static int
parse_file(struct _citrus_mapper_646 *m6, const char *path)
{
struct _memstream ms;
struct _region r;
const char *p;
char *pp;
size_t len;
char buf[PATH_MAX];
int i, ret;
ret = _map_file(&r, path);
if (ret)
return (ret);
_memstream_bind(&ms, &r);
for (i = 0; i < NUM_OF_SPECIALS; i++) {
retry:
p = _memstream_getln(&ms, &len);
if (p == NULL) {
ret = EINVAL;
break;
}
p = _bcs_skip_ws_len(p, &len);
if (*p == T_COMM || len==0)
goto retry;
if (!_bcs_isdigit(*p)) {
ret = EINVAL;
break;
}
snprintf(buf, sizeof(buf), "%.*s", (int)len, p);
pp = __DECONST(void *, p);
m6->m6_map[i] = strtoul(buf, (char **)&pp, 0);
p = _bcs_skip_ws(buf);
if (*p != T_COMM && !*p) {
ret = EINVAL;
break;
}
}
_unmap_file(&r);
return (ret);
};
static int
seq_next_plain(struct _citrus_lookup *cl, struct _region *key,
struct _region *data)
{
const char *p, *q;
size_t len;
if (cl->cl_rewind)
_memstream_bind(&cl->cl_plainms, &cl->cl_plainr);
cl->cl_rewind = 0;
retry:
p = _memstream_getln(&cl->cl_plainms, &len);
if (p == NULL)
return ENOENT;
/* ignore comment */
q = memchr(p, T_COMM, len);
if (q) {
len = q-p;
}
/* ignore trailing spaces */
_bcs_trunc_rws_len(p, &len);
p = _bcs_skip_ws_len(p, &len);
q = _bcs_skip_nonws_len(p, &len);
if (p==q)
goto retry;
if (cl->cl_key && ((size_t)(q-p) != cl->cl_keylen ||
memcmp(p, cl->cl_key, (size_t)(q-p)) != 0))
goto retry;
/* found a entry */
if (key)
_region_init(key, __UNCONST(p), (size_t)(q-p));
p = _bcs_skip_ws_len(q, &len);
if (data)
_region_init(data, len ? __UNCONST(p) : NULL, len);
return 0;
}
