1 files changed, 98 insertions, 0 deletions
diff --git a/externals/breakpad/src/common/mac/file_id.cc b/externals/breakpad/src/common/mac/file_id.cc
new file mode 100644
index 0000000000..ee4a66bbe0
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+++ b/externals/breakpad/src/common/mac/file_id.cc
@@ -0,0 +1,98 @@
+// Copyright 2006 Google LLC
+//
+// 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 LLC 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
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>  // Must come first
+#endif
+
+#include "common/mac/file_id.h"
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "common/mac/macho_id.h"
+#include "common/scoped_ptr.h"
+
+using MacFileUtilities::MachoID;
+
+namespace google_breakpad {
+namespace mach_o {
+// Constructs a FileID given a path to a file
+FileID::FileID(const char* path) : memory_(nullptr), size_(0) {
+  snprintf(path_, sizeof(path_), "%s", path);
+}
+
+// Constructs a FileID given the contents of a file and its size
+FileID::FileID(void* memory, size_t size)
+    : path_(), memory_(memory), size_(size) {}
+
+bool FileID::MachoIdentifier(cpu_type_t cpu_type,
+                             cpu_subtype_t cpu_subtype,
+                             unsigned char identifier[16]) {
+  scoped_ptr<MachoID> macho;
+  if (memory_) {
+    macho.reset(new MachoID(memory_, size_));
+  } else {
+    macho.reset(new MachoID(path_));
+  }
+  if (macho->UUIDCommand(cpu_type, cpu_subtype, identifier))
+    return true;
+
+  return macho->MD5(cpu_type, cpu_subtype, 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++] =
+        static_cast<char>((hi >= 10) ? ('A' + hi - 10) : ('0' + hi));
+    buffer[buffer_idx++] =
+        static_cast<char>((lo >= 10) ? ('A' + lo - 10) : ('0' + lo));
+  }
+
+  // NULL terminate
+  buffer[(buffer_idx < buffer_length) ? buffer_idx : buffer_idx - 1] = 0;
+}
+
+}  // namespace mach_o
+}  // namespace google_breakpad