pebble/platform/tintin/boot/libc/string/strlen.c
2025-01-27 11:38:16 -08:00

39 lines
1,021 B
C

/*
* 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:
// size_t strlen(const char *s);
// size_t strnlen(const char *s, size_t maxlen);
///////////////////////////////////////
#include <stddef.h>
size_t strlen(const char *s) {
size_t len = 0;
while (*s++) {
len++;
}
return len;
}
size_t strnlen(const char *s, size_t maxlen) {
size_t len = 0;
while (*s++ && maxlen--) {
len++;
}
return len;
}