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Diffstat (limited to 'src/network/res_querydomain.c')
-rw-r--r--src/network/res_querydomain.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/network/res_querydomain.c b/src/network/res_querydomain.c
index c746dbe6..8ba31f45 100644
--- a/src/network/res_querydomain.c
+++ b/src/network/res_querydomain.c
@@ -3,10 +3,10 @@
 
 int res_querydomain(const char *name, const char *domain, int class, int type, unsigned char *dest, int len)
 {
-	char tmp[256];
-	size_t nl = strnlen(name, 256);
-	size_t dl = strnlen(domain, 256);
-	if (nl+dl+1 > 255) return -1;
+	char tmp[254];
+	size_t nl = strnlen(name, 254);
+	size_t dl = strnlen(domain, 254);
+	if (nl+dl+1 > 253) return -1;
 	memcpy(tmp, name, nl);
 	tmp[nl] = '.';
 	memcpy(tmp+nl+1, domain, dl+1);