lib/isc/lex.c

44 	isc_buffer_t *			pushback;
211 	source->pushback = NULL;
212 	result = isc_buffer_allocate(lex->mctx, &source->pushback,
297 	isc_buffer_free(&source->pushback);
318 pushback(inputsource *source, int c) {
319 	REQUIRE(source->pushback->current > 0);
324 	source->pushback->current--;
331 	if (isc_buffer_availablelength(source->pushback) == 0) {
337 		oldlen = isc_buffer_length(source->pushback);
341 		isc_buffer_usedregion(source->pushback, &used);
344 		tbuf->current = source->pushback->current;
345 		isc_buffer_free(&source->pushback);
346 		source->pushback = tbuf;
348 	isc_buffer_putuint8(source->pushback, (isc_uint8_t)c);
391 	if (isc_buffer_remaininglength(source->pushback) == 0 &&
406 	isc_buffer_compact(source->pushback);
424 		if (isc_buffer_remaininglength(source->pushback) == 0) {
466 				   isc_buffer_consumedlength(source->pushback);
467 			c = isc_buffer_getuint8(source->pushback);
582 				pushback(source, c);
599 					pushback(source, c);
654 				pushback(source, c);
690 			pushback(source, c);
754 					pushback(source, c);
869 	REQUIRE(isc_buffer_consumedlength(source->pushback) != 0 ||
874 	isc_buffer_first(source->pushback);
889 	REQUIRE(isc_buffer_consumedlength(source->pushback) != 0 ||
894 	INSIST(source->ignored <= isc_buffer_consumedlength(source->pushback));
895 	r->base = (unsigned char *)isc_buffer_base(source->pushback) +
897 	r->length = isc_buffer_consumedlength(source->pushback) -