From 4017fc9b93c27829d5272ddea328f2dfeab77776 Mon Sep 17 00:00:00 2001
From: Sam Hocevar <sam@hocevar.net>
Date: Tue, 9 Jan 2007 16:14:31 +0000
Subject: [PATCH]   * Change debug's %c so that it automatically escapes binary
 characters.

---
 src/debug.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/debug.c b/src/debug.c
index f46d729..d54af46 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -81,7 +81,14 @@ void _zz_debug(char const *format, ...)
         if(*f == 'c')
         {
             char i = (char)(unsigned char)va_arg(args, int);
-            write(fd, &i, 1);
+            if(i >= 0x20 && i < 0x7f)
+                write(fd, &i, 1);
+            else
+            {
+                write(fd, "\\x", 2);
+                write(fd, hex2char + ((i & 0xf0) >> 4), 1);
+                write(fd, hex2char + (i & 0x0f), 1);
+            }
         }
         else if(*f == 'i')
         {