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#include "cgit.h"
int next_char(FILE *f)
{
int c = fgetc(f);
if (c=='\r') {
c = fgetc(f);
if (c!='\n') {
ungetc(c, f);
c = '\r';
}
}
return c;
}
void skip_line(FILE *f)
{
int c;
while((c=next_char(f)) && c!='\n' && c!=EOF)
;
}
int read_config_line(FILE *f, char *line, const char **value, int bufsize)
{
int i = 0, isname = 0;
*value = NULL;
while(i<bufsize-1) {
int c = next_char(f);
if (!isname && (c=='#' || c==';')) {
skip_line(f);
continue;
}
if (!isname && isblank(c))
continue;
if (c=='=' && !*value) {
line[i] = 0;
*value = &line[i+1];
} else if (c=='\n' && !isname) {
i = 0;
continue;
} else if (c=='\n' || c==EOF) {
line[i] = 0;
break;
} else {
line[i]=c;
}
isname = 1;
i++;
}
line[i+1] = 0;
return i;
}
int cgit_read_config(const char *filename, configfn fn)
{
int ret = 0, len;
char line[256];
const char *value;
FILE *f = fopen(filename, "r");
if (!f)
return -1;
while(len = read_config_line(f, line, &value, sizeof(line)))
(*fn)(line, value);
fclose(f);
return ret;
}
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