1/* 2 * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of version 2 of the GNU General Public License as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it would be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 11 * 12 * Further, this software is distributed without any warranty that it is 13 * free of the rightful claim of any third person regarding infringement 14 * or the like. Any license provided herein, whether implied or 15 * otherwise, applies only to this software file. Patent licenses, if 16 * any, provided herein do not apply to combinations of this program with 17 * other software, or any other product whatsoever. 18 * 19 * You should have received a copy of the GNU General Public License along 20 * with this program; if not, write the Free Software Foundation, Inc., 21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 22 * 23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, 24 * Mountain View, CA 94043, or: 25 * 26 * http://www.sgi.com 27 * 28 * For further information regarding this notice, see: 29 * 30 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ 31 */ 32#include <stdio.h> 33#include <string.h> 34#include "dataascii.h" 35 36#define CHARS "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghjiklmnopqrstuvwxyz\n" 37#define CHARS_SIZE sizeof(CHARS) 38 39#ifdef UNIT_TEST 40#include <stdlib.h> 41#endif 42 43static char Errmsg[80]; 44 45int dataasciigen(char *listofchars, char *buffer, int bsize, int offset) 46{ 47 int cnt; 48 int total; 49 int ind; 50 char *chr; 51 int chars_size; 52 char *charlist; 53 54 chr = buffer; 55 total = offset + bsize; 56 57 if (listofchars == NULL) { 58 charlist = CHARS; 59 chars_size = CHARS_SIZE; 60 } else { 61 charlist = listofchars; 62 chars_size = strlen(listofchars); 63 } 64 65 for (cnt = offset; cnt < total; cnt++) { 66 ind = cnt % chars_size; 67 *chr++ = charlist[ind]; 68 } 69 70 return bsize; 71} 72 73int dataasciichk(char *listofchars, char *buffer, int bsize, 74 int offset, char **errmsg) 75{ 76 int cnt; 77 int total; 78 int ind; 79 char *chr; 80 int chars_size; 81 char *charlist; 82 83 chr = buffer; 84 total = offset + bsize; 85 86 if (listofchars == NULL) { 87 charlist = CHARS; 88 chars_size = CHARS_SIZE; 89 } else { 90 charlist = listofchars; 91 chars_size = strlen(listofchars); 92 } 93 94 if (errmsg != NULL) 95 *errmsg = Errmsg; 96 97 for (cnt = offset; cnt < total; chr++, cnt++) { 98 ind = cnt % chars_size; 99 if (*chr != charlist[ind]) { 100 sprintf(Errmsg, 101 "data mismatch at offset %d, exp:%#o, act:%#o", 102 cnt, charlist[ind], *chr); 103 return cnt; 104 } 105 } 106 107 sprintf(Errmsg, "all %d bytes match desired pattern", bsize); 108 return -1; 109} 110 111#if UNIT_TEST 112 113int main(int ac, char **ag) 114{ 115 116 int size = 1023; 117 char *buffer; 118 int ret; 119 char *errmsg; 120 121 buffer = malloc(size); 122 if (buffer == NULL) { 123 perror("malloc"); 124 exit(2); 125 } 126 127 dataasciigen(NULL, buffer, size, 0); 128 printf("dataasciigen(NULL, buffer, %d, 0)\n", size); 129 130 ret = dataasciichk(NULL, buffer, size, 0, &errmsg); 131 printf("dataasciichk(NULL, buffer, %d, 0, &errmsg) returned %d %s\n", 132 size, ret, errmsg); 133 134 if (ret == -1) 135 printf("\tPASS return value is -1 as expected\n"); 136 else 137 printf("\tFAIL return value is %d, expected -1\n", ret); 138 139 ret = dataasciichk(NULL, &buffer[1], size - 1, 1, &errmsg); 140 printf("dataasciichk(NULL, &buffer[1], %d, 1, &errmsg) returned %d %s\n", 141 size - 1, ret, errmsg); 142 143 if (ret == -1) 144 printf("\tPASS return value is -1 as expected\n"); 145 else 146 printf("\tFAIL return value is %d, expected -1\n", ret); 147 148 buffer[25] = 0x0; 149 printf("changing char 25\n"); 150 151 ret = dataasciichk(NULL, &buffer[1], size - 1, 1, &errmsg); 152 printf("dataasciichk(NULL, &buffer[1], %d, 1, &errmsg) returned %d %s\n", 153 size - 1, ret, errmsg); 154 155 if (ret == 25) 156 printf("\tPASS return value is 25 as expected\n"); 157 else 158 printf("\tFAIL return value is %d, expected 25\n", ret); 159 160 dataasciigen("this is a test of the my string", buffer, size, 0); 161 printf("dataasciigen(\"this is a test of the my string\", buffer, %d, 0)\n", 162 size); 163 164 ret = dataasciichk("this is a test of the my string", 165 buffer, size, 0, &errmsg); 166 printf("dataasciichk(\"this is a test of the my string\", buffer, %d, 0, &errmsg) returned %d %s\n", 167 size, ret, errmsg); 168 169 if (ret == -1) 170 printf("\tPASS return value is -1 as expected\n"); 171 else 172 printf("\tFAIL return value is %d, expected -1\n", ret); 173 174 ret = 175 dataasciichk("this is a test of the my string", &buffer[1], 176 size - 1, 1, &errmsg); 177 printf("dataasciichk(\"this is a test of the my string\", &buffer[1], %d, 1, &errmsg) returned %d %s\n", 178 size - 1, ret, errmsg); 179 180 if (ret == -1) 181 printf("\tPASS return value is -1 as expected\n"); 182 else 183 printf("\tFAIL return value is %d, expected -1\n", ret); 184 185 buffer[25] = 0x0; 186 printf("changing char 25\n"); 187 188 ret = dataasciichk("this is a test of the my string", &buffer[1], 189 size - 1, 1, &errmsg); 190 printf("dataasciichk(\"this is a test of the my string\", &buffer[1], %d, 1, &errmsg) returned %d %s\n", 191 size - 1, ret, errmsg); 192 193 if (ret == 25) 194 printf("\tPASS return value is 25 as expected\n"); 195 else 196 printf("\tFAIL return value is %d, expected 25\n", ret); 197 198 exit(0); 199} 200 201#endif 202