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use int for sdl1 mode and report size

master
Daniel Kolesa 2016-04-27 01:17:26 +01:00
parent c5a9d535f5
commit 878476a397
1 changed files with 17 additions and 7 deletions
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24
ostd/ext/sdl_rwops.hh
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@ -18,29 +18,39 @@
namespace ostd {
namespace sdl {
#ifdef OSTD_EXT_SDL_USE_SDL1
using SDLRWopsOffset = int;
#else
using SDLRWopsOffset = Int64;
#endif
inline SDL_RWops *stream_to_rwops(Stream &s) {
SDL_RWops *rwr = SDL_AllocRW();
if (!rwr) {
return nullptr;
}
rwr->hidden.unknown.data1 = &s;
rwr->seek = [](SDL_RWops *rw, Int64 pos, int whence) -> Int64 {
rwr->size = [](SDL_RWops *rw) -> SDLRWopsOffset {
Stream *is = (Stream *)rw->hidden.unknown.data1;
return (SDLRWopsOffset)is->size();
};
rwr->seek = [](SDL_RWops *rw, SDLRWopsOffset pos, int whence) -> SDLRWopsOffset {
Stream *is = (Stream *)rw->hidden.unknown.data1;
if (!pos && whence == SEEK_CUR)
return (Int64)is->tell();
return (SDLRWopsOffset)is->tell();
if (is->seek(((StreamOffset)pos, (StreamSeek)whence))
return (Int64)is->tell();
return (SDLRWopsOffset)is->tell();
return -1;
}
};
rwr->read = [](SDL_RWops *rw, void *buf, Size size, Size nb) -> Size {
Stream *is = (Stream *)rw->hidden.unknown.data1;
return is->read_bytes(buf, size * nb) / size;
}
};
rwr->write = [](SDL_RWops *rw, const void *buf, Size size, Size nb) -> Size {
Stream *is = (Stream *)rw->hidden.unknown.data1;
return is->write_bytes(buf, size * nb) / size;
}
rwr->close = [](SDL_RWops *) -> int { return 0; }
};
rwr->close = [](SDL_RWops *) -> int { return 0; };
return rwr;
}