FreeCalypso > hg > tcs211-patches

annotate tool/readspec.c @ 18:94999935b791 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
main-rvtmodem.patch created
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Sun, 01 Nov 2015 06:40:12 +0000
parents 12e230d431f0
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
1 /*
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
2 * This module contains the code that reads and parses the patch
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
3 * description or specification ASCII text file.
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
4 */
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
5
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
6 #include <sys/types.h>
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
7 #include <ctype.h>
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
8 #include <stdio.h>
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
9 #include <stdlib.h>
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
10 #include <string.h>
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
11 #include <strings.h>
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
12 #include "patchinfo.h"
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
13 #include "globals.h"
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
14
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
15 static int lineno;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
16 static struct patch_module_desc **module_add_ptr = &patch_module_list;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
17 static struct patch_desc **patch_add_ptr;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
18
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
19 static void
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
20 set_module(name)
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
21 char *name;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
22 {
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
23 int len;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
24 char *buf;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
25 struct patch_module_desc *newmod;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
26
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
27 len = sizeof(struct patch_module_desc) + strlen(name) + 1;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
28 buf = malloc(len);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
29 if (!buf) {
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
30 perror("malloc");
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
31 exit(1);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
32 }
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
33 newmod = (struct patch_module_desc *) buf;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
34 newmod->member_name = buf + sizeof(struct patch_module_desc);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
35 strcpy(newmod->member_name, name);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
36 newmod->patches = 0;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
37 newmod->next = 0;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
38 *module_add_ptr = newmod;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
39 module_add_ptr = &newmod->next;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
40 patch_add_ptr = &newmod->patches;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
41 }
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
42
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
43 static void
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
44 add_patch(argline)
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
45 char *argline;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
46 {
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
47 char *cp, *args[3];
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
48 int i, len;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
49 char *buf;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
50 struct patch_desc *rec;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
51
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
52 for (cp = argline, i = 0; i < 3; i++) {
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
53 while (isspace(*cp))
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
54 cp++;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
55 if (!*cp) {
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
56 fprintf(stderr, "%s line %d: too few fields\n",
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
57 patch_desc_filename, lineno);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
58 exit(1);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
59 }
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
60 args[i] = cp;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
61 while (*cp && !isspace(*cp))
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
62 cp++;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
63 if (*cp)
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
64 *cp++ = '\0';
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
65 }
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
66 while (isspace(*cp))
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
67 cp++;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
68 if (*cp) {
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
69 fprintf(stderr, "%s line %d: too many fields\n",
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
70 patch_desc_filename, lineno);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
71 exit(1);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
72 }
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
73 if (!patch_add_ptr) {
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
74 fprintf(stderr,
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
75 "error: patch given before module (%s line %d)\n",
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
76 patch_desc_filename, lineno);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
77 exit(1);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
78 }
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
79 len = sizeof(struct patch_desc) + strlen(args[0]) + 1;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
80 buf = malloc(len);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
81 if (!buf) {
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
82 perror("malloc");
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
83 exit(1);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
84 }
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
85 rec = (struct patch_desc *) buf;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
86 rec->section = buf + sizeof(struct patch_desc);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
87 strcpy(rec->section, args[0]);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
88 rec->offset = strtoul(args[1], 0, 16);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
89 rec->new_byte = strtoul(args[2], 0, 16);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
90 rec->next = 0;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
91 *patch_add_ptr = rec;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
92 patch_add_ptr = &rec->next;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
93 }
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
94
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
95 read_spec_file()
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
96 {
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
97 FILE *f;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
98 char linebuf[128], *cp, *np;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
99
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
100 f = fopen(patch_desc_filename, "r");
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
101 if (!f) {
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
102 perror(patch_desc_filename);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
103 exit(1);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
104 }
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
105 for (lineno = 1; fgets(linebuf, sizeof linebuf, f); lineno++) {
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
106 for (cp = linebuf; isspace(*cp); cp++)
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
107 ;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
108 if (!*cp || *cp == '#')
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
109 continue;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
110 if (*cp == '[') {
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
111 np = ++cp;
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
112 cp = index(cp, ']');
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
113 if (!cp) {
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
114 fprintf(stderr,
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
115 "%s line %d: unmatched bracket\n",
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
116 patch_desc_filename, lineno);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
117 exit(1);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
118 }
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
119 *cp = '\0';
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
120 set_module(np);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
121 } else
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
122 add_patch(cp);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
123 }
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
124 fclose(f);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
125 return(0);
12e230d431f0 started writing libpatch tool
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
126 }