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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "base/pickle.h" | 5 #include "base/pickle.h" |
| 6 | 6 |
| 7 #include <stdlib.h> | 7 #include <stdlib.h> |
| 8 | 8 |
| 9 #include <limits> | 9 #include <limits> |
| 10 #include <string> | 10 #include <string> |
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| 378 DCHECK(header_size <= static_cast<size_t>(kPayloadUnit)); | 378 DCHECK(header_size <= static_cast<size_t>(kPayloadUnit)); |
| 379 | 379 |
| 380 const Header* hdr = reinterpret_cast<const Header*>(start); | 380 const Header* hdr = reinterpret_cast<const Header*>(start); |
| 381 const char* payload_base = start + header_size; | 381 const char* payload_base = start + header_size; |
| 382 const char* payload_end = payload_base + hdr->payload_size; | 382 const char* payload_end = payload_base + hdr->payload_size; |
| 383 if (payload_end < payload_base) | 383 if (payload_end < payload_base) |
| 384 return NULL; | 384 return NULL; |
| 385 | 385 |
| 386 return (payload_end > end) ? NULL : payload_end; | 386 return (payload_end > end) ? NULL : payload_end; |
| 387 } | 387 } |
| 388 | |
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