vn-verdnaturachat/ios/Pods/Flipper-Folly/folly/portability/String.cpp

65 lines
1.6 KiB
C++

/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* 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.
*/
#include <folly/portability/String.h>
#if !FOLLY_HAVE_MEMRCHR
extern "C" void* memrchr(const void* s, int c, size_t n) {
for (auto p = ((const char*)s) + n - 1; p >= (const char*)s; p--) {
if (*p == (char)c) {
return (void*)p;
}
}
return nullptr;
}
#endif
#if defined(_WIN32) || defined(__FreeBSD__)
extern "C" char* strndup(const char* a, size_t len) {
auto neededLen = strlen(a);
if (neededLen > len) {
neededLen = len;
}
char* buf = (char*)malloc((neededLen + 1) * sizeof(char));
if (!buf) {
return nullptr;
}
memcpy(buf, a, neededLen);
buf[neededLen] = '\0';
return buf;
}
#endif
#ifdef _WIN32
extern "C" {
void bzero(void* s, size_t n) {
memset(s, 0, n);
}
int strcasecmp(const char* a, const char* b) {
return _stricmp(a, b);
}
int strncasecmp(const char* a, const char* b, size_t c) {
return _strnicmp(a, b, c);
}
char* strtok_r(char* str, char const* delim, char** ctx) {
return strtok_s(str, delim, ctx);
}
}
#endif