[Qemu-devel] [PATCH 2/4] Fix an overflow in term_puts

[Anthony Liguori]

Regards,

Anthony Liguori

# HG changeset patch
# User address@hidden
# Node ID 1cc1aeb53497fcc70843d8fb102da18f1af7e40e
# Parent  0b4c6f94ee520884063f11f4631185368998cf9c
Fix potential overflow in term_puts()

diff -r 0b4c6f94ee52 -r 1cc1aeb53497 monitor.c
--- a/monitor.c Sun Jul 16 16:25:28 2006
+++ b/monitor.c Sun Jul 16 16:26:39 2006
@@ -82,8 +82,11 @@
         c = *str++;
         if (c == '\0')
             break;
-        if (c == '\n')
+        if (c == '\n') {
             term_outbuf[term_outbuf_index++] = '\r';
+           if (term_outbuf_index >= sizeof(term_outbuf) - 1)
+               term_flush();
+       }
         term_outbuf[term_outbuf_index++] = c;
         if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
             c == '\n')