diff options
| -rw-r--r-- | usr.sbin/pppctl/pppctl.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/usr.sbin/pppctl/pppctl.c b/usr.sbin/pppctl/pppctl.c index 4ec2d94..be9b73c 100644 --- a/usr.sbin/pppctl/pppctl.c +++ b/usr.sbin/pppctl/pppctl.c @@ -345,7 +345,7 @@ main(int argc, char **argv) struct sockaddr *sock; struct sockaddr_in ifsin; struct sockaddr_un ifsun; - int socksz, arg, fd, len, verbose, save_errno, hide1, hide1off, hide2; + int n, socksz, arg, fd, len, verbose, save_errno, hide1, hide1off, hide2; unsigned TimeoutVal; char *DoneWord = "x", *next, *start; struct sigaction act, oact; @@ -404,11 +404,16 @@ main(int argc, char **argv) for (harg = pos = 0; harg < argc; harg++) if (harg == 0 || harg != hide2) { if (harg == 0 || harg != hide1) - pos += snprintf(title + pos, sizeof title - pos, "%s%s", + n = snprintf(title + pos, sizeof title - pos, "%s%s", harg ? " " : "", argv[harg]); else if (hide1off > 1) - pos += snprintf(title + pos, sizeof title - pos, " %.*s", + n = snprintf(title + pos, sizeof title - pos, " %.*s", hide1off, argv[harg]); + else + n = 0; + if (n < 0 || n >= sizeof title - pos) + break; + pos += n; } #ifdef __FreeBSD__ setproctitle("-%s", title); |
