diff options
| author | brian <brian@FreeBSD.org> | 2001-08-20 12:50:21 +0000 |
|---|---|---|
| committer | brian <brian@FreeBSD.org> | 2001-08-20 12:50:21 +0000 |
| commit | 4e059b7f961ce0c37564d6417157fa695d541bf7 (patch) | |
| tree | c1fa3343ede9a1d367c7206b7d1a5e349de54cc1 /lib/libdevstat | |
| parent | 3812f018035d8cb50f88381ca3ad9da9a2142b67 (diff) | |
| download | FreeBSD-src-4e059b7f961ce0c37564d6417157fa695d541bf7.zip FreeBSD-src-4e059b7f961ce0c37564d6417157fa695d541bf7.tar.gz | |
Handle snprintf() returning -1.
MFC after: 2 weeks
Diffstat (limited to 'lib/libdevstat')
| -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'; |
