diff options
Diffstat (limited to 'sbin/dmesg')
-rw-r--r-- | sbin/dmesg/dmesg.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sbin/dmesg/dmesg.c b/sbin/dmesg/dmesg.c index 9fee416..827ed8e 100644 --- a/sbin/dmesg/dmesg.c +++ b/sbin/dmesg/dmesg.c @@ -118,6 +118,9 @@ main(int argc, char *argv[]) */ if (sysctlbyname("kern.msgbuf", NULL, &buflen, NULL, 0) == -1) err(1, "sysctl kern.msgbuf"); + /* Allocate extra room for growth between the sysctl calls. */ + buflen += buflen/8; + /* Allocate more than sysctl sees, for room to append \n\0. */ if ((bp = malloc(buflen + 2)) == NULL) errx(1, "malloc failed"); if (sysctlbyname("kern.msgbuf", bp, &buflen, NULL, 0) == -1) |