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formats.cpp: print lua error string (like elsewherE)

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This commit is contained in:
Henri DF 2016-03-01 22:01:14 -08:00
parent a52441dcaa
commit f0da1c724b
1 changed files with 1 additions and 0 deletions
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userspace/digwatch/formats.cpp
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@ -43,6 +43,7 @@ int digwatch_formats::format_event (lua_State *ls)
if (!lua_islightuserdata(ls, -1) || !lua_islightuserdata(ls, -2)) {
string err = "invalid arguments passed to format_event() ";
fprintf(stderr, "%s\n", err.c_str());
throw sinsp_exception("format_event error");
}
sinsp_evt* evt = (sinsp_evt*)lua_topointer(ls, 1);