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#define RAW_BUFFER_SIZE 16384
#define BUFFER_SIZE (RAW_BUFFER_SIZE*2) /* Should be enough for decoding
the whole raw buffer. */
/*
* Ensure that the buffer contains at least length characters.
* Return 1 on success, 0 on failure.
*/
int
yaml_parser_update_reader(yaml_parser_t *parser, size_t length)
{
/* If the EOF flag is set, do nothing. */
if (parser->eof)
return 1;
/* First, let us check that the buffers are allocated. */
if (!parser->buffer) {
parser->buffer = yaml_malloc(BUFFER_SIZE);
if (!parser->buffer) {
parser->error = YAML_MEMORY_ERROR;
return 0;
}
parser->buffer_size = BUFFER_SIZE;
parser->buffer_pointer = parser->buffer;
parser->buffer_length = 0;
}
if (!parser->raw_buffer) {
parser->raw_buffer = yaml_malloc(RAW_BUFFER_SIZE);
if (!parser->raw_buffer) {
parser->error = YAML_MEMORY_ERROR;
return 0;
}
parser->raw_buffer_size = RAW_BUFFER_SIZE;
}
/* Next, determine the input encoding. */
if (!parser->encoding) {
if (!yaml_parser_determine_encoding(parser))
return 0;
}
/* more... */
}
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