1 files changed, 39 insertions, 0 deletions
diff --git a/strnset.c b/strnset.c
new file mode 100644
index 0000000..b2e1da4
--- /dev/null
+++ b/strnset.c
@@ -0,0 +1,39 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+
+extern inline char *libsimple_strnset(char *, int, size_t);
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+	char buf[100];
+
+	stpcpy(mempcpy(buf, "hello world", 12), "goodbye world");
+	assert(libsimple_strnset(buf, 'x', SIZE_MAX) == buf);
+	assert(!strcmp(buf, "xxxxxxxxxxx"));
+	assert(!strcmp(&buf[12], "goodbye world"));
+
+	stpcpy(mempcpy(buf, "hello world", 12), "goodbye world");
+	assert(libsimple_strnset(buf, '\0', SIZE_MAX) == buf);
+	assert(!memcmp(buf, "\0\0\0\0\0\0\0\0\0\0\0\0goodbye world", 26));
+
+
+	stpcpy(mempcpy(buf, "hello world", 12), "goodbye world");
+	assert(libsimple_strnset(buf, 'x', 5) == buf);
+	assert(!strcmp(buf, "xxxxx world"));
+	assert(!strcmp(&buf[12], "goodbye world"));
+
+	stpcpy(mempcpy(buf, "hello world", 12), "goodbye world");
+	assert(libsimple_strnset(buf, '\0', 5) == buf);
+	assert(!memcmp(buf, "\0\0\0\0\0 world\0goodbye world", 26));
+
+	return 0;
+}
+
+#endif