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authorUlrich Drepper <drepper@redhat.com>2005-10-14 14:10:20 +0000
committerUlrich Drepper <drepper@redhat.com>2005-10-14 14:10:20 +0000
commit576c8451485408d776914e756e5cc554e9d93eda (patch)
tree36c76940f6aaea04798eac3d55d4684bca69662e /time/bug-asctime.c
parent93c6cb8b8d5c48944c82243b82713e97fd13dc17 (diff)
downloadglibc-576c8451485408d776914e756e5cc554e9d93eda.tar.gz
[BZ #1459]
* time/asctime.c (__asctime_r): Check for tm_year computation to overflow and fail in this case. * time/Makefile (tests): Add bug-asctime. * time/bug-asctime.c: New file.
Diffstat (limited to 'time/bug-asctime.c')
-rw-r--r--time/bug-asctime.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/time/bug-asctime.c b/time/bug-asctime.c
new file mode 100644
index 0000000000..7204e1b2fe
--- /dev/null
+++ b/time/bug-asctime.c
@@ -0,0 +1,32 @@
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <time.h>
+
+
+static int
+do_test (void)
+{
+ int result = 0;
+ time_t t = time (NULL);
+ struct tm *tp = localtime (&t);
+ tp->tm_year = INT_MAX;
+ errno = 0;
+ char *s = asctime (tp);
+ if (s != NULL || errno != EOVERFLOW)
+ {
+ puts ("asctime did not fail correctly");
+ result = 1;
+ }
+ char buf[1000];
+ s = asctime_r (tp, buf);
+ if (s != NULL || errno != EOVERFLOW)
+ {
+ puts ("asctime_r did not fail correctly");
+ result = 1;
+ }
+ return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"