driver: -w, update help

1 files changed, 1 insertions, 0 deletions

diff --git a/io.c b/io.c
index 59481bd..cbb8568 100644
--- a/io.c
+++ b/io.c
@@ -1116,6 +1116,7 @@ warn(const struct span *span, const char *fmt, ...)
 {
    va_list ap;
 
+   if (ccopt.wnone) return;
    if (ccopt.werror) ++nerror;
    va_start(ap, fmt);
    vdiag(span, ccopt.werror ? DGERROR : DGWARN, fmt, ap);