From: Thomas Weißschuh Date: Thu, 23 Nov 2023 21:53:13 +0000 (+0100) Subject: tools/nolibc: annotate va_list printf formats X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=dece8476d6dda087cacb8e105bb70e02a9ef9387;p=linux.git tools/nolibc: annotate va_list printf formats __attribute__(format(printf)) can also be used for functions that take a va_list argument. As per the GCC docs: For functions where the arguments are not available to be checked (such as vprintf), specify the third parameter as zero. Link: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html Signed-off-by: Thomas Weißschuh --- diff --git a/tools/include/nolibc/stdio.h b/tools/include/nolibc/stdio.h index d7ef43973916c..16cd4d8072518 100644 --- a/tools/include/nolibc/stdio.h +++ b/tools/include/nolibc/stdio.h @@ -212,7 +212,7 @@ char *fgets(char *s, int size, FILE *stream) * - %s * - unknown modifiers are ignored. */ -static __attribute__((unused)) +static __attribute__((unused, format(printf, 2, 0))) int vfprintf(FILE *stream, const char *fmt, va_list args) { char escape, lpref, c; @@ -318,7 +318,7 @@ int vfprintf(FILE *stream, const char *fmt, va_list args) return written; } -static __attribute__((unused)) +static __attribute__((unused, format(printf, 1, 0))) int vprintf(const char *fmt, va_list args) { return vfprintf(stdout, fmt, args);