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-rw-r--r--contrib/netbsd-tests/lib/libc/string/t_memset.c52
1 files changed, 50 insertions, 2 deletions
diff --git a/contrib/netbsd-tests/lib/libc/string/t_memset.c b/contrib/netbsd-tests/lib/libc/string/t_memset.c
index c1fb385..5a2be28 100644
--- a/contrib/netbsd-tests/lib/libc/string/t_memset.c
+++ b/contrib/netbsd-tests/lib/libc/string/t_memset.c
@@ -1,4 +1,4 @@
-/* $NetBSD: t_memset.c,v 1.3 2013/03/17 02:23:31 christos Exp $ */
+/* $NetBSD: t_memset.c,v 1.4 2015/09/11 09:25:52 martin Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: t_memset.c,v 1.3 2013/03/17 02:23:31 christos Exp $");
+__RCSID("$NetBSD: t_memset.c,v 1.4 2015/09/11 09:25:52 martin Exp $");
#include <sys/stat.h>
@@ -42,6 +42,8 @@ static long page = 0;
static void fill(char *, size_t, char);
static bool check(char *, size_t, char);
+int zero; /* always zero, but the compiler does not know */
+
ATF_TC(memset_array);
ATF_TC_HEAD(memset_array, tc)
{
@@ -133,6 +135,50 @@ ATF_TC_BODY(memset_nonzero, tc)
free(buf);
}
+ATF_TC(memset_zero_size);
+
+ATF_TC_HEAD(memset_zero_size, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test memset(3) with zero size");
+}
+
+ATF_TC_BODY(memset_zero_size, tc)
+{
+ char buf[1024];
+
+ (void)memset(buf, 'x', sizeof(buf));
+
+ if (check(buf, sizeof(buf), 'x') != true)
+ atf_tc_fail("memset(3) did not fill a static buffer");
+
+ (void)memset(buf+sizeof(buf)/2, 0, zero);
+
+ if (check(buf, sizeof(buf), 'x') != true)
+ atf_tc_fail("memset(3) with 0 size did change the buffer");
+}
+
+ATF_TC(bzero_zero_size);
+
+ATF_TC_HEAD(bzero_zero_size, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test bzero(3) with zero size");
+}
+
+ATF_TC_BODY(bzero_zero_size, tc)
+{
+ char buf[1024];
+
+ (void)memset(buf, 'x', sizeof(buf));
+
+ if (check(buf, sizeof(buf), 'x') != true)
+ atf_tc_fail("memset(3) did not fill a static buffer");
+
+ (void)bzero(buf+sizeof(buf)/2, zero);
+
+ if (check(buf, sizeof(buf), 'x') != true)
+ atf_tc_fail("bzero(3) with 0 size did change the buffer");
+}
+
ATF_TC(memset_struct);
ATF_TC_HEAD(memset_struct, tc)
{
@@ -202,6 +248,8 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, memset_nonzero);
ATF_TP_ADD_TC(tp, memset_struct);
ATF_TP_ADD_TC(tp, memset_return);
+ ATF_TP_ADD_TC(tp, memset_zero_size);
+ ATF_TP_ADD_TC(tp, bzero_zero_size);
return atf_no_error();
}
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