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* read_bmp_*(): add FORMAT_RETURN_SIZE

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* Lua: add luaL_checkboolean() & luaL_optboolean()
* Lua: add read_bmp_file


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21074 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2009-05-25 11:12:27 +00:00
parent b0e0ec832b
commit aec37aa5fe
5 changed files with 64 additions and 5 deletions
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13
apps/plugins/lua/lauxlib.c
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@ -200,6 +200,19 @@ LUALIB_API lua_Integer luaL_optinteger (lua_State *L, int narg,
}
LUALIB_API int luaL_checkboolean (lua_State *L, int narg) {
int b = lua_toboolean(L, narg);
if( b == 0 && !lua_isboolean(L, narg))
tag_error(L, narg, LUA_TBOOLEAN);
return b;
}
LUALIB_API int luaL_optboolean (lua_State *L, int narg, int def) {
return luaL_opt(L, luaL_checkboolean, narg, def);
}
LUALIB_API int luaL_getmetafield (lua_State *L, int obj, const char *event) {
if (!lua_getmetatable(L, obj)) /* no metatable? */
return 0;