# HG changeset patch
# User Alain Mazy <am@orthanc.team>
# Date 1775229042 -7200
# Node ID 35a5e25034f447de281aa257a7a635b3f0958933
# Parent  96fb0e7d75ba84341801c4f738f2ed1892cbea0e
fix and reduce max sizes on 32 bits system

diff -r 96fb0e7d75ba -r 35a5e25034f4 OrthancFramework/Sources/DicomFormat/DicomImageInformation.cpp
--- a/OrthancFramework/Sources/DicomFormat/DicomImageInformation.cpp	Fri Apr 03 15:59:27 2026 +0200
+++ b/OrthancFramework/Sources/DicomFormat/DicomImageInformation.cpp	Fri Apr 03 17:10:42 2026 +0200
@@ -42,7 +42,10 @@
 #include <stdio.h>
 #include <memory>
 
-static const uint64_t MAX_FRAME_SIZE = 4ul * 1024ul * 1024ul * 1024ul;  // defensive approach: set a reasonable max size for a frame
+static const uint64_t MAX_FRAME_SIZE = (static_cast<uint64_t>(std::numeric_limits<size_t>::max()) == 0xFFFFFFFFu 
+                                        ? static_cast<uint64_t>(1) * 1024 * 1024 * 1024   // 1 GB on 32 bits system
+                                        : static_cast<uint64_t>(4) * 1024 * 1024 * 1024); // 4 GiB on 64 bits system
+
 
 namespace Orthanc
 {
diff -r 96fb0e7d75ba -r 35a5e25034f4 OrthancFramework/Sources/Images/PamReader.cpp
--- a/OrthancFramework/Sources/Images/PamReader.cpp	Fri Apr 03 15:59:27 2026 +0200
+++ b/OrthancFramework/Sources/Images/PamReader.cpp	Fri Apr 03 17:10:42 2026 +0200
@@ -37,8 +37,13 @@
 #include <stdlib.h>  // For malloc/free
 #include <boost/algorithm/string/find.hpp>
 #include <boost/lexical_cast.hpp>
+#include <limits>
 
-static const uint64_t MAX_PAM_IMAGE_BUFFER_SIZE = 4ul * 1024ul * 1024ul * 1024ul;  // defensive approach: set a reasonable max size for a PAM image
+static const uint64_t MAX_PAM_IMAGE_BUFFER_SIZE = (static_cast<uint64_t>(std::numeric_limits<size_t>::max()) == 0xFFFFFFFFu 
+                                                   ? static_cast<uint64_t>(1) * 1024 * 1024 * 1024   // 1 GB on 32 bits system
+                                                   : static_cast<uint64_t>(4) * 1024 * 1024 * 1024); // 4 GiB on 64 bits system
+
+
 
 namespace Orthanc
 {