[4.0] SVACE Error fix TextureManager Thread bounds

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / visuals / texture-manager-impl.cpp

diff --git a/dali-toolkit/internal/visuals/texture-manager-impl.cpp b/dali-toolkit/internal/visuals/texture-manager-impl.cpp
index b2e0d03..11d3b0f 100644 (file)
--- a/dali-toolkit/internal/visuals/texture-manager-impl.cpp
+++ b/dali-toolkit/internal/visuals/texture-manager-impl.cpp
@@ -47,8 +47,10 @@ size_t GetNumberOfThreads(const char* environmentVariable, size_t defaultValue)
 {
   using Dali::EnvironmentVariable::GetEnvironmentVariable;
   auto numberString = GetEnvironmentVariable(environmentVariable);
-  auto numberOfThreads = numberString ? std::strtol(numberString, nullptr, 10) : 0;
-  return (numberOfThreads > 0) ? numberOfThreads : defaultValue;
+  auto numberOfThreads = numberString ? std::strtoul(numberString, nullptr, 10) : 0;
+  constexpr auto MAX_NUMBER_OF_THREADS = 100u;
+  DALI_ASSERT_DEBUG( numberOfThreads < MAX_NUMBER_OF_THREADS );
+  return ( numberOfThreads > 0 && numberOfThreads < MAX_NUMBER_OF_THREADS ) ? numberOfThreads : defaultValue;
 }
 
 size_t GetNumberOfLocalLoaderThreads()