blob: 58716b9224b87188bf1d72211734ed005757ccaa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/* config.c: Config file reader.
*
* Copyright 1999 D. Jeff Dionne, <jeff@rt-control.com>
*
* This is free software, under the LGPL V2.0
*/
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <cfgfile.h>
/* This is a quick and dirty config file parser. It reads the file once for
* each request, there is no cache. Each line must be less than 128bytes.
*/
static char *args[16];
static char cfgbuf[128];
static char *
ws(char **buf)
{
char *b = *buf;
char *p;
/* eat ws */
while (*b &&
(*b == ' ' ||
*b == '\n' ||
*b == '\t')) b++;
p = b;
/* find the end */
while (*p &&
!(*p == ' ' ||
*p == '\n' ||
*p == '\t')) p++;
*p = 0;
*buf = p+1;
return b;
}
char **
cfgread(FILE *fp)
{
char *ebuf;
char *p;
int i;
if (!fp) {
errno = EIO;
return (void *)0;
}
while (fgets(cfgbuf, sizeof(cfgbuf), fp)) {
/* ship comment lines */
if (cfgbuf[0] == '#') continue;
ebuf = cfgbuf + strlen(cfgbuf);
p = cfgbuf;
for (i = 0; i < 16 && p < ebuf; i++) {
args[i] = ws(&p);
}
args[i] = (void *)0;
/* return if we found something */
if (strlen(args[0])) return args;
}
return (void *)0;
}
char **
cfgfind(FILE *fp, char *var)
{
char **ret;
char search[80];
if (!fp || !var) {
errno = EIO;
return (void *)0;
}
strncpy(search, var, sizeof(search));
fseek(fp, 0, SEEK_SET);
while ((ret = cfgread(fp))) {
if (!strcmp(ret[0], search)) return ret;
}
return (void *)0;
}
|
