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-rw-r--r--core/src/fxcodec/jbig2/JBig2_Context.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/core/src/fxcodec/jbig2/JBig2_Context.cpp b/core/src/fxcodec/jbig2/JBig2_Context.cpp
index 958c4a63e2..399ff68657 100644
--- a/core/src/fxcodec/jbig2/JBig2_Context.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_Context.cpp
@@ -20,6 +20,7 @@
#include "core/src/fxcodec/jbig2/JBig2_PddProc.h"
#include "core/src/fxcodec/jbig2/JBig2_SddProc.h"
#include "core/src/fxcodec/jbig2/JBig2_TrdProc.h"
+#include "third_party/base/stl_util.h"
namespace {
@@ -637,9 +638,11 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment,
if (m_bIsGlobal && kSymbolDictCacheMaxSize > 0) {
std::unique_ptr<CJBig2_SymbolDict> value =
pSegment->m_Result.sd->DeepCopy();
- while (m_pSymbolDictCache->size() >= kSymbolDictCacheMaxSize) {
+ int size = pdfium::CollectionSize<int>(*m_pSymbolDictCache);
+ while (size >= kSymbolDictCacheMaxSize) {
delete m_pSymbolDictCache->back().second;
m_pSymbolDictCache->pop_back();
+ --size;
}
m_pSymbolDictCache->push_front(CJBig2_CachePair(key, value.release()));
}