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'what' may be NULL in 'kname'

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This commit is contained in:
Roberto Ierusalimschy 2010-06-16 10:44:36 -03:00
parent b98de30b8f
commit 409741e900
1 changed files with 2 additions and 2 deletions
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4
ldebug.c
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@ -1,5 +1,5 @@
/*
** $Id: ldebug.c,v 2.69 2010/04/08 17:06:33 roberto Exp roberto $
** $Id: ldebug.c,v 2.70 2010/04/13 20:48:12 roberto Exp roberto $
** Debug Interface
** See Copyright Notice in lua.h
*/
@ -264,7 +264,7 @@ LUA_API int lua_getinfo (lua_State *L, const char *what, lua_Debug *ar) {
static void kname (Proto *p, int c, int reg, const char *what,
const char **name) {
if (c == reg && *what == 'c')
if (c == reg && what && *what == 'c')
return; /* index is a constant; name already correct */
else if (ISK(c) && ttisstring(&p->k[INDEXK(c)]))
*name = svalue(&p->k[INDEXK(c)]);