From 81654429d7e5549973641566debb9ca926a5e399 Mon Sep 17 00:00:00 2001
From: Bart Oldeman <bart@dosemu.org>
Date: Mon, 15 Sep 2003 10:55:58 +0000
Subject: [PATCH] Small optimizations

git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@692 6ac86273-5f31-0410-b378-82cca8765d1b
---
 kernel/chario.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/chario.c b/kernel/chario.c
index 3263e4a..12b2e19 100644
--- a/kernel/chario.c
+++ b/kernel/chario.c
@@ -241,7 +241,7 @@ STATIC int cooked_write_char(struct dhdr FAR **pdev,
       if (err < 0)
         return err;
     }
-  } while (--count > 0);
+  } while (--count != 0);
   return SUCCESS;
 }
 
@@ -333,7 +333,7 @@ long cooked_read(struct dhdr FAR **pdev, size_t n, char FAR *bp)
       break;
     *bp++ = c;
     xfer++;
-    if (bp[-1] == CTL_Z)
+    if ((unsigned char)c == CTL_Z)
       break;
   }
   return xfer;