void mpack_writer_init_growable(mpack_writer_t* writer, char** target_data, size_t* target_size) {
mpack_assert(target_data != NULL, "cannot initialize writer without a destination for the data");
mpack_assert(target_size != NULL, "cannot initialize writer without a destination for the size");
*target_data = NULL;
*target_size = 0;
MPACK_STATIC_ASSERT(sizeof(mpack_growable_writer_t) <= sizeof(writer->reserved),
"not enough reserved space for growable writer!");
mpack_growable_writer_t* growable_writer = (mpack_growable_writer_t*)mpack_writer_get_reserved(writer);
growable_writer->target_data = target_data;
growable_writer->target_size = target_size;
size_t capacity = MPACK_BUFFER_SIZE;
char* buffer = (char*)MPACK_MALLOC(capacity);
if (buffer == NULL) {
mpack_writer_init_error(writer, mpack_error_memory);
return;
}
mpack_writer_init(writer, buffer, capacity);
mpack_writer_set_context(writer, growable_writer);
mpack_writer_set_flush(writer, mpack_growable_writer_flush);
mpack_writer_set_teardown(writer, mpack_growable_writer_teardown);
}
void mpack_writer_set_flush(mpack_writer_t* writer, mpack_writer_flush_t flush) {
MPACK_STATIC_ASSERT(MPACK_WRITER_MINIMUM_BUFFER_SIZE >= MPACK_MAXIMUM_TAG_SIZE,
"minimum buffer size must fit any tag!");
if (writer->size < MPACK_WRITER_MINIMUM_BUFFER_SIZE) {
mpack_break("buffer size is %i, but minimum buffer size for flush is %i",
(int)writer->size, MPACK_WRITER_MINIMUM_BUFFER_SIZE);
mpack_writer_flag_error(writer, mpack_error_bug);
return;
}
writer->flush = flush;
}
void mpack_reader_set_fill(mpack_reader_t* reader, mpack_reader_fill_t fill) {
MPACK_STATIC_ASSERT(MPACK_READER_MINIMUM_BUFFER_SIZE >= MPACK_MAXIMUM_TAG_SIZE,
"minimum buffer size must fit any tag!");
if (reader->size == 0) {
mpack_break("cannot use fill function without a writeable buffer!");
mpack_reader_flag_error(reader, mpack_error_bug);
return;
}
if (reader->size < MPACK_READER_MINIMUM_BUFFER_SIZE) {
mpack_break("buffer size is %i, but minimum buffer size for fill is %i",
(int)reader->size, MPACK_READER_MINIMUM_BUFFER_SIZE);
mpack_reader_flag_error(reader, mpack_error_bug);
return;
}
reader->fill = fill;
}
