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comparison config.c @ 495:39cad98d2789

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Allow OpenGL support to be disabled at compile time. Move generic utility functions out of config.c
author Mike Pavone <pavone@retrodev.com>
date Mon, 28 Oct 2013 19:37:30 -0700
parents 140af5509ce7
children 6fc71114d145
comparison
equal deleted inserted replaced
492:dffc07104b09 495:39cad98d2789
1 /* 1 /*
2 Copyright 2013 Michael Pavone 2 Copyright 2013 Michael Pavone
3 This file is part of BlastEm. 3 This file is part of BlastEm.
4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text. 4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
5 */ 5 */
6 #include "tern.h" 6 #include "tern.h"
7 #include "util.h"
7 #include <stdio.h> 8 #include <stdio.h>
8 #include <stdlib.h> 9 #include <stdlib.h>
9 #include <string.h> 10 #include <string.h>
10 #include <stdarg.h>
11 #include <ctype.h>
12 11
13 #include <sys/types.h> 12 #include <sys/types.h>
14 #include <sys/stat.h> 13 #include <sys/stat.h>
15 #include <unistd.h> 14 #include <unistd.h>
16
17 char * alloc_concat(char * first, char * second)
18 {
19 int flen = strlen(first);
20 int slen = strlen(second);
21 char * ret = malloc(flen + slen + 1);
22 memcpy(ret, first, flen);
23 memcpy(ret+flen, second, slen+1);
24 return ret;
25 }
26
27 char * alloc_concat_m(int num_parts, char ** parts)
28 {
29 int total = 0;
30 for (int i = 0; i < num_parts; i++) {
31 total += strlen(parts[i]);
32 }
33 char * ret = malloc(total + 1);
34 *ret = 0;
35 for (int i = 0; i < num_parts; i++) {
36 strcat(ret, parts[i]);
37 }
38 return ret;
39 }
40
41 long file_size(FILE * f)
42 {
43 fseek(f, 0, SEEK_END);
44 long fsize = ftell(f);
45 fseek(f, 0, SEEK_SET);
46 return fsize;
47 }
48
49 char * strip_ws(char * text)
50 {
51 while (*text && (!isprint(*text) || isblank(*text)))
52 {
53 text++;
54 }
55 char * ret = text;
56 text = ret + strlen(ret) - 1;
57 while (text > ret && (!isprint(*text) || isblank(*text)))
58 {
59 *text = 0;
60 text--;
61 }
62 return ret;
63 }
64
65 char * split_keyval(char * text)
66 {
67 while (*text && !isblank(*text))
68 {
69 text++;
70 }
71 if (!*text) {
72 return text;
73 }
74 *text = 0;
75 return text+1;
76 }
77 15
78 #define MAX_NEST 30 //way more than I'll ever need 16 #define MAX_NEST 30 //way more than I'll ever need
79 17
80 tern_node * parse_config(char * config_data) 18 tern_node * parse_config(char * config_data)
81 { 19 {
199 if (ret) { 137 if (ret) {
200 goto success; 138 goto success;
201 } 139 }
202 free(path); 140 free(path);
203 load_in_app_dir: 141 load_in_app_dir:
204 142
205 linktext = readlink_alloc("/proc/self/exe"); 143 linktext = readlink_alloc("/proc/self/exe");
206 if (!linktext) { 144 if (!linktext) {
207 goto link_prob; 145 goto link_prob;
208 } 146 }
209 char * cur; 147 char * cur;