Re: [Libguestfs] [PATCH] daemon: Add sentinel attribute to commandf and commandrf

Causes a compiler warning to be emitted if you omit the trailing NULL argument. --- daemon/daemon.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/daemon/daemon.h b/daemon/daemon.h index 8f932d2..df1ba3a 100644 --- a/daemon/daemon.h +++ b/daemon/daemon.h @@ -100,9 +100,9 @@ extern char **split_lines (char *str); #define COMMAND_FLAG_CHROOT_COPY_FILE_TO_STDIN 2048 extern int commandf (char **stdoutput, char **stderror, int flags, - const char *name, ...); + const char *name, ...) __attribute__((sentinel)); extern int commandrf (char **stdoutput, char **stderror, int flags, - const char *name, ...); + const char *name, ...) __attribute__((sentinel)); extern int commandvf (char **stdoutput, char **stderror, int flags, char const *const *argv); extern int commandrvf (char **stdoutput, char **stderror, int flags, --