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unused variable removed

This commit is contained in:
Roberto Ierusalimschy 2011-11-30 11:03:24 -02:00
parent 7bcb2462e4
commit c5da4f4cd0
1 changed files with 2 additions and 3 deletions
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5
lbaselib.c
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@ -1,5 +1,5 @@
/* /*
** $Id: lbaselib.c,v 1.271 2011/11/29 15:55:08 roberto Exp roberto $ ** $Id: lbaselib.c,v 1.272 2011/11/30 12:42:21 roberto Exp roberto $
** Basic library ** Basic library
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -288,7 +288,6 @@ static int luaB_loadfile (lua_State *L) {
** reserved slot inside the stack. ** reserved slot inside the stack.
*/ */
static const char *generic_reader (lua_State *L, void *ud, size_t *size) { static const char *generic_reader (lua_State *L, void *ud, size_t *size) {
const char *s;
(void)(ud); /* not used */ (void)(ud); /* not used */
luaL_checkstack(L, 2, "too many nested functions"); luaL_checkstack(L, 2, "too many nested functions");
lua_pushvalue(L, 1); /* get function */ lua_pushvalue(L, 1); /* get function */
@ -297,7 +296,7 @@ static const char *generic_reader (lua_State *L, void *ud, size_t *size) {
*size = 0; *size = 0;
return NULL; return NULL;
} }
else if ((s = lua_tostring(L, -1)) == NULL) else if (!lua_isstring(L, -1))
luaL_error(L, "reader function must return a string"); luaL_error(L, "reader function must return a string");
lua_replace(L, RESERVEDSLOT); /* save string in reserved slot */ lua_replace(L, RESERVEDSLOT); /* save string in reserved slot */
return lua_tolstring(L, RESERVEDSLOT, size); return lua_tolstring(L, RESERVEDSLOT, size);