Patch applied, with the exception of the gcc-specific __attribute__ stuff.

Cheers,

Simon.

On 27/06/17 00:37, Rosen Penev wrote:
> ---
>  contrib/lease-tools/dhcp_lease_time.c | 8 ++++----
>  src/auth.c                            | 6 +++---
>  src/cache.c                           | 2 +-
>  src/dnsmasq.h                         | 3 +++
>  src/lease.c                           | 1 +
>  src/option.c                          | 2 +-
>  src/tftp.c                            | 2 +-
>  src/util.c                            | 8 ++++----
>  8 files changed, 18 insertions(+), 14 deletions(-)
> 
> diff --git a/contrib/lease-tools/dhcp_lease_time.c 
> b/contrib/lease-tools/dhcp_lease_time.c
> index fc00ff1..f9d7a85 100644
> --- a/contrib/lease-tools/dhcp_lease_time.c
> +++ b/contrib/lease-tools/dhcp_lease_time.c
> @@ -206,13 +206,13 @@ int main(int argc, char **argv)
>       {
>         unsigned int x;
>         if ((x = t/86400))
> -         printf("%dd", x);
> +         printf("%ud", x);
>         if ((x = (t/3600)%24))
> -         printf("%dh", x);
> +         printf("%uh", x);
>         if ((x = (t/60)%60))
> -         printf("%dm", x);
> +         printf("%um", x);
>         if ((x = t%60))
> -         printf("%ds", x);
> +         printf("%us", x);
>       }
>        return 0;
>      }
> diff --git a/src/auth.c b/src/auth.c
> index 4489eac..2c24e16 100644
> --- a/src/auth.c
> +++ b/src/auth.c
> @@ -597,12 +597,12 @@ size_t answer_auth(struct dns_header *header, char 
> *limit, size_t qlen, time_t n
>             char *p = name;
>             
>             if (subnet->prefixlen >= 24)
> -             p += sprintf(p, "%d.", a & 0xff);
> +             p += sprintf(p, "%u.", a & 0xff);
>             a = a >> 8;
>             if (subnet->prefixlen >= 16 )
> -             p += sprintf(p, "%d.", a & 0xff);
> +             p += sprintf(p, "%u.", a & 0xff);
>             a = a >> 8;
> -           p += sprintf(p, "%d.in-addr.arpa", a & 0xff);
> +           p += sprintf(p, "%u.in-addr.arpa", a & 0xff);
>             
>           }
>  #ifdef HAVE_IPV6
> diff --git a/src/cache.c b/src/cache.c
> index bf585fe..a719d95 100644
> --- a/src/cache.c
> +++ b/src/cache.c
> @@ -1511,7 +1511,7 @@ void dump_cache(time_t now)
>           /* ctime includes trailing \n - eat it */
>           *(p-1) = 0;
>  #endif
> -         my_syslog(LOG_INFO, daemon->namebuff);
> +         my_syslog(LOG_INFO, "%s", daemon->namebuff);
>         }
>      }
>  }
> diff --git a/src/dnsmasq.h b/src/dnsmasq.h
> index 84083cc..44e26c7 100644
> --- a/src/dnsmasq.h
> +++ b/src/dnsmasq.h
> @@ -1212,7 +1212,10 @@ int wildcard_matchn(const char* wildcard, const char* 
> match, int num);
>  void die(char *message, char *arg1, int exit_code);
>  int log_start(struct passwd *ent_pw, int errfd);
>  int log_reopen(char *log_file);
> +
> +__attribute__ ((format (printf, 2, 3)))
>  void my_syslog(int priority, const char *format, ...);
> +
>  void set_log_writer(void);
>  void check_log_writer(int force);
>  void flush_log(void);
> diff --git a/src/lease.c b/src/lease.c
> index 634372d..1970ba9 100644
> --- a/src/lease.c
> +++ b/src/lease.c
> @@ -230,6 +230,7 @@ void lease_update_from_configs(void)
>        lease_set_hostname(lease, name, 1, get_domain(lease->addr), NULL); /* 
> updates auth flag only */
>  }
>  
> +__attribute__ ((format (printf, 2, 3)))
>  static void ourprintf(int *errp, char *format, ...)
>  {
>    va_list ap;
> diff --git a/src/option.c b/src/option.c
> index 78ad81e..6a14c4d 100644
> --- a/src/option.c
> +++ b/src/option.c
> @@ -882,7 +882,7 @@ static struct server *add_rev4(struct in_addr addr, int 
> msize)
>    switch (msize)
>      {
>      case 32:
> -      p += sprintf(p, "%d.", a & 0xff);
> +      p += sprintf(p, "%u.", a & 0xff);
>        /* fall through */
>      case 24:
>        p += sprintf(p, "%d.", (a >> 8) & 0xff);
> diff --git a/src/tftp.c b/src/tftp.c
> index 8b27c7b..131e6de 100644
> --- a/src/tftp.c
> +++ b/src/tftp.c
> @@ -734,7 +734,7 @@ static ssize_t get_block(char *packet, struct 
> tftp_transfer *transfer)
>        if (transfer->opt_blocksize)
>       {
>         p += (sprintf(p, "blksize") + 1);
> -       p += (sprintf(p, "%d", transfer->blocksize) + 1);
> +       p += (sprintf(p, "%u", transfer->blocksize) + 1);
>       }
>        if (transfer->opt_transize)
>       {
> diff --git a/src/util.c b/src/util.c
> index 66128a9..bb6dba3 100644
> --- a/src/util.c
> +++ b/src/util.c
> @@ -448,13 +448,13 @@ void prettyprint_time(char *buf, unsigned int t)
>      {
>        unsigned int x, p = 0;
>         if ((x = t/86400))
> -     p += sprintf(&buf[p], "%dd", x);
> +     p += sprintf(&buf[p], "%ud", x);
>         if ((x = (t/3600)%24))
> -     p += sprintf(&buf[p], "%dh", x);
> +     p += sprintf(&buf[p], "%uh", x);
>        if ((x = (t/60)%60))
> -     p += sprintf(&buf[p], "%dm", x);
> +     p += sprintf(&buf[p], "%um", x);
>        if ((x = t%60))
> -     p += sprintf(&buf[p], "%ds", x);
> +     p += sprintf(&buf[p], "%us", x);
>      }
>  }
>  
> 


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