1#include "cgit.h"
 2
 3int next_char(FILE *f)
 4{
 5	int c = fgetc(f);
 6	if (c=='\r') {
 7		c = fgetc(f);
 8		if (c!='\n') {
 9			ungetc(c, f);
10			c = '\r';
11		}
12	}
13	return c;
14}
15
16void skip_line(FILE *f)
17{
18	int c;
19
20	while((c=next_char(f)) && c!='\n' && c!=EOF)
21		;
22}
23
24int read_config_line(FILE *f, char *line, const char **value, int bufsize)
25{
26	int i = 0, isname = 0;
27
28	*value = NULL;
29	while(i<bufsize-1) {
30		int c = next_char(f);
31		if (!isname && (c=='#' || c==';')) {
32			skip_line(f);
33			continue;
34		}
35		if (!isname && isspace(c))
36			continue;
37
38		if (c=='=' && !*value) {
39			line[i] = 0;
40			*value = &line[i+1];
41		} else if (c=='\n' && !isname) {
42			i = 0;
43			continue;
44		} else if (c=='\n' || c==EOF) {
45			line[i] = 0;
46			break;
47		} else {
48			line[i]=c;
49		}
50		isname = 1;
51		i++;
52	}
53	line[i+1] = 0;
54	return i;
55}
56
57int cgit_read_config(const char *filename, configfn fn)
58{
59	int ret = 0, len;
60	char line[256];
61	const char *value;
62	FILE *f = fopen(filename, "r");
63
64	if (!f)
65		return -1;
66
67	while((len = read_config_line(f, line, &value, sizeof(line))) > 0)
68		(*fn)(line, value);
69
70	fclose(f);
71	return ret;
72}
73