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/*
* Copyright 2004 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "rtc_base/string_utils.h"
namespace rtc {
size_t strcpyn(char* buffer,
size_t buflen,
const char* source,
size_t srclen /* = SIZE_UNKNOWN */) {
if (buflen <= 0)
return 0;
if (srclen == SIZE_UNKNOWN) {
srclen = strlen(source);
}
if (srclen >= buflen) {
srclen = buflen - 1;
}
memcpy(buffer, source, srclen);
buffer[srclen] = 0;
return srclen;
}
static const char kWhitespace[] = " \n\r\t";
std::string string_trim(const std::string& s) {
std::string::size_type first = s.find_first_not_of(kWhitespace);
std::string::size_type last = s.find_last_not_of(kWhitespace);
if (first == std::string::npos || last == std::string::npos) {
return std::string("");
}
return s.substr(first, last - first + 1);
}
std::string ToHex(const int i) {
char buffer[50];
snprintf(buffer, sizeof(buffer), "%x", i);
return std::string(buffer);
}
} // namespace rtc
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