1d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes/* 2d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Make a hexdump copy of C string 3d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 4d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> 5d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * All rights reserved. 6d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 7d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Redistribution and use in source and binary forms, with or without 8d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * modification, are permitted provided that the following conditions 9d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * are met: 10d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 1. Redistributions of source code must retain the above copyright 11d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * notice, this list of conditions and the following disclaimer. 12d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 2. Redistributions in binary form must reproduce the above copyright 13d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * notice, this list of conditions and the following disclaimer in the 14d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * documentation and/or other materials provided with the distribution. 15d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 3. The name of the author may not be used to endorse or promote products 16d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * derived from this software without specific prior written permission. 17d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 18d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes */ 29d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 30d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include "tests.h" 31d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 32d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include <assert.h> 33d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include <stdlib.h> 34d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include <string.h> 35d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 36d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesconst char * 37d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hugheshexdump_memdup(const char *src, size_t len) 38d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes{ 39d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes size_t dst_size = 3 * len + 2; 40d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes assert(dst_size > len); 41d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 42d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes char *dst = malloc(dst_size); 43d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (!dst) 44d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes perror_msg_and_fail("malloc(%zu)", dst_size); 45d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 46d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes char *p = dst; 47d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes const unsigned char *usrc = (const unsigned char *) src; 48d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes size_t i; 49d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes for (i = 0; i < len; ++i) { 50d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes unsigned int c = usrc[i]; 51d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes *(p++) = ' '; 52d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (i == 8) 53d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes *(p++) = ' '; 54d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes *(p++) = "0123456789abcdef"[c >> 4]; 55d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes *(p++) = "0123456789abcdef"[c & 0xf]; 56d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes } 57d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes *p = '\0'; 58d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 59d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes return dst; 60d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes} 61d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 62d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesconst char * 63d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hugheshexdump_strdup(const char *src) 64d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes{ 65d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes return hexdump_memdup(src, strlen(src)); 66d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes} 67