static int bitset_emit(lc_appendable_t *app, const lc_arg_occ_t *occ,
const lc_arg_value_t *arg)
{
int res = 0;
lc_arg_append(app, occ, "[", 1);
++res;
const char *prefix = "";
bitset_t *b = (bitset_t*)arg->v_ptr;
bitset_foreach(b, p) {
char buf[32];
int n = snprintf(buf, sizeof(buf), "%s%d", prefix, (int) p);
lc_arg_append(app, occ, buf, n);
prefix = ", ";
res += n;
}
static int std_emit(lc_appendable_t *app, const lc_arg_occ_t *occ, const lc_arg_value_t *val)
{
char fmt[32];
int res = 0;
make_fmt(fmt, sizeof(fmt), occ);
switch (occ->conversion) {
/* Store the number of written characters in the given
* int pointer location */
case 'n': {
int *num = (int*)val->v_ptr;
*num = (int)app->written;
break;
}
/* strings are dumped directly, since they can get really big. A
* buffer of 128 letters for all other types should be enough. */
case 's': {
const char *str = (const char*)val->v_ptr;
res = lc_arg_append(app, occ, str, strlen(str));
break;
}
default: {
int len = MAX(128, occ->width + 1);
char *buf = XMALLOCN(char, len);
res = dispatch_snprintf(buf, len, fmt, occ->lc_arg_type, val);
res = lc_appendable_snadd(app, buf, res);
free(buf);
}
}
return res;
}
