First round of dead file removal

obsolete/breakpad/common/linux/guid_creator.cc

-// 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.
-
-#include <cassert>
-#include <cstdio>
-#include <cstdlib>
-#include <ctime>
-#include <unistd.h>
-
-#include "common/linux/guid_creator.h"
-
-//
-// GUIDGenerator
-//
-// This class is used to generate random GUID.
-// Currently use random number to generate a GUID since Linux has
-// no native GUID generator. This should be OK since we don't expect
-// crash to happen very offen.
-//
-class GUIDGenerator {
- public:
-  GUIDGenerator() {
-    srandom(time(NULL));
-  }
-
-  static u_int32_t BytesToUInt32(const u_int8_t bytes[]) {
-    return ((u_int32_t) bytes[0]
-            | ((u_int32_t) bytes[1] << 8)
-            | ((u_int32_t) bytes[2] << 16)
-            | ((u_int32_t) bytes[3] << 24));
-  }
-
-  static void UInt32ToBytes(u_int8_t bytes[], u_int32_t n) {
-    bytes[0] = n & 0xff;
-    bytes[1] = (n >> 8) & 0xff;
-    bytes[2] = (n >> 16) & 0xff;
-    bytes[3] = (n >> 24) & 0xff;
-  }
-
-  bool CreateGUID(GUID *guid) const {
-    guid->data1 = random();
-    guid->data2 = (u_int16_t)(random());
-    guid->data3 = (u_int16_t)(random());
-    UInt32ToBytes(&guid->data4[0], random());
-    UInt32ToBytes(&guid->data4[4], random());
-    return true;
-  }
-};
-
-// Guid generator.
-const GUIDGenerator kGuidGenerator;
-
-bool CreateGUID(GUID *guid) {
-  return kGuidGenerator.CreateGUID(guid);
-}
-
-// Parse guid to string.
-bool GUIDToString(const GUID *guid, char *buf, int buf_len) {
-  // Should allow more space the the max length of GUID.
-  assert(buf_len > kGUIDStringLength);
-  int num = snprintf(buf, buf_len, kGUIDFormatString,
-                     guid->data1, guid->data2, guid->data3,
-                     GUIDGenerator::BytesToUInt32(&(guid->data4[0])),
-                     GUIDGenerator::BytesToUInt32(&(guid->data4[4])));
-  if (num != kGUIDStringLength)
-    return false;
-
-  buf[num] = '\0';
-  return true;
-}