2 * Copyright 2016 Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #include <folly/portability/String.h>
19 #if !FOLLY_HAVE_MEMRCHR
20 extern "C" void* memrchr(const void* s, int c, size_t n) {
21 for (auto p = ((const char*)s) + n - 1; p >= (const char*)s; p--) {
30 #if defined(_WIN32) || defined(__FreeBSD__)
31 extern "C" char* strndup(const char* a, size_t len) {
32 auto neededLen = strlen(a);
33 if (neededLen > len) {
36 char* buf = (char*)malloc((neededLen + 1) * sizeof(char));
40 memcpy(buf, a, neededLen);
41 buf[neededLen] = '\0';
48 void bzero(void* s, size_t n) {
52 int strcasecmp(const char* a, const char* b) {
53 return _stricmp(a, b);
56 int strncasecmp(const char* a, const char* b, size_t c) {
57 return _strnicmp(a, b, c);
60 char* strtok_r(char* str, char const* delim, char** ctx) {
61 return strtok_s(str, delim, ctx);