1 files changed, 30 insertions, 0 deletions
diff --git a/memtolower.c b/memtolower.c
new file mode 100644
index 0000000..364776a
--- /dev/null
+++ b/memtolower.c
@@ -0,0 +1,30 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+#ifndef TEST
+
+
+extern inline void *libsimple_memtolower(void *, const void *, size_t);
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+	char buf[100];
+
+	stpcpy(buf, "ABCDEabcde12345");
+	assert(!strcmpnul(libsimple_memtolower(&buf[3], &buf[0], 16), "abcdeabcde12345"));
+	assert(!strcmp(buf, "ABCabcdeabcde12345"));
+	stpcpy(buf, "ABCDEabcde12345");
+	assert(!strcmpnul(libsimple_memtolower(&buf[0], &buf[3], 13), "deabcde12345"));
+	assert(!strcmp(buf, "deabcde12345"));
+	stpcpy(buf, "ABCDEabcde12345");
+	assert(!strcmpnul(libsimple_memtolower(&buf[0], &buf[0], 16), "abcdeabcde12345"));
+	assert(!strcmp(buf, "abcdeabcde12345"));
+
+	return 0;
+}
+
+#endif