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-rw-r--r--Build/source/libs/libgnuw32/dirent.c129
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diff --git a/Build/source/libs/libgnuw32/dirent.c b/Build/source/libs/libgnuw32/dirent.c
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+/* 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 <david@spook-le0.cia.com.au> */
+/* Sync'ed with Emacs 19.34.6 by Marc Paquette <marcpa@cam.org> */
+/* Adapted to fpTeX 0.4 by Fabrice Popineau <Fabrice.Popineau@supelec.fr> */
+
+#include <sys/dir.h>
+#include <win32lib.h>
+
+/* 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;
+}