X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=libbb%2Fxgetcwd.c;h=f6cfb34a75fa871202dfa34d9113668cb8d4eee5;hb=1cca9484db69971f652dfef48778da0dc56dad12;hp=4f7748123fe9e87165241d5e1ea4103e1af5bc70;hpb=c0f9d0dce7a4d1ef1b2fd19f98fc0ec94c3887e4;p=oweals%2Fbusybox.git

diff --git a/libbb/xgetcwd.c b/libbb/xgetcwd.c
index 4f7748123..f6cfb34a7 100644
--- a/libbb/xgetcwd.c
+++ b/libbb/xgetcwd.c
@@ -1,9 +1,10 @@
+/* vi: set sw=4 ts=4: */
 /*
  * xgetcwd.c -- return current directory with unlimited length
  * Copyright (C) 1992, 1996 Free Software Foundation, Inc.
  * Written by David MacKenzie <djm@gnu.ai.mit.edu>.
  *
- * Special function for busybox written by Vladimir Oleynik <vodz@usa.net>
+ * Special function for busybox written by Vladimir Oleynik <dzo@simtreas.ru>
 */
 
 #include <stdlib.h>
@@ -27,25 +28,20 @@ xgetcwd (char *cwd)
   char *ret;
   unsigned path_max;
 
-  errno = 0;
   path_max = (unsigned) PATH_MAX;
   path_max += 2;                /* The getcwd docs say to do this. */
 
   if(cwd==0)
 	cwd = xmalloc (path_max);
 
-  errno = 0;
   while ((ret = getcwd (cwd, path_max)) == NULL && errno == ERANGE) {
       path_max += PATH_INCR;
       cwd = xrealloc (cwd, path_max);
-      errno = 0;
   }
 
   if (ret == NULL) {
-      int save_errno = errno;
       free (cwd);
-      errno = save_errno;
-      perror_msg("getcwd()");
+      bb_perror_msg("getcwd()");
       return NULL;
   }