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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-08-03 14:17:21 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-08-03 14:17:21 +0000
commit46340e398e93898ce097b06f5e26c86e33fd651a (patch)
tree45a657af806c6cb6eed024a17dd4a5444c1c25ea /miscutils
parent0e2c9fb4e09fb0c5a47ddc74b0ba53238570599e (diff)
downloadbusybox-46340e398e93898ce097b06f5e26c86e33fd651a.tar.gz
busybox-46340e398e93898ce097b06f5e26c86e33fd651a.tar.bz2
less: add a bit more robustness in keyboard reading code
Diffstat (limited to 'miscutils')
-rw-r--r--miscutils/less.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/miscutils/less.c b/miscutils/less.c
index 9b2c43bd5..a6649c5ca 100644
--- a/miscutils/less.c
+++ b/miscutils/less.c
@@ -699,10 +699,11 @@ static int less_getch(void)
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 @@ static char* less_gets(int sz)
* 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;