upload android base code part3

android/bionic/libc/private/bionic_string_utils.h

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _BIONIC_STRING_UTILS_H_
+#define _BIONIC_STRING_UTILS_H_
+
+#include <string.h>
+
+static inline bool ends_with(const char* s1, const char* s2) {
+  size_t s1_length = strlen(s1);
+  size_t s2_length = strlen(s2);
+  if (s2_length > s1_length) {
+    return false;
+  }
+  return memcmp(s1 + (s1_length - s2_length), s2, s2_length) == 0;
+}
+
+#endif // _BIONIC_STRING_UTILS_H_