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