diff options
Diffstat (limited to 'lib/libdevstat/devstat.c')
| -rw-r--r-- | lib/libdevstat/devstat.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/libdevstat/devstat.c b/lib/libdevstat/devstat.c index 7db6b99..86694ea 100644 --- a/lib/libdevstat/devstat.c +++ b/lib/libdevstat/devstat.c @@ -269,7 +269,8 @@ devstat_checkversion(kvm_t *kd) errlen = snprintf(tmpstr, sizeof(tmpstr), "\n"); strncat(devstat_errbuf, tmpstr, DEVSTAT_ERRBUF_SIZE - buflen - 1); - buflen += errlen; + if (errlen > 0) + buflen += errlen; } errlen = snprintf(tmpstr, sizeof(tmpstr), @@ -281,7 +282,8 @@ devstat_checkversion(kvm_t *kd) if (version == -1) { strncat(devstat_errbuf, tmpstr, DEVSTAT_ERRBUF_SIZE - buflen - 1); - buflen += errlen; + if (errlen > 0) + buflen += errlen; } else { strncpy(devstat_errbuf, tmpstr, DEVSTAT_ERRBUF_SIZE); devstat_errbuf[DEVSTAT_ERRBUF_SIZE - 1] = '\0'; |
