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new type lua_Unsigned and corresponding projection/injection functions

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Roberto Ierusalimschy
2010-10-25 18:31:11 -02:00
parent 4590a89b32
commit c6b64ffe65
6 changed files with 66 additions and 22 deletions
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17
lauxlib.c
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@@ -1,5 +1,5 @@
/*
** $Id: lauxlib.c,v 1.221 2010/10/01 18:53:00 roberto Exp roberto $
** $Id: lauxlib.c,v 1.222 2010/10/25 19:01:37 roberto Exp roberto $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/
@@ -330,11 +330,26 @@ LUALIB_API lua_Integer luaL_checkinteger (lua_State *L, int narg) {
}
LUALIB_API lua_Unsigned luaL_checkunsigned (lua_State *L, int narg) {
int isnum;
lua_Unsigned d = lua_tounsignedx(L, narg, &isnum);
if (!isnum)
tag_error(L, narg, LUA_TNUMBER);
return d;
}
LUALIB_API lua_Integer luaL_optinteger (lua_State *L, int narg,
lua_Integer def) {
return luaL_opt(L, luaL_checkinteger, narg, def);
}
LUALIB_API lua_Unsigned luaL_optunsigned (lua_State *L, int narg,
lua_Unsigned def) {
return luaL_opt(L, luaL_checkunsigned, narg, def);
}
/* }====================================================== */