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-rw-r--r--lib/util/mallocvar.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/lib/util/mallocvar.h b/lib/util/mallocvar.h
index a26d007b..e5b7b1ea 100644
--- a/lib/util/mallocvar.h
+++ b/lib/util/mallocvar.h
@@ -57,11 +57,22 @@ static __inline__ void
 reallocProduct(void **      const blockP,
                unsigned int const factor1,
                unsigned int const factor2) {
+
+    void * const oldBlockP = *blockP;
+
+    void * newBlockP;
     
     if (UINT_MAX / factor2 < factor1) 
-        *blockP = NULL;
+        newBlockP = NULL;
     else 
-        *blockP = realloc(*blockP, factor1 * factor2); 
+        newBlockP = realloc(oldBlockP, factor1 * factor2); 
+
+    if (newBlockP)
+        *blockP = newBlockP;
+    else {
+        free(oldBlockP);
+        *blockP = NULL;
+    }
 }