X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Freaddir.m4;h=bd7be5c3a66c3c71dbd46b90b4c36ff80da6f4c8;hb=46f5f314f34a08c9305758482d7d2fdb0e999d09;hp=0bfc459d657a24e4c0a4571adf43c9e0f2e16231;hpb=964b557add9b71f98f4a8e13084374d2f24e96a8;p=gnulib.git

diff --git a/m4/readdir.m4 b/m4/readdir.m4
index 0bfc459d6..bd7be5c3a 100644
--- a/m4/readdir.m4
+++ b/m4/readdir.m4
@@ -1,125 +1,15 @@
-#serial 1
-
-dnl FIXME: describe
-
-AC_DEFUN(jm_FUNC_READDIR,
-[dnl
-AC_REQUIRE([AC_HEADER_DIRENT])
-AC_CHECK_HEADERS(string.h)
-AC_CACHE_CHECK([for working readdir], jm_cv_func_working_readdir,
-  [AC_TRY_RUN(
-  changequote(<<, >>)dnl
-  <<
-#   include <stdio.h>
-#   include <sys/types.h>
-#   if HAVE_STRING_H
-#    include <string.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 */
-
-#   define DOT_OR_DOTDOT(Basename) \
-     (Basename[0] == '.' && (Basename[1] == '\0' \
-			     || (Basename[1] == '.' && Basename[2] == '\0')))
-
-    static void
-    create_300_file_dir (const char *dir)
-    {
-      int i;
-
-      if (mkdir (dir, 0700))
-	exit (1);
-      if (chdir (dir))
-	exit (1);
-
-      for (i = 0; i < 300; i++)
-	{
-	  char file_name[4];
-	  FILE *out;
-
-	  sprintf (file_name, "%03d", i);
-	  out = fopen (file_name, "w");
-	  if (!out)
-	    exit (1);
-	  if (fclose (out) == EOF)
-	    exit (1);
-	}
-
-      if (chdir (".."))
-	exit (1);
-    }
-
-    static void
-    remove_dir (const char *dir)
-    {
-      DIR *dirp;
-
-      if (chdir (dir))
-	exit (1);
-
-      dirp = opendir (".");
-      if (dirp == NULL)
-	exit (1);
-
-      while (1)
-	{
-	  struct dirent *dp = readdir (dirp);
-	  if (dp == NULL)
-	    break;
-
-	  if (DOT_OR_DOTDOT (dp->d_name))
-	    continue;
-
-	  if (unlink (dp->d_name))
-	    exit (1);
-	}
-      closedir (dirp);
-
-      if (chdir (".."))
-	exit (1);
-
-      if (rmdir (dir))
-	exit (1);
-    }
-
-    int
-    main ()
-    {
-      const char *dir = "conf-dir";
-      create_300_file_dir (dir);
-      remove_dir (dir);
-      exit (0);
-    }
-  >>,
-  changequote([, ])dnl
-  jm_cv_func_working_readdir=yes,
-  jm_cv_func_working_readdir=no,
-  jm_cv_func_working_readdir=no)])
-
-  if test x = y; then
-    dnl This code is deliberately never run via ./configure.
-    dnl FIXME: this is a gross hack to make autoheader put an entry
-    dnl for this HAVE_-prefixed symbol in config.h.in.
-    AC_CHECK_FUNCS(WORKING_READDIR)
-  fi
-
-  if test $jm_cv_func_working_readdir = yes; then
-    ac_kludge=HAVE_WORKING_READDIR
-    AC_DEFINE_UNQUOTED($ac_kludge)
+# readdir.m4 serial 1
+dnl Copyright (C) 2011-2014 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_READDIR],
+[
+  AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
+
+  AC_CHECK_FUNCS([readdir])
+  if test $ac_cv_func_readdir = no; then
+    HAVE_READDIR=0
   fi
 ])