Initial revision

git-svn-id: file:///fltk/svn/fltk/trunk@2 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 128 insertions, 0 deletions

diff --git a/src/scandir.c b/src/scandir.c
new file mode 100644
index 000000000..e3b60bedf
--- /dev/null
+++ b/src/scandir.c
@@ -0,0 +1,128 @@
+/* Copyright (C) 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+USA.  */
+
+#ifdef WIN32
+#include "scandir_win32.c"
+#else
+
+#include <config.h>
+
+#if HAVE_SCANDIR
+#else
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <string.h>
+#include <errno.h>
+
+#if HAVE_DIRENT_H
+# include <dirent.h>
+# define NAMLEN(dirent) strlen((dirent)->d_name)
+#else
+# define dirent direct
+# define NAMLEN(dirent) (dirent)->d_namlen
+# if HAVE_SYS_NDIR_H
+#  include <sys/ndir.h>
+# endif
+# if HAVE_SYS_DIR_H
+#  include <sys/dir.h>
+# endif
+# if HAVE_NDIR_H
+#  include <ndir.h>
+# endif
+#endif
+
+int
+scandir (const char *dir, struct dirent ***namelist,
+	 int (*select)(const struct dirent *),
+	 int (*compar)(const struct dirent **, const struct dirent **))
+{
+  DIR *dp = opendir (dir);
+  struct dirent **v = NULL;
+  size_t vsize = 0, i;
+  struct dirent *d;
+  int save;
+
+  if (dp == NULL)
+    return -1;
+
+  save = errno;
+  errno = 0;
+
+  i = 0;
+  while ((d = readdir (dp)) != NULL)
+    if (select == NULL || (*select) (d))
+      {
+      size_t dsize;
+
+      if (i == vsize)
+        {
+          struct dirent **new;
+          if (vsize == 0)
+            vsize = 10;
+          else
+            vsize *= 2;
+          new = (struct dirent **) realloc (v, vsize * sizeof (*v));
+          if (new == NULL)
+            {
+            lose:
+              errno = ENOMEM;
+              break;
+            }
+          v = new;
+        }
+
+#define _D_EXACT_NAMLEN(d) (strlen ((d)->d_name))
+#define _D_ALLOC_NAMLEN(d) (sizeof (d)->d_name > 1 ? sizeof (d)->d_name : \
+                              _D_EXACT_NAMLEN (d) + 1)
+
+      dsize = &d->d_name[_D_ALLOC_NAMLEN (d)] - (char *) d;
+      v[i] = (struct dirent *) malloc (dsize);
+      if (v[i] == NULL)
+        goto lose;
+
+      memcpy (v[i++], d, dsize);
+      }
+
+  if (errno != 0)
+    {
+      save = errno;
+      (void) closedir (dp);
+      while (i > 0)
+      free (v[--i]);
+      free (v);
+      errno = save;
+      return -1;
+    }
+
+  (void) closedir (dp);
+  errno = save;
+
+  /* Sort the list if we have a comparison function to sort with.  */
+  if (compar) qsort (v, i, sizeof (*v), compar);
+  *namelist = v;
+  return i;
+}
+
+int alphasort (const struct dirent **a, const struct dirent **b) {
+  return strcmp ((*a)->d_name, (*b)->d_name);
+}
+
+#endif
+#endif