(oatoi): declare arg to be const

[gnulib.git] / lib / savedir.c

diff --git a/lib/savedir.c b/lib/savedir.c
index 32c793b..5a9c339 100644 (file)
--- a/lib/savedir.c
+++ b/lib/savedir.c
@@ -1,5 +1,5 @@
 /* savedir.c -- save the list of files in a directory in a string
-   Copyright (C) 1990 Free Software Foundation, Inc.
+   Copyright (C) 1990, 1997, 1998 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -12,57 +12,61 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 /* Written by David MacKenzie <djm@gnu.ai.mit.edu>. */
 
-#ifdef HAVE_CONFIG_H
-#include <config.h>
+#if HAVE_CONFIG_H
+# include <config.h>
 #endif
 
 #include <sys/types.h>
 
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
+#if HAVE_UNISTD_H
+# include <unistd.h>
 #endif
 
-#ifdef HAVE_DIRENT_H
-#include <dirent.h>
-#define NLENGTH(direct) (strlen((direct)->d_name))
-#else /* not HAVE_DIRENT_H */
-#define dirent direct
-#define NLENGTH(direct) ((direct)->d_namlen)
-#ifdef HAVE_SYS_NDIR_H
-#include <sys/ndir.h>
-#endif /* HAVE_SYS_NDIR_H */
-#ifdef HAVE_SYS_DIR_H
-#include <sys/dir.h>
-#endif /* HAVE_SYS_DIR_H */
-#ifdef HAVE_NDIR_H
-#include <ndir.h>
-#endif /* HAVE_NDIR_H */
-#endif /* HAVE_DIRENT_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
 
 #ifdef CLOSEDIR_VOID
 /* Fake a return value. */
-#define CLOSEDIR(d) (closedir (d), 0)
+# define CLOSEDIR(d) (closedir (d), 0)
 #else
-#define CLOSEDIR(d) closedir (d)
+# define CLOSEDIR(d) closedir (d)
 #endif
 
 #ifdef STDC_HEADERS
-#include <stdlib.h>
-#include <string.h>
+# include <stdlib.h>
+# include <string.h>
 #else
 char *malloc ();
 char *realloc ();
-#ifndef NULL
-#define NULL 0
 #endif
+#ifndef NULL
+# define NULL 0
 #endif
 
+#ifndef stpcpy
 char *stpcpy ();
+#endif
+
+#include "savedir.h"
 
 /* Return a freshly allocated string containing the filenames
    in directory DIR, separated by '\0' characters;
@@ -73,8 +77,8 @@ char *stpcpy ();
 
 char *
 savedir (dir, name_size)
-     char *dir;
-     unsigned name_size;
+     const char *dir;
+     unsigned int name_size;
 {
   DIR *dirp;
   struct dirent *dp;
@@ -100,7 +104,7 @@ savedir (dir, name_size)
          || (dp->d_name[1] != '\0'
              && (dp->d_name[1] != '.' || dp->d_name[2] != '\0')))
        {
-         unsigned size_needed = (namep - name_space) + NLENGTH (dp) + 2;
+         unsigned size_needed = (namep - name_space) + NAMLEN (dp) + 2;
 
          if (size_needed > name_size)
            {