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Diffstat (limited to '3rdParty/Breakpad/src/common/mac/file_id.cc')
-rw-r--r--3rdParty/Breakpad/src/common/mac/file_id.cc101
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
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+++ b/3rdParty/Breakpad/src/common/mac/file_id.cc
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+// 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