save cgats to memory was wrong for one byte

The ending zero was not properly counted. Fixed.
mm2 · Jan 10, 2023 · e71aeb6 · e71aeb6
1 parent 3939d5c
commit e71aeb6
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/src/cmscgats.c b/src/cmscgats.c
@@ -1939,13 +1939,15 @@ cmsBool CMSEXPORT cmsIT8SaveToMem(cmsHANDLE hIT8, void *MemPtr, cmsUInt32Number*
     memset(&sd, 0, sizeof(sd));
 
     sd.stream = NULL;
-    sd.Base   = (cmsUInt8Number*)  MemPtr;
+    sd.Base   = (cmsUInt8Number*) MemPtr;
     sd.Ptr    = sd.Base;
 
     sd.Used = 0;
 
-    if (sd.Base)
-        sd.Max  = *BytesNeeded;     // Write to memory?
+    if (sd.Base && (*BytesNeeded > 0)) {
+
+        sd.Max = (*BytesNeeded) - 1;     // Write to memory?
+    }
     else
         sd.Max  = 0;                // Just counting the needed bytes