From af8dd6d427766acb124e57a1c7fc758e5b09daa9 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sun, 28 Jul 2002 13:15:48 +0000
Subject: (jm_FUNC_READDIR): Remove file/macro.  No longer needed.

---
 m4/readdir.m4 | 132 ----------------------------------------------------------
 1 file changed, 132 deletions(-)
 delete mode 100644 m4/readdir.m4

(limited to 'm4')

diff --git a/m4/readdir.m4 b/m4/readdir.m4
deleted file mode 100644
index 03ac3312d..000000000
--- a/m4/readdir.m4
+++ /dev/null
@@ -1,132 +0,0 @@
-#serial 4
-
-dnl SunOS's readdir is broken in such a way that rm.c has to add extra code
-dnl to test whether a NULL return value really means there are no more files
-dnl in the directory.
-dnl
-dnl Detect the problem by creating a directory containing 300 files (254 not
-dnl counting . and .. is the minimum) and see if a loop doing `readdir; unlink'
-dnl removes all of them.
-dnl
-dnl Define HAVE_WORKING_READDIR if readdir does *not* have this problem.
-
-dnl Written by Jim Meyering.
-
-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,
-  [dnl
-  # Arrange for deletion of the temporary directory this test creates, in
-  # case the test itself fails to delete everything -- as happens on Sunos.
-  ac_clean_files="$ac_clean_files conf-dir"
-
-  AC_TRY_RUN(
-[#   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')))
-
-/* Don't try to use replacement mkdir; it wouldn't resolve at link time.  */
-#   undef mkdir
-
-    static void
-    create_300_file_dir (const char *dir)
-    {
-      int i;
-
-      if (mkdir (dir, 0700))
-	abort ();
-      if (chdir (dir))
-	abort ();
-
-      for (i = 0; i < 300; i++)
-	{
-	  char file_name[4];
-	  FILE *out;
-
-	  sprintf (file_name, "%03d", i);
-	  out = fopen (file_name, "w");
-	  if (!out)
-	    abort ();
-	  if (fclose (out) == EOF)
-	    abort ();
-	}
-
-      if (chdir (".."))
-	abort ();
-    }
-
-    static void
-    remove_dir (const char *dir)
-    {
-      DIR *dirp;
-
-      if (chdir (dir))
-	abort ();
-
-      dirp = opendir (".");
-      if (dirp == NULL)
-	abort ();
-
-      while (1)
-	{
-	  struct dirent *dp = readdir (dirp);
-	  if (dp == NULL)
-	    break;
-
-	  if (DOT_OR_DOTDOT (dp->d_name))
-	    continue;
-
-	  if (unlink (dp->d_name))
-	    abort ();
-	}
-      closedir (dirp);
-
-      if (chdir (".."))
-	abort ();
-
-      if (rmdir (dir))
-	exit (1);
-    }
-
-    int
-    main ()
-    {
-      const char *dir = "conf-dir";
-      create_300_file_dir (dir);
-      remove_dir (dir);
-      exit (0);
-    }],
-  jm_cv_func_working_readdir=yes,
-  jm_cv_func_working_readdir=no,
-  jm_cv_func_working_readdir=no)])
-
-  if test $jm_cv_func_working_readdir = yes; then
-    AC_DEFINE(HAVE_WORKING_READDIR, 1,
-[Define if readdir is found to work properly in some unusual cases. ])
-  fi
-])
-- 
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