X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=win32%2Fwin32.c;h=0db36b3d91c1375a36a7372832f1a26cbf376d3f;hb=036c1c1eb70a0dfc5a7187959eb5e39d499c9396;hp=4d8a6213ee2f95877aa8f22784c2c1c6dff48905;hpb=9e200fca2469be3038fc6b7efd81a14847a83256;p=p5sagit%2Fp5-mst-13.2.git diff --git a/win32/win32.c b/win32/win32.c index 4d8a621..0db36b3 100644 --- a/win32/win32.c +++ b/win32/win32.c @@ -1182,6 +1182,10 @@ win32_stat(const char *path, Stat_t *sbuf) /* FindFirstFile() and stat() are buggy with a trailing * backslash, so change it to a forward slash :-( */ case '\\': + if (l >= sizeof(buffer)) { + errno = ENAMETOOLONG; + return -1; + } strncpy(buffer, path, l-1); buffer[l - 1] = '/'; buffer[l] = '\0'; @@ -2578,10 +2582,14 @@ DllExport Off_t win32_ftell(FILE *pf) { #if defined(WIN64) || defined(USE_LARGE_FILES) +#if defined(__BORLAND__) /* buk */ + return win32_tell( fileno( pf ) ); +#else fpos_t pos; if (fgetpos(pf, &pos)) return -1; return (Off_t)pos; +#endif #else return ftell(pf); #endif @@ -2591,6 +2599,13 @@ DllExport int win32_fseek(FILE *pf, Off_t offset,int origin) { #if defined(WIN64) || defined(USE_LARGE_FILES) +#if defined(__BORLANDC__) /* buk */ + return win32_lseek( + fileno(pf), + offset, + origin + ); +#else fpos_t pos; switch (origin) { case SEEK_CUR: @@ -2610,6 +2625,7 @@ win32_fseek(FILE *pf, Off_t offset,int origin) return -1; } return fsetpos(pf, &offset); +#endif #else return fseek(pf, offset, origin); #endif @@ -2618,13 +2634,25 @@ win32_fseek(FILE *pf, Off_t offset,int origin) DllExport int win32_fgetpos(FILE *pf,fpos_t *p) { +#if defined(__BORLANDC__) && defined(USE_LARGE_FILES) /* buk */ + if( win32_tell(fileno(pf)) == -1L ) { + errno = EBADF; + return -1; + } + return 0; +#else return fgetpos(pf, p); +#endif } DllExport int win32_fsetpos(FILE *pf,const fpos_t *p) { +#if defined(__BORLANDC__) && defined(USE_LARGE_FILES) /* buk */ + return win32_lseek(fileno(pf), *p, SEEK_CUR); +#else return fsetpos(pf, p); +#endif } DllExport void @@ -3130,7 +3158,7 @@ win32_chsize(int fd, Off_t size) do { count = extend >= sizeof(b) ? sizeof(b) : (size_t)extend; count = win32_write(fd, b, count); - if (count < 0) { + if ((int)count < 0) { retval = -1; break; } @@ -3157,7 +3185,23 @@ DllExport Off_t win32_lseek(int fd, Off_t offset, int origin) { #if defined(WIN64) || defined(USE_LARGE_FILES) +#if defined(__BORLANDC__) /* buk */ + LARGE_INTEGER pos; + pos.QuadPart = offset; + pos.LowPart = SetFilePointer( + (HANDLE)_get_osfhandle(fd), + pos.LowPart, + &pos.HighPart, + origin + ); + if (pos.LowPart == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR) { + pos.QuadPart = -1; + } + + return pos.QuadPart; +#else return _lseeki64(fd, offset, origin); +#endif #else return lseek(fd, offset, origin); #endif @@ -3167,7 +3211,24 @@ DllExport Off_t win32_tell(int fd) { #if defined(WIN64) || defined(USE_LARGE_FILES) +#if defined(__BORLANDC__) /* buk */ + LARGE_INTEGER pos; + pos.QuadPart = 0; + pos.LowPart = SetFilePointer( + (HANDLE)_get_osfhandle(fd), + pos.LowPart, + &pos.HighPart, + FILE_CURRENT + ); + if (pos.LowPart == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR) { + pos.QuadPart = -1; + } + + return pos.QuadPart; + /* return tell(fd); */ +#else return _telli64(fd); +#endif #else return tell(fd); #endif @@ -3540,7 +3601,8 @@ create_command_line(char *cname, STRLEN clen, const char * const *args) || (IsWinNT() && stricmp(&cname[clen-4], ".cmd") == 0))) { bat_file = TRUE; - len += 3; + if (!IsWin95()) + len += 3; } else { char *exe = strrchr(cname, '/'); @@ -3577,7 +3639,7 @@ create_command_line(char *cname, STRLEN clen, const char * const *args) New(1310, cmd, len, char); ptr = cmd; - if (bat_file) { + if (bat_file && !IsWin95()) { *ptr++ = '"'; extra_quotes = TRUE; } @@ -3675,7 +3737,10 @@ qualified_path(const char *cmd) /* look in PATH */ pathstr = PerlEnv_getenv("PATH"); - New(0, fullcmd, MAX_PATH+1, char); + + /* worst case: PATH is a single directory; we need additional space + * to append "/", ".exe" and trailing "\0" */ + New(0, fullcmd, (pathstr ? strlen(pathstr) : 0) + cmdlen + 6, char); curfullcmd = fullcmd; while (1) { @@ -3716,17 +3781,13 @@ qualified_path(const char *cmd) if (*pathstr == '"') { /* foo;"baz;etc";bar */ pathstr++; /* skip initial '"' */ while (*pathstr && *pathstr != '"') { - if ((STRLEN)(curfullcmd-fullcmd) < MAX_PATH-cmdlen-5) - *curfullcmd++ = *pathstr; - pathstr++; + *curfullcmd++ = *pathstr++; } if (*pathstr) pathstr++; /* skip trailing '"' */ } else { - if ((STRLEN)(curfullcmd-fullcmd) < MAX_PATH-cmdlen-5) - *curfullcmd++ = *pathstr; - pathstr++; + *curfullcmd++ = *pathstr++; } } if (*pathstr) @@ -4094,7 +4155,6 @@ static char *base = NULL; /* XXX threadead */ static char *reserved = NULL; /* XXX threadead */ static char *brk = NULL; /* XXX threadead */ static DWORD pagesize = 0; /* XXX threadead */ -static DWORD allocsize = 0; /* XXX threadead */ void * sbrk(ptrdiff_t need) @@ -4107,28 +4167,34 @@ sbrk(ptrdiff_t need) * 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; + DWORD size = brk+need-reserved; char *addr; + char *prev_committed = NULL; 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) + { + /* Remember where we committed from in case we want to decommit later */ + prev_committed = committed; committed = reserved; + } } /* Reserve some (more) space + * Contiguous blocks give us greater efficiency, so reserve big blocks - + * this is only address space not memory... * 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 */ +sbrk_reserve: + if (size < 64*1024*1024) + size = 64*1024*1024; + size = ((size + pagesize - 1) / pagesize) * pagesize; addr = (char *) VirtualAlloc(reserved,size,MEM_RESERVE,PAGE_NOACCESS); if (addr) { @@ -4140,6 +4206,19 @@ sbrk(ptrdiff_t need) if (!brk) brk = committed; } + else if (reserved) + { + /* The existing block could not be extended far enough, so decommit + * anything that was just committed above and start anew */ + if (prev_committed) + { + if (!VirtualFree(prev_committed,reserved-prev_committed,MEM_DECOMMIT)) + return (void *) -1; + } + reserved = base = committed = brk = NULL; + size = need; + goto sbrk_reserve; + } else { return (void *) -1; @@ -4150,11 +4229,12 @@ sbrk(ptrdiff_t need) if (brk > committed) { DWORD size = ((brk-committed + pagesize -1)/pagesize) * pagesize; - char *addr = (char *) VirtualAlloc(committed,size,MEM_COMMIT,PAGE_READWRITE); + char *addr; + if (committed+size > reserved) + size = reserved-committed; + addr = (char *) VirtualAlloc(committed,size,MEM_COMMIT,PAGE_READWRITE); if (addr) - { - committed += size; - } + committed += size; else return (void *) -1; } @@ -4561,6 +4641,9 @@ XS(w32_GetOSVersion) XSRETURN_EMPTY; } } + if (GIMME_V == G_SCALAR) { + XSRETURN_IV(osverw.dwPlatformId); + } W2AHELPER(osverw.szCSDVersion, szCSDVersion, sizeof(szCSDVersion)); XPUSHs(newSVpvn(szCSDVersion, strlen(szCSDVersion))); osver.dwMajorVersion = osverw.dwMajorVersion; @@ -4581,6 +4664,9 @@ XS(w32_GetOSVersion) XSRETURN_EMPTY; } } + if (GIMME_V == G_SCALAR) { + XSRETURN_IV(osver.dwPlatformId); + } XPUSHs(newSVpvn(osver.szCSDVersion, strlen(osver.szCSDVersion))); } XPUSHs(newSViv(osver.dwMajorVersion)); @@ -4740,13 +4826,15 @@ XS(w32_GetFullPathName) SV *fullpath; char *filepart; DWORD len; + STRLEN filename_len; + char *filename_p; if (items != 1) Perl_croak(aTHX_ "usage: Win32::GetFullPathName($filename)"); filename = ST(0); - fullpath = sv_mortalcopy(filename); - SvUPGRADE(fullpath, SVt_PV); + filename_p = SvPV(filename, filename_len); + fullpath = sv_2mortal(newSVpvn(filename_p, filename_len)); if (!SvPVX(fullpath) || !SvLEN(fullpath)) XSRETURN_UNDEF; @@ -5025,7 +5113,6 @@ Perl_sys_intern_init(pTHX) New(1313, w32_pseudo_children, 1, child_tab); w32_num_pseudo_children = 0; # endif - w32_init_socktype = 0; w32_timerid = 0; w32_poll_count = 0; for (i=0; i < SIG_SIZE; i++) { @@ -5079,7 +5166,6 @@ Perl_sys_intern_dup(pTHX_ struct interp_intern *src, struct interp_intern *dst) Newz(1313, dst->children, 1, child_tab); dst->pseudo_id = 0; Newz(1313, dst->pseudo_children, 1, child_tab); - dst->thr_intern.Winit_socktype = 0; dst->timerid = 0; dst->poll_count = 0; Copy(src->sigtable,dst->sigtable,SIG_SIZE,Sighandler_t);