Function zlib_deflate_raw

archive-zip.c:204–235

}

static void *zlib_deflate_raw(void *data, unsigned long size,
			      int compression_level,
			      unsigned long *compressed_size)
{
	git_zstream stream;
	unsigned long maxsize;
	void *buffer;
	int result;

	git_deflate_init_raw(&stream, compression_level);
	maxsize = git_deflate_bound(&stream, size);
	buffer = xmalloc(maxsize);

	stream.next_in = data;
	stream.avail_in = size;
	stream.next_out = buffer;
	stream.avail_out = maxsize;

	do {
		result = git_deflate(&stream, Z_FINISH);
	} while (result == Z_OK);

	if (result != Z_STREAM_END) {
		free(buffer);
		return NULL;
	}

	git_deflate_end(&stream);
	*compressed_size = stream.total_out;

	return buffer;
}

static void write_zip_data_desc(unsigned long size,
				unsigned long compressed_size,