Avoid potential division by zero

tbeu · Jun 24, 2019 · fabac6c · fabac6c
1 parent 1907695
commit fabac6c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/mat5.c b/src/mat5.c
@@ -1322,7 +1322,7 @@ ReadNextStructField( mat_t *mat, matvar_t *matvar )
             (void)Mat_uint32Swap(buf);
             (void)Mat_uint32Swap(buf+1);
         }
-        if ( (buf[0] & 0x0000ffff) == MAT_T_INT32 ) {
+        if ( (buf[0] & 0x0000ffff) == MAT_T_INT32 && buf[1] > 0 ) {
             fieldname_size = buf[1];
         } else {
             Mat_Critical("Error getting fieldname size");