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#include <lighttpd/filter_chunked.h>
/* len != 0 */
static void http_chunk_append_len(chunkqueue *cq, size_t len) {
size_t i, olen = len, j;
GString *s;
s = g_string_sized_new(sizeof(len) * 2 + 2);
for (i = 0; i < 8 && len; i++) {
len >>= 4;
}
/* i is the number of hex digits we have */
g_string_set_size(s, i);
for (j = i-1, len = olen; j+1 > 0; j--) {
s->str[j] = (len & 0xf) + (((len & 0xf) <= 9) ? '0' : 'a' - 10);
len >>= 4;
}
g_string_append_len(s, CONST_STR_LEN("\r\n"));
chunkqueue_append_string(cq, s);
}
handler_t filter_chunked_encode(connection *con, chunkqueue *out, chunkqueue *in) {
UNUSED(con);
if (in->length > 0) {
http_chunk_append_len(out, in->length);
chunkqueue_steal_all(out, in);
}
if (in->is_closed) {
if (!out->is_closed) {
chunkqueue_append_mem(out, CONST_STR_LEN("0\r\n"));
out->is_closed = TRUE;
}
return HANDLER_FINISHED;
}
return HANDLER_GO_ON;
}
handler_t filter_chunked_decode(connection *con, chunkqueue *out, chunkqueue *in) {
UNUSED(con);
UNUSED(out);
UNUSED(in);
return HANDLER_ERROR;
}