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
22 /* ugliness to work around a buggy struct definition in lmwksta.h */
29 #endif /* __MINGW32__ */
31 /* #include "config.h" */
33 #define PERLIO_NOT_STDIO 0
34 #if !defined(PERLIO_IS_STDIO) && !defined(USE_SFIO)
43 extern CPerlObj* pPerl;
51 /* assert.h conflicts with #define of assert in perl.h */
58 #if defined(_MSC_VER) || defined(__MINGW32__)
59 #include <sys/utime.h>
65 /* Mingw32 defaults to globing command line
66 * So we turn it off like this:
73 #define EXECF_SPAWN_NOWAIT 3
75 #if defined(PERL_OBJECT)
76 #undef win32_get_privlib
77 #define win32_get_privlib g_win32_get_privlib
78 #undef win32_get_sitelib
79 #define win32_get_sitelib g_win32_get_sitelib
81 #define do_aspawn g_do_aspawn
83 #define do_spawn g_do_spawn
85 #define do_exec g_do_exec
87 #define getlogin g_getlogin
90 static DWORD os_id(void);
91 static void get_shell(void);
92 static long tokenize(char *str, char **dest, char ***destv);
93 int do_spawn2(char *cmd, int exectype);
94 static BOOL has_redirection(char *ptr);
95 static long filetime_to_clock(PFILETIME ft);
96 static BOOL filetime_from_time(PFILETIME ft, time_t t);
97 static char * get_emd_part(char *leading, char *trailing, ...);
98 static void remove_dead_process(HANDLE deceased);
100 HANDLE w32_perldll_handle = INVALID_HANDLE_VALUE;
101 static DWORD w32_platform = (DWORD)-1;
104 # ifdef USE_DECLSPEC_THREAD
105 __declspec(thread) char strerror_buffer[512];
106 __declspec(thread) char getlogin_buffer[128];
107 __declspec(thread) char w32_perllib_root[MAX_PATH+1];
108 # ifdef HAVE_DES_FCRYPT
109 __declspec(thread) char crypt_buffer[30];
112 # define strerror_buffer (thr->i.Wstrerror_buffer)
113 # define getlogin_buffer (thr->i.Wgetlogin_buffer)
114 # define w32_perllib_root (thr->i.Ww32_perllib_root)
115 # define crypt_buffer (thr->i.Wcrypt_buffer)
118 static char strerror_buffer[512];
119 static char getlogin_buffer[128];
120 static char w32_perllib_root[MAX_PATH+1];
121 # ifdef HAVE_DES_FCRYPT
122 static char crypt_buffer[30];
128 return (os_id() == VER_PLATFORM_WIN32_WINDOWS);
133 return (os_id() == VER_PLATFORM_WIN32_NT);
137 GetRegStrFromKey(HKEY hkey, const char *lpszValueName, char** ptr, DWORD* lpDataLen)
138 { /* Retrieve a REG_SZ or REG_EXPAND_SZ from the registry */
141 const char *subkey = "Software\\Perl";
144 retval = RegOpenKeyEx(hkey, subkey, 0, KEY_READ, &handle);
145 if (retval == ERROR_SUCCESS){
146 retval = RegQueryValueEx(handle, lpszValueName, 0, &type, NULL, lpDataLen);
147 if (retval == ERROR_SUCCESS && type == REG_SZ) {
149 Renew(*ptr, *lpDataLen, char);
152 New(1312, *ptr, *lpDataLen, char);
154 retval = RegQueryValueEx(handle, lpszValueName, 0, NULL, (PBYTE)*ptr, lpDataLen);
155 if (retval != ERROR_SUCCESS) {
166 GetRegStr(const char *lpszValueName, char** ptr, DWORD* lpDataLen)
168 *ptr = GetRegStrFromKey(HKEY_CURRENT_USER, lpszValueName, ptr, lpDataLen);
171 *ptr = GetRegStrFromKey(HKEY_LOCAL_MACHINE, lpszValueName, ptr, lpDataLen);
177 get_emd_part(char *prev_path, char *trailing_path, ...)
180 char mod_name[MAX_PATH+1];
184 int oldsize, newsize;
186 va_start(ap, trailing_path);
187 strip = va_arg(ap, char *);
189 GetModuleFileName((w32_perldll_handle == INVALID_HANDLE_VALUE)
190 ? GetModuleHandle(NULL)
191 : w32_perldll_handle, mod_name, sizeof(mod_name));
192 ptr = strrchr(mod_name, '\\');
193 while (ptr && strip) {
194 /* look for directories to skip back */
197 ptr = strrchr(mod_name, '\\');
198 if (!ptr || stricmp(ptr+1, strip) != 0) {
202 strip = va_arg(ap, char *);
210 strcpy(++ptr, trailing_path);
212 newsize = strlen(mod_name) + 1;
214 oldsize = strlen(prev_path) + 1;
215 newsize += oldsize; /* includes plus 1 for ';' */
216 Renew(prev_path, newsize, char);
217 prev_path[oldsize-1] = ';';
218 strcpy(&prev_path[oldsize], mod_name);
221 New(1311, prev_path, newsize, char);
222 strcpy(prev_path, mod_name);
229 win32_get_privlib(char *pl)
231 char *stdlib = "lib";
232 char buffer[MAX_PATH+1];
236 /* $stdlib = $HKCU{"lib-$]"} || $HKLM{"lib-$]"} || $HKCU{"lib"} || $HKLM{"lib"} || ""; */
237 sprintf(buffer, "%s-%s", stdlib, pl);
238 path = GetRegStr(buffer, &path, &datalen);
240 path = GetRegStr(stdlib, &path, &datalen);
242 /* $stdlib .= ";$EMD/../../lib" */
243 return get_emd_part(path, stdlib, ARCHNAME, "bin", Nullch);
247 win32_get_sitelib(char *pl)
249 char *sitelib = "sitelib";
251 char pathstr[MAX_PATH+1];
253 char *path1 = Nullch;
254 char *path2 = Nullch;
257 /* $HKCU{"sitelib-$]"} || $HKLM{"sitelib-$]"} . ---; */
258 sprintf(regstr, "%s-%s", sitelib, pl);
259 path1 = GetRegStr(regstr, &path1, &datalen);
262 * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/site/$]/lib"; */
263 sprintf(pathstr, "site\\%s\\lib", pl);
264 path1 = get_emd_part(path1, pathstr, ARCHNAME, "bin", pl, Nullch);
266 /* $HKCU{'sitelib'} || $HKLM{'sitelib'} . ---; */
267 path2 = GetRegStr(sitelib, &path2, &datalen);
270 * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/site/lib"; */
271 path2 = get_emd_part(path2, "site\\lib", ARCHNAME, "bin", pl, Nullch);
280 newsize = len + strlen(path2) + 2; /* plus one for ';' */
282 Renew(path1, newsize, char);
284 strcpy(&path1[len], path2);
292 has_redirection(char *ptr)
298 * Scan string looking for redirection (< or >) or pipe
299 * characters (|) that are not in a quoted string
329 #if !defined(PERL_OBJECT)
330 /* since the current process environment is being updated in util.c
331 * the library functions will get the correct environment
334 my_popen(char *cmd, char *mode)
337 #define fixcmd(x) { \
338 char *pspace = strchr((x),' '); \
341 while (p < pspace) { \
352 win32_fflush(stdout);
353 win32_fflush(stderr);
354 return win32_popen(cmd, mode);
358 my_pclose(PerlIO *fp)
360 return win32_pclose(fp);
367 static OSVERSIONINFO osver;
369 if (osver.dwPlatformId != w32_platform) {
370 memset(&osver, 0, sizeof(OSVERSIONINFO));
371 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
372 GetVersionEx(&osver);
373 w32_platform = osver.dwPlatformId;
375 return (w32_platform);
378 /* Tokenize a string. Words are null-separated, and the list
379 * ends with a doubled null. Any character (except null and
380 * including backslash) may be escaped by preceding it with a
381 * backslash (the backslash will be stripped).
382 * Returns number of words in result buffer.
385 tokenize(char *str, char **dest, char ***destv)
387 char *retstart = Nullch;
388 char **retvstart = 0;
391 int slen = strlen(str);
393 register char **retv;
394 New(1307, ret, slen+2, char);
395 New(1308, retv, (slen+3)/2, char*);
403 if (*ret == '\\' && *str)
405 else if (*ret == ' ') {
421 retvstart[items] = Nullch;
433 if (!w32_perlshell_tokens) {
434 /* we don't use COMSPEC here for two reasons:
435 * 1. the same reason perl on UNIX doesn't use SHELL--rampant and
436 * uncontrolled unportability of the ensuing scripts.
437 * 2. PERL5SHELL could be set to a shell that may not be fit for
438 * interactive use (which is what most programs look in COMSPEC
441 char* defaultshell = (IsWinNT() ? "cmd.exe /x/c" : "command.com /c");
442 char *usershell = getenv("PERL5SHELL");
443 w32_perlshell_items = tokenize(usershell ? usershell : defaultshell,
444 &w32_perlshell_tokens,
450 do_aspawn(void *vreally, void **vmark, void **vsp)
452 SV *really = (SV*)vreally;
453 SV **mark = (SV**)vmark;
465 New(1306, argv, (sp - mark) + w32_perlshell_items + 2, char*);
467 if (SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) {
472 while (++mark <= sp) {
473 if (*mark && (str = SvPV(*mark, PL_na)))
480 status = win32_spawnvp(flag,
481 (const char*)(really ? SvPV(really,PL_na) : argv[0]),
482 (const char* const*)argv);
484 if (status < 0 && errno == ENOEXEC) {
485 /* possible shell-builtin, invoke with shell */
487 sh_items = w32_perlshell_items;
489 argv[index+sh_items] = argv[index];
490 while (--sh_items >= 0)
491 argv[sh_items] = w32_perlshell_vec[sh_items];
493 status = win32_spawnvp(flag,
494 (const char*)(really ? SvPV(really,PL_na) : argv[0]),
495 (const char* const*)argv);
498 if (flag != P_NOWAIT) {
501 warn("Can't spawn \"%s\": %s", argv[0], strerror(errno));
506 PL_statusvalue = status;
513 do_spawn2(char *cmd, int exectype)
519 BOOL needToTry = TRUE;
522 /* Save an extra exec if possible. See if there are shell
523 * metacharacters in it */
524 if (!has_redirection(cmd)) {
525 New(1301,argv, strlen(cmd) / 2 + 2, char*);
526 New(1302,cmd2, strlen(cmd) + 1, char);
529 for (s = cmd2; *s;) {
530 while (*s && isspace(*s))
534 while (*s && !isspace(*s))
543 status = win32_spawnvp(P_WAIT, argv[0],
544 (const char* const*)argv);
546 case EXECF_SPAWN_NOWAIT:
547 status = win32_spawnvp(P_NOWAIT, argv[0],
548 (const char* const*)argv);
551 status = win32_execvp(argv[0], (const char* const*)argv);
554 if (status != -1 || errno == 0)
564 New(1306, argv, w32_perlshell_items + 2, char*);
565 while (++i < w32_perlshell_items)
566 argv[i] = w32_perlshell_vec[i];
571 status = win32_spawnvp(P_WAIT, argv[0],
572 (const char* const*)argv);
574 case EXECF_SPAWN_NOWAIT:
575 status = win32_spawnvp(P_NOWAIT, argv[0],
576 (const char* const*)argv);
579 status = win32_execvp(argv[0], (const char* const*)argv);
585 if (exectype != EXECF_SPAWN_NOWAIT) {
588 warn("Can't %s \"%s\": %s",
589 (exectype == EXECF_EXEC ? "exec" : "spawn"),
590 cmd, strerror(errno));
595 PL_statusvalue = status;
603 return do_spawn2(cmd, EXECF_SPAWN);
607 do_spawn_nowait(char *cmd)
609 return do_spawn2(cmd, EXECF_SPAWN_NOWAIT);
615 do_spawn2(cmd, EXECF_EXEC);
619 /* The idea here is to read all the directory names into a string table
620 * (separated by nulls) and when one of the other dir functions is called
621 * return the pointer to the current file name.
624 win32_opendir(char *filename)
629 char scanname[MAX_PATH+3];
631 WIN32_FIND_DATA FindData;
634 len = strlen(filename);
638 /* check to see if filename is a directory */
639 if (win32_stat(filename, &sbuf) < 0 || (sbuf.st_mode & S_IFDIR) == 0) {
640 /* CRT is buggy on sharenames, so make sure it really isn't */
641 DWORD r = GetFileAttributes(filename);
642 if (r == 0xffffffff || !(r & FILE_ATTRIBUTE_DIRECTORY))
646 /* Get us a DIR structure */
647 Newz(1303, p, 1, DIR);
651 /* Create the search pattern */
652 strcpy(scanname, filename);
653 if (scanname[len-1] != '/' && scanname[len-1] != '\\')
654 scanname[len++] = '/';
655 scanname[len++] = '*';
656 scanname[len] = '\0';
658 /* do the FindFirstFile call */
659 fh = FindFirstFile(scanname, &FindData);
660 if (fh == INVALID_HANDLE_VALUE) {
664 /* now allocate the first part of the string table for
665 * the filenames that we find.
667 idx = strlen(FindData.cFileName)+1;
668 New(1304, p->start, idx, char);
669 if (p->start == NULL)
670 croak("opendir: malloc failed!\n");
671 strcpy(p->start, FindData.cFileName);
674 /* loop finding all the files that match the wildcard
675 * (which should be all of them in this directory!).
676 * the variable idx should point one past the null terminator
677 * of the previous string found.
679 while (FindNextFile(fh, &FindData)) {
680 len = strlen(FindData.cFileName);
681 /* bump the string table size by enough for the
682 * new name and it's null terminator
684 Renew(p->start, idx+len+1, char);
685 if (p->start == NULL)
686 croak("opendir: malloc failed!\n");
687 strcpy(&p->start[idx], FindData.cFileName);
698 /* Readdir just returns the current string pointer and bumps the
699 * string pointer to the nDllExport entry.
702 win32_readdir(DIR *dirp)
705 static int dummy = 0;
708 /* first set up the structure to return */
709 len = strlen(dirp->curr);
710 strcpy(dirp->dirstr.d_name, dirp->curr);
711 dirp->dirstr.d_namlen = len;
714 dirp->dirstr.d_ino = dummy++;
716 /* Now set up for the nDllExport call to readdir */
717 dirp->curr += len + 1;
718 if (dirp->curr >= (dirp->start + dirp->size)) {
722 return &(dirp->dirstr);
728 /* Telldir returns the current string pointer position */
730 win32_telldir(DIR *dirp)
732 return (long) dirp->curr;
736 /* Seekdir moves the string pointer to a previously saved position
740 win32_seekdir(DIR *dirp, long loc)
742 dirp->curr = (char *)loc;
745 /* Rewinddir resets the string pointer to the start */
747 win32_rewinddir(DIR *dirp)
749 dirp->curr = dirp->start;
752 /* free the memory allocated by opendir */
754 win32_closedir(DIR *dirp)
756 Safefree(dirp->start);
769 * Just pretend that everyone is a superuser. NT will let us know if
770 * we don\'t really have permission to do something.
773 #define ROOT_UID ((uid_t)0)
774 #define ROOT_GID ((gid_t)0)
803 return (auid == ROOT_UID ? 0 : -1);
809 return (agid == ROOT_GID ? 0 : -1);
816 char *buf = getlogin_buffer;
817 DWORD size = sizeof(getlogin_buffer);
818 if (GetUserName(buf,&size))
824 chown(const char *path, uid_t owner, gid_t group)
831 remove_dead_process(HANDLE deceased)
835 for (child = 0 ; child < w32_num_children ; ++child) {
836 if (w32_child_pids[child] == deceased) {
837 Copy(&w32_child_pids[child+1], &w32_child_pids[child],
838 (w32_num_children-child-1), HANDLE);
847 win32_kill(int pid, int sig)
850 HANDLE hProcess= OpenProcess(PROCESS_ALL_ACCESS, TRUE, pid);
852 HANDLE hProcess = (HANDLE) pid;
855 if (hProcess == NULL) {
856 croak("kill process failed!\n");
859 if (!TerminateProcess(hProcess, sig))
860 croak("kill process failed!\n");
861 CloseHandle(hProcess);
863 /* WaitForMultipleObjects() on a pid that was killed returns error
864 * so if we know the pid is gone we remove it from process list */
865 remove_dead_process(hProcess);
874 DllExport unsigned int
875 win32_sleep(unsigned int t)
882 win32_stat(const char *path, struct stat *buffer)
885 const char *p = path;
886 int l = strlen(path);
890 switch(path[l - 1]) {
893 if (path[l - 2] != ':') {
894 strncpy(t, path, l - 1);
900 res = stat(p,buffer);
903 if (S_ISDIR(buffer->st_mode))
904 buffer->st_mode |= S_IWRITE | S_IEXEC;
905 else if (S_ISREG(buffer->st_mode)) {
906 if (l >= 4 && path[l-4] == '.') {
907 const char *e = path + l - 3;
908 if (strnicmp(e,"exe",3)
909 && strnicmp(e,"bat",3)
910 && strnicmp(e,"com",3)
911 && (IsWin95() || strnicmp(e,"cmd",3)))
912 buffer->st_mode &= ~S_IEXEC;
914 buffer->st_mode |= S_IEXEC;
917 buffer->st_mode &= ~S_IEXEC;
924 #ifndef USE_WIN32_RTL_ENV
927 win32_getenv(const char *name)
929 static char *curitem = Nullch;
930 static DWORD curlen = 512;
933 New(1305,curitem,curlen,char);
935 needlen = GetEnvironmentVariable(name,curitem,curlen);
937 while (needlen > curlen) {
938 Renew(curitem,needlen,char);
940 needlen = GetEnvironmentVariable(name,curitem,curlen);
945 /* allow any environment variables that begin with 'PERL'
946 to be stored in the registry
951 if (strncmp(name, "PERL", 4) == 0) {
952 if (curitem != NULL) {
956 curitem = GetRegStr(name, &curitem, &curlen);
959 if(curitem != NULL && *curitem == '\0')
968 filetime_to_clock(PFILETIME ft)
970 __int64 qw = ft->dwHighDateTime;
972 qw |= ft->dwLowDateTime;
973 qw /= 10000; /* File time ticks at 0.1uS, clock at 1mS */
978 win32_times(struct tms *timebuf)
983 if (GetProcessTimes(GetCurrentProcess(), &dummy, &dummy,
985 timebuf->tms_utime = filetime_to_clock(&user);
986 timebuf->tms_stime = filetime_to_clock(&kernel);
987 timebuf->tms_cutime = 0;
988 timebuf->tms_cstime = 0;
991 /* That failed - e.g. Win95 fallback to clock() */
993 timebuf->tms_utime = t;
994 timebuf->tms_stime = 0;
995 timebuf->tms_cutime = 0;
996 timebuf->tms_cstime = 0;
1001 /* fix utime() so it works on directories in NT
1002 * thanks to Jan Dubois <jan.dubois@ibm.net>
1005 filetime_from_time(PFILETIME pFileTime, time_t Time)
1007 struct tm *pTM = gmtime(&Time);
1008 SYSTEMTIME SystemTime;
1013 SystemTime.wYear = pTM->tm_year + 1900;
1014 SystemTime.wMonth = pTM->tm_mon + 1;
1015 SystemTime.wDay = pTM->tm_mday;
1016 SystemTime.wHour = pTM->tm_hour;
1017 SystemTime.wMinute = pTM->tm_min;
1018 SystemTime.wSecond = pTM->tm_sec;
1019 SystemTime.wMilliseconds = 0;
1021 return SystemTimeToFileTime(&SystemTime, pFileTime);
1025 win32_utime(const char *filename, struct utimbuf *times)
1031 struct utimbuf TimeBuffer;
1033 int rc = utime(filename,times);
1034 /* EACCES: path specifies directory or readonly file */
1035 if (rc == 0 || errno != EACCES /* || !IsWinNT() */)
1038 if (times == NULL) {
1039 times = &TimeBuffer;
1040 time(×->actime);
1041 times->modtime = times->actime;
1044 /* This will (and should) still fail on readonly files */
1045 handle = CreateFile(filename, GENERIC_READ | GENERIC_WRITE,
1046 FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
1047 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
1048 if (handle == INVALID_HANDLE_VALUE)
1051 if (GetFileTime(handle, &ftCreate, &ftAccess, &ftWrite) &&
1052 filetime_from_time(&ftAccess, times->actime) &&
1053 filetime_from_time(&ftWrite, times->modtime) &&
1054 SetFileTime(handle, &ftCreate, &ftAccess, &ftWrite))
1059 CloseHandle(handle);
1064 win32_waitpid(int pid, int *status, int flags)
1068 return win32_wait(status);
1070 rc = cwait(status, pid, WAIT_CHILD);
1071 /* cwait() returns differently on Borland */
1074 *status = (((*status >> 8) & 0xff) | ((*status << 8) & 0xff00));
1076 remove_dead_process((HANDLE)pid);
1078 return rc >= 0 ? pid : rc;
1082 win32_wait(int *status)
1085 return wait(status);
1087 /* XXX this wait emulation only knows about processes
1088 * spawned via win32_spawnvp(P_NOWAIT, ...).
1091 DWORD exitcode, waitcode;
1093 if (!w32_num_children) {
1098 /* if a child exists, wait for it to die */
1099 waitcode = WaitForMultipleObjects(w32_num_children,
1103 if (waitcode != WAIT_FAILED) {
1104 if (waitcode >= WAIT_ABANDONED_0
1105 && waitcode < WAIT_ABANDONED_0 + w32_num_children)
1106 i = waitcode - WAIT_ABANDONED_0;
1108 i = waitcode - WAIT_OBJECT_0;
1109 if (GetExitCodeProcess(w32_child_pids[i], &exitcode) ) {
1110 CloseHandle(w32_child_pids[i]);
1111 *status = (int)((exitcode & 0xff) << 8);
1112 retval = (int)w32_child_pids[i];
1113 Copy(&w32_child_pids[i+1], &w32_child_pids[i],
1114 (w32_num_children-i-1), HANDLE);
1121 errno = GetLastError();
1127 static UINT timerid = 0;
1129 static VOID CALLBACK TimerProc(HWND win, UINT msg, UINT id, DWORD time)
1131 KillTimer(NULL,timerid);
1136 DllExport unsigned int
1137 win32_alarm(unsigned int sec)
1140 * the 'obvious' implentation is SetTimer() with a callback
1141 * which does whatever receiving SIGALRM would do
1142 * we cannot use SIGALRM even via raise() as it is not
1143 * one of the supported codes in <signal.h>
1145 * Snag is unless something is looking at the message queue
1146 * nothing happens :-(
1150 timerid = SetTimer(NULL,timerid,sec*1000,(TIMERPROC)TimerProc);
1152 croak("Cannot set timer");
1158 KillTimer(NULL,timerid);
1165 #ifdef HAVE_DES_FCRYPT
1166 extern char * des_fcrypt(char *cbuf, const char *txt, const char *salt);
1169 win32_crypt(const char *txt, const char *salt)
1172 return des_fcrypt(crypt_buffer, txt, salt);
1176 #ifdef USE_FIXED_OSFHANDLE
1178 EXTERN_C int __cdecl _alloc_osfhnd(void);
1179 EXTERN_C int __cdecl _set_osfhnd(int fh, long value);
1180 EXTERN_C void __cdecl _lock_fhandle(int);
1181 EXTERN_C void __cdecl _unlock_fhandle(int);
1182 EXTERN_C void __cdecl _unlock(int);
1184 #if (_MSC_VER >= 1000)
1186 long osfhnd; /* underlying OS file HANDLE */
1187 char osfile; /* attributes of file (e.g., open in text mode?) */
1188 char pipech; /* one char buffer for handles opened on pipes */
1189 #if defined (_MT) && !defined (DLL_FOR_WIN32S)
1191 CRITICAL_SECTION lock;
1192 #endif /* defined (_MT) && !defined (DLL_FOR_WIN32S) */
1195 EXTERN_C ioinfo * __pioinfo[];
1197 #define IOINFO_L2E 5
1198 #define IOINFO_ARRAY_ELTS (1 << IOINFO_L2E)
1199 #define _pioinfo(i) (__pioinfo[i >> IOINFO_L2E] + (i & (IOINFO_ARRAY_ELTS - 1)))
1200 #define _osfile(i) (_pioinfo(i)->osfile)
1202 #else /* (_MSC_VER >= 1000) */
1203 extern char _osfile[];
1204 #endif /* (_MSC_VER >= 1000) */
1206 #define FOPEN 0x01 /* file handle open */
1207 #define FAPPEND 0x20 /* file handle opened O_APPEND */
1208 #define FDEV 0x40 /* file handle refers to device */
1209 #define FTEXT 0x80 /* file handle is in text mode */
1211 #define _STREAM_LOCKS 26 /* Table of stream locks */
1212 #define _LAST_STREAM_LOCK (_STREAM_LOCKS+_NSTREAM_-1) /* Last stream lock */
1213 #define _FH_LOCKS (_LAST_STREAM_LOCK+1) /* Table of fh locks */
1216 *int my_open_osfhandle(long osfhandle, int flags) - open C Runtime file handle
1219 * This function allocates a free C Runtime file handle and associates
1220 * it with the Win32 HANDLE specified by the first parameter. This is a
1221 * temperary fix for WIN95's brain damage GetFileType() error on socket
1222 * we just bypass that call for socket
1225 * long osfhandle - Win32 HANDLE to associate with C Runtime file handle.
1226 * int flags - flags to associate with C Runtime file handle.
1229 * returns index of entry in fh, if successful
1230 * return -1, if no free entry is found
1234 *******************************************************************************/
1237 my_open_osfhandle(long osfhandle, int flags)
1240 char fileflags; /* _osfile flags */
1242 /* copy relevant flags from second parameter */
1245 if (flags & O_APPEND)
1246 fileflags |= FAPPEND;
1251 /* attempt to allocate a C Runtime file handle */
1252 if ((fh = _alloc_osfhnd()) == -1) {
1253 errno = EMFILE; /* too many open files */
1254 _doserrno = 0L; /* not an OS error */
1255 return -1; /* return error to caller */
1258 /* the file is open. now, set the info in _osfhnd array */
1259 _set_osfhnd(fh, osfhandle);
1261 fileflags |= FOPEN; /* mark as open */
1263 #if (_MSC_VER >= 1000)
1264 _osfile(fh) = fileflags; /* set osfile entry */
1265 _unlock_fhandle(fh);
1267 _osfile[fh] = fileflags; /* set osfile entry */
1268 _unlock(fh+_FH_LOCKS); /* unlock handle */
1271 return fh; /* return handle */
1274 #define _open_osfhandle my_open_osfhandle
1275 #endif /* USE_FIXED_OSFHANDLE */
1277 /* simulate flock by locking a range on the file */
1279 #define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError()))
1280 #define LK_LEN 0xffff0000
1283 win32_flock(int fd, int oper)
1290 croak("flock() unimplemented on this platform");
1293 fh = (HANDLE)_get_osfhandle(fd);
1294 memset(&o, 0, sizeof(o));
1297 case LOCK_SH: /* shared lock */
1298 LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i);
1300 case LOCK_EX: /* exclusive lock */
1301 LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i);
1303 case LOCK_SH|LOCK_NB: /* non-blocking shared lock */
1304 LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i);
1306 case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */
1307 LK_ERR(LockFileEx(fh,
1308 LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY,
1309 0, LK_LEN, 0, &o),i);
1311 case LOCK_UN: /* unlock lock */
1312 LK_ERR(UnlockFileEx(fh, 0, LK_LEN, 0, &o),i);
1314 default: /* unknown */
1325 * redirected io subsystem for all XS modules
1338 return (&(_environ));
1341 /* the rest are the remapped stdio routines */
1361 win32_ferror(FILE *fp)
1363 return (ferror(fp));
1368 win32_feof(FILE *fp)
1374 * Since the errors returned by the socket error function
1375 * WSAGetLastError() are not known by the library routine strerror
1376 * we have to roll our own.
1380 win32_strerror(int e)
1382 #ifndef __BORLANDC__ /* Borland intolerance */
1383 extern int sys_nerr;
1387 if (e < 0 || e > sys_nerr) {
1392 if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0,
1393 strerror_buffer, sizeof(strerror_buffer), NULL) == 0)
1394 strcpy(strerror_buffer, "Unknown Error");
1396 return strerror_buffer;
1402 win32_str_os_error(void *sv, DWORD dwErr)
1406 dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
1407 |FORMAT_MESSAGE_IGNORE_INSERTS
1408 |FORMAT_MESSAGE_FROM_SYSTEM, NULL,
1409 dwErr, 0, (char *)&sMsg, 1, NULL);
1411 while (0 < dwLen && isspace(sMsg[--dwLen]))
1413 if ('.' != sMsg[dwLen])
1418 sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/);
1419 dwLen = sprintf(sMsg,
1420 "Unknown error #0x%lX (lookup 0x%lX)",
1421 dwErr, GetLastError());
1423 sv_setpvn((SV*)sv, sMsg, dwLen);
1429 win32_fprintf(FILE *fp, const char *format, ...)
1432 va_start(marker, format); /* Initialize variable arguments. */
1434 return (vfprintf(fp, format, marker));
1438 win32_printf(const char *format, ...)
1441 va_start(marker, format); /* Initialize variable arguments. */
1443 return (vprintf(format, marker));
1447 win32_vfprintf(FILE *fp, const char *format, va_list args)
1449 return (vfprintf(fp, format, args));
1453 win32_vprintf(const char *format, va_list args)
1455 return (vprintf(format, args));
1459 win32_fread(void *buf, size_t size, size_t count, FILE *fp)
1461 return fread(buf, size, count, fp);
1465 win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
1467 return fwrite(buf, size, count, fp);
1471 win32_fopen(const char *filename, const char *mode)
1473 if (stricmp(filename, "/dev/null")==0)
1474 return fopen("NUL", mode);
1475 return fopen(filename, mode);
1478 #ifndef USE_SOCKETS_AS_HANDLES
1480 #define fdopen my_fdopen
1484 win32_fdopen( int handle, const char *mode)
1486 return fdopen(handle, (char *) mode);
1490 win32_freopen( const char *path, const char *mode, FILE *stream)
1492 if (stricmp(path, "/dev/null")==0)
1493 return freopen("NUL", mode, stream);
1494 return freopen(path, mode, stream);
1498 win32_fclose(FILE *pf)
1500 return my_fclose(pf); /* defined in win32sck.c */
1504 win32_fputs(const char *s,FILE *pf)
1506 return fputs(s, pf);
1510 win32_fputc(int c,FILE *pf)
1516 win32_ungetc(int c,FILE *pf)
1518 return ungetc(c,pf);
1522 win32_getc(FILE *pf)
1528 win32_fileno(FILE *pf)
1534 win32_clearerr(FILE *pf)
1541 win32_fflush(FILE *pf)
1547 win32_ftell(FILE *pf)
1553 win32_fseek(FILE *pf,long offset,int origin)
1555 return fseek(pf, offset, origin);
1559 win32_fgetpos(FILE *pf,fpos_t *p)
1561 return fgetpos(pf, p);
1565 win32_fsetpos(FILE *pf,const fpos_t *p)
1567 return fsetpos(pf, p);
1571 win32_rewind(FILE *pf)
1591 win32_fstat(int fd,struct stat *sbufptr)
1593 return fstat(fd,sbufptr);
1597 win32_pipe(int *pfd, unsigned int size, int mode)
1599 return _pipe(pfd, size, mode);
1603 * a popen() clone that respects PERL5SHELL
1607 win32_popen(const char *command, const char *mode)
1609 #ifdef USE_RTL_POPEN
1610 return _popen(command, mode);
1618 /* establish which ends read and write */
1619 if (strchr(mode,'w')) {
1620 stdfd = 0; /* stdin */
1624 else if (strchr(mode,'r')) {
1625 stdfd = 1; /* stdout */
1632 /* set the correct mode */
1633 if (strchr(mode,'b'))
1635 else if (strchr(mode,'t'))
1638 ourmode = _fmode & (O_TEXT | O_BINARY);
1640 /* the child doesn't inherit handles */
1641 ourmode |= O_NOINHERIT;
1643 if (win32_pipe( p, 512, ourmode) == -1)
1646 /* save current stdfd */
1647 if ((oldfd = win32_dup(stdfd)) == -1)
1650 /* make stdfd go to child end of pipe (implicitly closes stdfd) */
1651 /* stdfd will be inherited by the child */
1652 if (win32_dup2(p[child], stdfd) == -1)
1655 /* close the child end in parent */
1656 win32_close(p[child]);
1658 /* start the child */
1659 if ((childpid = do_spawn_nowait((char*)command)) == -1)
1662 /* revert stdfd to whatever it was before */
1663 if (win32_dup2(oldfd, stdfd) == -1)
1666 /* close saved handle */
1669 sv_setiv(*av_fetch(w32_fdpid, p[parent], TRUE), childpid);
1671 /* we have an fd, return a file stream */
1672 return (win32_fdopen(p[parent], (char *)mode));
1675 /* we don't need to check for errors here */
1679 win32_dup2(oldfd, stdfd);
1684 #endif /* USE_RTL_POPEN */
1692 win32_pclose(FILE *pf)
1694 #ifdef USE_RTL_POPEN
1698 int childpid, status;
1701 sv = *av_fetch(w32_fdpid, win32_fileno(pf), TRUE);
1703 childpid = SvIVX(sv);
1715 remove_dead_process((HANDLE)childpid);
1717 /* wait for the child */
1718 if (cwait(&status, childpid, WAIT_CHILD) == -1)
1720 /* cwait() returns differently on Borland */
1722 return (((status >> 8) & 0xff) | ((status << 8) & 0xff00));
1727 #endif /* USE_RTL_POPEN */
1731 win32_rename(const char *oname, const char *newname)
1733 char szNewWorkName[MAX_PATH+1];
1734 WIN32_FIND_DATA fdOldFile, fdNewFile;
1738 if ((strchr(oname, '\\') || strchr(oname, '/'))
1739 && strchr(newname, '\\') == NULL
1740 && strchr(newname, '/') == NULL)
1742 strcpy(szNewWorkName, oname);
1743 if ((ptr = strrchr(szNewWorkName, '\\')) == NULL)
1744 ptr = strrchr(szNewWorkName, '/');
1745 strcpy(++ptr, newname);
1748 strcpy(szNewWorkName, newname);
1750 if (stricmp(oname, szNewWorkName) != 0) {
1751 // check that we're not being fooled by relative paths
1752 // and only delete the new file
1754 // 2) it is not the same file as the old file
1755 // 3) old file exist
1756 // GetFullPathName does not return the long file name on some systems
1757 handle = FindFirstFile(oname, &fdOldFile);
1758 if (handle != INVALID_HANDLE_VALUE) {
1761 handle = FindFirstFile(szNewWorkName, &fdNewFile);
1763 if (handle != INVALID_HANDLE_VALUE)
1766 fdNewFile.cFileName[0] = '\0';
1768 if (strcmp(fdOldFile.cAlternateFileName,
1769 fdNewFile.cAlternateFileName) != 0
1770 && strcmp(fdOldFile.cFileName, fdNewFile.cFileName) != 0)
1772 // file exists and not same file
1773 DeleteFile(szNewWorkName);
1777 return rename(oname, newname);
1781 win32_setmode(int fd, int mode)
1783 return setmode(fd, mode);
1787 win32_lseek(int fd, long offset, int origin)
1789 return lseek(fd, offset, origin);
1799 win32_open(const char *path, int flag, ...)
1805 pmode = va_arg(ap, int);
1808 if (stricmp(path, "/dev/null")==0)
1809 return open("NUL", flag, pmode);
1810 return open(path,flag,pmode);
1832 win32_dup2(int fd1,int fd2)
1834 return dup2(fd1,fd2);
1838 win32_read(int fd, void *buf, unsigned int cnt)
1840 return read(fd, buf, cnt);
1844 win32_write(int fd, const void *buf, unsigned int cnt)
1846 return write(fd, buf, cnt);
1850 win32_mkdir(const char *dir, int mode)
1852 return mkdir(dir); /* just ignore mode */
1856 win32_rmdir(const char *dir)
1862 win32_chdir(const char *dir)
1868 win32_spawnvp(int mode, const char *cmdname, const char *const *argv)
1872 #ifndef USE_RTL_WAIT
1873 if (mode == P_NOWAIT && w32_num_children >= MAXIMUM_WAIT_OBJECTS)
1877 status = spawnvp(mode, cmdname, (char * const *) argv);
1878 #ifndef USE_RTL_WAIT
1879 /* XXX For the P_NOWAIT case, Borland RTL returns pinfo.dwProcessId
1880 * while VC RTL returns pinfo.hProcess. For purposes of the custom
1881 * implementation of win32_wait(), we assume the latter.
1883 if (mode == P_NOWAIT && status >= 0)
1884 w32_child_pids[w32_num_children++] = (HANDLE)status;
1890 win32_execv(const char *cmdname, const char *const *argv)
1892 return execv(cmdname, (char *const *)argv);
1896 win32_execvp(const char *cmdname, const char *const *argv)
1898 return execvp(cmdname, (char *const *)argv);
1902 win32_perror(const char *str)
1908 win32_setbuf(FILE *pf, char *buf)
1914 win32_setvbuf(FILE *pf, char *buf, int type, size_t size)
1916 return setvbuf(pf, buf, type, size);
1920 win32_flushall(void)
1926 win32_fcloseall(void)
1932 win32_fgets(char *s, int n, FILE *pf)
1934 return fgets(s, n, pf);
1944 win32_fgetc(FILE *pf)
1950 win32_putc(int c, FILE *pf)
1956 win32_puts(const char *s)
1968 win32_putchar(int c)
1975 #ifndef USE_PERL_SBRK
1977 static char *committed = NULL;
1978 static char *base = NULL;
1979 static char *reserved = NULL;
1980 static char *brk = NULL;
1981 static DWORD pagesize = 0;
1982 static DWORD allocsize = 0;
1990 GetSystemInfo(&info);
1991 /* Pretend page size is larger so we don't perpetually
1992 * call the OS to commit just one page ...
1994 pagesize = info.dwPageSize << 3;
1995 allocsize = info.dwAllocationGranularity;
1997 /* This scheme fails eventually if request for contiguous
1998 * block is denied so reserve big blocks - this is only
1999 * address space not memory ...
2001 if (brk+need >= reserved)
2003 DWORD size = 64*1024*1024;
2005 if (committed && reserved && committed < reserved)
2007 /* Commit last of previous chunk cannot span allocations */
2008 addr = (char *) VirtualAlloc(committed,reserved-committed,MEM_COMMIT,PAGE_READWRITE);
2010 committed = reserved;
2012 /* Reserve some (more) space
2013 * Note this is a little sneaky, 1st call passes NULL as reserved
2014 * so lets system choose where we start, subsequent calls pass
2015 * the old end address so ask for a contiguous block
2017 addr = (char *) VirtualAlloc(reserved,size,MEM_RESERVE,PAGE_NOACCESS);
2020 reserved = addr+size;
2035 if (brk > committed)
2037 DWORD size = ((brk-committed + pagesize -1)/pagesize) * pagesize;
2038 char *addr = (char *) VirtualAlloc(committed,size,MEM_COMMIT,PAGE_READWRITE);
2053 win32_malloc(size_t size)
2055 return malloc(size);
2059 win32_calloc(size_t numitems, size_t size)
2061 return calloc(numitems,size);
2065 win32_realloc(void *block, size_t size)
2067 return realloc(block,size);
2071 win32_free(void *block)
2078 win32_open_osfhandle(long handle, int flags)
2080 return _open_osfhandle(handle, flags);
2084 win32_get_osfhandle(int fd)
2086 return _get_osfhandle(fd);
2097 SV *sv = sv_newmortal();
2098 /* Make one call with zero size - return value is required size */
2099 DWORD len = GetCurrentDirectory((DWORD)0,NULL);
2100 SvUPGRADE(sv,SVt_PV);
2102 SvCUR(sv) = GetCurrentDirectory((DWORD) SvLEN(sv), SvPVX(sv));
2105 * then it worked, set PV valid,
2106 * else leave it 'undef'
2120 croak("usage: Win32::SetCurrentDirectory($cwd)");
2121 if (SetCurrentDirectory(SvPV(ST(0),PL_na)))
2128 XS(w32_GetNextAvailDrive)
2132 char root[] = "_:\\";
2135 if (GetDriveType(root) == 1) {
2144 XS(w32_GetLastError)
2147 XSRETURN_IV(GetLastError());
2154 char *name = getlogin_buffer;
2155 DWORD size = sizeof(getlogin_buffer);
2156 if (GetUserName(name,&size)) {
2157 /* size includes NULL */
2158 ST(0) = sv_2mortal(newSVpv(name,size-1));
2168 char name[MAX_COMPUTERNAME_LENGTH+1];
2169 DWORD size = sizeof(name);
2170 if (GetComputerName(name,&size)) {
2171 /* size does NOT include NULL :-( */
2172 ST(0) = sv_2mortal(newSVpv(name,size));
2183 #ifndef HAS_NETWKSTAGETINFO
2184 /* mingw32 (and Win95) don't have NetWksta*(), so do it the old way */
2186 DWORD size = sizeof(name);
2187 if (GetUserName(name,&size)) {
2189 DWORD sidlen = sizeof(sid);
2191 DWORD dnamelen = sizeof(dname);
2193 if (LookupAccountName(NULL, name, (PSID)&sid, &sidlen,
2194 dname, &dnamelen, &snu)) {
2195 XSRETURN_PV(dname); /* all that for this */
2199 /* this way is more reliable, in case user has a local account.
2200 * XXX need dynamic binding of netapi32.dll symbols or this will fail on
2201 * Win95. Probably makes more sense to move it into libwin32. */
2203 DWORD dnamelen = sizeof(dname);
2204 PWKSTA_INFO_100 pwi;
2205 if (NERR_Success == NetWkstaGetInfo(NULL, 100, (LPBYTE*)&pwi)) {
2206 if (pwi->wki100_langroup && *(pwi->wki100_langroup)) {
2207 WideCharToMultiByte(CP_ACP, NULL, pwi->wki100_langroup,
2208 -1, (LPSTR)dname, dnamelen, NULL, NULL);
2211 WideCharToMultiByte(CP_ACP, NULL, pwi->wki100_computername,
2212 -1, (LPSTR)dname, dnamelen, NULL, NULL);
2214 NetApiBufferFree(pwi);
2226 DWORD flags, filecomplen;
2227 if (GetVolumeInformation(NULL, NULL, 0, NULL, &filecomplen,
2228 &flags, fsname, sizeof(fsname))) {
2229 if (GIMME == G_ARRAY) {
2230 XPUSHs(sv_2mortal(newSVpv(fsname,0)));
2231 XPUSHs(sv_2mortal(newSViv(flags)));
2232 XPUSHs(sv_2mortal(newSViv(filecomplen)));
2236 XSRETURN_PV(fsname);
2242 XS(w32_GetOSVersion)
2245 OSVERSIONINFO osver;
2247 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
2248 if (GetVersionEx(&osver)) {
2249 XPUSHs(newSVpv(osver.szCSDVersion, 0));
2250 XPUSHs(newSViv(osver.dwMajorVersion));
2251 XPUSHs(newSViv(osver.dwMinorVersion));
2252 XPUSHs(newSViv(osver.dwBuildNumber));
2253 XPUSHs(newSViv(osver.dwPlatformId));
2264 XSRETURN_IV(IsWinNT());
2271 XSRETURN_IV(IsWin95());
2275 XS(w32_FormatMessage)
2282 croak("usage: Win32::FormatMessage($errno)");
2284 if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
2285 &source, SvIV(ST(0)), 0,
2286 msgbuf, sizeof(msgbuf)-1, NULL))
2287 XSRETURN_PV(msgbuf);
2297 PROCESS_INFORMATION stProcInfo;
2298 STARTUPINFO stStartInfo;
2299 BOOL bSuccess = FALSE;
2302 croak("usage: Win32::Spawn($cmdName, $args, $PID)");
2304 cmd = SvPV(ST(0),PL_na);
2305 args = SvPV(ST(1), PL_na);
2307 memset(&stStartInfo, 0, sizeof(stStartInfo)); /* Clear the block */
2308 stStartInfo.cb = sizeof(stStartInfo); /* Set the structure size */
2309 stStartInfo.dwFlags = STARTF_USESHOWWINDOW; /* Enable wShowWindow control */
2310 stStartInfo.wShowWindow = SW_SHOWMINNOACTIVE; /* Start min (normal) */
2313 cmd, /* Image path */
2314 args, /* Arguments for command line */
2315 NULL, /* Default process security */
2316 NULL, /* Default thread security */
2317 FALSE, /* Must be TRUE to use std handles */
2318 NORMAL_PRIORITY_CLASS, /* No special scheduling */
2319 NULL, /* Inherit our environment block */
2320 NULL, /* Inherit our currrent directory */
2321 &stStartInfo, /* -> Startup info */
2322 &stProcInfo)) /* <- Process info (if OK) */
2324 CloseHandle(stProcInfo.hThread);/* library source code does this. */
2325 sv_setiv(ST(2), stProcInfo.dwProcessId);
2328 XSRETURN_IV(bSuccess);
2332 XS(w32_GetTickCount)
2335 XSRETURN_IV(GetTickCount());
2339 XS(w32_GetShortPathName)
2346 croak("usage: Win32::GetShortPathName($longPathName)");
2348 shortpath = sv_mortalcopy(ST(0));
2349 SvUPGRADE(shortpath, SVt_PV);
2350 /* src == target is allowed */
2352 len = GetShortPathName(SvPVX(shortpath),
2355 } while (len >= SvLEN(shortpath) && sv_grow(shortpath,len+1));
2357 SvCUR_set(shortpath,len);
2361 ST(0) = &PL_sv_undef;
2370 croak("usage: Win32::Sleep($milliseconds)");
2376 Perl_init_os_extras()
2378 char *file = __FILE__;
2381 w32_perlshell_tokens = Nullch;
2382 w32_perlshell_items = -1;
2383 w32_fdpid = newAV(); /* XXX needs to be in Perl_win32_init()? */
2384 #ifndef USE_RTL_WAIT
2385 w32_num_children = 0;
2388 /* these names are Activeware compatible */
2389 newXS("Win32::GetCwd", w32_GetCwd, file);
2390 newXS("Win32::SetCwd", w32_SetCwd, file);
2391 newXS("Win32::GetNextAvailDrive", w32_GetNextAvailDrive, file);
2392 newXS("Win32::GetLastError", w32_GetLastError, file);
2393 newXS("Win32::LoginName", w32_LoginName, file);
2394 newXS("Win32::NodeName", w32_NodeName, file);
2395 newXS("Win32::DomainName", w32_DomainName, file);
2396 newXS("Win32::FsType", w32_FsType, file);
2397 newXS("Win32::GetOSVersion", w32_GetOSVersion, file);
2398 newXS("Win32::IsWinNT", w32_IsWinNT, file);
2399 newXS("Win32::IsWin95", w32_IsWin95, file);
2400 newXS("Win32::FormatMessage", w32_FormatMessage, file);
2401 newXS("Win32::Spawn", w32_Spawn, file);
2402 newXS("Win32::GetTickCount", w32_GetTickCount, file);
2403 newXS("Win32::GetShortPathName", w32_GetShortPathName, file);
2404 newXS("Win32::Sleep", w32_Sleep, file);
2406 /* XXX Bloat Alert! The following Activeware preloads really
2407 * ought to be part of Win32::Sys::*, so they're not included
2410 /* LookupAccountName
2412 * InitiateSystemShutdown
2413 * AbortSystemShutdown
2414 * ExpandEnvrironmentStrings
2419 Perl_win32_init(int *argcp, char ***argvp)
2421 /* Disable floating point errors, Perl will trap the ones we
2422 * care about. VC++ RTL defaults to switching these off
2423 * already, but the Borland RTL doesn't. Since we don't
2424 * want to be at the vendor's whim on the default, we set
2425 * it explicitly here.
2427 #if !defined(_ALPHA_) && !defined(__GNUC__)
2428 _control87(MCW_EM, MCW_EM);
2433 #ifdef USE_BINMODE_SCRIPTS
2436 win32_strip_return(SV *sv)
2438 char *s = SvPVX(sv);
2439 char *e = s+SvCUR(sv);
2443 if (*s == '\r' && s[1] == '\n')
2453 SvCUR_set(sv,d-SvPVX(sv));