/* Utility and Unix shadow routines for XEmacs on Windows NT. Copyright (C) 1994, 1995 Free Software Foundation, Inc. This file is part of XEmacs. XEmacs is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. XEmacs 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 General Public License for more details. You should have received a copy of the GNU General Public License along with XEmacs; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. Geoff Voelker (voelker@cs.washington.edu) 7-29-94 */ /* Adapted for XEmacs by David Hobley */ /* Sync'ed with Emacs 19.34.6 by Marc Paquette */ /* Adapted to fpTeX 0.4 by Fabrice Popineau */ #include #include /* Emulate the Unix directory procedures opendir, closedir, and readdir. We can't use the procedures supplied in sysdep.c, so we provide them here. */ struct direct dir_static; /* simulated directory contents */ HANDLE dir_find_handle = INVALID_HANDLE_VALUE; static int dir_is_fat; char dir_pathname[MAXPATHLEN+1]; WIN32_FIND_DATA dir_find_data; DIR * opendir (const char *filename) { DIR *dirp; /* Opening is done by FindFirstFile. However, a read is inherent to this operation, so we defer the open until read time. */ if (!(dirp = (DIR *)xmalloc(sizeof(DIR)))) return NULL; ZeroMemory(dirp, sizeof(DIR)); if (dir_find_handle != INVALID_HANDLE_VALUE) return NULL; dirp->dd_fd = 0; dirp->dd_loc = 0; dirp->dd_size = 0; strncpy (dir_pathname, map_win32_filename (filename, NULL), MAXPATHLEN); dir_pathname[MAXPATHLEN] = '\0'; dir_is_fat = is_fat_volume (filename, NULL); return dirp; } void closedir (DIR *dirp) { /* If we have a find-handle open, close it. */ if (dir_find_handle != INVALID_HANDLE_VALUE) { FindClose (dir_find_handle); dir_find_handle = INVALID_HANDLE_VALUE; } free (dirp); } struct direct * readdir (DIR *dirp) { /* If we aren't dir_finding, do a find-first, otherwise do a find-next. */ if (dir_find_handle == INVALID_HANDLE_VALUE) { char filename[MAXNAMLEN + 3]; int ln; strcpy (filename, dir_pathname); ln = strlen (filename) - 1; if (!IS_DIR_SEP (filename[ln])) strcat (filename, "\\"); strcat (filename, "*"); dir_find_handle = FindFirstFile (filename, &dir_find_data); if (dir_find_handle == INVALID_HANDLE_VALUE) return NULL; } else { if (!FindNextFile (dir_find_handle, &dir_find_data)) return NULL; } /* Emacs never uses this value, so don't bother making it match value returned by stat(). */ dir_static.d_ino = 1; dir_static.d_reclen = sizeof (struct direct) - MAXNAMLEN + 3 + dir_static.d_namlen - dir_static.d_namlen % 4; dir_static.d_namlen = strlen (dir_find_data.cFileName); strcpy (dir_static.d_name, dir_find_data.cFileName); if (dir_is_fat) _strlwr (dir_static.d_name); else #if 0 if (!NILP (Vmswindows_downcase_file_names)) #endif { char *p; for (p = dir_static.d_name; *p; p++) if (*p >= 'a' && *p <= 'z') break; if (!*p) _strlwr (dir_static.d_name); } return &dir_static; }