svn commit: trunk/busybox/miscutils

[vda at busybox.net]

Author: vda
Date: 2007-08-03 07:17:21 -0700 (Fri, 03 Aug 2007)
New Revision: 19403

Log:
less: add a bit more robustness in keyboard reading code



Modified:
   trunk/busybox/miscutils/less.c


Changeset:
Modified: trunk/busybox/miscutils/less.c
===================================================================
--- trunk/busybox/miscutils/less.c	2007-08-03 14:16:24 UTC (rev 19402)
+++ trunk/busybox/miscutils/less.c	2007-08-03 14:17:21 UTC (rev 19403)
@@ -699,10 +699,11 @@
 	char input[16];
 	unsigned i;
  again:
+	memset(input, 0, sizeof(input));
 	getch_nowait(input, sizeof(input));
+
 	/* Detect escape sequences (i.e. arrow keys) and handle
 	 * them accordingly */
-
 	if (input[0] == '\033' && input[1] == '[') {
 		set_tty_cooked();
 		i = input[2] - REAL_KEY_UP;
@@ -740,6 +741,7 @@
 		 * but it is needed. Is it because of stdio? */
 		tcsetattr(kbd_fd, TCSANOW, &term_less);
 
+		c = '\0';
 		read(kbd_fd, &c, 1);
 		if (c == 0x0d)
 			return result;