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Expect :snprintf_posarg_error to blow up with a SIGSEGV on !NetBSD OSes

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This commit is contained in:
Enji Cooper 2014-11-01 21:00:40 +00:00
parent d57c6b5e4f
commit 952234df16
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=273947
1 changed files with 10 additions and 0 deletions
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10
contrib/netbsd-tests/lib/libc/stdio/t_printf.c
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@ -36,6 +36,10 @@
#include <time.h>
#include <stdlib.h>
#ifndef __NetBSD__
#include <signal.h>
#endif
ATF_TC(snprintf_c99);
ATF_TC_HEAD(snprintf_c99, tc)
{
@ -116,6 +120,12 @@ ATF_TC_BODY(snprintf_posarg_error, tc)
{
char s[16], fmt[32];
#ifndef __NetBSD__
atf_tc_expect_signal(SIGSEGV,
"some non-NetBSD platforms including FreeBSD don't validate "
"negative size; testcase blows up with SIGSEGV");
#endif
snprintf(fmt, sizeof(fmt), "%%%zu$d", SIZE_MAX / sizeof(size_t));
ATF_CHECK(snprintf(s, sizeof(s), fmt, -23) == -1);