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| author | Remko Tronçon <git@el-tramo.be> | 2012-08-17 21:07:13 (GMT) |
|---|---|---|
| committer | Remko Tronçon <git@el-tramo.be> | 2012-08-17 21:07:13 (GMT) |
| commit | 4397df6b409ca84f63838fa635fc2abe8af80b71 (patch) | |
| tree | 0806d51a1aaa6a1f9ac00df318be72fbee19ec1d /3rdParty/Breakpad/src/common/mac/file_id.cc | |
| parent | ead6c91f24d77de3319e77ae1354387407065ef1 (diff) | |
| download | swift-contrib-4397df6b409ca84f63838fa635fc2abe8af80b71.zip swift-contrib-4397df6b409ca84f63838fa635fc2abe8af80b71.tar.bz2 | |
Added Breakpad support for Windows.
Diffstat (limited to '3rdParty/Breakpad/src/common/mac/file_id.cc')
| -rw-r--r-- | 3rdParty/Breakpad/src/common/mac/file_id.cc | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/3rdParty/Breakpad/src/common/mac/file_id.cc b/3rdParty/Breakpad/src/common/mac/file_id.cc new file mode 100644 index 0000000..50502e4 --- /dev/null +++ b/3rdParty/Breakpad/src/common/mac/file_id.cc @@ -0,0 +1,101 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// file_id.cc: Return a unique identifier for a file +// +// See file_id.h for documentation +// +// Author: Dan Waylonis + +#include <fcntl.h> +#include <string.h> +#include <unistd.h> + +#include "common/mac/file_id.h" +#include "common/mac/macho_id.h" + +using MacFileUtilities::MachoID; + +namespace google_breakpad { + +FileID::FileID(const char *path) { + strlcpy(path_, path, sizeof(path_)); +} + +bool FileID::FileIdentifier(unsigned char identifier[16]) { + int fd = open(path_, O_RDONLY); + if (fd == -1) + return false; + + MD5Context md5; + MD5Init(&md5); + + // Read 4k x 2 bytes at a time. This is faster than just 4k bytes, but + // doesn't seem to be an unreasonable size for the stack. + unsigned char buffer[4096 * 2]; + size_t buffer_size = sizeof(buffer); + while ((buffer_size = read(fd, buffer, buffer_size) > 0)) { + MD5Update(&md5, buffer, buffer_size); + } + + close(fd); + MD5Final(identifier, &md5); + + return true; +} + +bool FileID::MachoIdentifier(int cpu_type, unsigned char identifier[16]) { + MachoID macho(path_); + + if (macho.UUIDCommand(cpu_type, identifier)) + return true; + + return macho.MD5(cpu_type, identifier); +} + +// static +void FileID::ConvertIdentifierToString(const unsigned char identifier[16], + char *buffer, int buffer_length) { + int buffer_idx = 0; + for (int idx = 0; (buffer_idx < buffer_length) && (idx < 16); ++idx) { + int hi = (identifier[idx] >> 4) & 0x0F; + int lo = (identifier[idx]) & 0x0F; + + if (idx == 4 || idx == 6 || idx == 8 || idx == 10) + buffer[buffer_idx++] = '-'; + + buffer[buffer_idx++] = (hi >= 10) ? 'A' + hi - 10 : '0' + hi; + buffer[buffer_idx++] = (lo >= 10) ? 'A' + lo - 10 : '0' + lo; + } + + // NULL terminate + buffer[(buffer_idx < buffer_length) ? buffer_idx : buffer_idx - 1] = 0; +} + +} // namespace google_breakpad |