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src/function.cpp: Fix possible NULL-dereference

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UBSan complained, so let's check.
This commit is contained in:
Fabian Homborg 2019-01-31 16:01:12 +01:00
parent c7635ed2c0
commit 0770fd1f89
1 changed files with 4 additions and 1 deletions
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5
src/function.cpp
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@ -251,7 +251,10 @@ bool function_get_definition(const wcstring &name, wcstring &out_definition) {
scoped_rlock locker(functions_lock);
const function_info_t *func = function_get(name);
if (func) {
out_definition = func->props->body_node.get_source(func->props->parsed_source->src);
auto props = func->props;
if (props && props->parsed_source) {
out_definition = props->body_node.get_source(props->parsed_source->src);
}
}
return func != NULL;
}