/* mingw32.c: bits and pieces for mingw32 Copyright 2009-2017 Taco Hoekwater . This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, see . */ /* Original sources lifted from the distribution of XEmacs for Windows NT, Copyright 1994-1996 Free Software Foundation, later adapted to fpTeX 0.4 (2000) by Fabrice Popineau , then simplified and re-adapted to TeXLive (2009) by Taco Hoekwater . */ #ifdef __MINGW32__ #include #include #include #include #include #include #include #include #include #include /* Emulate getpwuid, getpwnam and others. */ typedef HWND (WINAPI *pGetDesktopWindow)(void); typedef HRESULT (WINAPI * pSHGetSpecialFolderPathA)(HWND, LPSTR, int, BOOL); extern int __cdecl _set_osfhnd (int fd, long h); extern int __cdecl _free_osfhnd (int fd); static char *get_home_directory (void); static int _parse_root (char * name, char ** pPath); double win32_floor (double x) { return floor (x); } void init_user_info (void) { /* Ensure HOME and SHELL are defined. */ char *home = get_home_directory(); if (home) { putenv(concat("HOME=", home)); } else { putenv ("HOME=c:/"); } if (getenv ("SHELL") == NULL) putenv ((GetVersion () & 0x80000000) ? "SHELL=command" : "SHELL=cmd"); { /* Win2K problem : we need a specific TEMP directory with full access rights so that any user building a format file or a font file will build it with full access rights. The installer takes care of defining TEXMFTEMP=$SELFAUTOPARENT/tmp in the environment. If it is defined, then use it as the TEMP and TMP variables. */ char *p; if ((p = getenv("TEXMFTEMP")) != NULL) { putenv(concat("TEMP=", p)); putenv(concat("TMP=", p)); } } } /* Returns the home directory, in external format */ static char * get_home_directory (void) { char *found_home_directory = NULL; if ((found_home_directory = getenv("HOME")) != NULL) { char q[MAXPATHLEN]; /* In case it is %HOMEDRIVE%%HOMEPATH% */ if (ExpandEnvironmentStrings(found_home_directory, q, sizeof(q)) == 0) { /* Error */ found_home_directory = NULL; } else { found_home_directory = xstrdup(q); goto done; } } { char *homedrive, *homepath; if ((homedrive = getenv("HOMEDRIVE")) != NULL && (homepath = getenv("HOMEPATH")) != NULL) { found_home_directory = concat(homedrive, homepath); goto done; } } /* This method is the prefered one because even if it requires a more recent shell32.dll, it does not need to call SHMalloc()->Free() */ { /* This will probably give the wrong value */ char q [MAXPATHLEN]; HINSTANCE h; pSHGetSpecialFolderPathA p1; pGetDesktopWindow p2; HWND hwnd = NULL; if ((h = LoadLibrary("user32.dll"))) { if ((p2 = (pGetDesktopWindow)GetProcAddress(h, "GetDesktopWindow"))) hwnd = (*p2)(); FreeLibrary(h); } if (hwnd && (h = LoadLibrary("shell32.dll"))) { if ((p1 = (pSHGetSpecialFolderPathA)GetProcAddress(h, "SHGetSpecialFolderPathA"))) if ((*p1)(hwnd, q, CSIDL_PERSONAL, TRUE)) { found_home_directory = xstrdup(q); } FreeLibrary(h); } if (found_home_directory) goto done; } if (1) { fprintf(stderr, "kpathsea has been unable to determine a good value for the user's $HOME\n" " directory, and will be using the value:\n" " %s\n" " This is probably incorrect.\n", found_home_directory ); } done: return found_home_directory; } /* Consider cached volume information to be stale if older than 10s, at least for non-local drives. Info for fixed drives is never stale. */ #define DRIVE_INDEX( c ) ( (c) <= 'Z' ? (c) - 'A' : (c) - 'a' ) #define VOLINFO_STILL_VALID( root_dir, info ) \ ( ( isalpha (root_dir[0]) ) \ || GetTickCount () - info->timestamp < 10000 ) /* Normalize filename by converting all path separators to the specified separator. Also conditionally convert upper case path name components to lower case. Returns the index of the first meaningful char in the path past any drive specifier of unc name specifier. Remove any multiple path separators after a leading drive specifier or double path separator. */ static int normalize_filename (char *fp, char path_sep) { char *p; int ret, i; /* Always lower-case drive letters a-z, even if the filesystem preserves case in filenames. This is so filenames can be compared by string comparison functions that are case-sensitive. Even case-preserving filesystems do not distinguish case in drive letters. */ if (fp[1] == ':' && *fp >= 'A' && *fp <= 'Z') { *fp += 'a' - 'A'; } /* Remove unneeded double slashes */ ret = (IS_UNC_NAME(fp) ? 2 : NAME_BEGINS_WITH_DEVICE(fp) ? (IS_DIR_SEP(*(fp+2)) ? 3 : 2) : IS_DIR_SEP(*fp) ? 1 : 0); for (i = ret, p = fp+i; IS_DIR_SEP(*p); i++, p++); if (i > ret) { int len = strlen(fp+i); /* remove unneeded slashes, for the sake of win95 */ #if 0 fprintf(stderr, "moving %s to %s\n", fp+ret, fp+i); #endif memmove (fp+ret, fp+i, len+1); } /* conditionnally rewrite to same path_sep, slash preferably */ if (path_sep) { for (p = fp; *p; p++) if (IS_DIR_SEP(*p)) *p = path_sep; } #if 0 fprintf(stderr, "normalize_filename returned (%d) %s\n", ret, fp); #endif return ret; } /* Destructively turn backslashes into slashes. */ #if 0 /* unused */ static void dostounix_filename (char *p) { normalize_filename (p, '/'); } #endif /* Destructively turn slashes into backslashes. */ static void unixtodos_filename (char *p) { normalize_filename (p, '\\'); } /* Remove all CR's that are followed by a LF. (From msdos.c...probably should figure out a way to share it, although this code isn't going to ever change.) */ #if 0 /* unused */ static int crlf_to_lf (int n, unsigned char *buf, unsigned *lf_count) { unsigned char *np = buf; unsigned char *startp = buf; unsigned char *endp = buf + n; if (n == 0) return n; while (buf < endp - 1) { if (*buf == 0x0a) (*lf_count)++; if (*buf == 0x0d) { if (*(++buf) != 0x0a) *np++ = 0x0d; } else *np++ = *buf++; } if (buf < endp) { if (*buf == 0x0a) (*lf_count)++; *np++ = *buf++; } return np - startp; } #endif /* Parse the root part of file name, if present. Return length and optionally store pointer to char after root. */ static int _parse_root (char * name, char ** pPath) { char * start = name; if (name == NULL) return 0; /* find the root name of the volume if given */ if (isalpha (name[0]) && name[1] == ':') { /* skip past drive specifier */ name += 2; if (IS_DIR_SEP (name[0])) name++; } else if (IS_DIR_SEP (name[0]) && IS_DIR_SEP (name[1])) { int slashes = 2; name += 2; do { if (IS_DIR_SEP (*name) && --slashes == 0) break; name++; } while ( *name ); if (IS_DIR_SEP (name[0])) name++; } if (pPath) *pPath = name; return name - start; } /* Get long base name for name; name is assumed to be absolute. */ static int get_long_basename (char * name, char * buf, int size) { WIN32_FIND_DATA find_data; HANDLE dir_handle; int len = 0; #ifdef PIGSFLY char *p; /* If the last component of NAME has a wildcard character, return it as the basename. */ p = name + strlen (name); while (*p != '\\' && *p != ':' && p > name) p--; if (p > name) p++; if (strchr (p, '*') || strchr (p, '?')) { if ((len = strlen (p)) < size) memcpy (buf, p, len + 1); else len = 0; return len; } #endif dir_handle = FindFirstFile (name, &find_data); if (dir_handle != INVALID_HANDLE_VALUE) { if ((len = strlen (find_data.cFileName)) < size) memcpy (buf, find_data.cFileName, len + 1); else len = 0; FindClose (dir_handle); } return len; } /* Get long name for file, if possible (assumed to be absolute). */ BOOL win32_get_long_filename (char * name, char * buf, int size) { char * o = buf; char * p; char * q; char full[ MAX_PATH ]; int len; len = strlen (name); if (len >= MAX_PATH) return FALSE; /* Use local copy for destructive modification. */ memcpy (full, name, len+1); unixtodos_filename (full); /* Copy root part verbatim. */ len = _parse_root (full, &p); memcpy (o, full, len); o += len; size -= len; do { q = p; p = strchr (q, '\\'); if (p) *p = '\0'; len = get_long_basename (full, o, size); if (len > 0) { o += len; size -= len; if (p != NULL) { *p++ = '\\'; if (size < 2) return FALSE; *o++ = '\\'; size--; *o = '\0'; } } else return FALSE; } while (p != NULL && *p); return TRUE; } /* special TeXLive Ghostscript */ static int is_dir (char *buff) { struct stat stats; return stat (buff, &stats) == 0 && S_ISDIR (stats.st_mode); } /* TeXlive uses its own gs in $SELFAUTOPARENT/tlpkg/tlgs */ void texlive_gs_init(void) { char *nptr, *path; char tlgsbindir[512]; char tlgslibdir[512]; char resourcedir[512]; nptr = kpse_var_value("TEXLIVE_WINDOWS_EXTERNAL_GS"); if (nptr == NULL || *nptr == '0' || *nptr == 'n' || *nptr == 'f') { if (nptr) free (nptr); nptr = kpse_var_value("SELFAUTOPARENT"); if (nptr) { strcpy(tlgsbindir, nptr); strcat(tlgsbindir,"/tlpkg/tlgs"); strcpy(resourcedir, tlgsbindir); strcat(resourcedir, "/Resource"); if(is_dir(tlgsbindir)) { strcpy(tlgslibdir, tlgsbindir); strcat(tlgslibdir, "/lib;"); if(is_dir(resourcedir)) { strcat(tlgslibdir, tlgsbindir); strcat(tlgslibdir, "/fonts;"); strcat(tlgslibdir, tlgsbindir); strcat(tlgslibdir, "/Resource/Init;"); strcat(tlgslibdir, tlgsbindir); strcat(tlgslibdir, "/Resource;"); strcat(tlgslibdir, tlgsbindir); strcat(tlgslibdir, "/kanji"); } else { strcat(tlgslibdir, tlgsbindir); strcat(tlgslibdir, "/fonts"); } strcat(tlgsbindir, "/bin;"); free(nptr); for(nptr = tlgsbindir; *nptr; nptr++) { if(*nptr == '/') *nptr = '\\'; } nptr = getenv("PATH"); path = (char *)malloc(strlen(nptr) + strlen(tlgsbindir) + 6); strcpy(path, tlgsbindir); strcat(path, nptr); xputenv("PATH", path); xputenv("GS_LIB", tlgslibdir); } } } else { free (nptr); } } #endif /* __MINGW32__ */