1 /*
2  * Copyright (c) 2011, Mickael Savinaud, Communications & Systemes <mickael.savinaud@c-s.fr>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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
20  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24  * POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 /*
28  * compareRAWimages.c
29  *
30  *  Created on: 31 August 2011
31  *      Author: mickael
32  */
33 
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <string.h>
37 #include <ctype.h>
38 
39 #include "opj_getopt.h"
40 
41 void compareRAWimages_help_display(void);
42 
43 typedef struct test_cmp_parameters
44 {
45 	/**  */
46 	char* base_filename;
47 	/**  */
48 	char* test_filename;
49 } test_cmp_parameters;
50 
51 /*******************************************************************************
52  * Command line help function
53  *******************************************************************************/
compareRAWimages_help_display(void)54 void compareRAWimages_help_display(void) {
55 	fprintf(stdout,"\nList of parameters for the comparePGX function  \n");
56 	fprintf(stdout,"\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");
59 	fprintf(stdout,"\n");
60 }
61 
62 /*******************************************************************************
63  * Parse command line
64  *******************************************************************************/
parse_cmdline_cmp(int argc,char ** argv,test_cmp_parameters * param)65 int parse_cmdline_cmp(int argc, char **argv, test_cmp_parameters* param)
66 {
67 	int sizemembasefile, sizememtestfile;
68 	int index;
69 	const char optlist[] = "b:t:";
70 	int c;
71 
72 	/* Init parameters*/
73 	param->base_filename = NULL;
74 	param->test_filename = NULL;
75 
76 	opj_opterr = 0;
77 	while ((c = opj_getopt(argc, argv, optlist)) != -1)
78 		switch (c)
79 		{
80 		case 'b':
81 			sizemembasefile = (int)strlen(opj_optarg)+1;
82 			param->base_filename = (char*) malloc(sizemembasefile);
83 			param->base_filename[0] = '\0';
84 			strncpy(param->base_filename, opj_optarg, strlen(opj_optarg));
85 			param->base_filename[strlen(opj_optarg)] = '\0';
86 			/*printf("param->base_filename = %s [%d / %d]\n", param->base_filename, strlen(param->base_filename), sizemembasefile );*/
87 			break;
88 		case 't':
89 			sizememtestfile = (int) strlen(opj_optarg) + 1;
90 			param->test_filename = (char*) malloc(sizememtestfile);
91 			param->test_filename[0] = '\0';
92 			strncpy(param->test_filename, opj_optarg, strlen(opj_optarg));
93 			param->test_filename[strlen(opj_optarg)] = '\0';
94 			/*printf("param->test_filename = %s [%d / %d]\n", param->test_filename, strlen(param->test_filename), sizememtestfile);*/
95 			break;
96 		case '?':
97 			if ((opj_optopt == 'b') || (opj_optopt == 't'))
98 				fprintf(stderr, "Option -%c requires an argument.\n", opj_optopt);
99 			else
100 				if (isprint(opj_optopt))	fprintf(stderr, "Unknown option `-%c'.\n", opj_optopt);
101 				else	fprintf(stderr, "Unknown option character `\\x%x'.\n", opj_optopt);
102 			return 1;
103 		default:
104 			fprintf(stderr, "WARNING -> this option is not valid \"-%c %s\"\n", c, opj_optarg);
105 			break;
106 		}
107 
108 	if (opj_optind != argc) {
109 		for (index = opj_optind; index < argc; index++)
110 			fprintf(stderr,"Non-option argument %s\n", argv[index]);
111 		return EXIT_FAILURE;
112     }
113 
114   return EXIT_SUCCESS;
115 }
116 
117 /*******************************************************************************
118  * MAIN
119  *******************************************************************************/
main(int argc,char ** argv)120 int main(int argc, char **argv)
121 {
122 	test_cmp_parameters inParam;
123 	FILE *file_test=NULL, *file_base=NULL;
124 	unsigned char equal = 1;
125 
126 	/* Get parameters from command line*/
127 	if (parse_cmdline_cmp(argc, argv, &inParam) == EXIT_FAILURE)
128 	{
129 		compareRAWimages_help_display();
130 
131 		/* Free Memory */
132 		if (inParam.base_filename){
133 			free(inParam.base_filename);
134 			inParam.base_filename = NULL;
135 		}
136 		if (inParam.test_filename){
137 			free(inParam.test_filename);
138 			inParam.test_filename = NULL;
139 		}
140 
141 		return EXIT_FAILURE;
142 	}
143 
144 	file_test = fopen(inParam.test_filename, "rb");
145 	if (!file_test) {
146 		fprintf(stderr, "Failed to open %s for reading !!\n", inParam.test_filename);
147 
148 		/* Free Memory */
149 		if (inParam.base_filename){
150 			free(inParam.base_filename);
151 			inParam.base_filename = NULL;
152 		}
153 		if (inParam.test_filename){
154 			free(inParam.test_filename);
155 			inParam.test_filename = NULL;
156 		}
157 
158 		return EXIT_FAILURE;
159 	}
160 
161 	file_base = fopen(inParam.base_filename, "rb");
162 	if (!file_base) {
163 		fprintf(stderr, "Failed to open %s for reading !!\n", inParam.base_filename);
164 
165 		/* Free Memory */
166 		if (inParam.base_filename){
167 			free(inParam.base_filename);
168 			inParam.base_filename = NULL;
169 		}
170 		if (inParam.test_filename){
171 			free(inParam.test_filename);
172 			inParam.test_filename = NULL;
173 		}
174 
175 		fclose(file_test);
176 		return EXIT_FAILURE;
177 	}
178 
179 	/* Read simultaneously the two files*/
180 	while (equal)
181 	{
182 		unsigned char value_test = 0;
183 		unsigned char eof_test = 0;
184 		unsigned char value_base = 0;
185 		unsigned char eof_base = 0;
186 
187 		/* Read one byte*/
188 		if (!fread(&value_test, 1, 1, file_test)) {
189 			eof_test = 1;
190 		}
191 
192 		/* Read one byte*/
193 		if (!fread(&value_base, 1, 1, file_base)) {
194 			eof_base = 1;;
195 		}
196 
197 		/* End of file reached by the two files?*/
198 		if (eof_test && eof_base)
199 			break;
200 
201 		/* End of file reached only by one file?*/
202 		if (eof_test || eof_base)
203 		{
204 			fprintf(stdout,"Files have different sizes.\n");
205 			equal = 0;
206 		}
207 
208 		/* Binary values are equal?*/
209 		if (value_test != value_base)
210 		{
211 			fprintf(stdout,"Binary values read in the file are different.\n");
212 			equal = 0;
213 		}
214 	}
215 
216 	/* Free Memory */
217 	if (inParam.base_filename){
218 		free(inParam.base_filename);
219 		inParam.base_filename = NULL;
220 	}
221 	if (inParam.test_filename){
222 		free(inParam.test_filename);
223 		inParam.test_filename = NULL;
224 	}
225 
226 	fclose(file_test);
227 	fclose(file_base);
228 
229 	if (equal)
230 	{
231 		fprintf(stdout,"---- TEST SUCCEED: Files are equal ----\n");
232 		return EXIT_SUCCESS;
233 	}
234 	else
235 		return EXIT_FAILURE;
236 }
237