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 17 //#define LOG_NDEBUG 0 18 #define LOG_TAG "hexdump" 19 #include <utils/Log.h> 20 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 70 LOGI("%s", line.c_str()); 71 72 offset += 16; 73 } 74 } 75 76 } // namespace android 77 78
