imported slof-JX-1.4.0-0 releaseslof-JX-1.4.0-0

1 files changed, 37 insertions, 0 deletions

diff --git a/lib/libc/string/strstr.c b/lib/libc/string/strstr.c
new file mode 100644
index 0000000..f94af6d
--- /dev/null
+++ b/lib/libc/string/strstr.c
@@ -0,0 +1,37 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2007 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#include <string.h>
+
+char *
+strstr(const char *hay, const char *needle)
+{
+	char *pos;
+	int hlen, nlen;
+
+	if (hay == NULL || needle == NULL)
+		return NULL;
+	
+	hlen = strlen(hay);
+	nlen = strlen(needle);
+	if (nlen < 1)
+		return (char *)hay;
+
+	for (pos = (char *)hay; pos < hay + hlen; pos++) {
+		if (strncmp(pos, needle, nlen) == 0) {
+			return pos;
+		}
+	}
+
+	return NULL;
+}
+