File r1921-m_offsets-resize-can-throw-std-length_error-as-well-as-std-bad_alloc.patch of Package podofo.23799

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r1921 | domseichter | 2018-04-14 09:47:38 +0200 (sáb, 14 abr 2018) | 1 line

FIXED by Mark Rogers: m_offsets.resize() can throw std::length_error as well as std::bad_alloc. 

Index: src/base/PdfParser.cpp
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--- src/base/PdfParser.cpp	(revision 1920)
+++ src/base/PdfParser.cpp	(revision 1921)
@@ -805,7 +805,13 @@
                 m_nNumObjects = nFirstObject + nNumObjects;
                 m_offsets.resize(nFirstObject+nNumObjects);
 #endif // _WIN32
-            } catch (std::bad_alloc &) {
+            } catch (std::exception &) {
+                // If m_nNumObjects*sizeof(TXRefEntry) > std::numeric_limits<size_t>::max() then
+                // resize() throws std::length_error, for smaller allocations that fail it may throw
+                // std::bad_alloc (implementation-dependent). "20.5.5.12 Restrictions on exception 
+                // handling" in the C++ Standard says any function that throws an exception is allowed 
+                // to throw implementation-defined exceptions derived the base type (std::exception)
+                // so we need to catch all std::exceptions here
                 PODOFO_RAISE_ERROR( ePdfError_OutOfMemory );
             }
         }

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