0.4.4/experiments/try_runlen.c

/*
 *  Copyright (C) 2004  Anders Gavare.  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.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 *
 *
 *  $Id: try_runlen.c,v 1.4 2005/01/09 01:55:27 debug Exp $
 *
 *  Run length test.
 *  This program takes a text file of the following format as input:
 *
 *      8003005c
 *      80030060
 *      80030064
 *      80030068
 *      8003006c
 *      80030070
 *      8013f740
 *      8013f744
 *      8013f748
 *      8013f74c
 *
 *  and returns the number of successive instructions in a block. Using
 *  the example above, the output would be:
 *
 *      6
 *      4
 */

#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <string.h>


int main(int argc, char *argv[])
{
        FILE *f;
        long long addr = 1;     /*  Magic number 1  */
        long long newaddr;
        char buf[100];
        int count;

        if (argc < 2) {
                fprintf(stderr, "usage: %s inputfile\n", argv[0]);
                exit(1);
        }

        f = fopen(argv[1], "r");
        if (f == NULL) {
                perror(argv[1]);
                exit(1);
        }

        count = 0;
        buf[0] = '0';
        buf[1] = 'x';

        while (!feof(f)) {
                buf[2] = buf[sizeof(buf)-1] = 0;
                fgets(buf + 2, sizeof(buf) - 2, f);

                /*  printf("buf = '%s'\n", buf);  */

                if (strlen(buf) < 4)
                        break;

                newaddr = strtoull(buf, NULL, 0);
                if (addr != 1 && newaddr != addr + 4) {
                        printf("%i\n", count);
                        count = 0;
                }
                count ++;

                addr = newaddr;
        }

        /*  Print the length of the last block:  */
        printf("%i\n", count);

        return 0;
}

1	/*
2	* Copyright (C) 2004 Anders Gavare. All rights reserved.
3	*
4	* Redistribution and use in source and binary forms, with or without
5	* modification, are permitted provided that the following conditions are met:
6	*
7	* 1. Redistributions of source code must retain the above copyright
8	* notice, this list of conditions and the following disclaimer.
9	* 2. Redistributions in binary form must reproduce the above copyright
10	* notice, this list of conditions and the following disclaimer in the
11	* documentation and/or other materials provided with the distribution.
12	* 3. The name of the author may not be used to endorse or promote products
13	* derived from this software without specific prior written permission.
14	*
15	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25	* SUCH DAMAGE.
26	*
27	*
28	* $Id: try_runlen.c,v 1.4 2005/01/09 01:55:27 debug Exp $
29	*
30	* Run length test.
31	* This program takes a text file of the following format as input:
32	*
33	* 8003005c
34	* 80030060
35	* 80030064
36	* 80030068
37	* 8003006c
38	* 80030070
39	* 8013f740
40	* 8013f744
41	* 8013f748
42	* 8013f74c
43	*
44	* and returns the number of successive instructions in a block. Using
45	* the example above, the output would be:
46	*
47	* 6
48	* 4
49	*/
50
51	#include <stdio.h>
52	#include <stdlib.h>
53	#include <limits.h>
54	#include <string.h>
55
56
57	int main(int argc, char *argv[])
58	{
59	FILE *f;
60	long long addr = 1; /* Magic number 1 */
61	long long newaddr;
62	char buf[100];
63	int count;
64
65	if (argc < 2) {
66	fprintf(stderr, "usage: %s inputfile\n", argv[0]);
67	exit(1);
68	}
69
70	f = fopen(argv[1], "r");
71	if (f == NULL) {
72	perror(argv[1]);
73	exit(1);
74	}
75
76	count = 0;
77	buf[0] = '0';
78	buf[1] = 'x';
79
80	while (!feof(f)) {
81	buf[2] = buf[sizeof(buf)-1] = 0;
82	fgets(buf + 2, sizeof(buf) - 2, f);
83
84	/* printf("buf = '%s'\n", buf); */
85
86	if (strlen(buf) < 4)
87	break;
88
89	newaddr = strtoull(buf, NULL, 0);
90	if (addr != 1 && newaddr != addr + 4) {
91	printf("%i\n", count);
92	count = 0;
93	}
94	count ++;
95
96	addr = newaddr;
97	}
98
99	/* Print the length of the last block: */
100	printf("%i\n", count);
101
102	return 0;
103	}
104