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authorUlrich Drepper <drepper@redhat.com>2001-01-08 17:21:48 +0000
committerUlrich Drepper <drepper@redhat.com>2001-01-08 17:21:48 +0000
commitcf1bb6d5c03ea7e3b3e02e8a427e0c504a17d44b (patch)
tree6444fa7f58ee19258ec7c0899c9155f5f82ec876 /malloc
parent1950ebc6cb9f699db2cb62b3a203e95d6e1f5e65 (diff)
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Update.
* malloc/memusage.c (me): Use access() to determine whether we should write the output file or not.
Diffstat (limited to 'malloc')
-rw-r--r--malloc/memusage.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/malloc/memusage.c b/malloc/memusage.c
index 34e3347..7d1ee94 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);