194 lines
6.1 KiB
C
194 lines
6.1 KiB
C
/*
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* Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* compare_raw_files.c
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*
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* Created on: 31 August 2011
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* Author: mickael
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*
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* This is equivalent to the UNIX `cmp` command
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include "opj_getopt.h"
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typedef struct test_cmp_parameters
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{
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/** */
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char* base_filename;
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/** */
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char* test_filename;
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} test_cmp_parameters;
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/*******************************************************************************
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* Command line help function
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*******************************************************************************/
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static void compare_raw_files_help_display(void) {
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fprintf(stdout,"\nList of parameters for the compare_raw_files function \n");
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fprintf(stdout,"\n");
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fprintf(stdout," -b \t REQUIRED \t filename to the reference/baseline RAW image \n");
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fprintf(stdout," -t \t REQUIRED \t filename to the test RAW image\n");
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fprintf(stdout,"\n");
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}
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/*******************************************************************************
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* Parse command line
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*******************************************************************************/
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static int parse_cmdline_cmp(int argc, char **argv, test_cmp_parameters* param)
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{
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size_t sizemembasefile, sizememtestfile;
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int index;
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const char optlist[] = "b:t:";
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int c;
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/* Init parameters*/
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param->base_filename = NULL;
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param->test_filename = NULL;
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opj_opterr = 0;
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while ((c = opj_getopt(argc, argv, optlist)) != -1)
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switch (c)
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{
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case 'b':
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sizemembasefile = strlen(opj_optarg)+1;
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free(param->base_filename); /* handle dup option */
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param->base_filename = (char*) malloc(sizemembasefile);
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strcpy(param->base_filename, opj_optarg);
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/*printf("param->base_filename = %s [%d / %d]\n", param->base_filename, strlen(param->base_filename), sizemembasefile );*/
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break;
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case 't':
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sizememtestfile = strlen(opj_optarg) + 1;
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free(param->test_filename); /* handle dup option */
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param->test_filename = (char*) malloc(sizememtestfile);
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strcpy(param->test_filename, opj_optarg);
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/*printf("param->test_filename = %s [%d / %d]\n", param->test_filename, strlen(param->test_filename), sizememtestfile);*/
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break;
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case '?':
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if ((opj_optopt == 'b') || (opj_optopt == 't'))
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fprintf(stderr, "Option -%c requires an argument.\n", opj_optopt);
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else
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if (isprint(opj_optopt)) fprintf(stderr, "Unknown option `-%c'.\n", opj_optopt);
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else fprintf(stderr, "Unknown option character `\\x%x'.\n", opj_optopt);
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return 1;
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default:
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fprintf(stderr, "WARNING -> this option is not valid \"-%c %s\"\n", c, opj_optarg);
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break;
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}
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if (opj_optind != argc) {
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for (index = opj_optind; index < argc; index++)
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fprintf(stderr,"Non-option argument %s\n", argv[index]);
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return 1;
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}
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return 0;
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}
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/*******************************************************************************
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* MAIN
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*******************************************************************************/
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int main(int argc, char **argv)
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{
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int pos = 0;
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test_cmp_parameters inParam;
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FILE *file_test=NULL, *file_base=NULL;
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unsigned char equal = 0U; /* returns error by default */
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/* Get parameters from command line*/
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if (parse_cmdline_cmp(argc, argv, &inParam))
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{
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compare_raw_files_help_display();
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goto cleanup;
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}
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file_test = fopen(inParam.test_filename, "rb");
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if (!file_test) {
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fprintf(stderr, "Failed to open %s for reading !!\n", inParam.test_filename);
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goto cleanup;
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}
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file_base = fopen(inParam.base_filename, "rb");
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if (!file_base) {
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fprintf(stderr, "Failed to open %s for reading !!\n", inParam.base_filename);
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goto cleanup;
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}
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/* Read simultaneously the two files*/
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equal = 1U;
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while (equal)
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{
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unsigned char value_test = 0;
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unsigned char eof_test = 0;
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unsigned char value_base = 0;
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unsigned char eof_base = 0;
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/* Read one byte*/
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if (!fread(&value_test, 1, 1, file_test)) {
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eof_test = 1;
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}
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/* Read one byte*/
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if (!fread(&value_base, 1, 1, file_base)) {
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eof_base = 1;
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}
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/* End of file reached by the two files?*/
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if (eof_test && eof_base)
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break;
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/* End of file reached only by one file?*/
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if (eof_test || eof_base)
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{
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fprintf(stdout,"Files have different sizes.\n");
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equal = 0;
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}
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/* Binary values are equal?*/
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if (value_test != value_base)
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{
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fprintf(stdout,"Binary values read in the file are different %x vs %x at position %d.\n", value_test, value_base, pos);
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equal = 0;
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}
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pos++;
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}
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if(equal) fprintf(stdout,"---- TEST SUCCEED: Files are equal ----\n");
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cleanup:
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if(file_test) fclose(file_test);
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if(file_base) fclose(file_base);
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/* Free Memory */
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free(inParam.base_filename);
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free(inParam.test_filename);
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return equal ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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