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-rw-r--r--malloc/memusage.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/malloc/memusage.c b/malloc/memusage.c
index 34e33475e3..7d1ee94b56 100644
--- a/malloc/memusage.c
+++ b/malloc/memusage.c
@@ -1,5 +1,5 @@
 /* Profile heap and stack memory usage of running program.
-   Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
@@ -200,7 +200,8 @@ me (void)
   if (!not_me && fd == -1)
     {
       const char *outname = getenv ("MEMUSAGE_OUTPUT");
-      if (outname != NULL)
+      if (outname != NULL && outname[0] != '\0'
+	  && access (outname, R_OK | W_OK) == 0)
 	{
 	  fd = creat (outname, 0666);