commit c194a46bc5bfef02708126378526f17afabb9998
parent 8954bdc7060ec9e977e1a3bb085eca487fd4821d
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Tue, 26 Nov 2002 06:59:26 -0200
detail
Diffstat:
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/ldebug.c b/ldebug.c
@@ -1,5 +1,5 @@
/*
-** $Id: ldebug.c,v 1.138 2002/11/21 15:16:04 roberto Exp roberto $
+** $Id: ldebug.c,v 1.139 2002/11/25 17:47:13 roberto Exp roberto $
** Debug Interface
** See Copyright Notice in lua.h
*/
@@ -91,10 +91,12 @@ LUA_API int lua_gethookcount (lua_State *L) {
LUA_API int lua_getstack (lua_State *L, int level, lua_Debug *ar) {
int status;
+ int ci;
lua_lock(L);
- if (L->ci - L->base_ci <= level) status = 0; /* there is no such level */
+ ci = (L->ci - L->base_ci) - level;
+ if (ci <= 0) status = 0; /* there is no such level */
else {
- ar->i_ci = (L->ci - L->base_ci) - level;
+ ar->i_ci = ci;
status = 1;
}
lua_unlock(L);