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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/libwebrtc/rtc_base/crc32.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/rtc_base/crc32.h')
-rw-r--r-- | third_party/libwebrtc/rtc_base/crc32.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_base/crc32.h b/third_party/libwebrtc/rtc_base/crc32.h new file mode 100644 index 0000000000..93376a5a12 --- /dev/null +++ b/third_party/libwebrtc/rtc_base/crc32.h @@ -0,0 +1,37 @@ +/* + * Copyright 2012 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. + */ + +#ifndef RTC_BASE_CRC32_H_ +#define RTC_BASE_CRC32_H_ + +#include <stddef.h> +#include <stdint.h> + +#include <string> + +#include "absl/strings/string_view.h" + +namespace rtc { + +// Updates a CRC32 checksum with `len` bytes from `buf`. `initial` holds the +// checksum result from the previous update; for the first call, it should be 0. +uint32_t UpdateCrc32(uint32_t initial, const void* buf, size_t len); + +// Computes a CRC32 checksum using `len` bytes from `buf`. +inline uint32_t ComputeCrc32(const void* buf, size_t len) { + return UpdateCrc32(0, buf, len); +} +inline uint32_t ComputeCrc32(absl::string_view str) { + return ComputeCrc32(str.data(), str.size()); +} + +} // namespace rtc + +#endif // RTC_BASE_CRC32_H_ |