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-rw-r--r--win32/win32.c1137
1 files changed, 1137 insertions, 0 deletions
diff --git a/win32/win32.c b/win32/win32.c
new file mode 100644
index 0000000000..7fb04166c2
--- /dev/null
+++ b/win32/win32.c
@@ -0,0 +1,1137 @@
+/* WIN32.C
+ *
+ * (c) 1995 Microsoft Corporation. All rights reserved.
+ * Developed by hip communications inc., http://info.hip.com/info/
+ * Portions (c) 1993 Intergraph Corporation. All rights reserved.
+ *
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Artistic License, as specified in the README file.
+ */
+
+#define WIN32_LEAN_AND_MEAN
+#define WIN32IO_IS_STDIO
+#include <tchar.h>
+#include <windows.h>
+
+/* #include "config.h" */
+
+#define PERLIO_NOT_STDIO 0
+#if !defined(PERLIO_IS_STDIO) && !defined(USE_SFIO)
+#define PerlIO FILE
+#endif
+
+#include "EXTERN.h"
+#include "perl.h"
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <assert.h>
+#include <string.h>
+#include <stdarg.h>
+
+#define CROAK croak
+#define WARN warn
+
+static DWORD IdOS(void);
+
+extern WIN32_IOSUBSYSTEM win32stdio;
+__declspec(thread) PWIN32_IOSUBSYSTEM pIOSubSystem = &win32stdio;
+/*__declspec(thread) PWIN32_IOSUBSYSTEM pIOSubSystem = NULL;*/
+
+BOOL ProbeEnv = FALSE;
+DWORD Win32System = (DWORD)-1;
+char szShellPath[MAX_PATH+1];
+char szPerlLibRoot[MAX_PATH+1];
+HANDLE PerlDllHandle = INVALID_HANDLE_VALUE;
+
+int
+IsWin95(void) {
+ return (IdOS() == VER_PLATFORM_WIN32_WINDOWS);
+}
+
+int
+IsWinNT(void) {
+ return (IdOS() == VER_PLATFORM_WIN32_NT);
+}
+
+void *
+SetIOSubSystem(void *p)
+{
+ PWIN32_IOSUBSYSTEM old = pIOSubSystem;
+ if (p) {
+ PWIN32_IOSUBSYSTEM pio = (PWIN32_IOSUBSYSTEM)p;
+ if (pio->signature_begin == 12345678L
+ && pio->signature_end == 87654321L) {
+ pIOSubSystem = pio;
+ }
+ }
+ else {
+ pIOSubSystem = &win32stdio;
+ }
+ return old;
+}
+
+char *
+win32PerlLibPath(void)
+{
+ char *end;
+ GetModuleFileName((PerlDllHandle == INVALID_HANDLE_VALUE)
+ ? GetModuleHandle(NULL)
+ : PerlDllHandle,
+ szPerlLibRoot,
+ sizeof(szPerlLibRoot));
+
+ *(end = strrchr(szPerlLibRoot, '\\')) = '\0';
+ if (stricmp(end-4,"\\bin") == 0)
+ end -= 4;
+ strcpy(end,"\\lib");
+ return (szPerlLibRoot);
+}
+
+BOOL
+HasRedirection(char *ptr)
+{
+ int inquote = 0;
+ char quote = '\0';
+
+ /*
+ * Scan string looking for redirection (< or >) or pipe
+ * characters (|) that are not in a quoted string
+ */
+ while(*ptr) {
+ switch(*ptr) {
+ case '\'':
+ case '\"':
+ if(inquote) {
+ if(quote == *ptr) {
+ inquote = 0;
+ quote = '\0';
+ }
+ }
+ else {
+ quote = *ptr;
+ inquote++;
+ }
+ break;
+ case '>':
+ case '<':
+ case '|':
+ if(!inquote)
+ return TRUE;
+ default:
+ break;
+ }
+ ++ptr;
+ }
+ return FALSE;
+}
+
+/* since the current process environment is being updated in util.c
+ * the library functions will get the correct environment
+ */
+PerlIO *
+my_popen(char *cmd, char *mode)
+{
+#ifdef FIXCMD
+#define fixcmd(x) { \
+ char *pspace = strchr((x),' '); \
+ if (pspace) { \
+ char *p = (x); \
+ while (p < pspace) { \
+ if (*p == '/') \
+ *p = '\\'; \
+ p++; \
+ } \
+ } \
+ }
+#else
+#define fixcmd(x)
+#endif
+
+#if 1
+/* was #ifndef PERLDLL, but the #else stuff doesn't work on NT
+ * GSAR 97/03/13
+ */
+ fixcmd(cmd);
+ return win32_popen(cmd, mode);
+#else
+/*
+ * There seems to be some problems for the _popen call in a DLL
+ * this trick at the moment seems to work but it is never test
+ * on NT yet
+ *
+ */
+# ifdef __cplusplus
+#define EXT_C_FUNC extern "C"
+# else
+#define EXT_C_FUNC extern
+# endif
+
+ EXT_C_FUNC int __cdecl _set_osfhnd(int fh, long value);
+ EXT_C_FUNC void __cdecl _lock_fhandle(int);
+ EXT_C_FUNC void __cdecl _unlock_fhandle(int);
+
+ BOOL fSuccess;
+ PerlIO *pf; /* to store the _popen return value */
+ int tm = 0; /* flag indicating tDllExport or binary mode */
+ int fhNeeded, fhInherited, fhDup;
+ int ineeded, iinherited;
+ DWORD dwDup;
+ int phdls[2]; /* I/O handles for pipe */
+ HANDLE hPIn, hPOut, hPErr,
+ hSaveStdin, hSaveStdout, hSaveStderr,
+ hPNeeded, hPInherited, hPDuped;
+
+ /* first check for errors in the arguments */
+ if ( (cmd == NULL) || (mode == NULL)
+ || ((*mode != 'w') && (*mode != _T('r'))) )
+ goto error1;
+
+ if ( *(mode + 1) == _T('t') )
+ tm = _O_TEXT;
+ else if ( *(mode + 1) == _T('b') )
+ tm = _O_BINARY;
+ else
+ tm = (*mode == 'w' ? _O_BINARY : _O_TEXT);
+
+
+ fixcmd(cmd);
+ if (&win32stdio != pIOSubSystem)
+ return win32_popen(cmd, mode);
+
+#ifdef EFG
+ if ( _pipe( phdls, 1024, tm ) == -1 )
+#else
+ if ( win32_pipe( phdls, 1024, tm ) == -1 )
+#endif
+ goto error1;
+
+ /* save the current situation */
+ hSaveStdin = GetStdHandle(STD_INPUT_HANDLE);
+ hSaveStdout = GetStdHandle(STD_OUTPUT_HANDLE);
+ hSaveStderr = GetStdHandle(STD_ERROR_HANDLE);
+
+ if (*mode == _T('w')) {
+ ineeded = 1;
+ dwDup = STD_INPUT_HANDLE;
+ iinherited = 0;
+ }
+ else {
+ ineeded = 0;
+ dwDup = STD_OUTPUT_HANDLE;
+ iinherited = 1;
+ }
+
+ fhNeeded = phdls[ineeded];
+ fhInherited = phdls[iinherited];
+
+ fSuccess = DuplicateHandle(GetCurrentProcess(),
+ (HANDLE) stolen_get_osfhandle(fhNeeded),
+ GetCurrentProcess(),
+ &hPNeeded,
+ 0,
+ FALSE, /* not inherited */
+ DUPLICATE_SAME_ACCESS);
+
+ if (!fSuccess)
+ goto error2;
+
+ fhDup = stolen_open_osfhandle((long) hPNeeded, tm);
+ win32_dup2(fhDup, fhNeeded);
+ win32_close(fhDup);
+
+#ifdef AAA
+ /* Close the Out pipe, child won't need it */
+ hPDuped = (HANDLE) stolen_get_osfhandle(fhNeeded);
+
+ _lock_fhandle(fhNeeded);
+ _set_osfhnd(fhNeeded, (long)hPNeeded); /* put in ours duplicated one */
+ _unlock_fhandle(fhNeeded);
+
+ CloseHandle(hPDuped); /* close the handle first */
+#endif
+
+ if (!SetStdHandle(dwDup, (HANDLE) stolen_get_osfhandle(fhInherited)))
+ goto error2;
+
+ /*
+ * make sure the child see the same stderr as the calling program
+ */
+ if (!SetStdHandle(STD_ERROR_HANDLE,
+ (HANDLE)stolen_get_osfhandle(win32_fileno(win32_stderr()))))
+ goto error2;
+
+ pf = win32_popen(cmd, mode); /* ask _popen to do the job */
+
+ /* restore to where we were */
+ SetStdHandle(STD_INPUT_HANDLE, hSaveStdin);
+ SetStdHandle(STD_OUTPUT_HANDLE, hSaveStdout);
+ SetStdHandle(STD_ERROR_HANDLE, hSaveStderr);
+
+ /* we don't need it any more, that's for the child */
+ win32_close(fhInherited);
+
+ if (NULL == pf) {
+ /* something wrong */
+ win32_close(fhNeeded);
+ goto error1;
+ }
+ else {
+ /*
+ * here we steal the file handle in pf and stuff ours in
+ */
+ win32_dup2(fhNeeded, win32_fileno(pf));
+ win32_close(fhNeeded);
+ }
+ return (pf);
+
+error2:
+ win32_close(fhNeeded);
+ win32_close(fhInherited);
+
+error1:
+ return (NULL);
+
+#endif
+}
+
+long
+my_pclose(PerlIO *fp)
+{
+ return win32_pclose(fp);
+}
+
+static DWORD
+IdOS(void)
+{
+ static OSVERSIONINFO osver;
+
+ if (osver.dwPlatformId != Win32System) {
+ memset(&osver, 0, sizeof(OSVERSIONINFO));
+ osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+ GetVersionEx(&osver);
+ Win32System = osver.dwPlatformId;
+ }
+ return (Win32System);
+}
+
+static char *
+GetShell(void)
+{
+ static char* szWin95ShellEntry = "Win95Shell";
+ static char* szWin95DefaultShell = "Cmd32.exe";
+ static char* szWinNTDefaultShell = "cmd.exe";
+
+ if (!ProbeEnv) {
+ ProbeEnv = TRUE;
+ if (IsWin95()) {
+ strcpy(szShellPath, szWin95DefaultShell);
+ }
+ else {
+ strcpy(szShellPath, szWinNTDefaultShell);
+ }
+ }
+ return szShellPath;
+}
+
+int
+do_aspawn(void* really, void** mark, void** arglast)
+{
+ char **argv;
+ char *strPtr;
+ char *cmd;
+ int status;
+ unsigned int length;
+ int index = 0;
+ SV *sv = (SV*)really;
+ SV** pSv = (SV**)mark;
+
+ New(1310, argv, (arglast - mark) + 4, char*);
+
+ if(sv != Nullsv) {
+ cmd = SvPV(sv, length);
+ }
+ else {
+ argv[index++] = cmd = GetShell();
+ argv[index++] = "/x"; /* always enable command extensions */
+ argv[index++] = "/c";
+ }
+
+ while(++pSv <= (SV**)arglast) {
+ sv = *pSv;
+ strPtr = SvPV(sv, length);
+ if(strPtr != NULL && *strPtr != '\0')
+ argv[index++] = strPtr;
+ }
+ argv[index++] = 0;
+
+ status = win32_spawnvpe(P_WAIT, cmd, (const char* const*)argv,
+ (const char* const*)environ);
+
+ Safefree(argv);
+
+ if (status < 0) {
+ if (dowarn)
+ warn("Can't spawn \"%s\": %s", cmd, strerror(errno));
+ status = 255 << 8;
+ }
+ return (status);
+}
+
+int
+do_spawn(char *cmd)
+{
+ char **a;
+ char *s;
+ char **argv;
+ int status = -1;
+ BOOL needToTry = TRUE;
+ char *shell, *cmd2;
+
+ /* save an extra exec if possible */
+ shell = GetShell();
+
+ /* see if there are shell metacharacters in it */
+ if(!HasRedirection(cmd)) {
+ New(1301,argv, strlen(cmd) / 2 + 2, char*);
+ New(1302,cmd2, strlen(cmd) + 1, char);
+ strcpy(cmd2, cmd);
+ a = argv;
+ for (s = cmd2; *s;) {
+ while (*s && isspace(*s))
+ s++;
+ if (*s)
+ *(a++) = s;
+ while(*s && !isspace(*s))
+ s++;
+ if(*s)
+ *s++ = '\0';
+ }
+ *a = Nullch;
+ if(argv[0]) {
+ status = win32_spawnvpe(P_WAIT,
+ argv[0],
+ (const char* const*)argv,
+ (const char* const*)environ);
+ if(status != -1 || errno == 0)
+ needToTry = FALSE;
+ }
+ Safefree(argv);
+ Safefree(cmd2);
+ }
+ if(needToTry) {
+ status = win32_spawnle(P_WAIT,
+ shell,
+ shell,
+ "/x",
+ "/c", cmd, (char*)0, environ);
+ }
+ if (status < 0) {
+ if (dowarn)
+ warn("Can't spawn \"%s\": %s", needToTry ? shell : argv[0],
+ strerror(errno));
+ status = 255 << 8;
+ }
+ return (status);
+}
+
+
+#define PATHLEN 1024
+
+/* The idea here is to read all the directory names into a string table
+ * (separated by nulls) and when one of the other dir functions is called
+ * return the pointer to the current file name.
+ */
+DIR *
+opendir(char *filename)
+{
+ DIR *p;
+ long len;
+ long idx;
+ char scannamespc[PATHLEN];
+ char *scanname = scannamespc;
+ struct stat sbuf;
+ WIN32_FIND_DATA FindData;
+ HANDLE fh;
+/* char root[_MAX_PATH];*/
+/* char volname[_MAX_PATH];*/
+/* DWORD serial, maxname, flags;*/
+/* BOOL downcase;*/
+/* char *dummy;*/
+
+ /* check to see if filename is a directory */
+ if(stat(filename, &sbuf) < 0 || sbuf.st_mode & _S_IFDIR == 0) {
+ return NULL;
+ }
+
+ /* get the file system characteristics */
+/* if(GetFullPathName(filename, MAX_PATH, root, &dummy)) {
+ * if(dummy = strchr(root, '\\'))
+ * *++dummy = '\0';
+ * if(GetVolumeInformation(root, volname, MAX_PATH, &serial,
+ * &maxname, &flags, 0, 0)) {
+ * downcase = !(flags & FS_CASE_IS_PRESERVED);
+ * }
+ * }
+ * else {
+ * downcase = TRUE;
+ * }
+ */
+ /* Get us a DIR structure */
+ Newz(1303, p, 1, DIR);
+ if(p == NULL)
+ return NULL;
+
+ /* Create the search pattern */
+ strcpy(scanname, filename);
+
+ if(index("/\\", *(scanname + strlen(scanname) - 1)) == NULL)
+ strcat(scanname, "/*");
+ else
+ strcat(scanname, "*");
+
+ /* do the FindFirstFile call */
+ fh = FindFirstFile(scanname, &FindData);
+ if(fh == INVALID_HANDLE_VALUE) {
+ return NULL;
+ }
+
+ /* now allocate the first part of the string table for
+ * the filenames that we find.
+ */
+ idx = strlen(FindData.cFileName)+1;
+ New(1304, p->start, idx, char);
+ if(p->start == NULL) {
+ CROAK("opendir: malloc failed!\n");
+ }
+ strcpy(p->start, FindData.cFileName);
+/* if(downcase)
+ * strlwr(p->start);
+ */
+ p->nfiles++;
+
+ /* loop finding all the files that match the wildcard
+ * (which should be all of them in this directory!).
+ * the variable idx should point one past the null terminator
+ * of the previous string found.
+ */
+ while (FindNextFile(fh, &FindData)) {
+ len = strlen(FindData.cFileName);
+ /* bump the string table size by enough for the
+ * new name and it's null terminator
+ */
+ Renew(p->start, idx+len+1, char);
+ if(p->start == NULL) {
+ CROAK("opendir: malloc failed!\n");
+ }
+ strcpy(&p->start[idx], FindData.cFileName);
+/* if (downcase)
+ * strlwr(&p->start[idx]);
+ */
+ p->nfiles++;
+ idx += len+1;
+ }
+ FindClose(fh);
+ p->size = idx;
+ p->curr = p->start;
+ return p;
+}
+
+
+/* Readdir just returns the current string pointer and bumps the
+ * string pointer to the nDllExport entry.
+ */
+struct direct *
+readdir(DIR *dirp)
+{
+ int len;
+ static int dummy = 0;
+
+ if (dirp->curr) {
+ /* first set up the structure to return */
+ len = strlen(dirp->curr);
+ strcpy(dirp->dirstr.d_name, dirp->curr);
+ dirp->dirstr.d_namlen = len;
+
+ /* Fake an inode */
+ dirp->dirstr.d_ino = dummy++;
+
+ /* Now set up for the nDllExport call to readdir */
+ dirp->curr += len + 1;
+ if (dirp->curr >= (dirp->start + dirp->size)) {
+ dirp->curr = NULL;
+ }
+
+ return &(dirp->dirstr);
+ }
+ else
+ return NULL;
+}
+
+/* Telldir returns the current string pointer position */
+long
+telldir(DIR *dirp)
+{
+ return (long) dirp->curr;
+}
+
+
+/* Seekdir moves the string pointer to a previously saved position
+ *(Saved by telldir).
+ */
+void
+seekdir(DIR *dirp, long loc)
+{
+ dirp->curr = (char *)loc;
+}
+
+/* Rewinddir resets the string pointer to the start */
+void
+rewinddir(DIR *dirp)
+{
+ dirp->curr = dirp->start;
+}
+
+/* free the memory allocated by opendir */
+int
+closedir(DIR *dirp)
+{
+ Safefree(dirp->start);
+ Safefree(dirp);
+ return 1;
+}
+
+
+/*
+ * various stubs
+ */
+
+
+/* Ownership
+ *
+ * Just pretend that everyone is a superuser. NT will let us know if
+ * we don\'t really have permission to do something.
+ */
+
+#define ROOT_UID ((uid_t)0)
+#define ROOT_GID ((gid_t)0)
+
+uid_t
+getuid(void)
+{
+ return ROOT_UID;
+}
+
+uid_t
+geteuid(void)
+{
+ return ROOT_UID;
+}
+
+gid_t
+getgid(void)
+{
+ return ROOT_GID;
+}
+
+gid_t
+getegid(void)
+{
+ return ROOT_GID;
+}
+
+int
+setuid(uid_t uid)
+{
+ return (uid == ROOT_UID ? 0 : -1);
+}
+
+int
+setgid(gid_t gid)
+{
+ return (gid == ROOT_GID ? 0 : -1);
+}
+
+/*
+ * pretended kill
+ */
+int
+kill(int pid, int sig)
+{
+ HANDLE hProcess= OpenProcess(PROCESS_ALL_ACCESS, TRUE, pid);
+
+ if (hProcess == NULL) {
+ CROAK("kill process failed!\n");
+ }
+ else {
+ if (!TerminateProcess(hProcess, sig))
+ CROAK("kill process failed!\n");
+ CloseHandle(hProcess);
+ }
+ return 0;
+}
+
+/*
+ * File system stuff
+ */
+
+int
+ioctl(int i, unsigned int u, char *data)
+{
+ CROAK("ioctl not implemented!\n");
+ return -1;
+}
+
+unsigned int
+sleep(unsigned int t)
+{
+ Sleep(t*1000);
+ return 0;
+}
+
+
+#undef rename
+
+int
+myrename(char *OldFileName, char *newname)
+{
+ if(_access(newname, 0) != -1) { /* file exists */
+ _unlink(newname);
+ }
+ return rename(OldFileName, newname);
+}
+
+
+DllExport int
+win32_stat(const char *path, struct stat *buffer)
+{
+ char t[MAX_PATH];
+ const char *p = path;
+ int l = strlen(path);
+
+ if (l > 1) {
+ switch(path[l - 1]) {
+ case '\\':
+ case '/':
+ if (path[l - 2] != ':') {
+ strncpy(t, path, l - 1);
+ t[l - 1] = 0;
+ p = t;
+ };
+ }
+ }
+ return stat(p, buffer);
+}
+
+#undef times
+int
+mytimes(struct tms *timebuf)
+{
+ clock_t t = clock();
+ timebuf->tms_utime = t;
+ timebuf->tms_stime = 0;
+ timebuf->tms_cutime = 0;
+ timebuf->tms_cstime = 0;
+
+ return 0;
+}
+
+#undef alarm
+unsigned int
+myalarm(unsigned int sec)
+{
+ /* we warn the usuage of alarm function */
+ if (sec != 0)
+ WARN("dummy function alarm called, program might not function as expected\n");
+ return 0;
+}
+
+/*
+ * redirected io subsystem for all XS modules
+ *
+ */
+
+DllExport int *
+win32_errno(void)
+{
+ return (pIOSubSystem->pfnerrno());
+}
+
+DllExport char ***
+win32_environ(void)
+{
+ return (pIOSubSystem->pfnenviron());
+}
+
+/* the rest are the remapped stdio routines */
+DllExport FILE *
+win32_stderr(void)
+{
+ return (pIOSubSystem->pfnstderr());
+}
+
+DllExport FILE *
+win32_stdin(void)
+{
+ return (pIOSubSystem->pfnstdin());
+}
+
+DllExport FILE *
+win32_stdout()
+{
+ return (pIOSubSystem->pfnstdout());
+}
+
+DllExport int
+win32_ferror(FILE *fp)
+{
+ return (pIOSubSystem->pfnferror(fp));
+}
+
+
+DllExport int
+win32_feof(FILE *fp)
+{
+ return (pIOSubSystem->pfnfeof(fp));
+}
+
+/*
+ * Since the errors returned by the socket error function
+ * WSAGetLastError() are not known by the library routine strerror
+ * we have to roll our own.
+ */
+
+__declspec(thread) char strerror_buffer[512];
+
+DllExport char *
+win32_strerror(int e)
+{
+ extern int sys_nerr;
+ DWORD source = 0;
+
+ if(e < 0 || e > sys_nerr) {
+ if(e < 0)
+ e = GetLastError();
+
+ if(FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0,
+ strerror_buffer, sizeof(strerror_buffer), NULL) == 0)
+ strcpy(strerror_buffer, "Unknown Error");
+
+ return strerror_buffer;
+ }
+ return pIOSubSystem->pfnstrerror(e);
+}
+
+DllExport int
+win32_fprintf(FILE *fp, const char *format, ...)
+{
+ va_list marker;
+ va_start(marker, format); /* Initialize variable arguments. */
+
+ return (pIOSubSystem->pfnvfprintf(fp, format, marker));
+}
+
+DllExport int
+win32_printf(const char *format, ...)
+{
+ va_list marker;
+ va_start(marker, format); /* Initialize variable arguments. */
+
+ return (pIOSubSystem->pfnvprintf(format, marker));
+}
+
+DllExport int
+win32_vfprintf(FILE *fp, const char *format, va_list args)
+{
+ return (pIOSubSystem->pfnvfprintf(fp, format, args));
+}
+
+DllExport int
+win32_vprintf(const char *format, va_list args)
+{
+ return (pIOSubSystem->pfnvprintf(format, args));
+}
+
+DllExport size_t
+win32_fread(void *buf, size_t size, size_t count, FILE *fp)
+{
+ return pIOSubSystem->pfnfread(buf, size, count, fp);
+}
+
+DllExport size_t
+win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
+{
+ return pIOSubSystem->pfnfwrite(buf, size, count, fp);
+}
+
+DllExport FILE *
+win32_fopen(const char *filename, const char *mode)
+{
+ if (stricmp(filename, "/dev/null")==0)
+ return pIOSubSystem->pfnfopen("NUL", mode);
+ return pIOSubSystem->pfnfopen(filename, mode);
+}
+
+DllExport FILE *
+win32_fdopen( int handle, const char *mode)
+{
+ return pIOSubSystem->pfnfdopen(handle, mode);
+}
+
+DllExport FILE *
+win32_freopen( const char *path, const char *mode, FILE *stream)
+{
+ if (stricmp(path, "/dev/null")==0)
+ return pIOSubSystem->pfnfreopen("NUL", mode, stream);
+ return pIOSubSystem->pfnfreopen(path, mode, stream);
+}
+
+DllExport int
+win32_fclose(FILE *pf)
+{
+ return pIOSubSystem->pfnfclose(pf);
+}
+
+DllExport int
+win32_fputs(const char *s,FILE *pf)
+{
+ return pIOSubSystem->pfnfputs(s, pf);
+}
+
+DllExport int
+win32_fputc(int c,FILE *pf)
+{
+ return pIOSubSystem->pfnfputc(c,pf);
+}
+
+DllExport int
+win32_ungetc(int c,FILE *pf)
+{
+ return pIOSubSystem->pfnungetc(c,pf);
+}
+
+DllExport int
+win32_getc(FILE *pf)
+{
+ return pIOSubSystem->pfngetc(pf);
+}
+
+DllExport int
+win32_fileno(FILE *pf)
+{
+ return pIOSubSystem->pfnfileno(pf);
+}
+
+DllExport void
+win32_clearerr(FILE *pf)
+{
+ pIOSubSystem->pfnclearerr(pf);
+ return;
+}
+
+DllExport int
+win32_fflush(FILE *pf)
+{
+ return pIOSubSystem->pfnfflush(pf);
+}
+
+DllExport long
+win32_ftell(FILE *pf)
+{
+ return pIOSubSystem->pfnftell(pf);
+}
+
+DllExport int
+win32_fseek(FILE *pf,long offset,int origin)
+{
+ return pIOSubSystem->pfnfseek(pf, offset, origin);
+}
+
+DllExport int
+win32_fgetpos(FILE *pf,fpos_t *p)
+{
+ return pIOSubSystem->pfnfgetpos(pf, p);
+}
+
+DllExport int
+win32_fsetpos(FILE *pf,const fpos_t *p)
+{
+ return pIOSubSystem->pfnfsetpos(pf, p);
+}
+
+DllExport void
+win32_rewind(FILE *pf)
+{
+ pIOSubSystem->pfnrewind(pf);
+ return;
+}
+
+DllExport FILE*
+win32_tmpfile(void)
+{
+ return pIOSubSystem->pfntmpfile();
+}
+
+DllExport void
+win32_abort(void)
+{
+ pIOSubSystem->pfnabort();
+ return;
+}
+
+DllExport int
+win32_fstat(int fd,struct stat *bufptr)
+{
+ return pIOSubSystem->pfnfstat(fd,bufptr);
+}
+
+DllExport int
+win32_pipe(int *pfd, unsigned int size, int mode)
+{
+ return pIOSubSystem->pfnpipe(pfd, size, mode);
+}
+
+DllExport FILE*
+win32_popen(const char *command, const char *mode)
+{
+ return pIOSubSystem->pfnpopen(command, mode);
+}
+
+DllExport int
+win32_pclose(FILE *pf)
+{
+ return pIOSubSystem->pfnpclose(pf);
+}
+
+DllExport int
+win32_setmode(int fd, int mode)
+{
+ return pIOSubSystem->pfnsetmode(fd, mode);
+}
+
+DllExport long
+win32_lseek(int fd, long offset, int origin)
+{
+ return pIOSubSystem->pfnlseek(fd, offset, origin);
+}
+
+DllExport long
+win32_tell(int fd)
+{
+ return pIOSubSystem->pfntell(fd);
+}
+
+DllExport int
+win32_open(const char *path, int flag, ...)
+{
+ va_list ap;
+ int pmode;
+
+ va_start(ap, flag);
+ pmode = va_arg(ap, int);
+ va_end(ap);
+
+ if (stricmp(path, "/dev/null")==0)
+ return pIOSubSystem->pfnopen("NUL", flag, pmode);
+ return pIOSubSystem->pfnopen(path,flag,pmode);
+}
+
+DllExport int
+win32_close(int fd)
+{
+ return pIOSubSystem->pfnclose(fd);
+}
+
+DllExport int
+win32_eof(int fd)
+{
+ return pIOSubSystem->pfneof(fd);
+}
+
+DllExport int
+win32_dup(int fd)
+{
+ return pIOSubSystem->pfndup(fd);
+}
+
+DllExport int
+win32_dup2(int fd1,int fd2)
+{
+ return pIOSubSystem->pfndup2(fd1,fd2);
+}
+
+DllExport int
+win32_read(int fd, char *buf, unsigned int cnt)
+{
+ return pIOSubSystem->pfnread(fd, buf, cnt);
+}
+
+DllExport int
+win32_write(int fd, const char *buf, unsigned int cnt)
+{
+ return pIOSubSystem->pfnwrite(fd, buf, cnt);
+}
+
+DllExport int
+win32_mkdir(const char *dir, int mode)
+{
+ return pIOSubSystem->pfnmkdir(dir); /* just ignore mode */
+}
+
+DllExport int
+win32_rmdir(const char *dir)
+{
+ return pIOSubSystem->pfnrmdir(dir);
+}
+
+DllExport int
+win32_chdir(const char *dir)
+{
+ return pIOSubSystem->pfnchdir(dir);
+}
+
+DllExport int
+win32_spawnvpe(int mode, const char *cmdname,
+ const char *const *argv, const char *const *envp)
+{
+ return pIOSubSystem->pfnspawnvpe(mode, cmdname, argv, envp);
+}
+
+DllExport int
+win32_spawnle(int mode, const char *cmdname, const char *arglist,...)
+{
+ const char* const* envp;
+ const char* const* argp;
+
+ argp = &arglist;
+ while (*argp++) ;
+ envp = (const char* const*)*argp;
+
+ return pIOSubSystem->pfnspawnvpe(mode, cmdname, &arglist, envp);
+}
+
+int
+stolen_open_osfhandle(long handle, int flags)
+{
+ return pIOSubSystem->pfn_open_osfhandle(handle, flags);
+}
+
+long
+stolen_get_osfhandle(int fd)
+{
+ return pIOSubSystem->pfn_get_osfhandle(fd);
+}
+
+/*
+ * Extras.
+ */
+
+DllExport int
+win32_flock(int fd, int oper)
+{
+ if (!IsWinNT()) {
+ croak("flock() unimplemented on this platform");
+ return -1;
+ }
+ return pIOSubSystem->pfnflock(fd, oper);
+}
+