diff options
author | John Schmoller <jschmoller@xes-inc.com> | 2010-03-12 09:49:23 -0600 |
---|---|---|
committer | Michael BRANDT <michael.brandt@stericsson.com> | 2010-10-21 14:25:01 +0200 |
commit | e84ef91c54b862169601a7b4a2d02be78d0ad002 (patch) | |
tree | 88d43c93539ef2eabb1a0d5211dfd71d56c1dd08 /common | |
parent | 3fe00dfb8dd6f6b69302a5b91303691ace0d3c08 (diff) |
console: Fix console buffer overrun
When CONFIG_SYS_CBSIZE equals MAX_CMDBUF_SIZE, a command string of
maximum length will overwrite part of the history buffer, causing the
board to die. Expand the console_buffer and hist_lines buffer by one
character each to hold the missing NULL char.
Signed-off-by: John Schmoller <jschmoller@xes-inc.com>
Change-Id: I6ec005d373e81353aa09d3cd3962f279629e7681
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/6815
Reviewed-by: Michael BRANDT <michael.brandt@stericsson.com>
Tested-by: Michael BRANDT <michael.brandt@stericsson.com>
Diffstat (limited to 'common')
-rw-r--r-- | common/main.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/common/main.c b/common/main.c index 6eeaa792d..fd0ab007a 100644 --- a/common/main.c +++ b/common/main.c @@ -69,7 +69,7 @@ static int abortboot(int); #undef DEBUG_PARSER -char console_buffer[CONFIG_SYS_CBSIZE]; /* console I/O buffer */ +char console_buffer[CONFIG_SYS_CBSIZE + 1]; /* console I/O buffer */ static char * delete_char (char *buffer, char *p, int *colp, int *np, int plen); static char erase_seq[] = "\b \b"; /* erase sequence */ @@ -549,7 +549,7 @@ static int hist_cur = -1; unsigned hist_num = 0; char* hist_list[HIST_MAX]; -char hist_lines[HIST_MAX][HIST_SIZE]; +char hist_lines[HIST_MAX][HIST_SIZE + 1]; /* Save room for NULL */ #define add_idx_minus_one() ((hist_add_idx == 0) ? hist_max : hist_add_idx-1) |