journalctl: fix assertion failure in ellipsize_mem()

When showing the journal through "journalctl --no-pager", if the
prefix of the log message (i.e. the date and syslog identifier) is
less than 3 characters shorter than the width of the terminal, you
get:

Assertion 'new_length >= 3' failed at src/shared/util.c:3859, function ellipsize_mem(). Aborting.

because there is not enough space for the "...".  This patch add the
necessary check.
This commit is contained in:
Eelco Dolstra 2012-07-19 21:12:16 +00:00 committed by Lennart Poettering
parent cba6e0627d
commit b61a4660fc

View file

@ -228,7 +228,7 @@ static int output_short(sd_journal *j, unsigned line, unsigned n_columns,
} else if ((flags & OUTPUT_FULL_WIDTH) ||
(message_len + n < n_columns))
printf(": %.*s\n", (int) message_len, message);
else if (n < n_columns) {
else if (n < n_columns && n_columns - n - 2 >= 3) {
char *e;
e = ellipsize_mem(message, message_len, n_columns - n - 2, 90);