X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fareadlink-with-size.c;h=a291a41b6b8c6ac81fcd8b251ee238e2dadcafc3;hb=f62a2da1390a78aebe7dcbc5753ba7a2b34cf1fd;hp=625ddb795eb5290cc3785872d8fdf6b5d7cc45e9;hpb=2ee3ac7fd334d0fe044d8f3aa49636a86b01e026;p=gnulib.git

diff --git a/lib/areadlink-with-size.c b/lib/areadlink-with-size.c
index 625ddb795..a291a41b6 100644
--- a/lib/areadlink-with-size.c
+++ b/lib/areadlink-with-size.c
@@ -1,7 +1,7 @@
 /* readlink wrapper to return the link name in malloc'd storage.
    Unlike xreadlink and xreadlink_with_size, don't ever call exit.
 
-   Copyright (C) 2001, 2003-2007, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2003-2007, 2009-2012 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
@@ -57,8 +57,8 @@ areadlink_with_size (char const *file, size_t size)
   size_t symlink_max = SYMLINK_MAX;
   size_t INITIAL_LIMIT_BOUND = 8 * 1024;
   size_t initial_limit = (symlink_max < INITIAL_LIMIT_BOUND
-			  ? symlink_max + 1
-			  : INITIAL_LIMIT_BOUND);
+                          ? symlink_max + 1
+                          : INITIAL_LIMIT_BOUND);
 
   /* The initial buffer size for the link value.  */
   size_t buf_size = size < initial_limit ? size + 1 : initial_limit;
@@ -70,35 +70,35 @@ areadlink_with_size (char const *file, size_t size)
       char *buffer = malloc (buf_size);
 
       if (buffer == NULL)
-	return NULL;
+        return NULL;
       r = readlink (file, buffer, buf_size);
       link_length = r;
 
       /* On AIX 5L v5.3 and HP-UX 11i v2 04/09, readlink returns -1
-	 with errno == ERANGE if the buffer is too small.  */
+         with errno == ERANGE if the buffer is too small.  */
       if (r < 0 && errno != ERANGE)
-	{
-	  int saved_errno = errno;
-	  free (buffer);
-	  errno = saved_errno;
-	  return NULL;
-	}
+        {
+          int saved_errno = errno;
+          free (buffer);
+          errno = saved_errno;
+          return NULL;
+        }
 
       if (link_length < buf_size)
-	{
-	  buffer[link_length] = 0;
-	  return buffer;
-	}
+        {
+          buffer[link_length] = 0;
+          return buffer;
+        }
 
       free (buffer);
       if (buf_size <= MAXSIZE / 2)
-	buf_size *= 2;
+        buf_size *= 2;
       else if (buf_size < MAXSIZE)
-	buf_size = MAXSIZE;
+        buf_size = MAXSIZE;
       else
-	{
-	  errno = ENOMEM;
-	  return NULL;
-	}
+        {
+          errno = ENOMEM;
+          return NULL;
+        }
     }
 }