X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=win32%2Fwin32.c;h=721b62ace99480c34488754bfb8faa569e4835bc;hb=b8957cf14d64aac7919c660fa810962ddf2b2dee;hp=6fbe7339c5023b00f679c020606e429d08c4017a;hpb=3e3baf6d63945cb64e829d6e5c70a7d00f3d3d03;p=p5sagit%2Fp5-mst-13.2.git diff --git a/win32/win32.c b/win32/win32.c index 6fbe733..721b62a 100644 --- a/win32/win32.c +++ b/win32/win32.c @@ -11,8 +11,23 @@ #define WIN32_LEAN_AND_MEAN #define WIN32IO_IS_STDIO #include +#ifdef __GNUC__ +#define Win32_Winsock +#endif #include +#ifndef __MINGW32__ +#include +#include +/* ugliness to work around a buggy struct definition in lmwksta.h */ +#undef LPTSTR +#define LPTSTR LPWSTR +#include +#undef LPTSTR +#define LPTSTR LPSTR +#include +#endif /* __MINGW32__ */ + /* #include "config.h" */ #define PERLIO_NOT_STDIO 0 @@ -22,75 +37,259 @@ #include "EXTERN.h" #include "perl.h" + +#define NO_XSLOCKS +#ifdef PERL_OBJECT +extern CPerlObj* pPerl; +#endif +#include "XSUB.h" + +#include "Win32iop.h" #include #include +#ifndef __GNUC__ +/* assert.h conflicts with #define of assert in perl.h */ #include +#endif #include #include +#include +#include +#if defined(_MSC_VER) || defined(__MINGW32__) +#include +#else +#include +#endif -#define CROAK croak -#define WARN warn - -static DWORD IdOS(void); +#ifdef __GNUC__ +/* Mingw32 defaults to globing command line + * So we turn it off like this: + */ +int _CRT_glob = 0; +#endif -extern WIN32_IOSUBSYSTEM win32stdio; -#ifndef __BORLANDC__ /* pointers cannot be declared TLS! */ -__declspec(thread) +#define EXECF_EXEC 1 +#define EXECF_SPAWN 2 +#define EXECF_SPAWN_NOWAIT 3 + +#if defined(PERL_OBJECT) +#undef win32_get_privlib +#define win32_get_privlib g_win32_get_privlib +#undef win32_get_sitelib +#define win32_get_sitelib g_win32_get_sitelib +#undef do_aspawn +#define do_aspawn g_do_aspawn +#undef do_spawn +#define do_spawn g_do_spawn +#undef do_exec +#define do_exec g_do_exec +#undef getlogin +#define getlogin g_getlogin #endif -PWIN32_IOSUBSYSTEM pIOSubSystem = &win32stdio; -BOOL ProbeEnv = FALSE; -DWORD Win32System = (DWORD)-1; -char szShellPath[MAX_PATH+1]; -char szPerlLibRoot[MAX_PATH+1]; -HANDLE PerlDllHandle = INVALID_HANDLE_VALUE; +static DWORD os_id(void); +static void get_shell(void); +static long tokenize(char *str, char **dest, char ***destv); + int do_spawn2(char *cmd, int exectype); +static BOOL has_redirection(char *ptr); +static long filetime_to_clock(PFILETIME ft); +static BOOL filetime_from_time(PFILETIME ft, time_t t); +static char * get_emd_part(char *leading, char *trailing, ...); +static void remove_dead_process(HANDLE deceased); + +HANDLE w32_perldll_handle = INVALID_HANDLE_VALUE; +static DWORD w32_platform = (DWORD)-1; + +#ifdef USE_THREADS +# ifdef USE_DECLSPEC_THREAD +__declspec(thread) char strerror_buffer[512]; +__declspec(thread) char getlogin_buffer[128]; +__declspec(thread) char w32_perllib_root[MAX_PATH+1]; +# ifdef HAVE_DES_FCRYPT +__declspec(thread) char crypt_buffer[30]; +# endif +# else +# define strerror_buffer (thr->i.Wstrerror_buffer) +# define getlogin_buffer (thr->i.Wgetlogin_buffer) +# define w32_perllib_root (thr->i.Ww32_perllib_root) +# define crypt_buffer (thr->i.Wcrypt_buffer) +# endif +#else +static char strerror_buffer[512]; +static char getlogin_buffer[128]; +static char w32_perllib_root[MAX_PATH+1]; +# ifdef HAVE_DES_FCRYPT +static char crypt_buffer[30]; +# endif +#endif int IsWin95(void) { - return (IdOS() == VER_PLATFORM_WIN32_WINDOWS); + return (os_id() == VER_PLATFORM_WIN32_WINDOWS); } int IsWinNT(void) { - return (IdOS() == VER_PLATFORM_WIN32_NT); + return (os_id() == VER_PLATFORM_WIN32_NT); +} + +char* +GetRegStrFromKey(HKEY hkey, const char *lpszValueName, char** ptr, DWORD* lpDataLen) +{ /* Retrieve a REG_SZ or REG_EXPAND_SZ from the registry */ + HKEY handle; + DWORD type; + const char *subkey = "Software\\Perl"; + long retval; + + retval = RegOpenKeyEx(hkey, subkey, 0, KEY_READ, &handle); + if (retval == ERROR_SUCCESS){ + retval = RegQueryValueEx(handle, lpszValueName, 0, &type, NULL, lpDataLen); + if (retval == ERROR_SUCCESS && type == REG_SZ) { + if (*ptr != NULL) { + Renew(*ptr, *lpDataLen, char); + } + else { + New(1312, *ptr, *lpDataLen, char); + } + retval = RegQueryValueEx(handle, lpszValueName, 0, NULL, (PBYTE)*ptr, lpDataLen); + if (retval != ERROR_SUCCESS) { + Safefree(*ptr); + *ptr = NULL; + } + } + RegCloseKey(handle); + } + return *ptr; } -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; +char* +GetRegStr(const char *lpszValueName, char** ptr, DWORD* lpDataLen) +{ + *ptr = GetRegStrFromKey(HKEY_CURRENT_USER, lpszValueName, ptr, lpDataLen); + if (*ptr == NULL) + { + *ptr = GetRegStrFromKey(HKEY_LOCAL_MACHINE, lpszValueName, ptr, lpDataLen); + } + return *ptr; +} + +static char * +get_emd_part(char *prev_path, char *trailing_path, ...) +{ + va_list ap; + char mod_name[MAX_PATH+1]; + char *ptr; + char *optr; + char *strip; + int oldsize, newsize; + + va_start(ap, trailing_path); + strip = va_arg(ap, char *); + + GetModuleFileName((w32_perldll_handle == INVALID_HANDLE_VALUE) + ? GetModuleHandle(NULL) + : w32_perldll_handle, mod_name, sizeof(mod_name)); + ptr = strrchr(mod_name, '\\'); + while (ptr && strip) { + /* look for directories to skip back */ + optr = ptr; + *ptr = '\0'; + ptr = strrchr(mod_name, '\\'); + if (!ptr || stricmp(ptr+1, strip) != 0) { + *optr = '\\'; + ptr = optr; } + strip = va_arg(ap, char *); + } + if (!ptr) { + ptr = mod_name; + *ptr++ = '.'; + *ptr = '\\'; + } + va_end(ap); + strcpy(++ptr, trailing_path); + + newsize = strlen(mod_name) + 1; + if (prev_path) { + oldsize = strlen(prev_path) + 1; + newsize += oldsize; /* includes plus 1 for ';' */ + Renew(prev_path, newsize, char); + prev_path[oldsize-1] = ';'; + strcpy(&prev_path[oldsize], mod_name); } else { - pIOSubSystem = &win32stdio; + New(1311, prev_path, newsize, char); + strcpy(prev_path, mod_name); } - return old; + + return prev_path; } char * -win32PerlLibPath(void) +win32_get_privlib(char *pl) { - char *end; - GetModuleFileName((PerlDllHandle == INVALID_HANDLE_VALUE) - ? GetModuleHandle(NULL) - : PerlDllHandle, - szPerlLibRoot, - sizeof(szPerlLibRoot)); + char *stdlib = "lib"; + char buffer[MAX_PATH+1]; + char *path = Nullch; + DWORD datalen; + + /* $stdlib = $HKCU{"lib-$]"} || $HKLM{"lib-$]"} || $HKCU{"lib"} || $HKLM{"lib"} || ""; */ + sprintf(buffer, "%s-%s", stdlib, pl); + path = GetRegStr(buffer, &path, &datalen); + if (path == NULL) + path = GetRegStr(stdlib, &path, &datalen); + + /* $stdlib .= ";$EMD/../../lib" */ + return get_emd_part(path, stdlib, ARCHNAME, "bin", Nullch); +} + +char * +win32_get_sitelib(char *pl) +{ + char *sitelib = "sitelib"; + char regstr[40]; + char pathstr[MAX_PATH+1]; + DWORD datalen; + char *path1 = Nullch; + char *path2 = Nullch; + int len, newsize; + + /* $HKCU{"sitelib-$]"} || $HKLM{"sitelib-$]"} . ---; */ + sprintf(regstr, "%s-%s", sitelib, pl); + path1 = GetRegStr(regstr, &path1, &datalen); + + /* $sitelib .= + * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/site/$]/lib"; */ + sprintf(pathstr, "site\\%s\\lib", pl); + path1 = get_emd_part(path1, pathstr, ARCHNAME, "bin", pl, Nullch); + + /* $HKCU{'sitelib'} || $HKLM{'sitelib'} . ---; */ + path2 = GetRegStr(sitelib, &path2, &datalen); + + /* $sitelib .= + * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/site/lib"; */ + path2 = get_emd_part(path2, "site\\lib", ARCHNAME, "bin", pl, Nullch); + + if (!path1) + return path2; + + if (!path2) + return path1; - *(end = strrchr(szPerlLibRoot, '\\')) = '\0'; - if (stricmp(end-4,"\\bin") == 0) - end -= 4; - strcpy(end,"\\lib"); - return (szPerlLibRoot); + len = strlen(path1); + newsize = len + strlen(path2) + 2; /* plus one for ';' */ + + Renew(path1, newsize, char); + path1[len++] = ';'; + strcpy(&path1[len], path2); + + Safefree(path2); + return path1; } -BOOL -HasRedirection(char *ptr) + +static BOOL +has_redirection(char *ptr) { int inquote = 0; char quote = '\0'; @@ -99,12 +298,12 @@ HasRedirection(char *ptr) * Scan string looking for redirection (< or >) or pipe * characters (|) that are not in a quoted string */ - while(*ptr) { + while (*ptr) { switch(*ptr) { case '\'': case '\"': - if(inquote) { - if(quote == *ptr) { + if (inquote) { + if (quote == *ptr) { inquote = 0; quote = '\0'; } @@ -117,7 +316,7 @@ HasRedirection(char *ptr) case '>': case '<': case '|': - if(!inquote) + if (!inquote) return TRUE; default: break; @@ -127,6 +326,7 @@ HasRedirection(char *ptr) return FALSE; } +#if !defined(PERL_OBJECT) /* since the current process environment is being updated in util.c * the library functions will get the correct environment */ @@ -148,156 +348,10 @@ my_popen(char *cmd, char *mode) #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); -#ifdef __BORLANDC__ /* workaround a Borland stdio bug */ win32_fflush(stdout); win32_fflush(stderr); -#endif 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 @@ -305,26 +359,78 @@ my_pclose(PerlIO *fp) { return win32_pclose(fp); } +#endif static DWORD -IdOS(void) +os_id(void) { static OSVERSIONINFO osver; - if (osver.dwPlatformId != Win32System) { + if (osver.dwPlatformId != w32_platform) { memset(&osver, 0, sizeof(OSVERSIONINFO)); osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx(&osver); - Win32System = osver.dwPlatformId; + w32_platform = osver.dwPlatformId; } - return (Win32System); + return (w32_platform); } -static char * -GetShell(void) +/* Tokenize a string. Words are null-separated, and the list + * ends with a doubled null. Any character (except null and + * including backslash) may be escaped by preceding it with a + * backslash (the backslash will be stripped). + * Returns number of words in result buffer. + */ +static long +tokenize(char *str, char **dest, char ***destv) +{ + char *retstart = Nullch; + char **retvstart = 0; + int items = -1; + if (str) { + int slen = strlen(str); + register char *ret; + register char **retv; + New(1307, ret, slen+2, char); + New(1308, retv, (slen+3)/2, char*); + + retstart = ret; + retvstart = retv; + *retv = ret; + items = 0; + while (*str) { + *ret = *str++; + if (*ret == '\\' && *str) + *ret = *str++; + else if (*ret == ' ') { + while (*str == ' ') + str++; + if (ret == retstart) + ret--; + else { + *ret = '\0'; + ++items; + if (*str) + *++retv = ret+1; + } + } + else if (!*str) + ++items; + ret++; + } + retvstart[items] = Nullch; + *ret++ = '\0'; + *ret = '\0'; + } + *dest = retstart; + *destv = retvstart; + return items; +} + +static void +get_shell(void) { - if (!ProbeEnv) { - char* defaultshell = (IsWinNT() ? "cmd.exe" : "command.com"); + if (!w32_perlshell_tokens) { /* we don't use COMSPEC here for two reasons: * 1. the same reason perl on UNIX doesn't use SHELL--rampant and * uncontrolled unportability of the ensuing scripts. @@ -332,72 +438,90 @@ GetShell(void) * interactive use (which is what most programs look in COMSPEC * for). */ - char *usershell = getenv("PERL5SHELL"); - - ProbeEnv = TRUE; - strcpy(szShellPath, usershell ? usershell : defaultshell); + char* defaultshell = (IsWinNT() ? "cmd.exe /x/c" : "command.com /c"); + char *usershell = getenv("PERL5SHELL"); + w32_perlshell_items = tokenize(usershell ? usershell : defaultshell, + &w32_perlshell_tokens, + &w32_perlshell_vec); } - return szShellPath; } int -do_aspawn(void* really, void** mark, void** arglast) +do_aspawn(void *vreally, void **vmark, void **vsp) { + SV *really = (SV*)vreally; + SV **mark = (SV**)vmark; + SV **sp = (SV**)vsp; char **argv; - char *strPtr; - char *cmd; + char *str; int status; - unsigned int length; + int flag = P_WAIT; int index = 0; - SV *sv = (SV*)really; - SV** pSv = (SV**)mark; - New(1310, argv, (arglast - mark) + 4, char*); + if (sp <= mark) + return -1; - if(sv != Nullsv) { - cmd = SvPV(sv, length); - } - else { - argv[index++] = cmd = GetShell(); - argv[index++] = "/x"; /* always enable command extensions */ - argv[index++] = "/c"; + get_shell(); + New(1306, argv, (sp - mark) + w32_perlshell_items + 2, char*); + + if (SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) { + ++mark; + flag = SvIVx(*mark); } - while(++pSv <= (SV**)arglast) { - sv = *pSv; - strPtr = SvPV(sv, length); - if(strPtr != NULL && *strPtr != '\0') - argv[index++] = strPtr; + while (++mark <= sp) { + if (*mark && (str = SvPV(*mark, PL_na))) + argv[index++] = str; + else + argv[index++] = ""; } argv[index++] = 0; - status = win32_spawnvp(P_WAIT, cmd, (const char* const*)argv); - - Safefree(argv); + status = win32_spawnvp(flag, + (const char*)(really ? SvPV(really,PL_na) : argv[0]), + (const char* const*)argv); + + if (status < 0 && errno == ENOEXEC) { + /* possible shell-builtin, invoke with shell */ + int sh_items; + sh_items = w32_perlshell_items; + while (--index >= 0) + argv[index+sh_items] = argv[index]; + while (--sh_items >= 0) + argv[sh_items] = w32_perlshell_vec[sh_items]; + + status = win32_spawnvp(flag, + (const char*)(really ? SvPV(really,PL_na) : argv[0]), + (const char* const*)argv); + } - if (status < 0) { - if (dowarn) - warn("Can't spawn \"%s\": %s", cmd, strerror(errno)); - status = 255 << 8; + if (flag != P_NOWAIT) { + if (status < 0) { + if (PL_dowarn) + warn("Can't spawn \"%s\": %s", argv[0], strerror(errno)); + status = 255 * 256; + } + else + status *= 256; + PL_statusvalue = status; } + Safefree(argv); return (status); } int -do_spawn(char *cmd) +do_spawn2(char *cmd, int exectype) { char **a; char *s; char **argv; int status = -1; BOOL needToTry = TRUE; - char *shell, *cmd2; - - /* save an extra exec if possible */ - shell = GetShell(); + char *cmd2; - /* see if there are shell metacharacters in it */ - if(!HasRedirection(cmd)) { + /* Save an extra exec if possible. See if there are shell + * metacharacters in it */ + if (!has_redirection(cmd)) { New(1301,argv, strlen(cmd) / 2 + 2, char*); New(1302,cmd2, strlen(cmd) + 1, char); strcpy(cmd2, cmd); @@ -407,93 +531,133 @@ do_spawn(char *cmd) s++; if (*s) *(a++) = s; - while(*s && !isspace(*s)) + while (*s && !isspace(*s)) s++; - if(*s) + if (*s) *s++ = '\0'; } *a = Nullch; - if(argv[0]) { - status = win32_spawnvp(P_WAIT, argv[0], (const char* const*)argv); - if(status != -1 || errno == 0) + if (argv[0]) { + switch (exectype) { + case EXECF_SPAWN: + status = win32_spawnvp(P_WAIT, argv[0], + (const char* const*)argv); + break; + case EXECF_SPAWN_NOWAIT: + status = win32_spawnvp(P_NOWAIT, argv[0], + (const char* const*)argv); + break; + case EXECF_EXEC: + status = win32_execvp(argv[0], (const char* const*)argv); + break; + } + if (status != -1 || errno == 0) needToTry = FALSE; } Safefree(argv); Safefree(cmd2); } - if(needToTry) { - char *argv[5]; - argv[0] = shell; argv[1] = "/x"; argv[2] = "/c"; - argv[3] = cmd; argv[4] = Nullch; - status = win32_spawnvp(P_WAIT, argv[0], (const char* const*)argv); + if (needToTry) { + char **argv; + int i = -1; + get_shell(); + New(1306, argv, w32_perlshell_items + 2, char*); + while (++i < w32_perlshell_items) + argv[i] = w32_perlshell_vec[i]; + argv[i++] = cmd; + argv[i] = Nullch; + switch (exectype) { + case EXECF_SPAWN: + status = win32_spawnvp(P_WAIT, argv[0], + (const char* const*)argv); + break; + case EXECF_SPAWN_NOWAIT: + status = win32_spawnvp(P_NOWAIT, argv[0], + (const char* const*)argv); + break; + case EXECF_EXEC: + status = win32_execvp(argv[0], (const char* const*)argv); + break; + } + cmd = argv[0]; + Safefree(argv); } - if (status < 0) { - if (dowarn) - warn("Can't spawn \"%s\": %s", needToTry ? shell : argv[0], - strerror(errno)); - status = 255 << 8; + if (exectype != EXECF_SPAWN_NOWAIT) { + if (status < 0) { + if (PL_dowarn) + warn("Can't %s \"%s\": %s", + (exectype == EXECF_EXEC ? "exec" : "spawn"), + cmd, strerror(errno)); + status = 255 * 256; + } + else + status *= 256; + PL_statusvalue = status; } return (status); } +int +do_spawn(char *cmd) +{ + return do_spawn2(cmd, EXECF_SPAWN); +} + +int +do_spawn_nowait(char *cmd) +{ + return do_spawn2(cmd, EXECF_SPAWN_NOWAIT); +} -#define PATHLEN 1024 +bool +do_exec(char *cmd) +{ + do_spawn2(cmd, EXECF_EXEC); + return FALSE; +} /* 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;*/ +win32_opendir(char *filename) +{ + DIR *p; + long len; + long idx; + char scanname[MAX_PATH+3]; + struct stat sbuf; + WIN32_FIND_DATA FindData; + HANDLE fh; + + len = strlen(filename); + if (len > MAX_PATH) + return NULL; /* check to see if filename is a directory */ - if(stat(filename, &sbuf) < 0 || sbuf.st_mode & S_IFDIR == 0) { - return NULL; + if (win32_stat(filename, &sbuf) < 0 || (sbuf.st_mode & S_IFDIR) == 0) { + /* CRT is buggy on sharenames, so make sure it really isn't */ + DWORD r = GetFileAttributes(filename); + if (r == 0xffffffff || !(r & FILE_ATTRIBUTE_DIRECTORY)) + 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) + if (p == NULL) return NULL; /* Create the search pattern */ strcpy(scanname, filename); - - if(index("/\\", *(scanname + strlen(scanname) - 1)) == NULL) - strcat(scanname, "/*"); - else - strcat(scanname, "*"); + if (scanname[len-1] != '/' && scanname[len-1] != '\\') + scanname[len++] = '/'; + scanname[len++] = '*'; + scanname[len] = '\0'; /* do the FindFirstFile call */ fh = FindFirstFile(scanname, &FindData); - if(fh == INVALID_HANDLE_VALUE) { + if (fh == INVALID_HANDLE_VALUE) { return NULL; } @@ -502,13 +666,9 @@ opendir(char *filename) */ idx = strlen(FindData.cFileName)+1; New(1304, p->start, idx, char); - if(p->start == NULL) { - CROAK("opendir: malloc failed!\n"); - } + 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 @@ -522,20 +682,16 @@ opendir(char *filename) * new name and it's null terminator */ Renew(p->start, idx+len+1, char); - if(p->start == NULL) { - CROAK("opendir: malloc failed!\n"); - } + 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; + p->nfiles++; + idx += len+1; + } + FindClose(fh); + p->size = idx; + p->curr = p->start; + return p; } @@ -543,7 +699,7 @@ opendir(char *filename) * string pointer to the nDllExport entry. */ struct direct * -readdir(DIR *dirp) +win32_readdir(DIR *dirp) { int len; static int dummy = 0; @@ -571,7 +727,7 @@ readdir(DIR *dirp) /* Telldir returns the current string pointer position */ long -telldir(DIR *dirp) +win32_telldir(DIR *dirp) { return (long) dirp->curr; } @@ -581,21 +737,21 @@ telldir(DIR *dirp) *(Saved by telldir). */ void -seekdir(DIR *dirp, long loc) +win32_seekdir(DIR *dirp, long loc) { dirp->curr = (char *)loc; } /* Rewinddir resets the string pointer to the start */ void -rewinddir(DIR *dirp) +win32_rewinddir(DIR *dirp) { dirp->curr = dirp->start; } /* free the memory allocated by opendir */ int -closedir(DIR *dirp) +win32_closedir(DIR *dirp) { Safefree(dirp->start); Safefree(dirp); @@ -642,75 +798,93 @@ getegid(void) } int -setuid(uid_t uid) +setuid(uid_t auid) { - return (uid == ROOT_UID ? 0 : -1); + return (auid == ROOT_UID ? 0 : -1); } int -setgid(gid_t gid) +setgid(gid_t agid) { - return (gid == ROOT_GID ? 0 : -1); + return (agid == ROOT_GID ? 0 : -1); +} + +char * +getlogin(void) +{ + dTHR; + char *buf = getlogin_buffer; + DWORD size = sizeof(getlogin_buffer); + if (GetUserName(buf,&size)) + return buf; + return (char*)NULL; } -/* - * pretended kill - */ int -kill(int pid, int sig) +chown(const char *path, uid_t owner, gid_t group) +{ + /* XXX noop */ + return 0; +} + +static void +remove_dead_process(HANDLE deceased) { +#ifndef USE_RTL_WAIT + int child; + for (child = 0 ; child < w32_num_children ; ++child) { + if (w32_child_pids[child] == deceased) { + Copy(&w32_child_pids[child+1], &w32_child_pids[child], + (w32_num_children-child-1), HANDLE); + w32_num_children--; + break; + } + } +#endif +} + +DllExport int +win32_kill(int pid, int sig) +{ +#ifdef USE_RTL_WAIT HANDLE hProcess= OpenProcess(PROCESS_ALL_ACCESS, TRUE, pid); +#else + HANDLE hProcess = (HANDLE) pid; +#endif if (hProcess == NULL) { - CROAK("kill process failed!\n"); + croak("kill process failed!\n"); } else { if (!TerminateProcess(hProcess, sig)) - CROAK("kill process failed!\n"); + croak("kill process failed!\n"); CloseHandle(hProcess); + + /* WaitForMultipleObjects() on a pid that was killed returns error + * so if we know the pid is gone we remove it from process list */ + remove_dead_process(hProcess); } return 0; } - + /* * File system stuff */ -#if 0 -int -ioctl(int i, unsigned int u, char *data) -{ - CROAK("ioctl not implemented!\n"); - return -1; -} -#endif - -unsigned int -sleep(unsigned int t) +DllExport unsigned int +win32_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]; + char t[MAX_PATH+1]; const char *p = path; int l = strlen(path); + int res; if (l > 1) { switch(path[l - 1]) { @@ -723,32 +897,437 @@ win32_stat(const char *path, struct stat *buffer) }; } } - return stat(p, buffer); + res = stat(p,buffer); +#ifdef __BORLANDC__ + if (res == 0) { + if (S_ISDIR(buffer->st_mode)) + buffer->st_mode |= S_IWRITE | S_IEXEC; + else if (S_ISREG(buffer->st_mode)) { + if (l >= 4 && path[l-4] == '.') { + const char *e = path + l - 3; + if (strnicmp(e,"exe",3) + && strnicmp(e,"bat",3) + && strnicmp(e,"com",3) + && (IsWin95() || strnicmp(e,"cmd",3))) + buffer->st_mode &= ~S_IEXEC; + else + buffer->st_mode |= S_IEXEC; + } + else + buffer->st_mode &= ~S_IEXEC; + } + } +#endif + return res; } -#undef times -int -mytimes(struct tms *timebuf) +#ifndef USE_WIN32_RTL_ENV + +DllExport char * +win32_getenv(const char *name) +{ + static char *curitem = Nullch; + static DWORD curlen = 512; + DWORD needlen; + if (!curitem) + New(1305,curitem,curlen,char); + + needlen = GetEnvironmentVariable(name,curitem,curlen); + if (needlen != 0) { + while (needlen > curlen) { + Renew(curitem,needlen,char); + curlen = needlen; + needlen = GetEnvironmentVariable(name,curitem,curlen); + } + } + else + { + /* allow any environment variables that begin with 'PERL' + to be stored in the registry + */ + if(curitem != NULL) + *curitem = '\0'; + + if (strncmp(name, "PERL", 4) == 0) { + if (curitem != NULL) { + Safefree(curitem); + curitem = NULL; + } + curitem = GetRegStr(name, &curitem, &curlen); + } + } + if(curitem != NULL && *curitem == '\0') + return Nullch; + + return curitem; +} + +#endif + +static long +filetime_to_clock(PFILETIME ft) { - clock_t t = clock(); - timebuf->tms_utime = t; - timebuf->tms_stime = 0; - timebuf->tms_cutime = 0; - timebuf->tms_cstime = 0; + __int64 qw = ft->dwHighDateTime; + qw <<= 32; + qw |= ft->dwLowDateTime; + qw /= 10000; /* File time ticks at 0.1uS, clock at 1mS */ + return (long) qw; +} +DllExport int +win32_times(struct tms *timebuf) +{ + FILETIME user; + FILETIME kernel; + FILETIME dummy; + if (GetProcessTimes(GetCurrentProcess(), &dummy, &dummy, + &kernel,&user)) { + timebuf->tms_utime = filetime_to_clock(&user); + timebuf->tms_stime = filetime_to_clock(&kernel); + timebuf->tms_cutime = 0; + timebuf->tms_cstime = 0; + + } else { + /* That failed - e.g. Win95 fallback to clock() */ + 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) +/* fix utime() so it works on directories in NT + * thanks to Jan Dubois + */ +static BOOL +filetime_from_time(PFILETIME pFileTime, time_t Time) +{ + struct tm *pTM = gmtime(&Time); + SYSTEMTIME SystemTime; + + if (pTM == NULL) + return FALSE; + + SystemTime.wYear = pTM->tm_year + 1900; + SystemTime.wMonth = pTM->tm_mon + 1; + SystemTime.wDay = pTM->tm_mday; + SystemTime.wHour = pTM->tm_hour; + SystemTime.wMinute = pTM->tm_min; + SystemTime.wSecond = pTM->tm_sec; + SystemTime.wMilliseconds = 0; + + return SystemTimeToFileTime(&SystemTime, pFileTime); +} + +DllExport int +win32_utime(const char *filename, struct utimbuf *times) +{ + HANDLE handle; + FILETIME ftCreate; + FILETIME ftAccess; + FILETIME ftWrite; + struct utimbuf TimeBuffer; + + int rc = utime(filename,times); + /* EACCES: path specifies directory or readonly file */ + if (rc == 0 || errno != EACCES /* || !IsWinNT() */) + return rc; + + if (times == NULL) { + times = &TimeBuffer; + time(×->actime); + times->modtime = times->actime; + } + + /* This will (and should) still fail on readonly files */ + handle = CreateFile(filename, GENERIC_READ | GENERIC_WRITE, + FILE_SHARE_READ | FILE_SHARE_DELETE, NULL, + OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL); + if (handle == INVALID_HANDLE_VALUE) + return rc; + + if (GetFileTime(handle, &ftCreate, &ftAccess, &ftWrite) && + filetime_from_time(&ftAccess, times->actime) && + filetime_from_time(&ftWrite, times->modtime) && + SetFileTime(handle, &ftCreate, &ftAccess, &ftWrite)) + { + rc = 0; + } + + CloseHandle(handle); + return rc; +} + +DllExport int +win32_waitpid(int pid, int *status, int flags) { - /* we warn the usuage of alarm function */ - if (sec != 0) - WARN("dummy function alarm called, program might not function as expected\n"); + int rc; + if (pid == -1) + return win32_wait(status); + else { + rc = cwait(status, pid, WAIT_CHILD); + /* cwait() returns differently on Borland */ +#ifdef __BORLANDC__ + if (status) + *status = (((*status >> 8) & 0xff) | ((*status << 8) & 0xff00)); +#endif + remove_dead_process((HANDLE)pid); + } + return rc >= 0 ? pid : rc; +} + +DllExport int +win32_wait(int *status) +{ +#ifdef USE_RTL_WAIT + return wait(status); +#else + /* XXX this wait emulation only knows about processes + * spawned via win32_spawnvp(P_NOWAIT, ...). + */ + int i, retval; + DWORD exitcode, waitcode; + + if (!w32_num_children) { + errno = ECHILD; + return -1; + } + + /* if a child exists, wait for it to die */ + waitcode = WaitForMultipleObjects(w32_num_children, + w32_child_pids, + FALSE, + INFINITE); + if (waitcode != WAIT_FAILED) { + if (waitcode >= WAIT_ABANDONED_0 + && waitcode < WAIT_ABANDONED_0 + w32_num_children) + i = waitcode - WAIT_ABANDONED_0; + else + i = waitcode - WAIT_OBJECT_0; + if (GetExitCodeProcess(w32_child_pids[i], &exitcode) ) { + CloseHandle(w32_child_pids[i]); + *status = (int)((exitcode & 0xff) << 8); + retval = (int)w32_child_pids[i]; + Copy(&w32_child_pids[i+1], &w32_child_pids[i], + (w32_num_children-i-1), HANDLE); + w32_num_children--; + return retval; + } + } + +FAILED: + errno = GetLastError(); + return -1; + +#endif +} + +static UINT timerid = 0; + +static VOID CALLBACK TimerProc(HWND win, UINT msg, UINT id, DWORD time) +{ + KillTimer(NULL,timerid); + timerid=0; + sighandler(14); +} + +DllExport unsigned int +win32_alarm(unsigned int sec) +{ + /* + * the 'obvious' implentation is SetTimer() with a callback + * which does whatever receiving SIGALRM would do + * we cannot use SIGALRM even via raise() as it is not + * one of the supported codes in + * + * Snag is unless something is looking at the message queue + * nothing happens :-( + */ + if (sec) + { + timerid = SetTimer(NULL,timerid,sec*1000,(TIMERPROC)TimerProc); + if (!timerid) + croak("Cannot set timer"); + } + else + { + if (timerid) + { + KillTimer(NULL,timerid); + timerid=0; + } + } return 0; } +#if defined(HAVE_DES_FCRYPT) || defined(PERL_OBJECT) +#ifdef HAVE_DES_FCRYPT +extern char * des_fcrypt(char *cbuf, const char *txt, const char *salt); +#endif + +DllExport char * +win32_crypt(const char *txt, const char *salt) +{ +#ifdef HAVE_DES_FCRYPT + dTHR; + return des_fcrypt(crypt_buffer, txt, salt); +#else + die("The crypt() function is unimplemented due to excessive paranoia."); + return Nullch; +#endif +} +#endif + +#ifdef USE_FIXED_OSFHANDLE + +EXTERN_C int __cdecl _alloc_osfhnd(void); +EXTERN_C int __cdecl _set_osfhnd(int fh, long value); +EXTERN_C void __cdecl _lock_fhandle(int); +EXTERN_C void __cdecl _unlock_fhandle(int); +EXTERN_C void __cdecl _unlock(int); + +#if (_MSC_VER >= 1000) +typedef struct { + long osfhnd; /* underlying OS file HANDLE */ + char osfile; /* attributes of file (e.g., open in text mode?) */ + char pipech; /* one char buffer for handles opened on pipes */ +#if defined (_MT) && !defined (DLL_FOR_WIN32S) + int lockinitflag; + CRITICAL_SECTION lock; +#endif /* defined (_MT) && !defined (DLL_FOR_WIN32S) */ +} ioinfo; + +EXTERN_C ioinfo * __pioinfo[]; + +#define IOINFO_L2E 5 +#define IOINFO_ARRAY_ELTS (1 << IOINFO_L2E) +#define _pioinfo(i) (__pioinfo[i >> IOINFO_L2E] + (i & (IOINFO_ARRAY_ELTS - 1))) +#define _osfile(i) (_pioinfo(i)->osfile) + +#else /* (_MSC_VER >= 1000) */ +extern char _osfile[]; +#endif /* (_MSC_VER >= 1000) */ + +#define FOPEN 0x01 /* file handle open */ +#define FAPPEND 0x20 /* file handle opened O_APPEND */ +#define FDEV 0x40 /* file handle refers to device */ +#define FTEXT 0x80 /* file handle is in text mode */ + +#define _STREAM_LOCKS 26 /* Table of stream locks */ +#define _LAST_STREAM_LOCK (_STREAM_LOCKS+_NSTREAM_-1) /* Last stream lock */ +#define _FH_LOCKS (_LAST_STREAM_LOCK+1) /* Table of fh locks */ + +/*** +*int my_open_osfhandle(long osfhandle, int flags) - open C Runtime file handle +* +*Purpose: +* This function allocates a free C Runtime file handle and associates +* it with the Win32 HANDLE specified by the first parameter. This is a +* temperary fix for WIN95's brain damage GetFileType() error on socket +* we just bypass that call for socket +* +*Entry: +* long osfhandle - Win32 HANDLE to associate with C Runtime file handle. +* int flags - flags to associate with C Runtime file handle. +* +*Exit: +* returns index of entry in fh, if successful +* return -1, if no free entry is found +* +*Exceptions: +* +*******************************************************************************/ + +static int +my_open_osfhandle(long osfhandle, int flags) +{ + int fh; + char fileflags; /* _osfile flags */ + + /* copy relevant flags from second parameter */ + fileflags = FDEV; + + if (flags & O_APPEND) + fileflags |= FAPPEND; + + if (flags & O_TEXT) + fileflags |= FTEXT; + + /* attempt to allocate a C Runtime file handle */ + if ((fh = _alloc_osfhnd()) == -1) { + errno = EMFILE; /* too many open files */ + _doserrno = 0L; /* not an OS error */ + return -1; /* return error to caller */ + } + + /* the file is open. now, set the info in _osfhnd array */ + _set_osfhnd(fh, osfhandle); + + fileflags |= FOPEN; /* mark as open */ + +#if (_MSC_VER >= 1000) + _osfile(fh) = fileflags; /* set osfile entry */ + _unlock_fhandle(fh); +#else + _osfile[fh] = fileflags; /* set osfile entry */ + _unlock(fh+_FH_LOCKS); /* unlock handle */ +#endif + + return fh; /* return handle */ +} + +#define _open_osfhandle my_open_osfhandle +#endif /* USE_FIXED_OSFHANDLE */ + +/* simulate flock by locking a range on the file */ + +#define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError())) +#define LK_LEN 0xffff0000 + +DllExport int +win32_flock(int fd, int oper) +{ + OVERLAPPED o; + int i = -1; + HANDLE fh; + + if (!IsWinNT()) { + croak("flock() unimplemented on this platform"); + return -1; + } + fh = (HANDLE)_get_osfhandle(fd); + memset(&o, 0, sizeof(o)); + + switch(oper) { + case LOCK_SH: /* shared lock */ + LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i); + break; + case LOCK_EX: /* exclusive lock */ + LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i); + break; + case LOCK_SH|LOCK_NB: /* non-blocking shared lock */ + LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i); + break; + case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */ + LK_ERR(LockFileEx(fh, + LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY, + 0, LK_LEN, 0, &o),i); + break; + case LOCK_UN: /* unlock lock */ + LK_ERR(UnlockFileEx(fh, 0, LK_LEN, 0, &o),i); + break; + default: /* unknown */ + errno = EINVAL; + break; + } + return i; +} + +#undef LK_ERR +#undef LK_LEN + /* * redirected io subsystem for all XS modules * @@ -757,45 +1336,45 @@ myalarm(unsigned int sec) DllExport int * win32_errno(void) { - return (pIOSubSystem->pfnerrno()); + return (&errno); } DllExport char *** win32_environ(void) { - return (pIOSubSystem->pfnenviron()); + return (&(_environ)); } /* the rest are the remapped stdio routines */ DllExport FILE * win32_stderr(void) { - return (pIOSubSystem->pfnstderr()); + return (stderr); } DllExport FILE * win32_stdin(void) { - return (pIOSubSystem->pfnstdin()); + return (stdin); } DllExport FILE * win32_stdout() { - return (pIOSubSystem->pfnstdout()); + return (stdout); } DllExport int win32_ferror(FILE *fp) { - return (pIOSubSystem->pfnferror(fp)); + return (ferror(fp)); } DllExport int win32_feof(FILE *fp) { - return (pIOSubSystem->pfnfeof(fp)); + return (feof(fp)); } /* @@ -804,8 +1383,6 @@ win32_feof(FILE *fp) * we have to roll our own. */ -__declspec(thread) char strerror_buffer[512]; - DllExport char * win32_strerror(int e) { @@ -814,26 +1391,54 @@ win32_strerror(int e) #endif DWORD source = 0; - if(e < 0 || e > sys_nerr) { - if(e < 0) + if (e < 0 || e > sys_nerr) { + dTHR; + if (e < 0) e = GetLastError(); - if(FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0, + 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); + return strerror(e); +} + +DllExport void +win32_str_os_error(void *sv, DWORD dwErr) +{ + DWORD dwLen; + char *sMsg; + dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER + |FORMAT_MESSAGE_IGNORE_INSERTS + |FORMAT_MESSAGE_FROM_SYSTEM, NULL, + dwErr, 0, (char *)&sMsg, 1, NULL); + if (0 < dwLen) { + while (0 < dwLen && isspace(sMsg[--dwLen])) + ; + if ('.' != sMsg[dwLen]) + dwLen++; + sMsg[dwLen]= '\0'; + } + if (0 == dwLen) { + sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/); + dwLen = sprintf(sMsg, + "Unknown error #0x%lX (lookup 0x%lX)", + dwErr, GetLastError()); + } + sv_setpvn((SV*)sv, sMsg, dwLen); + LocalFree(sMsg); } + 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)); + return (vfprintf(fp, format, marker)); } DllExport int @@ -842,188 +1447,359 @@ win32_printf(const char *format, ...) va_list marker; va_start(marker, format); /* Initialize variable arguments. */ - return (pIOSubSystem->pfnvprintf(format, marker)); + return (vprintf(format, marker)); } DllExport int win32_vfprintf(FILE *fp, const char *format, va_list args) { - return (pIOSubSystem->pfnvfprintf(fp, format, args)); + return (vfprintf(fp, format, args)); } DllExport int win32_vprintf(const char *format, va_list args) { - return (pIOSubSystem->pfnvprintf(format, args)); + return (vprintf(format, args)); } DllExport size_t win32_fread(void *buf, size_t size, size_t count, FILE *fp) { - return pIOSubSystem->pfnfread(buf, size, count, fp); + return fread(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); + return fwrite(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); + return fopen("NUL", mode); + return fopen(filename, mode); } +#ifndef USE_SOCKETS_AS_HANDLES +#undef fdopen +#define fdopen my_fdopen +#endif + DllExport FILE * win32_fdopen( int handle, const char *mode) { - return pIOSubSystem->pfnfdopen(handle, mode); + return fdopen(handle, (char *) 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); + return freopen("NUL", mode, stream); + return freopen(path, mode, stream); } DllExport int win32_fclose(FILE *pf) { - return pIOSubSystem->pfnfclose(pf); + return my_fclose(pf); /* defined in win32sck.c */ } DllExport int win32_fputs(const char *s,FILE *pf) { - return pIOSubSystem->pfnfputs(s, pf); + return fputs(s, pf); } DllExport int win32_fputc(int c,FILE *pf) { - return pIOSubSystem->pfnfputc(c,pf); + return fputc(c,pf); } DllExport int win32_ungetc(int c,FILE *pf) { - return pIOSubSystem->pfnungetc(c,pf); + return ungetc(c,pf); } DllExport int win32_getc(FILE *pf) { - return pIOSubSystem->pfngetc(pf); + return getc(pf); } DllExport int win32_fileno(FILE *pf) { - return pIOSubSystem->pfnfileno(pf); + return fileno(pf); } DllExport void win32_clearerr(FILE *pf) { - pIOSubSystem->pfnclearerr(pf); + clearerr(pf); return; } DllExport int win32_fflush(FILE *pf) { - return pIOSubSystem->pfnfflush(pf); + return fflush(pf); } DllExport long win32_ftell(FILE *pf) { - return pIOSubSystem->pfnftell(pf); + return ftell(pf); } DllExport int win32_fseek(FILE *pf,long offset,int origin) { - return pIOSubSystem->pfnfseek(pf, offset, origin); + return fseek(pf, offset, origin); } DllExport int win32_fgetpos(FILE *pf,fpos_t *p) { - return pIOSubSystem->pfnfgetpos(pf, p); + return fgetpos(pf, p); } DllExport int win32_fsetpos(FILE *pf,const fpos_t *p) { - return pIOSubSystem->pfnfsetpos(pf, p); + return fsetpos(pf, p); } DllExport void win32_rewind(FILE *pf) { - pIOSubSystem->pfnrewind(pf); + rewind(pf); return; } DllExport FILE* win32_tmpfile(void) { - return pIOSubSystem->pfntmpfile(); + return tmpfile(); } DllExport void win32_abort(void) { - pIOSubSystem->pfnabort(); + abort(); return; } DllExport int -win32_fstat(int fd,struct stat *bufptr) +win32_fstat(int fd,struct stat *sbufptr) { - return pIOSubSystem->pfnfstat(fd,bufptr); + return fstat(fd,sbufptr); } DllExport int win32_pipe(int *pfd, unsigned int size, int mode) { - return pIOSubSystem->pfnpipe(pfd, size, mode); + return _pipe(pfd, size, mode); } +/* + * a popen() clone that respects PERL5SHELL + */ + DllExport FILE* win32_popen(const char *command, const char *mode) { - return pIOSubSystem->pfnpopen(command, mode); +#ifdef USE_RTL_POPEN + return _popen(command, mode); +#else + int p[2]; + int parent, child; + int stdfd, oldfd; + int ourmode; + int childpid; + + /* establish which ends read and write */ + if (strchr(mode,'w')) { + stdfd = 0; /* stdin */ + parent = 1; + child = 0; + } + else if (strchr(mode,'r')) { + stdfd = 1; /* stdout */ + parent = 0; + child = 1; + } + else + return NULL; + + /* set the correct mode */ + if (strchr(mode,'b')) + ourmode = O_BINARY; + else if (strchr(mode,'t')) + ourmode = O_TEXT; + else + ourmode = _fmode & (O_TEXT | O_BINARY); + + /* the child doesn't inherit handles */ + ourmode |= O_NOINHERIT; + + if (win32_pipe( p, 512, ourmode) == -1) + return NULL; + + /* save current stdfd */ + if ((oldfd = win32_dup(stdfd)) == -1) + goto cleanup; + + /* make stdfd go to child end of pipe (implicitly closes stdfd) */ + /* stdfd will be inherited by the child */ + if (win32_dup2(p[child], stdfd) == -1) + goto cleanup; + + /* close the child end in parent */ + win32_close(p[child]); + + /* start the child */ + if ((childpid = do_spawn_nowait((char*)command)) == -1) + goto cleanup; + + /* revert stdfd to whatever it was before */ + if (win32_dup2(oldfd, stdfd) == -1) + goto cleanup; + + /* close saved handle */ + win32_close(oldfd); + + sv_setiv(*av_fetch(w32_fdpid, p[parent], TRUE), childpid); + + /* we have an fd, return a file stream */ + return (win32_fdopen(p[parent], (char *)mode)); + +cleanup: + /* we don't need to check for errors here */ + win32_close(p[0]); + win32_close(p[1]); + if (oldfd != -1) { + win32_dup2(oldfd, stdfd); + win32_close(oldfd); + } + return (NULL); + +#endif /* USE_RTL_POPEN */ } +/* + * pclose() clone + */ + DllExport int win32_pclose(FILE *pf) { - return pIOSubSystem->pfnpclose(pf); +#ifdef USE_RTL_POPEN + return _pclose(pf); +#else + + int childpid, status; + SV *sv; + + sv = *av_fetch(w32_fdpid, win32_fileno(pf), TRUE); + if (SvIOK(sv)) + childpid = SvIVX(sv); + else + childpid = 0; + + if (!childpid) { + errno = EBADF; + return -1; + } + + win32_fclose(pf); + SvIVX(sv) = 0; + + remove_dead_process((HANDLE)childpid); + + /* wait for the child */ + if (cwait(&status, childpid, WAIT_CHILD) == -1) + return (-1); + /* cwait() returns differently on Borland */ +#ifdef __BORLANDC__ + return (((status >> 8) & 0xff) | ((status << 8) & 0xff00)); +#else + return (status); +#endif + +#endif /* USE_RTL_POPEN */ +} + +DllExport int +win32_rename(const char *oname, const char *newname) +{ + char szNewWorkName[MAX_PATH+1]; + WIN32_FIND_DATA fdOldFile, fdNewFile; + HANDLE handle; + char *ptr; + + if ((strchr(oname, '\\') || strchr(oname, '/')) + && strchr(newname, '\\') == NULL + && strchr(newname, '/') == NULL) + { + strcpy(szNewWorkName, oname); + if ((ptr = strrchr(szNewWorkName, '\\')) == NULL) + ptr = strrchr(szNewWorkName, '/'); + strcpy(++ptr, newname); + } + else + strcpy(szNewWorkName, newname); + + if (stricmp(oname, szNewWorkName) != 0) { + // check that we're not being fooled by relative paths + // and only delete the new file + // 1) if it exists + // 2) it is not the same file as the old file + // 3) old file exist + // GetFullPathName does not return the long file name on some systems + handle = FindFirstFile(oname, &fdOldFile); + if (handle != INVALID_HANDLE_VALUE) { + FindClose(handle); + + handle = FindFirstFile(szNewWorkName, &fdNewFile); + + if (handle != INVALID_HANDLE_VALUE) + FindClose(handle); + else + fdNewFile.cFileName[0] = '\0'; + + if (strcmp(fdOldFile.cAlternateFileName, + fdNewFile.cAlternateFileName) != 0 + && strcmp(fdOldFile.cFileName, fdNewFile.cFileName) != 0) + { + // file exists and not same file + DeleteFile(szNewWorkName); + } + } + } + return rename(oname, newname); } DllExport int win32_setmode(int fd, int mode) { - return pIOSubSystem->pfnsetmode(fd, mode); + return setmode(fd, mode); } DllExport long win32_lseek(int fd, long offset, int origin) { - return pIOSubSystem->pfnlseek(fd, offset, origin); + return lseek(fd, offset, origin); } DllExport long win32_tell(int fd) { - return pIOSubSystem->pfntell(fd); + return tell(fd); } DllExport int @@ -1037,93 +1813,651 @@ win32_open(const char *path, int flag, ...) va_end(ap); if (stricmp(path, "/dev/null")==0) - return pIOSubSystem->pfnopen("NUL", flag, pmode); - return pIOSubSystem->pfnopen(path,flag,pmode); + return open("NUL", flag, pmode); + return open(path,flag,pmode); } DllExport int win32_close(int fd) { - return pIOSubSystem->pfnclose(fd); + return close(fd); } DllExport int win32_eof(int fd) { - return pIOSubSystem->pfneof(fd); + return eof(fd); } DllExport int win32_dup(int fd) { - return pIOSubSystem->pfndup(fd); + return dup(fd); } DllExport int win32_dup2(int fd1,int fd2) { - return pIOSubSystem->pfndup2(fd1,fd2); + return dup2(fd1,fd2); } DllExport int win32_read(int fd, void *buf, unsigned int cnt) { - return pIOSubSystem->pfnread(fd, buf, cnt); + return read(fd, buf, cnt); } DllExport int win32_write(int fd, const void *buf, unsigned int cnt) { - return pIOSubSystem->pfnwrite(fd, buf, cnt); + return write(fd, buf, cnt); } DllExport int win32_mkdir(const char *dir, int mode) { - return pIOSubSystem->pfnmkdir(dir); /* just ignore mode */ + return mkdir(dir); /* just ignore mode */ } DllExport int win32_rmdir(const char *dir) { - return pIOSubSystem->pfnrmdir(dir); + return rmdir(dir); } DllExport int win32_chdir(const char *dir) { - return pIOSubSystem->pfnchdir(dir); + return chdir(dir); } DllExport int win32_spawnvp(int mode, const char *cmdname, const char *const *argv) { - return pIOSubSystem->pfnspawnvp(mode, cmdname, argv); + int status; + +#ifndef USE_RTL_WAIT + if (mode == P_NOWAIT && w32_num_children >= MAXIMUM_WAIT_OBJECTS) + return -1; +#endif + + status = spawnvp(mode, cmdname, (char * const *) argv); +#ifndef USE_RTL_WAIT + /* XXX For the P_NOWAIT case, Borland RTL returns pinfo.dwProcessId + * while VC RTL returns pinfo.hProcess. For purposes of the custom + * implementation of win32_wait(), we assume the latter. + */ + if (mode == P_NOWAIT && status >= 0) + w32_child_pids[w32_num_children++] = (HANDLE)status; +#endif + return status; +} + +DllExport int +win32_execv(const char *cmdname, const char *const *argv) +{ + return execv(cmdname, (char *const *)argv); +} + +DllExport int +win32_execvp(const char *cmdname, const char *const *argv) +{ + return execvp(cmdname, (char *const *)argv); +} + +DllExport void +win32_perror(const char *str) +{ + perror(str); +} + +DllExport void +win32_setbuf(FILE *pf, char *buf) +{ + setbuf(pf, buf); +} + +DllExport int +win32_setvbuf(FILE *pf, char *buf, int type, size_t size) +{ + return setvbuf(pf, buf, type, size); +} + +DllExport int +win32_flushall(void) +{ + return flushall(); +} + +DllExport int +win32_fcloseall(void) +{ + return fcloseall(); +} + +DllExport char* +win32_fgets(char *s, int n, FILE *pf) +{ + return fgets(s, n, pf); +} + +DllExport char* +win32_gets(char *s) +{ + return gets(s); +} + +DllExport int +win32_fgetc(FILE *pf) +{ + return fgetc(pf); } +DllExport int +win32_putc(int c, FILE *pf) +{ + return putc(c,pf); +} + +DllExport int +win32_puts(const char *s) +{ + return puts(s); +} + +DllExport int +win32_getchar(void) +{ + return getchar(); +} + +DllExport int +win32_putchar(int c) +{ + return putchar(c); +} + +#ifdef MYMALLOC + +#ifndef USE_PERL_SBRK + +static char *committed = NULL; +static char *base = NULL; +static char *reserved = NULL; +static char *brk = NULL; +static DWORD pagesize = 0; +static DWORD allocsize = 0; + +void * +sbrk(int need) +{ + void *result; + if (!pagesize) + {SYSTEM_INFO info; + GetSystemInfo(&info); + /* Pretend page size is larger so we don't perpetually + * call the OS to commit just one page ... + */ + pagesize = info.dwPageSize << 3; + allocsize = info.dwAllocationGranularity; + } + /* This scheme fails eventually if request for contiguous + * block is denied so reserve big blocks - this is only + * address space not memory ... + */ + if (brk+need >= reserved) + { + DWORD size = 64*1024*1024; + char *addr; + if (committed && reserved && committed < reserved) + { + /* Commit last of previous chunk cannot span allocations */ + addr = (char *) VirtualAlloc(committed,reserved-committed,MEM_COMMIT,PAGE_READWRITE); + if (addr) + committed = reserved; + } + /* Reserve some (more) space + * Note this is a little sneaky, 1st call passes NULL as reserved + * so lets system choose where we start, subsequent calls pass + * the old end address so ask for a contiguous block + */ + addr = (char *) VirtualAlloc(reserved,size,MEM_RESERVE,PAGE_NOACCESS); + if (addr) + { + reserved = addr+size; + if (!base) + base = addr; + if (!committed) + committed = base; + if (!brk) + brk = committed; + } + else + { + return (void *) -1; + } + } + result = brk; + brk += need; + if (brk > committed) + { + DWORD size = ((brk-committed + pagesize -1)/pagesize) * pagesize; + char *addr = (char *) VirtualAlloc(committed,size,MEM_COMMIT,PAGE_READWRITE); + if (addr) + { + committed += size; + } + else + return (void *) -1; + } + return result; +} + +#endif +#endif + +DllExport void* +win32_malloc(size_t size) +{ + return malloc(size); +} + +DllExport void* +win32_calloc(size_t numitems, size_t size) +{ + return calloc(numitems,size); +} + +DllExport void* +win32_realloc(void *block, size_t size) +{ + return realloc(block,size); +} + +DllExport void +win32_free(void *block) +{ + free(block); +} + + int -stolen_open_osfhandle(long handle, int flags) +win32_open_osfhandle(long handle, int flags) { - return pIOSubSystem->pfn_open_osfhandle(handle, flags); + return _open_osfhandle(handle, flags); } long -stolen_get_osfhandle(int fd) +win32_get_osfhandle(int fd) { - return pIOSubSystem->pfn_get_osfhandle(fd); + return _get_osfhandle(fd); } /* * Extras. */ -DllExport int -win32_flock(int fd, int oper) +static +XS(w32_GetCwd) +{ + dXSARGS; + SV *sv = sv_newmortal(); + /* Make one call with zero size - return value is required size */ + DWORD len = GetCurrentDirectory((DWORD)0,NULL); + SvUPGRADE(sv,SVt_PV); + SvGROW(sv,len); + SvCUR(sv) = GetCurrentDirectory((DWORD) SvLEN(sv), SvPVX(sv)); + /* + * If result != 0 + * then it worked, set PV valid, + * else leave it 'undef' + */ + if (SvCUR(sv)) + SvPOK_on(sv); + EXTEND(SP,1); + ST(0) = sv; + XSRETURN(1); +} + +static +XS(w32_SetCwd) { - if (!IsWinNT()) { - croak("flock() unimplemented on this platform"); - return -1; + dXSARGS; + if (items != 1) + croak("usage: Win32::SetCurrentDirectory($cwd)"); + if (SetCurrentDirectory(SvPV(ST(0),PL_na))) + XSRETURN_YES; + + XSRETURN_NO; +} + +static +XS(w32_GetNextAvailDrive) +{ + dXSARGS; + char ix = 'C'; + char root[] = "_:\\"; + while (ix <= 'Z') { + root[0] = ix++; + if (GetDriveType(root) == 1) { + root[2] = '\0'; + XSRETURN_PV(root); + } + } + XSRETURN_UNDEF; +} + +static +XS(w32_GetLastError) +{ + dXSARGS; + XSRETURN_IV(GetLastError()); +} + +static +XS(w32_LoginName) +{ + dXSARGS; + char *name = getlogin_buffer; + DWORD size = sizeof(getlogin_buffer); + if (GetUserName(name,&size)) { + /* size includes NULL */ + ST(0) = sv_2mortal(newSVpv(name,size-1)); + XSRETURN(1); } - return pIOSubSystem->pfnflock(fd, oper); + XSRETURN_UNDEF; } +static +XS(w32_NodeName) +{ + dXSARGS; + char name[MAX_COMPUTERNAME_LENGTH+1]; + DWORD size = sizeof(name); + if (GetComputerName(name,&size)) { + /* size does NOT include NULL :-( */ + ST(0) = sv_2mortal(newSVpv(name,size)); + XSRETURN(1); + } + XSRETURN_UNDEF; +} + + +static +XS(w32_DomainName) +{ + dXSARGS; +#ifndef HAS_NETWKSTAGETINFO + /* mingw32 (and Win95) don't have NetWksta*(), so do it the old way */ + char name[256]; + DWORD size = sizeof(name); + if (GetUserName(name,&size)) { + char sid[1024]; + DWORD sidlen = sizeof(sid); + char dname[256]; + DWORD dnamelen = sizeof(dname); + SID_NAME_USE snu; + if (LookupAccountName(NULL, name, (PSID)&sid, &sidlen, + dname, &dnamelen, &snu)) { + XSRETURN_PV(dname); /* all that for this */ + } + } +#else + /* this way is more reliable, in case user has a local account. + * XXX need dynamic binding of netapi32.dll symbols or this will fail on + * Win95. Probably makes more sense to move it into libwin32. */ + char dname[256]; + DWORD dnamelen = sizeof(dname); + PWKSTA_INFO_100 pwi; + if (NERR_Success == NetWkstaGetInfo(NULL, 100, (LPBYTE*)&pwi)) { + if (pwi->wki100_langroup && *(pwi->wki100_langroup)) { + WideCharToMultiByte(CP_ACP, NULL, pwi->wki100_langroup, + -1, (LPSTR)dname, dnamelen, NULL, NULL); + } + else { + WideCharToMultiByte(CP_ACP, NULL, pwi->wki100_computername, + -1, (LPSTR)dname, dnamelen, NULL, NULL); + } + NetApiBufferFree(pwi); + XSRETURN_PV(dname); + } +#endif + XSRETURN_UNDEF; +} + +static +XS(w32_FsType) +{ + dXSARGS; + char fsname[256]; + DWORD flags, filecomplen; + if (GetVolumeInformation(NULL, NULL, 0, NULL, &filecomplen, + &flags, fsname, sizeof(fsname))) { + if (GIMME == G_ARRAY) { + XPUSHs(sv_2mortal(newSVpv(fsname,0))); + XPUSHs(sv_2mortal(newSViv(flags))); + XPUSHs(sv_2mortal(newSViv(filecomplen))); + PUTBACK; + return; + } + XSRETURN_PV(fsname); + } + XSRETURN_UNDEF; +} + +static +XS(w32_GetOSVersion) +{ + dXSARGS; + OSVERSIONINFO osver; + + osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + if (GetVersionEx(&osver)) { + XPUSHs(newSVpv(osver.szCSDVersion, 0)); + XPUSHs(newSViv(osver.dwMajorVersion)); + XPUSHs(newSViv(osver.dwMinorVersion)); + XPUSHs(newSViv(osver.dwBuildNumber)); + XPUSHs(newSViv(osver.dwPlatformId)); + PUTBACK; + return; + } + XSRETURN_UNDEF; +} + +static +XS(w32_IsWinNT) +{ + dXSARGS; + XSRETURN_IV(IsWinNT()); +} + +static +XS(w32_IsWin95) +{ + dXSARGS; + XSRETURN_IV(IsWin95()); +} + +static +XS(w32_FormatMessage) +{ + dXSARGS; + DWORD source = 0; + char msgbuf[1024]; + + if (items != 1) + croak("usage: Win32::FormatMessage($errno)"); + + if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, + &source, SvIV(ST(0)), 0, + msgbuf, sizeof(msgbuf)-1, NULL)) + XSRETURN_PV(msgbuf); + + XSRETURN_UNDEF; +} + +static +XS(w32_Spawn) +{ + dXSARGS; + char *cmd, *args; + PROCESS_INFORMATION stProcInfo; + STARTUPINFO stStartInfo; + BOOL bSuccess = FALSE; + + if (items != 3) + croak("usage: Win32::Spawn($cmdName, $args, $PID)"); + + cmd = SvPV(ST(0),PL_na); + args = SvPV(ST(1), PL_na); + + memset(&stStartInfo, 0, sizeof(stStartInfo)); /* Clear the block */ + stStartInfo.cb = sizeof(stStartInfo); /* Set the structure size */ + stStartInfo.dwFlags = STARTF_USESHOWWINDOW; /* Enable wShowWindow control */ + stStartInfo.wShowWindow = SW_SHOWMINNOACTIVE; /* Start min (normal) */ + + if (CreateProcess( + cmd, /* Image path */ + args, /* Arguments for command line */ + NULL, /* Default process security */ + NULL, /* Default thread security */ + FALSE, /* Must be TRUE to use std handles */ + NORMAL_PRIORITY_CLASS, /* No special scheduling */ + NULL, /* Inherit our environment block */ + NULL, /* Inherit our currrent directory */ + &stStartInfo, /* -> Startup info */ + &stProcInfo)) /* <- Process info (if OK) */ + { + CloseHandle(stProcInfo.hThread);/* library source code does this. */ + sv_setiv(ST(2), stProcInfo.dwProcessId); + bSuccess = TRUE; + } + XSRETURN_IV(bSuccess); +} + +static +XS(w32_GetTickCount) +{ + dXSARGS; + XSRETURN_IV(GetTickCount()); +} + +static +XS(w32_GetShortPathName) +{ + dXSARGS; + SV *shortpath; + DWORD len; + + if (items != 1) + croak("usage: Win32::GetShortPathName($longPathName)"); + + shortpath = sv_mortalcopy(ST(0)); + SvUPGRADE(shortpath, SVt_PV); + /* src == target is allowed */ + do { + len = GetShortPathName(SvPVX(shortpath), + SvPVX(shortpath), + SvLEN(shortpath)); + } while (len >= SvLEN(shortpath) && sv_grow(shortpath,len+1)); + if (len) { + SvCUR_set(shortpath,len); + ST(0) = shortpath; + } + else + ST(0) = &PL_sv_undef; + XSRETURN(1); +} + +static +XS(w32_Sleep) +{ + dXSARGS; + if (items != 1) + croak("usage: Win32::Sleep($milliseconds)"); + Sleep(SvIV(ST(0))); + XSRETURN_YES; +} + +void +Perl_init_os_extras() +{ + char *file = __FILE__; + dXSUB_SYS; + + w32_perlshell_tokens = Nullch; + w32_perlshell_items = -1; + w32_fdpid = newAV(); /* XXX needs to be in Perl_win32_init()? */ +#ifndef USE_RTL_WAIT + w32_num_children = 0; +#endif + + /* these names are Activeware compatible */ + newXS("Win32::GetCwd", w32_GetCwd, file); + newXS("Win32::SetCwd", w32_SetCwd, file); + newXS("Win32::GetNextAvailDrive", w32_GetNextAvailDrive, file); + newXS("Win32::GetLastError", w32_GetLastError, file); + newXS("Win32::LoginName", w32_LoginName, file); + newXS("Win32::NodeName", w32_NodeName, file); + newXS("Win32::DomainName", w32_DomainName, file); + newXS("Win32::FsType", w32_FsType, file); + newXS("Win32::GetOSVersion", w32_GetOSVersion, file); + newXS("Win32::IsWinNT", w32_IsWinNT, file); + newXS("Win32::IsWin95", w32_IsWin95, file); + newXS("Win32::FormatMessage", w32_FormatMessage, file); + newXS("Win32::Spawn", w32_Spawn, file); + newXS("Win32::GetTickCount", w32_GetTickCount, file); + newXS("Win32::GetShortPathName", w32_GetShortPathName, file); + newXS("Win32::Sleep", w32_Sleep, file); + + /* XXX Bloat Alert! The following Activeware preloads really + * ought to be part of Win32::Sys::*, so they're not included + * here. + */ + /* LookupAccountName + * LookupAccountSID + * InitiateSystemShutdown + * AbortSystemShutdown + * ExpandEnvrironmentStrings + */ +} + +void +Perl_win32_init(int *argcp, char ***argvp) +{ + /* Disable floating point errors, Perl will trap the ones we + * care about. VC++ RTL defaults to switching these off + * already, but the Borland RTL doesn't. Since we don't + * want to be at the vendor's whim on the default, we set + * it explicitly here. + */ +#if !defined(_ALPHA_) && !defined(__GNUC__) + _control87(MCW_EM, MCW_EM); +#endif + MALLOC_INIT; +} + +#ifdef USE_BINMODE_SCRIPTS + +void +win32_strip_return(SV *sv) +{ + char *s = SvPVX(sv); + char *e = s+SvCUR(sv); + char *d = s; + while (s < e) + { + if (*s == '\r' && s[1] == '\n') + { + *d++ = '\n'; + s += 2; + } + else + { + *d++ = *s++; + } + } + SvCUR_set(sv,d-SvPVX(sv)); +} + +#endif