goat3d: src/chunk.cc annotate

goat3d

foo

author	John Tsiombikas <nuclear@member.fsf.org>
date	Fri, 17 Jan 2014 18:16:09 +0200
parents	6b651613bd9f
children	dad392c710df

rev	line source
nuclear@13	1 #include "goat3d.h"
nuclear@13	2 #include "chunk.h"
nuclear@13	3
nuclear@47	4 using namespace g3dimpl;
nuclear@47	5
nuclear@13	6 ChunkHeader chunk_header(int id)
nuclear@13	7 {
nuclear@13	8 ChunkHeader hdr;
nuclear@13	9 hdr.id = id;
nuclear@13	10 hdr.size = sizeof hdr;
nuclear@13	11 return hdr;
nuclear@13	12 }
nuclear@13	13
nuclear@47	14 bool g3dimpl::write_chunk_header(const ChunkHeader hdr, goat3d_io io)
nuclear@13	15 {
nuclear@24	16 io->seek(-(long)hdr->size, SEEK_CUR, io->cls);
nuclear@24	17 if(io->write(hdr, sizeof hdr, io->cls) < (long)sizeof hdr) {
nuclear@13	18 return false;
nuclear@13	19 }
nuclear@13	20 return true;
nuclear@13	21 }
nuclear@13	22
nuclear@47	23 bool g3dimpl::read_chunk_header(ChunkHeader hdr, goat3d_io io)
nuclear@13	24 {
nuclear@24	25 if(io->read(hdr, sizeof hdr, io->cls) < (long)sizeof hdr) {
nuclear@13	26 return false;
nuclear@13	27 }
nuclear@13	28 return true;
nuclear@13	29 }
nuclear@13	30
nuclear@47	31 void g3dimpl::skip_chunk(const ChunkHeader hdr, goat3d_io io)
nuclear@13	32 {
nuclear@13	33 io->seek(hdr->size - sizeof *hdr, SEEK_CUR, io->cls);
nuclear@13	34 }