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small changes to avoid some warnings

This commit is contained in:
Roberto Ierusalimschy 2011-11-16 16:51:36 -02:00
parent 6cce5c0601
commit b5d7255034
1 changed files with 5 additions and 9 deletions
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14
lapi.c
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@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 2.155 2011/10/24 16:53:05 roberto Exp roberto $
** $Id: lapi.c,v 2.156 2011/10/31 17:48:51 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@ -1182,7 +1182,6 @@ LUA_API void *lua_newuserdata (lua_State *L, size_t size) {
static const char *aux_upvalue (StkId fi, int n, TValue **val,
GCObject **owner) {
switch (ttype(fi)) {
@ -1201,10 +1200,7 @@ static const char *aux_upvalue (StkId fi, int n, TValue **val,
*val = f->upvals[n-1]->v;
if (owner) *owner = obj2gco(f->upvals[n - 1]);
name = p->upvalues[n-1].name;
if (name == NULL) /* no debug information? */
return "";
else
return getstr(name);
return (name == NULL) ? "" : getstr(name);
}
default: return NULL; /* not a closure */
}
@ -1213,7 +1209,7 @@ static const char *aux_upvalue (StkId fi, int n, TValue **val,
LUA_API const char *lua_getupvalue (lua_State *L, int funcindex, int n) {
const char *name;
TValue *val;
TValue *val = NULL; /* initialized to avoid warnings */
lua_lock(L);
name = aux_upvalue(index2addr(L, funcindex), n, &val, NULL);
if (name) {
@ -1227,8 +1223,8 @@ LUA_API const char *lua_getupvalue (lua_State *L, int funcindex, int n) {
LUA_API const char *lua_setupvalue (lua_State *L, int funcindex, int n) {
const char *name;
TValue *val;
GCObject *owner;
TValue *val = NULL; /* initialized to avoid warnings */
GCObject *owner = NULL; /* initialized to avoid warnings */
StkId fi;
lua_lock(L);
fi = index2addr(L, funcindex);