all: fix or silence various gcc warnings

As usual, gcc finds some real problems but also reports a ton
of noise. Fix the problems and quiet the noise.

1 files changed, 4 insertions, 0 deletions

diff --git a/bin/9c b/bin/9c
index f21ea754..20919e9a 100755
--- a/bin/9c
+++ b/bin/9c
@@ -14,6 +14,10 @@ usegcc()
 		-Wno-comment \
 		-Wno-sign-compare \
 		-Wno-unknown-pragmas \
+		-Wno-misleading-indentation \
+		-Wno-stringop-truncation \
+		-Wno-stringop-overflow \
+		-Wno-format-truncation \
 		-fno-omit-frame-pointer \
 		-fsigned-char \
 	"