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Do not print garbage proc info in tests/Gtest-bt.c

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Check the return value of the unw_get_proc_info() call to avoid printing
garbage if the call fails.
This commit is contained in:
Tommi Rantala 2012-08-23 21:02:45 +03:00
parent 8203c955c8
commit 1c1dbbe296
1 changed files with 4 additions and 2 deletions
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6
tests/Gtest-bt.c
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@ -82,10 +82,12 @@ do_backtrace (void)
{ {
printf ("%016lx %-32s (sp=%016lx)\n", (long) ip, buf, (long) sp); printf ("%016lx %-32s (sp=%016lx)\n", (long) ip, buf, (long) sp);
unw_get_proc_info (&cursor, &pi); if (unw_get_proc_info (&cursor, &pi) == 0)
printf ("\tproc=%lx-%lx\n\thandler=%lx lsda=%lx gp=%lx", {
printf ("\tproc=0x%lx-0x%lx\n\thandler=0x%lx lsda=0x%lx gp=0x%lx",
(long) pi.start_ip, (long) pi.end_ip, (long) pi.start_ip, (long) pi.end_ip,
(long) pi.handler, (long) pi.lsda, (long) pi.gp); (long) pi.handler, (long) pi.lsda, (long) pi.gp);
}
#if UNW_TARGET_IA64 #if UNW_TARGET_IA64
{ {