Import of the watch repository from Pebble

platform/tintin/boot/libc/string/strcmp.c

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * 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.
+ */
+
+///////////////////////////////////////
+// Implements:
+//   int strcmp(const char *s1, const char *s2);
+//   int strncmp(const char *s1, const char *s2, size_t n);
+///////////////////////////////////////
+// Notes:
+//   Tuned for code size.
+
+#include <stddef.h>
+#include <string.h>
+
+int strcmp(const char *s1, const char *s2) {
+  size_t n = strlen(s1) + 1;
+  return memcmp(s1, s2, n);
+}
+
+int strncmp(const char *s1, const char *s2, size_t n) {
+  size_t strn = strlen(s1) + 1;
+  if (strn < n) {
+    n = strn;
+  }
+  return memcmp(s1, s2, n);
+}