X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fxgetcwd.c;h=2089b8897c89e98d236c4377638df58ed2894520;hb=52f70a4b2fae0a54ed61898709994ec37e666f0a;hp=1409bcfba7d684d628e6b1283a2e7303f1d6dd4e;hpb=c824c60fa88c9bd26e6f3b5fd2551d86ae6fccdc;p=gnulib.git

diff --git a/lib/xgetcwd.c b/lib/xgetcwd.c
index 1409bcfba..2089b8897 100644
--- a/lib/xgetcwd.c
+++ b/lib/xgetcwd.c
@@ -1,5 +1,5 @@
 /* xgetcwd.c -- return current directory with unlimited length
-   Copyright (C) 1992, 1996, 2000, 2001 Free Software Foundation, Inc.
+   Copyright (C) 1992, 1996, 2000, 2001, 2003 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
@@ -28,10 +28,8 @@ extern int errno;
 #endif
 
 #include <sys/types.h>
+#include <stdlib.h>
 
-#if HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
 #if HAVE_UNISTD_H
 # include <unistd.h>
 #endif
@@ -46,12 +44,16 @@ char *getwd ();
 #endif
 
 #include "xalloc.h"
+#include "xgetcwd.h"
 
-/* Return the current directory, newly allocated, arbitrarily long.
-   Return NULL and set errno on error. */
+/* Return the current directory, newly allocated, assuming it fits
+   within PATH_MAX bytes -- this is a common system-imposed limit
+   on how getcwd works.
+   Upon an out-of-memory error, call xalloc_die.
+   Upon any other type of error, return NULL.  */
 
 char *
-xgetcwd ()
+xgetcwd (void)
 {
 #if HAVE_GETCWD_NULL
   char *cwd = getcwd (NULL, 0);