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Re: [PATCH 3/6] tools/virtiofsd: add G_GNUC_PRINTF for logging functions



* Daniel P. Berrangé (berrange@xxxxxxxxxx) wrote:
> Signed-off-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>

Yes, although I'm a little surprised this hasn't thrown up any warnings.


Reviewed-by: Dr. David Alan Gilbert <dgilbert@xxxxxxxxxx>

> ---
>  tools/virtiofsd/fuse_log.c       | 1 +
>  tools/virtiofsd/fuse_log.h       | 6 ++++--
>  tools/virtiofsd/passthrough_ll.c | 1 +
>  3 files changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/virtiofsd/fuse_log.c b/tools/virtiofsd/fuse_log.c
> index 745d88cd2a..2de3f48ee7 100644
> --- a/tools/virtiofsd/fuse_log.c
> +++ b/tools/virtiofsd/fuse_log.c
> @@ -12,6 +12,7 @@
>  #include "fuse_log.h"
>  
>  
> +G_GNUC_PRINTF(2, 0)
>  static void default_log_func(__attribute__((unused)) enum fuse_log_level 
> level,
>                               const char *fmt, va_list ap)
>  {
> diff --git a/tools/virtiofsd/fuse_log.h b/tools/virtiofsd/fuse_log.h
> index 8d7091bd4d..e5c2967ab9 100644
> --- a/tools/virtiofsd/fuse_log.h
> +++ b/tools/virtiofsd/fuse_log.h
> @@ -45,7 +45,8 @@ enum fuse_log_level {
>   * @param ap format string arguments
>   */
>  typedef void (*fuse_log_func_t)(enum fuse_log_level level, const char *fmt,
> -                                va_list ap);
> +                                va_list ap)
> +    G_GNUC_PRINTF(2, 0);
>  
>  /**
>   * Install a custom log handler function.
> @@ -68,6 +69,7 @@ void fuse_set_log_func(fuse_log_func_t func);
>   * @param level severity level (FUSE_LOG_ERR, FUSE_LOG_DEBUG, etc)
>   * @param fmt sprintf-style format string including newline
>   */
> -void fuse_log(enum fuse_log_level level, const char *fmt, ...);
> +void fuse_log(enum fuse_log_level level, const char *fmt, ...)
> +    G_GNUC_PRINTF(2, 3);
>  
>  #endif /* FUSE_LOG_H_ */
> diff --git a/tools/virtiofsd/passthrough_ll.c 
> b/tools/virtiofsd/passthrough_ll.c
> index 20f0f41f99..40ea2ed27f 100644
> --- a/tools/virtiofsd/passthrough_ll.c
> +++ b/tools/virtiofsd/passthrough_ll.c
> @@ -4182,6 +4182,7 @@ static void setup_nofile_rlimit(unsigned long 
> rlimit_nofile)
>      }
>  }
>  
> +G_GNUC_PRINTF(2, 0)
>  static void log_func(enum fuse_log_level level, const char *fmt, va_list ap)
>  {
>      g_autofree char *localfmt = NULL;
> -- 
> 2.38.1
> 
-- 
Dr. David Alan Gilbert / dgilbert@xxxxxxxxxx / Manchester, UK




 


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