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| author | Tommi Rantala <tt.rantala@gmail.com> | 2012-08-16 10:25:56 +0300 |
|---|---|---|
| committer | Tommi Rantala <tt.rantala@gmail.com> | 2012-09-28 14:50:03 +0300 |
| commit | 848ad53a47e8fbef24a6bf1b624d4ad9fb352fb8 (patch) | |
| tree | 59913cc4b997fead1aa34dadd77a6fd4548c6198 | |
| parent | 7263a97cedae620a233420b35e35173005bfef54 (diff) | |
| download | libunwind-848ad53a47e8fbef24a6bf1b624d4ad9fb352fb8.tar.gz | |
Call snprintf() from signal handler only if required in test-async-sig
snprintf() is not guaranteed to be safely callable from a signal
handler, so avoid calling it in the default non-verbose case.
| -rw-r--r-- | tests/test-async-sig.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tests/test-async-sig.c b/tests/test-async-sig.c index ba37c904..9a0d39e6 100644 --- a/tests/test-async-sig.c +++ b/tests/test-async-sig.c @@ -89,7 +89,8 @@ do_backtrace (int may_print, int get_proc_name) buf[0] = '\0'; if (get_proc_name || (may_print && verbose)) { - if (unw_get_proc_name (&cursor, name, sizeof (name), &off) == 0) + ret = unw_get_proc_name (&cursor, name, sizeof (name), &off); + if (ret == 0 && (may_print && verbose)) { if (off) snprintf (buf, sizeof (buf), "<%s+0x%lx>", name, (long) off); |