hexdump.cpp revision 6e4c5c499999c04c2477b987f9e64f3ff2bf1a06
172961230a5890071bcca436eb5630172ce84ec41Andreas Huber/* 272961230a5890071bcca436eb5630172ce84ec41Andreas Huber * Copyright (C) 2010 The Android Open Source Project 372961230a5890071bcca436eb5630172ce84ec41Andreas Huber * 472961230a5890071bcca436eb5630172ce84ec41Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 572961230a5890071bcca436eb5630172ce84ec41Andreas Huber * you may not use this file except in compliance with the License. 672961230a5890071bcca436eb5630172ce84ec41Andreas Huber * You may obtain a copy of the License at 772961230a5890071bcca436eb5630172ce84ec41Andreas Huber * 872961230a5890071bcca436eb5630172ce84ec41Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 972961230a5890071bcca436eb5630172ce84ec41Andreas Huber * 1072961230a5890071bcca436eb5630172ce84ec41Andreas Huber * Unless required by applicable law or agreed to in writing, software 1172961230a5890071bcca436eb5630172ce84ec41Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 1272961230a5890071bcca436eb5630172ce84ec41Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1372961230a5890071bcca436eb5630172ce84ec41Andreas Huber * See the License for the specific language governing permissions and 1472961230a5890071bcca436eb5630172ce84ec41Andreas Huber * limitations under the License. 1572961230a5890071bcca436eb5630172ce84ec41Andreas Huber */ 1672961230a5890071bcca436eb5630172ce84ec41Andreas Huber 176e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber//#define LOG_NDEBUG 0 186e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define LOG_TAG "hexdump" 196e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#include <utils/Log.h> 206e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 2172961230a5890071bcca436eb5630172ce84ec41Andreas Huber#include "hexdump.h" 2272961230a5890071bcca436eb5630172ce84ec41Andreas Huber 2372961230a5890071bcca436eb5630172ce84ec41Andreas Huber#include "ADebug.h" 2472961230a5890071bcca436eb5630172ce84ec41Andreas Huber#include "AString.h" 2572961230a5890071bcca436eb5630172ce84ec41Andreas Huber 2672961230a5890071bcca436eb5630172ce84ec41Andreas Huber#include <ctype.h> 2772961230a5890071bcca436eb5630172ce84ec41Andreas Huber#include <stdint.h> 2872961230a5890071bcca436eb5630172ce84ec41Andreas Huber#include <stdio.h> 2972961230a5890071bcca436eb5630172ce84ec41Andreas Huber 3072961230a5890071bcca436eb5630172ce84ec41Andreas Hubernamespace android { 3172961230a5890071bcca436eb5630172ce84ec41Andreas Huber 3272961230a5890071bcca436eb5630172ce84ec41Andreas Hubervoid hexdump(const void *_data, size_t size) { 3372961230a5890071bcca436eb5630172ce84ec41Andreas Huber const uint8_t *data = (const uint8_t *)_data; 3472961230a5890071bcca436eb5630172ce84ec41Andreas Huber 3572961230a5890071bcca436eb5630172ce84ec41Andreas Huber size_t offset = 0; 3672961230a5890071bcca436eb5630172ce84ec41Andreas Huber while (offset < size) { 3772961230a5890071bcca436eb5630172ce84ec41Andreas Huber AString line; 3872961230a5890071bcca436eb5630172ce84ec41Andreas Huber 3972961230a5890071bcca436eb5630172ce84ec41Andreas Huber char tmp[32]; 4072961230a5890071bcca436eb5630172ce84ec41Andreas Huber sprintf(tmp, "%08lx: ", (unsigned long)offset); 4172961230a5890071bcca436eb5630172ce84ec41Andreas Huber 4272961230a5890071bcca436eb5630172ce84ec41Andreas Huber line.append(tmp); 4372961230a5890071bcca436eb5630172ce84ec41Andreas Huber 4472961230a5890071bcca436eb5630172ce84ec41Andreas Huber for (size_t i = 0; i < 16; ++i) { 4572961230a5890071bcca436eb5630172ce84ec41Andreas Huber if (i == 8) { 4672961230a5890071bcca436eb5630172ce84ec41Andreas Huber line.append(' '); 4772961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 4872961230a5890071bcca436eb5630172ce84ec41Andreas Huber if (offset + i >= size) { 4972961230a5890071bcca436eb5630172ce84ec41Andreas Huber line.append(" "); 5072961230a5890071bcca436eb5630172ce84ec41Andreas Huber } else { 5172961230a5890071bcca436eb5630172ce84ec41Andreas Huber sprintf(tmp, "%02x ", data[offset + i]); 5272961230a5890071bcca436eb5630172ce84ec41Andreas Huber line.append(tmp); 5372961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 5472961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 5572961230a5890071bcca436eb5630172ce84ec41Andreas Huber 5672961230a5890071bcca436eb5630172ce84ec41Andreas Huber line.append(' '); 5772961230a5890071bcca436eb5630172ce84ec41Andreas Huber 5872961230a5890071bcca436eb5630172ce84ec41Andreas Huber for (size_t i = 0; i < 16; ++i) { 5972961230a5890071bcca436eb5630172ce84ec41Andreas Huber if (offset + i >= size) { 6072961230a5890071bcca436eb5630172ce84ec41Andreas Huber break; 6172961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 6272961230a5890071bcca436eb5630172ce84ec41Andreas Huber 6372961230a5890071bcca436eb5630172ce84ec41Andreas Huber if (isprint(data[offset + i])) { 6472961230a5890071bcca436eb5630172ce84ec41Andreas Huber line.append((char)data[offset + i]); 6572961230a5890071bcca436eb5630172ce84ec41Andreas Huber } else { 6672961230a5890071bcca436eb5630172ce84ec41Andreas Huber line.append('.'); 6772961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 6872961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 6972961230a5890071bcca436eb5630172ce84ec41Andreas Huber 706e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGI("%s", line.c_str()); 7172961230a5890071bcca436eb5630172ce84ec41Andreas Huber 7272961230a5890071bcca436eb5630172ce84ec41Andreas Huber offset += 16; 7372961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 7472961230a5890071bcca436eb5630172ce84ec41Andreas Huber} 7572961230a5890071bcca436eb5630172ce84ec41Andreas Huber 7672961230a5890071bcca436eb5630172ce84ec41Andreas Huber} // namespace android 7772961230a5890071bcca436eb5630172ce84ec41Andreas Huber 78