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only process args that exist

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ASTERISK-18395


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@341809 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Matthew Nicholson
2011-10-21 16:41:59 +00:00
parent c0d3d4b0e4
commit a16caab0e0
1 changed files with 1 additions and 1 deletions
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pbx/pbx_lua.c
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@@ -599,7 +599,7 @@ static void lua_concat_args(lua_State *L, int start, int nargs) {
int concat = 0; int concat = 0;
int i = start + 1; int i = start + 1;
if (!lua_isnil(L, start)) { if (start <= nargs && !lua_isnil(L, start)) {
lua_pushvalue(L, start); lua_pushvalue(L, start);
concat += 1; concat += 1;
} }