[Spice-devel] [PATCH] Fix compile errors on Linux 32bit system

Uri Lublin uril at redhat.com
Mon Jun 10 08:27:07 UTC 2019


On 6/5/19 6:18 AM, Hongzhi.Song wrote:
> There are folowing compile errors on Linux 32bit system with -Werror
> for gcc.
> 
> red-channel.c:207:73: error: format '%x' expects argument of type
> 'unsigned int', but argument 7 has type 'long unsigned int' [-Werror=format=]
> |207| red_channel_debug(self, "thread_id 0x%" G_GSIZE_MODIFIER "x",
> 				~~~~~~~~~~~~~~~~~~~~~^
> 			self->priv->thread_id);
> 		~~~~~~~~~~~~~~~~~~~~~^
> 
> On 32bit system, #define G_GSIZE_MODIFIER "". But the type of
> 'self->priv->thread_id' is 'unsigned long int', which should match '%lx'
> not '%x'.
> 
> So we should recovery the <0x%" G_GSIZE_MODIFIER "x"> to <0x%lx">.
> And others files modification are similar to G_GSIZE_MODIFIER.

Indeed in pthreadtypes.h appears:
   typedef unsigned long int pthread_t;

And in zlib.h (as part of struct z_stream_s):
     uLong    total_out; /* total number of bytes output so far */

> 
> Signed-off-by: Hongzhi.Song <hongzhi.song at windriver.com>

Ack, with a minor change below


> ---
>   server/red-channel.c    | 6 +++---
>   server/red-client.c     | 8 ++++----
>   server/red-replay-qxl.c | 2 +-
>   3 files changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/server/red-channel.c b/server/red-channel.c
> index 82e5223..11644e4 100644
> --- a/server/red-channel.c
> +++ b/server/red-channel.c
> @@ -202,7 +202,7 @@ red_channel_constructed(GObject *object)
>   {
>       RedChannel *self = RED_CHANNEL(object);
>   
> -    red_channel_debug(self, "thread_id 0x%" G_GSIZE_MODIFIER "x", self->priv->thread_id);
> +    red_channel_debug(self, "thread_id 0x%lx", self->priv->thread_id);
>   
>       RedChannelClass *klass = RED_CHANNEL_GET_CLASS(self);
>   
> @@ -473,8 +473,8 @@ void red_channel_remove_client(RedChannel *channel, RedChannelClient *rcc)
>   
>       if (!pthread_equal(pthread_self(), channel->priv->thread_id)) {
>           red_channel_warning(channel,
> -                            "channel->thread_id (0x%" G_GSIZE_MODIFIER "x) != "
> -                            "pthread_self (0x%" G_GSIZE_MODIFIER "x)."
> +                            "channel->thread_id (0x%lx) != "
> +                            "pthread_self (0x%lx)."
>                               "If one of the threads is != io-thread && != vcpu-thread, "
>                               "this might be a BUG",
>                               channel->priv->thread_id, pthread_self());
> diff --git a/server/red-client.c b/server/red-client.c
> index 961b497..81258e1 100644
> --- a/server/red-client.c
> +++ b/server/red-client.c
> @@ -174,8 +174,8 @@ void red_client_migrate(RedClient *client)
>       RedChannel *channel;
>   
>       if (!pthread_equal(pthread_self(), client->thread_id)) {
> -        spice_warning("client->thread_id (0x%" G_GSIZE_MODIFIER "x) != "
> -                      "pthread_self (0x%" G_GSIZE_MODIFIER "x)."
> +        spice_warning("client->thread_id (0x%lx) != "
> +                      "pthread_self (0x%lx)."
>                         "If one of the threads is != io-thread && != vcpu-thread,"
>                         " this might be a BUG",
>                         client->thread_id, pthread_self());
> @@ -193,8 +193,8 @@ void red_client_destroy(RedClient *client)
>       RedChannelClient *rcc;
>   
>       if (!pthread_equal(pthread_self(), client->thread_id)) {
> -        spice_warning("client->thread_id (0x%" G_GSIZE_MODIFIER "x) != "
> -                      "pthread_self (0x%" G_GSIZE_MODIFIER "x)."
> +        spice_warning("client->thread_id (0x%lx) != "
> +                      "pthread_self (0x%lx)."
>                         "If one of the threads is != io-thread && != vcpu-thread,"
>                         " this might be a BUG",
>                         client->thread_id,
> diff --git a/server/red-replay-qxl.c b/server/red-replay-qxl.c
> index 6d34818..0deb406 100644
> --- a/server/red-replay-qxl.c
> +++ b/server/red-replay-qxl.c
> @@ -264,7 +264,7 @@ static replay_t read_binary(SpiceReplay *replay, const char *prefix, size_t *siz
>               exit(1);
>           }
>           if ((ret = inflate(&strm, Z_NO_FLUSH)) != Z_STREAM_END) {
> -            spice_error("inflate error %d (disc: %" G_GSSIZE_FORMAT ")",
> +            spice_error("inflate error %d (disc: %li)",

Everywhere in the project "%[l]d" is used and not "%[l]i".
For consistency, I'd like to change this line to "(disc %ld)".

Thanks,
     Uri.
>                           ret, *size - strm.total_out);
>               if (ret == Z_DATA_ERROR) {
>                   /* last operation may be wrong. since we do the recording
> 



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