Write NULL Date independently of width

OSGeo · Jul 15, 2024 · 3b6b0c9 · 3b6b0c9
1 parent fb50db8
commit 3b6b0c9
Showing 1 changed file with 12 additions and 3 deletions.
diff --git a/dbfopen.c b/dbfopen.c
@@ -1311,9 +1311,18 @@ static bool DBFWriteAttribute(DBFHandle psDBF, int hEntity, int iField,
     /* -------------------------------------------------------------------- */
     if (pValue == SHPLIB_NULLPTR)
     {
-        memset(pabyRec + psDBF->panFieldOffset[iField],
-               DBFGetNullCharacter(psDBF->pachFieldType[iField]),
-               psDBF->panFieldSize[iField]);
+        if (psDBF->pachFieldType[iField] == 'D')
+        {
+            // NULL Date is independent of panFieldSize
+            pabyRec += psDBF->panFieldOffset[iField];
+            pabyRec = SHPLIB_NULLPTR;
+        }
+        else
+        {
+            memset(pabyRec + psDBF->panFieldOffset[iField],
+                   DBFGetNullCharacter(psDBF->pachFieldType[iField]),
+                   psDBF->panFieldSize[iField]);
+        }
         return true;
     }