We already have these checks in many printf-type functions that have prototypes which are in header files. Add these same checks to static functions in http-backend.c Signed-off-by: Tarmigan Casebolt <tarmigan+git@xxxxxxxxx> --- Shawn, please consider this patch in addition to the one that you posted that actually fixes the bug. With this patch, gcc will warn about that bug. http-backend.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/http-backend.c b/http-backend.c index ab9433d..110b166 100644 --- a/http-backend.c +++ b/http-backend.c @@ -108,6 +108,7 @@ static const char *get_parameter(const char *name) return i ? i->util : NULL; } +__attribute__((format (printf, 2, 3))) static void format_write(int fd, const char *fmt, ...) { static char buffer[1024]; @@ -165,6 +166,7 @@ static void end_headers(void) safe_write(1, "\r\n", 2); } +__attribute__((format (printf, 1, 2))) static NORETURN void not_found(const char *err, ...) { va_list params; @@ -180,6 +182,7 @@ static NORETURN void not_found(const char *err, ...) exit(0); } +__attribute__((format (printf, 1, 2))) static NORETURN void forbidden(const char *err, ...) { va_list params; -- 1.6.5.51.g191f5 -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html