1 files changed, 35 insertions, 0 deletions
diff --git a/mempmove.c b/mempmove.c
new file mode 100644
index 0000000..2d42b0e
--- /dev/null
+++ b/mempmove.c
@@ -0,0 +1,35 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+#ifndef TEST
+
+
+extern inline void *libsimple_mempmove(void *, const void *, size_t);
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+	char buf[100];
+
+	memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0';
+	stpcpy(&buf[5], "hello")[0] = '-';
+	assert(libsimple_mempmove(&buf[5], &buf[5], 5) == &buf[5 + 5]);
+	assert(!strncmp(buf, "-----hello-", 11));
+
+	memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0';
+	stpcpy(&buf[5], "hello")[0] = '-';
+	assert(libsimple_mempmove(&buf[3], &buf[5], 5) == &buf[3 + 5]);
+	assert(!strncmp(buf, "---hellolo-", 11));
+
+	memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0';
+	stpcpy(&buf[5], "hello")[0] = '-';
+	assert(libsimple_mempmove(&buf[8], &buf[5], 5) == &buf[8 + 5]);
+	assert(!strncmp(buf, "-----helhello-", 14));
+
+	return 0;
+}
+
+#endif