diff options
Diffstat (limited to 'src/network/res_mkquery.c')
| -rw-r--r-- | src/network/res_mkquery.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/network/res_mkquery.c b/src/network/res_mkquery.c index f7e4e9c6..7c49709e 100644 --- a/src/network/res_mkquery.c +++ b/src/network/res_mkquery.c @@ -10,9 +10,9 @@ int __res_mkquery(int op, const char *dname, int class, int type, int id, i, j; unsigned char q[280]; struct timespec ts; - size_t l = strnlen(dname, 256); + size_t l = strnlen(dname, 254); - if (l-1>=254 || buflen<18+l || op>15u || class>255u || type>255u) + if (l-1>=253 || buflen<18+l || op>15u || class>255u || type>255u) return -1; /* Construct query template - ID will be filled later */ |