1 files changed, 40 insertions, 0 deletions
diff --git a/libc/string/memmem.c b/libc/string/memmem.c
new file mode 100644
index 000000000..a42176181
--- /dev/null
+++ b/libc/string/memmem.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2002     Manuel Novoa III
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include "_string.h"
+
+void attribute_hidden *__memmem(const void *haystack, size_t haystacklen,
+		     const void *needle, size_t needlelen)
+{
+	register const char *ph;
+	register const char *pn;
+	const char *plast;
+	size_t n;
+
+	if (needlelen == 0) {
+		return (void *) haystack;
+	}
+
+	if (haystacklen >= needlelen) {
+		ph = (const char *) haystack;
+		pn = (const char *) needle;
+		plast = ph + (haystacklen - needlelen);
+
+		do {
+			n = 0;
+			while (ph[n] == pn[n]) {
+				if (++n == needlelen) {
+					return (void *) ph;
+				}
+			}
+		} while (++ph <= plast);
+	}
+
+	return NULL;
+}
+
+strong_alias(__memmem,memmem)