tytest: fix runtime error: null pointer passed as argument 2, which is declared to never be null

4 years ago · fa07767115
parent 58df5715d1
commit fa07767115
1 changed files with 5 additions and 2 deletions
--- a/src/bin/tytest.c
+++ b/src/bin/tytest.c
@ -139,8 +139,11 @@ _tytest_checksum(Termpty *ty)
   MD5Update(&ctx, (unsigned char const*)_cursor_shape,
             strlen(_cursor_shape));
   /* Write buffer */
-   MD5Update(&ctx, (unsigned char const*)ty->write_buffer.buf,
-             ty->write_buffer.len);
+   if (ty->write_buffer.buf)
+     {
+        MD5Update(&ctx, (unsigned char const*)ty->write_buffer.buf,
+                  ty->write_buffer.len);
+     }

   MD5Final(hash, &ctx);