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avisynth: Decrease refcount again when constructor fails 

Proper fix to the issue that f5a730fa45
was trying to fix.

Fixes arch1t3cht/Aegisub#61 .
This commit is contained in:
arch1t3cht 2023-10-15 23:08:39 +02:00
parent a9eed184c2
commit 858f4acf35
1 changed files with 5 additions and 1 deletions
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6
src/avisynth_wrap.cpp
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@ -53,6 +53,7 @@
// Allocate storage for and initialise static members
namespace {
int avs_refcount = 0;
bool failed = false;
#ifdef _WIN32
HINSTANCE hLib = nullptr;
#else
@ -66,7 +67,7 @@ const AVS_Linkage *AVS_linkage = nullptr;
typedef IScriptEnvironment* __stdcall FUNC(int);
AviSynthWrapper::AviSynthWrapper() {
AviSynthWrapper::AviSynthWrapper() try {
if (!avs_refcount++) {
#ifdef _WIN32
#define CONCATENATE(x, y) x ## y
@ -101,6 +102,9 @@ AviSynthWrapper::AviSynthWrapper() {
if (memoryMax)
env->SetMemoryMax(memoryMax);
}
} catch (AvisynthError const&) {
avs_refcount--;
throw;
}
AviSynthWrapper::~AviSynthWrapper() {