From: Pasukhin Dmitry <dpasukhi@opencascade.com>
Date: Sun, 23 Mar 2025 20:26:14 +0000 (+0000)
Subject: Foundation Classes - Checking for MallInfo version #459
X-Git-Tag: V7_9_1~11
X-Git-Url: http://git.dev.opencascade.org/gitweb/?a=commitdiff_plain;h=8bbfddfacf659376456ca79f7c170e47c3391a95;p=occt.git

Foundation Classes - Checking for MallInfo version #459

Fix memory usage reporting for GLIBC compatibility in OSD_MemInfo
---

diff --git a/src/OSD/OSD_MemInfo.cxx b/src/OSD/OSD_MemInfo.cxx
index 90709397e5..079b7b7a8f 100644
--- a/src/OSD/OSD_MemInfo.cxx
+++ b/src/OSD/OSD_MemInfo.cxx
@@ -165,18 +165,23 @@ void OSD_MemInfo::Update()
   #elif (defined(__linux__) || defined(__linux))
   if (IsActive(MemHeapUsage))
   {
-    #if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
-      #if __GLIBC_PREREQ(2, 33)
+    #if defined(__GLIBC__)
+      #define HAS_MALLINFO
+      #if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 33)
         #define HAS_MALLINFO2
       #endif
     #endif
 
-    #ifdef HAS_MALLINFO2
+    #ifdef HAS_MALLINFO
+      #ifdef HAS_MALLINFO2
     const struct mallinfo2 aMI = mallinfo2();
-    #else
+      #else
     const struct mallinfo aMI = mallinfo();
-    #endif
+      #endif
     myCounters[MemHeapUsage] = aMI.uordblks;
+    #else
+    myCounters[MemHeapUsage] = 0;
+    #endif
   }
 
   if (!IsActive(MemVirtual) && !IsActive(MemWorkingSet) && !IsActive(MemWorkingSetPeak)