseall(void)
1278 win32_fgets(char *s, int n, FILE *pf)
1280 return fgets(s, n, pf);
1290 win32_fgetc(FILE *pf)
1296 win32_putc(int c, FILE *pf)
1302 win32_puts(const char *s)
1314 win32_putchar(int c)
1321 #ifndef USE_PERL_SBRK
1323 static char *committed = NULL;
1324 static char *base = NULL;
1325 static char *reserved = NULL;
1326 static char *brk = NULL;
1327 static DWORD pagesize = 0;
1328 static DWORD allocsize = 0;
1336 GetSystemInfo(&info);
1337 /* Pretend page size is larger so we don't perpetually
1338 * call the OS to commit just one page ...
1340 pagesize = info.dwPageSize << 3;
1341 allocsize = info.dwAllocationGranularity;
1343 /* This scheme fails eventually if request for contiguous
1344 * block is denied so reserve big blocks - this is only
1345 * address space not memory ...
1347 if (brk+need >= reserved)
1349 DWORD size = 64*1024*1024;
1351 if (committed && reserved && committed < reserved)
1353 /* Commit last of previous chunk cannot span allocations */
1354 addr = (char *) VirtualAlloc(committed,reserved-committed,MEM_COMMIT,PAGE_READWRITE);
1356 committed = reserved;
1358 /* Reserve some (more) space
1359 * Note this is a little sneaky, 1st call passes NULL as reserved
1360 * so lets system choose where we start, subsequent calls pass
1361 * the old end address so ask for a contiguous block
1363 addr = (char *) VirtualAlloc(reserved,size,MEM_RESERVE,PAGE_NOACCESS);
1366 reserved = addr+size;
1381 if (brk > committed)
1383 DWORD size = ((brk-committed + pagesize -1)/pagesize) * pagesize;
1384 char *addr = (char *) VirtualAlloc(committed,size,MEM_COMMIT,PAGE_READWRITE);
1399 win32_malloc(size_t size)
1401 return malloc(size);
1405 win32_calloc(size_t numitems, size_t size)
1407 return calloc(numitems,size);
1411 win32_realloc(void *block, size_t size)
1413 return realloc(block,size);
1417 win32_free(void *block)
1424 win32_open_osfhandle(long handle, int flags)
1426 return _open_osfhandle(handle, flags);
1430 win32_get_osfhandle(int fd)
1432 return _get_osfhandle(fd);
1443 SV *sv = sv_newmortal();
1444 /* Make one call with zero size - return value is required size */
1445 DWORD len = GetCurrentDirectory((DWORD)0,NULL);
1446 SvUPGRADE(sv,SVt_PV);
1448 SvCUR(sv) = GetCurrentDirectory((DWORD) SvLEN(sv), SvPVX(sv));
1451 * then it worked, set PV valid,
1452 * else leave it 'undef'
1466 croak("usage: Win32::SetCurrentDirectory($cwd)");
1467 if (SetCurrentDirectory(SvPV(ST(0),na)))
1474 XS(w32_GetNextAvailDrive)
1478 char root[] = "_:\\";
1481 if (GetDriveType(root) == 1) {
1490 XS(w32_GetLastError)
1493 XSRETURN_IV(GetLastError());
1501 DWORD size = sizeof(name);
1502 if (GetUserName(name,&size)) {
1503 /* size includes NULL */
1504 ST(0) = sv_2mortal(newSVpv(name,size-1));
1514 char name[MAX_COMPUTERNAME_LENGTH+1];
1515 DWORD size = sizeof(name);
1516 if (GetComputerName(name,&size)) {
1517 /* size does NOT include NULL :-( */
1518 ST(0) = sv_2mortal(newSVpv(name,size));
1530 DWORD size = sizeof(name);
1531 if (GetUserName(name,&size)) {
1533 DWORD sidlen = sizeof(sid);
1535 DWORD dnamelen = sizeof(dname);
1537 if (LookupAccountName(NULL, name, &sid, &sidlen,
1538 dname, &dnamelen, &snu)) {
1539 XSRETURN_PV(dname); /* all that for this */
1550 DWORD flags, filecomplen;
1551 if (GetVolumeInformation(NULL, NULL, 0, NULL, &filecomplen,
1552 &flags, fsname, sizeof(fsname))) {
1553 if (GIMME == G_ARRAY) {
1554 XPUSHs(sv_2mortal(newSVpv(fsname,0)));
1555 XPUSHs(sv_2mortal(newSViv(flags)));
1556 XPUSHs(sv_2mortal(newSViv(filecomplen)));
1560 XSRETURN_PV(fsname);
1566 XS(w32_GetOSVersion)
1569 OSVERSIONINFO osver;
1571 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1572 if (GetVersionEx(&osver)) {
1573 XPUSHs(newSVpv(osver.szCSDVersion, 0));
1574 XPUSHs(newSViv(osver.dwMajorVersion));
1575 XPUSHs(newSViv(osver.dwMinorVersion));
1576 XPUSHs(newSViv(osver.dwBuildNumber));
1577 XPUSHs(newSViv(osver.dwPlatformId));
1588 XSRETURN_IV(IsWinNT());
1595 XSRETURN_IV(IsWin95());
1599 XS(w32_FormatMessage)
1606 croak("usage: Win32::FormatMessage($errno)");
1608 if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
1609 &source, SvIV(ST(0)), 0,
1610 msgbuf, sizeof(msgbuf)-1, NULL))
1611 XSRETURN_PV(msgbuf);
1621 PROCESS_INFORMATION stProcInfo;
1622 STARTUPINFO stStartInfo;
1623 BOOL bSuccess = FALSE;
1626 croak("usage: Win32::Spawn($cmdName, $args, $PID)");
1628 cmd = SvPV(ST(0),na);
1629 args = SvPV(ST(1), na);
1631 memset(&stStartInfo, 0, sizeof(stStartInfo)); /* Clear the block */
1632 stStartInfo.cb = sizeof(stStartInfo); /* Set the structure size */
1633 stStartInfo.dwFlags = STARTF_USESHOWWINDOW; /* Enable wShowWindow control */
1634 stStartInfo.wShowWindow = SW_SHOWMINNOACTIVE; /* Start min (normal) */
1637 cmd, /* Image path */
1638 args, /* Arguments for command line */
1639 NULL, /* Default process security */
1640 NULL, /* Default thread security */
1641 FALSE, /* Must be TRUE to use std handles */
1642 NORMAL_PRIORITY_CLASS, /* No special scheduling */
1643 NULL, /* Inherit our environment block */
1644 NULL, /* Inherit our currrent directory */
1645 &stStartInfo, /* -> Startup info */
1646 &stProcInfo)) /* <- Process info (if OK) */
1648 CloseHandle(stProcInfo.hThread);/* library source code does this. */
1649 sv_setiv(ST(2), stProcInfo.dwProcessId);
1652 XSRETURN_IV(bSuccess);
1656 XS(w32_GetTickCount)
1659 XSRETURN_IV(GetTickCount());
1663 XS(w32_GetShortPathName)
1670 croak("usage: Win32::GetShortPathName($longPathName)");
1672 shortpath = sv_mortalcopy(ST(0));
1673 SvUPGRADE(shortpath, SVt_PV);
1674 /* src == target is allowed */
1676 len = GetShortPathName(SvPVX(shortpath),
1679 } while (len >= SvLEN(shortpath) && sv_grow(shortpath,len+1));
1681 SvCUR_set(shortpath,len);
1690 Perl_init_os_extras()
1692 char *file = __FILE__;
1695 /* XXX should be removed after checking with Nick */
1696 newXS("Win32::GetCurrentDirectory", w32_GetCwd, file);
1698 /* these names are Activeware compatible */
1699 newXS("Win32::GetCwd", w32_GetCwd, file);
1700 newXS("Win32::SetCwd", w32_SetCwd, file);
1701 newXS("Win32::GetNextAvailDrive", w32_GetNextAvailDrive, file);
1702 newXS("Win32::GetLastError", w32_GetLastError, file);
1703 newXS("Win32::LoginName", w32_LoginName, file);
1704 newXS("Win32::NodeName", w32_NodeName, file);
1705 newXS("Win32::DomainName", w32_DomainName, file);
1706 newXS("Win32::FsType", w32_FsType, file);
1707 newXS("Win32::GetOSVersion", w32_GetOSVersion, file);
1708 newXS("Win32::IsWinNT", w32_IsWinNT, file);
1709 newXS("Win32::IsWin95", w32_IsWin95, file);
1710 newXS("Win32::FormatMessage", w32_FormatMessage, file);
1711 newXS("Win32::Spawn", w32_Spawn, file);
1712 newXS("Win32::GetTickCount", w32_GetTickCount, file);
1713 newXS("Win32::GetShortPathName", w32_GetShortPathName, file);
1715 /* XXX Bloat Alert! The following Activeware preloads really
1716 * ought to be part of Win32::Sys::*, so they're not included
1719 /* LookupAccountName
1721 * InitiateSystemShutdown
1722 * AbortSystemShutdown
1723 * ExpandEnvrironmentStrings
1728 Perl_win32_init(int *argcp, char ***argvp)
1730 /* Disable floating point errors, Perl will trap the ones we
1731 * care about. VC++ RTL defaults to switching these off
1732 * already, but the Borland RTL doesn't. Since we don't
1733 * want to be at the vendor's whim on the default, we set
1734 * it explicitly here.
1736 #if !defined(_ALPHA_) && !defined(__GNUC__)
1737 _control87(MCW_EM, MCW_EM);
1742 #ifdef USE_BINMODE_SCRIPTS
1745 win32_strip_return(SV *sv)
1747 char *s = SvPVX(sv);
1748 char *e = s+SvCUR(sv);
1752 if (*s == '\r' && s[1] == '\n')
1762 SvCUR_set(sv,d-SvPVX(sv));