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Diffstat (limited to 'webrtc/rtc_base/string_utils.cc')
-rw-r--r-- | webrtc/rtc_base/string_utils.cc | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/webrtc/rtc_base/string_utils.cc b/webrtc/rtc_base/string_utils.cc new file mode 100644 index 0000000..1720c62 --- /dev/null +++ b/webrtc/rtc_base/string_utils.cc @@ -0,0 +1,53 @@ +/* + * 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 |