2 * Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
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14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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30 * Created on: 31 August 2011
33 * This is equivalent to the UNIX `cmp` command
41 #include "opj_getopt.h"
43 typedef struct test_cmp_parameters
49 } test_cmp_parameters;
51 /*******************************************************************************
52 * Command line help function
53 *******************************************************************************/
54 static void compare_raw_files_help_display(void) {
55 fprintf(stdout,"\nList of parameters for the compare_raw_files function \n");
57 fprintf(stdout," -b \t REQUIRED \t filename to the reference/baseline RAW image \n");
58 fprintf(stdout," -t \t REQUIRED \t filename to the test RAW image\n");
62 /*******************************************************************************
64 *******************************************************************************/
65 static int parse_cmdline_cmp(int argc, char **argv, test_cmp_parameters* param)
67 size_t sizemembasefile, sizememtestfile;
69 const char optlist[] = "b:t:";
73 param->base_filename = NULL;
74 param->test_filename = NULL;
77 while ((c = opj_getopt(argc, argv, optlist)) != -1)
81 sizemembasefile = strlen(opj_optarg)+1;
82 free(param->base_filename); /* handle dup option */
83 param->base_filename = (char*) malloc(sizemembasefile);
84 strcpy(param->base_filename, opj_optarg);
85 /*printf("param->base_filename = %s [%d / %d]\n", param->base_filename, strlen(param->base_filename), sizemembasefile );*/
88 sizememtestfile = strlen(opj_optarg) + 1;
89 free(param->test_filename); /* handle dup option */
90 param->test_filename = (char*) malloc(sizememtestfile);
91 strcpy(param->test_filename, opj_optarg);
92 /*printf("param->test_filename = %s [%d / %d]\n", param->test_filename, strlen(param->test_filename), sizememtestfile);*/
95 if ((opj_optopt == 'b') || (opj_optopt == 't'))
96 fprintf(stderr, "Option -%c requires an argument.\n", opj_optopt);
98 if (isprint(opj_optopt)) fprintf(stderr, "Unknown option `-%c'.\n", opj_optopt);
99 else fprintf(stderr, "Unknown option character `\\x%x'.\n", opj_optopt);
102 fprintf(stderr, "WARNING -> this option is not valid \"-%c %s\"\n", c, opj_optarg);
106 if (opj_optind != argc) {
107 for (index = opj_optind; index < argc; index++)
108 fprintf(stderr,"Non-option argument %s\n", argv[index]);
115 /*******************************************************************************
117 *******************************************************************************/
118 int main(int argc, char **argv)
121 test_cmp_parameters inParam;
122 FILE *file_test=NULL, *file_base=NULL;
123 unsigned char equal = 0U; /* returns error by default */
125 /* Get parameters from command line*/
126 if (parse_cmdline_cmp(argc, argv, &inParam))
128 compare_raw_files_help_display();
132 file_test = fopen(inParam.test_filename, "rb");
134 fprintf(stderr, "Failed to open %s for reading !!\n", inParam.test_filename);
138 file_base = fopen(inParam.base_filename, "rb");
140 fprintf(stderr, "Failed to open %s for reading !!\n", inParam.base_filename);
144 /* Read simultaneously the two files*/
148 unsigned char value_test = 0;
149 unsigned char eof_test = 0;
150 unsigned char value_base = 0;
151 unsigned char eof_base = 0;
154 if (!fread(&value_test, 1, 1, file_test)) {
159 if (!fread(&value_base, 1, 1, file_base)) {
163 /* End of file reached by the two files?*/
164 if (eof_test && eof_base)
167 /* End of file reached only by one file?*/
168 if (eof_test || eof_base)
170 fprintf(stdout,"Files have different sizes.\n");
174 /* Binary values are equal?*/
175 if (value_test != value_base)
177 fprintf(stdout,"Binary values read in the file are different %x vs %x at position %d.\n", value_test, value_base, pos);
183 if(equal) fprintf(stdout,"---- TEST SUCCEED: Files are equal ----\n");
185 if(file_test) fclose(file_test);
186 if(file_base) fclose(file_base);
189 free(inParam.base_filename);
190 free(inParam.test_filename);
192 return equal ? EXIT_SUCCESS : EXIT_FAILURE;