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comparison objgrep/main.c @ 170:13a9ce1590fc

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objgrep: parsing of -r and -s options implemented, no functionality yet
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Fri, 04 Jul 2014 02:56:21 +0000
parents 466b3926019c
children ddbfc1a1a811
comparison
equal deleted inserted replaced
169:466b3926019c 170:13a9ce1590fc
5 #include <sys/types.h> 5 #include <sys/types.h>
6 #include <stdio.h> 6 #include <stdio.h>
7 #include <stdlib.h> 7 #include <stdlib.h>
8 #include <string.h> 8 #include <string.h>
9 #include <strings.h> 9 #include <strings.h>
10 #include <unistd.h>
10 #include "globals.h" 11 #include "globals.h"
11 #include "intstruct.h" 12 #include "intstruct.h"
13
14 static int rflag, sflag;
12 15
13 main(argc, argv) 16 main(argc, argv)
14 char **argv; 17 char **argv;
15 { 18 {
16 unsigned n; 19 unsigned n;
20 int c;
21 extern int optind;
17 22
18 if (argc != 4) { 23 while ((c = getopt(argc, argv, "rs")) != EOF)
19 fprintf(stderr, "usage: %s <objfile> <section> <binfile>\n", 24 switch (c) {
20 argv[0]); 25 case 'r':
21 exit(2); 26 rflag++;
22 } 27 continue;
23 objfilename = argv[1]; 28 case 's':
29 sflag++;
30 continue;
31 default:
32 usage:
33 fprintf(stderr,
34 "usage: %s [-rs] objfile section binfile\n",
35 argv[0]);
36 exit(2);
37 }
38 if (argc - optind != 3)
39 goto usage;
40
41 objfilename = argv[optind];
24 mmap_objfile(); 42 mmap_objfile();
25 initial_parse_hdr(); 43 initial_parse_hdr();
26 get_int_section_table(); 44 get_int_section_table();
27 for (n = 0; n < nsections; n++) 45 for (n = 0; n < nsections; n++)
28 if (!strcmp(sections[n].name, argv[2])) { 46 if (!strcmp(sections[n].name, argv[optind+1])) {
29 grep_section = sections + n; 47 grep_section = sections + n;
30 break; 48 break;
31 } 49 }
32 if (!grep_section) { 50 if (!grep_section) {
33 fprintf(stderr, "no section named \"%s\" found in %s\n", 51 fprintf(stderr, "no section named \"%s\" found in %s\n",
34 argv[2], objfilename); 52 argv[optind+1], objfilename);
35 exit(2); 53 exit(2);
36 } 54 }
37 if (!grep_section->size) { 55 if (!grep_section->size) {
38 printf("%s:%s is empty\n", objfilename, grep_section->name); 56 printf("%s:%s is empty\n", objfilename, grep_section->name);
39 exit(1); 57 exit(1);
40 } 58 }
41 get_int_symbol_table(); 59 get_int_symbol_table();
42 prepare_pattern(); 60 prepare_pattern();
43 binfilename = argv[3]; 61 binfilename = argv[optind+2];
44 mmap_binfile(); 62 mmap_binfile();
45 if (!do_grep()) { 63 if (!do_grep()) {
46 printf("no match\n"); 64 printf("no match\n");
47 exit(1); 65 exit(1);
48 } 66 }