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module: fix pointer reference to out-of-scope variable

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Reported by Tom Hughes.
This commit is contained in:
Ben Noordhuis 2011-08-14 01:25:39 +02:00
parent 59b815b097
commit eaac88163a
1 changed files with 5 additions and 1 deletions
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6
src/node.cc
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@ -1690,6 +1690,7 @@ typedef void (*extInit)(Handle<Object> exports);
// DLOpen is node.dlopen(). Used to load 'module.node' dynamically shared
// objects.
Handle<Value> DLOpen(const v8::Arguments& args) {
node_module_struct compat_mod;
HandleScope scope;
if (args.Length() < 2) return Undefined();
@ -1732,10 +1733,13 @@ Handle<Value> DLOpen(const v8::Arguments& args) {
// Get the init() function from the dynamically shared object.
node_module_struct *mod = static_cast<node_module_struct *>(dlsym(handle, symstr));
free(symstr);
symstr = NULL;
// Error out if not found.
if (mod == NULL) {
/* Start Compatibility hack: Remove once everyone is using NODE_MODULE macro */
node_module_struct compat_mod;
memset(&compat_mod, 0, sizeof compat_mod);
mod = &compat_mod;
mod->version = NODE_MODULE_VERSION;