diff options
Diffstat (limited to 'lapi.c')
-rw-r--r-- | lapi.c | 19 |
1 files changed, 13 insertions, 6 deletions
@@ -1,5 +1,5 @@ | |||
1 | /* | 1 | /* |
2 | ** $Id: lapi.c,v 2.130 2010/05/31 16:08:55 roberto Exp roberto $ | 2 | ** $Id: lapi.c,v 2.131 2010/06/04 13:05:29 roberto Exp roberto $ |
3 | ** Lua API | 3 | ** Lua API |
4 | ** See Copyright Notice in lua.h | 4 | ** See Copyright Notice in lua.h |
5 | */ | 5 | */ |
@@ -316,27 +316,34 @@ LUA_API int lua_compare (lua_State *L, int index1, int index2, int op) { | |||
316 | } | 316 | } |
317 | 317 | ||
318 | 318 | ||
319 | LUA_API lua_Number lua_tonumber (lua_State *L, int idx) { | 319 | LUA_API lua_Number lua_tonumberx (lua_State *L, int idx, int *isnum) { |
320 | TValue n; | 320 | TValue n; |
321 | const TValue *o = index2addr(L, idx); | 321 | const TValue *o = index2addr(L, idx); |
322 | if (tonumber(o, &n)) | 322 | if (tonumber(o, &n)) { |
323 | if (isnum) *isnum = 1; | ||
323 | return nvalue(o); | 324 | return nvalue(o); |
324 | else | 325 | } |
326 | else { | ||
327 | if (isnum) *isnum = 0; | ||
325 | return 0; | 328 | return 0; |
329 | } | ||
326 | } | 330 | } |
327 | 331 | ||
328 | 332 | ||
329 | LUA_API lua_Integer lua_tointeger (lua_State *L, int idx) { | 333 | LUA_API lua_Integer lua_tointegerx (lua_State *L, int idx, int *isnum) { |
330 | TValue n; | 334 | TValue n; |
331 | const TValue *o = index2addr(L, idx); | 335 | const TValue *o = index2addr(L, idx); |
332 | if (tonumber(o, &n)) { | 336 | if (tonumber(o, &n)) { |
333 | lua_Integer res; | 337 | lua_Integer res; |
334 | lua_Number num = nvalue(o); | 338 | lua_Number num = nvalue(o); |
335 | lua_number2integer(res, num); | 339 | lua_number2integer(res, num); |
340 | if (isnum) *isnum = 1; | ||
336 | return res; | 341 | return res; |
337 | } | 342 | } |
338 | else | 343 | else { |
344 | if (isnum) *isnum = 0; | ||
339 | return 0; | 345 | return 0; |
346 | } | ||
340 | } | 347 | } |
341 | 348 | ||
342 | 349 | ||