From 6621ed750fd9faa380d866af1ebae632e05a23e1 Mon Sep 17 00:00:00 2001
From: millert <>
Date: Wed, 2 Jun 2010 12:20:47 +0000
Subject: strnlen regression tests

---
 src/regress/lib/libc/strnlen/Makefile      |  5 +++
 src/regress/lib/libc/strnlen/strnlentest.c | 69 ++++++++++++++++++++++++++++++
 2 files changed, 74 insertions(+)
 create mode 100644 src/regress/lib/libc/strnlen/Makefile
 create mode 100644 src/regress/lib/libc/strnlen/strnlentest.c

(limited to 'src/regress/lib/libc/strnlen')

diff --git a/src/regress/lib/libc/strnlen/Makefile b/src/regress/lib/libc/strnlen/Makefile
new file mode 100644
index 0000000000..e7c74972e1
--- /dev/null
+++ b/src/regress/lib/libc/strnlen/Makefile
@@ -0,0 +1,5 @@
+#	$OpenBSD: Makefile,v 1.1 2010/06/02 12:20:47 millert Exp $
+
+PROG=	strnlentest
+
+.include <bsd.regress.mk>
diff --git a/src/regress/lib/libc/strnlen/strnlentest.c b/src/regress/lib/libc/strnlen/strnlentest.c
new file mode 100644
index 0000000000..e67e6adfb8
--- /dev/null
+++ b/src/regress/lib/libc/strnlen/strnlentest.c
@@ -0,0 +1,69 @@
+/*	$OpenBSD: strnlentest.c,v 1.1 2010/06/02 12:20:47 millert Exp $ */
+
+/*
+ * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+int main(int argc, char *argv[])
+{
+	char *buf;
+	int failures = 0;
+	size_t len, bufsize;
+
+	/* Enable malloc security options. */
+	setenv("MALLOC_OPTIONS", "S", 0);
+
+	bufsize = getpagesize(); /* trigger guard pages easily */
+	buf = malloc(bufsize);
+	if (buf == NULL) {
+		fprintf(stderr, "unable to allocate memory\n");
+		return 1;
+	}
+	memset(buf, 'a', bufsize);
+
+	len = strnlen(buf, bufsize);
+	if (len != bufsize) {
+		fprintf(stderr, "strnlen: failed unterminated buffer test (1)");
+		failures++;
+	}
+
+	len = strnlen(buf, bufsize / 2);
+	if (len != bufsize / 2) {
+		fprintf(stderr, "strnlen: failed unterminated buffer test (2)");
+		failures++;
+	}
+
+	buf[bufsize - 1] = '\0';
+	len = strnlen(buf, bufsize);
+	if (len != bufsize - 1) {
+		fprintf(stderr, "strnlen: failed NUL-terminated buffer test (1)");
+		failures++;
+	}
+
+	len = strnlen(buf, (size_t)-1);
+	if (len != bufsize - 1) {
+		fprintf(stderr, "strnlen: failed NUL-terminated buffer test (2)");
+		failures++;
+	}
+
+	return failures;
+}
-- 
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