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 32840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huberstatic void appendIndent(AString *s, int32_t indent) { 33840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber static const char kWhitespace[] = 34840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber " " 35840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber " "; 36840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber 37840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber CHECK_LT((size_t)indent, sizeof(kWhitespace)); 38840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber 39840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber s->append(kWhitespace, indent); 40840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber} 41840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber 42840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Hubervoid hexdump(const void *_data, size_t size, size_t indent, AString *appendTo) { 4372961230a5890071bcca436eb5630172ce84ec41Andreas Huber const uint8_t *data = (const uint8_t *)_data; 4472961230a5890071bcca436eb5630172ce84ec41Andreas Huber 4572961230a5890071bcca436eb5630172ce84ec41Andreas Huber size_t offset = 0; 4672961230a5890071bcca436eb5630172ce84ec41Andreas Huber while (offset < size) { 4772961230a5890071bcca436eb5630172ce84ec41Andreas Huber AString line; 4872961230a5890071bcca436eb5630172ce84ec41Andreas Huber 49840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber appendIndent(&line, indent); 50840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber 5172961230a5890071bcca436eb5630172ce84ec41Andreas Huber char tmp[32]; 5272961230a5890071bcca436eb5630172ce84ec41Andreas Huber sprintf(tmp, "%08lx: ", (unsigned long)offset); 5372961230a5890071bcca436eb5630172ce84ec41Andreas Huber 5472961230a5890071bcca436eb5630172ce84ec41Andreas Huber line.append(tmp); 5572961230a5890071bcca436eb5630172ce84ec41Andreas Huber 5672961230a5890071bcca436eb5630172ce84ec41Andreas Huber for (size_t i = 0; i < 16; ++i) { 5772961230a5890071bcca436eb5630172ce84ec41Andreas Huber if (i == 8) { 5872961230a5890071bcca436eb5630172ce84ec41Andreas Huber line.append(' '); 5972961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 6072961230a5890071bcca436eb5630172ce84ec41Andreas Huber if (offset + i >= size) { 6172961230a5890071bcca436eb5630172ce84ec41Andreas Huber line.append(" "); 6272961230a5890071bcca436eb5630172ce84ec41Andreas Huber } else { 6372961230a5890071bcca436eb5630172ce84ec41Andreas Huber sprintf(tmp, "%02x ", data[offset + i]); 6472961230a5890071bcca436eb5630172ce84ec41Andreas Huber line.append(tmp); 6572961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 6672961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 6772961230a5890071bcca436eb5630172ce84ec41Andreas Huber 6872961230a5890071bcca436eb5630172ce84ec41Andreas Huber line.append(' '); 6972961230a5890071bcca436eb5630172ce84ec41Andreas Huber 7072961230a5890071bcca436eb5630172ce84ec41Andreas Huber for (size_t i = 0; i < 16; ++i) { 7172961230a5890071bcca436eb5630172ce84ec41Andreas Huber if (offset + i >= size) { 7272961230a5890071bcca436eb5630172ce84ec41Andreas Huber break; 7372961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 7472961230a5890071bcca436eb5630172ce84ec41Andreas Huber 7572961230a5890071bcca436eb5630172ce84ec41Andreas Huber if (isprint(data[offset + i])) { 7672961230a5890071bcca436eb5630172ce84ec41Andreas Huber line.append((char)data[offset + i]); 7772961230a5890071bcca436eb5630172ce84ec41Andreas Huber } else { 7872961230a5890071bcca436eb5630172ce84ec41Andreas Huber line.append('.'); 7972961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 8072961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 8172961230a5890071bcca436eb5630172ce84ec41Andreas Huber 82840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber if (appendTo != NULL) { 83840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber appendTo->append(line); 84840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber appendTo->append("\n"); 85840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber } else { 86840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber ALOGI("%s", line.c_str()); 87840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Huber } 8872961230a5890071bcca436eb5630172ce84ec41Andreas Huber 8972961230a5890071bcca436eb5630172ce84ec41Andreas Huber offset += 16; 9072961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 9172961230a5890071bcca436eb5630172ce84ec41Andreas Huber} 9272961230a5890071bcca436eb5630172ce84ec41Andreas Huber 9372961230a5890071bcca436eb5630172ce84ec41Andreas Huber} // namespace android 9472961230a5890071bcca436eb5630172ce84ec41Andreas Huber 95