Andreas Huber | 7d2f703 | 2010-06-07 10:18:57 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 17 | //#define LOG_NDEBUG 0 |
| 18 | #define LOG_TAG "hexdump" |
| 19 | #include <utils/Log.h> |
| 20 | |
Andreas Huber | 7d2f703 | 2010-06-07 10:18:57 -0700 | [diff] [blame] | 21 | #include "hexdump.h" |
| 22 | |
| 23 | #include "ADebug.h" |
| 24 | #include "AString.h" |
| 25 | |
| 26 | #include <ctype.h> |
| 27 | #include <stdint.h> |
| 28 | #include <stdio.h> |
| 29 | |
| 30 | namespace android { |
| 31 | |
| 32 | void hexdump(const void *_data, size_t size) { |
| 33 | const uint8_t *data = (const uint8_t *)_data; |
| 34 | |
| 35 | size_t offset = 0; |
| 36 | while (offset < size) { |
| 37 | AString line; |
| 38 | |
| 39 | char tmp[32]; |
| 40 | sprintf(tmp, "%08lx: ", (unsigned long)offset); |
| 41 | |
| 42 | line.append(tmp); |
| 43 | |
| 44 | for (size_t i = 0; i < 16; ++i) { |
| 45 | if (i == 8) { |
| 46 | line.append(' '); |
| 47 | } |
| 48 | if (offset + i >= size) { |
| 49 | line.append(" "); |
| 50 | } else { |
| 51 | sprintf(tmp, "%02x ", data[offset + i]); |
| 52 | line.append(tmp); |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | line.append(' '); |
| 57 | |
| 58 | for (size_t i = 0; i < 16; ++i) { |
| 59 | if (offset + i >= size) { |
| 60 | break; |
| 61 | } |
| 62 | |
| 63 | if (isprint(data[offset + i])) { |
| 64 | line.append((char)data[offset + i]); |
| 65 | } else { |
| 66 | line.append('.'); |
| 67 | } |
| 68 | } |
| 69 | |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 70 | LOGI("%s", line.c_str()); |
Andreas Huber | 7d2f703 | 2010-06-07 10:18:57 -0700 | [diff] [blame] | 71 | |
| 72 | offset += 16; |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | } // namespace android |
| 77 | |