[Spice-devel] [PATCH v2] Use #ifdef {HAVE, USE}_FOO instead of #if {HAVE, USE}_FOO

Fabiano FidĂȘncio fabiano at fidencio.org
Thu Feb 11 09:51:38 UTC 2016


On Thu, Feb 11, 2016 at 9:52 AM, Fabiano FidĂȘncio <fidencio at redhat.com> wrote:
> While "#if USE_FOO" checks for the value of the variable USE_FOO,
> "#ifdef" checks whether USE_FOO is defined or not.
>
> It means, if we had something like: #define USE_FOO 0, we would have:
>  #if USE_FOO
>  /* Any code in here would NOT be compiled */
>  #endif
>
>  #ifdef USE_FOO
>  /* Any code in here would be compiled */
>  #endif
>
> No problem was faced on spice-gtk till now because either USE_FOO is not
> defined or defined as 1, but let's try to have it standardized.


I won't send a v3 for now, but this patch must be squashed to this
commit before pushing:

diff --git a/src/channel-usbredir.c b/src/channel-usbredir.c
index 7948e59..11abeb0 100644
--- a/src/channel-usbredir.c
+++ b/src/channel-usbredir.c
@@ -327,7 +327,7 @@ void spice_usbredir_channel_connect_device_async(
 {
     SpiceUsbredirChannelPrivate *priv = channel->priv;
     GTask *task;
-#if ! USE_POLKIT
+#ifndef USE_POLKIT
     GError *err = NULL;
 #endif


> ---
>  src/channel-smartcard.c  |  2 +-
>  src/channel-usbredir.c   | 14 +++++++-------
>  src/spice-channel.c      | 20 ++++++++++----------
>  src/spice-gtk-session.c  |  4 ++--
>  src/spice-widget.c       |  2 +-
>  src/usb-device-manager.c |  2 +-
>  6 files changed, 22 insertions(+), 22 deletions(-)
>
> diff --git a/src/channel-smartcard.c b/src/channel-smartcard.c
> index e2e1aad..7f3306e 100644
> --- a/src/channel-smartcard.c
> +++ b/src/channel-smartcard.c
> @@ -244,7 +244,7 @@ smartcard_message_free(SpiceSmartcardChannelMessage *message)
>      g_free(message);
>  }
>
> -#if USE_SMARTCARD
> +#ifdef USE_SMARTCARD
>  static gboolean is_attached_to_server(VReader *reader)
>  {
>      return (vreader_get_id(reader) != (vreader_id_t)-1);
> diff --git a/src/channel-usbredir.c b/src/channel-usbredir.c
> index 0be72ba..2206efc 100644
> --- a/src/channel-usbredir.c
> +++ b/src/channel-usbredir.c
> @@ -24,7 +24,7 @@
>  #ifdef USE_USBREDIR
>  #include <glib/gi18n.h>
>  #include <usbredirhost.h>
> -#if USE_POLKIT
> +#ifdef USE_POLKIT
>  #include "usb-acl-helper.h"
>  #endif
>  #include "channel-usbredir-priv.h"
> @@ -57,7 +57,7 @@
>
>  enum SpiceUsbredirChannelState {
>      STATE_DISCONNECTED,
> -#if USE_POLKIT
> +#ifdef USE_POLKIT
>      STATE_WAITING_FOR_ACL_HELPER,
>  #endif
>      STATE_CONNECTED,
> @@ -75,7 +75,7 @@ struct _SpiceUsbredirChannelPrivate {
>      const uint8_t *read_buf;
>      int read_buf_size;
>      enum SpiceUsbredirChannelState state;
> -#if USE_POLKIT
> +#ifdef USE_POLKIT
>      GSimpleAsyncResult *result;
>      SpiceUsbAclHelper *acl_helper;
>  #endif
> @@ -241,7 +241,7 @@ static gboolean spice_usbredir_channel_open_device(
>      int rc, status;
>
>      g_return_val_if_fail(priv->state == STATE_DISCONNECTED
> -#if USE_POLKIT
> +#ifdef USE_POLKIT
>                           || priv->state == STATE_WAITING_FOR_ACL_HELPER
>  #endif
>                           , FALSE);
> @@ -275,7 +275,7 @@ static gboolean spice_usbredir_channel_open_device(
>      return TRUE;
>  }
>
> -#if USE_POLKIT
> +#ifdef USE_POLKIT
>  static void spice_usbredir_channel_open_acl_cb(
>      GObject *gobject, GAsyncResult *acl_res, gpointer user_data)
>  {
> @@ -358,7 +358,7 @@ void spice_usbredir_channel_connect_device_async(
>      priv->device = libusb_ref_device(device);
>      priv->spice_device = g_boxed_copy(spice_usb_device_get_type(),
>                                        spice_device);
> -#if USE_POLKIT
> +#ifdef USE_POLKIT
>      priv->result = result;
>      priv->state  = STATE_WAITING_FOR_ACL_HELPER;
>      priv->acl_helper = spice_usb_acl_helper_new();
> @@ -415,7 +415,7 @@ void spice_usbredir_channel_disconnect_device(SpiceUsbredirChannel *channel)
>      case STATE_DISCONNECTED:
>      case STATE_DISCONNECTING:
>          break;
> -#if USE_POLKIT
> +#ifdef USE_POLKIT
>      case STATE_WAITING_FOR_ACL_HELPER:
>          priv->state = STATE_DISCONNECTING;
>          /* We're still waiting for the acl helper -> cancel it */
> diff --git a/src/spice-channel.c b/src/spice-channel.c
> index ff85715..1941b1b 100644
> --- a/src/spice-channel.c
> +++ b/src/spice-channel.c
> @@ -119,7 +119,7 @@ static void spice_channel_init(SpiceChannel *channel)
>      c->remote_common_caps = g_array_new(FALSE, TRUE, sizeof(guint32));
>      spice_channel_set_common_capability(channel, SPICE_COMMON_CAP_PROTOCOL_AUTH_SELECTION);
>      spice_channel_set_common_capability(channel, SPICE_COMMON_CAP_MINI_HEADER);
> -#if HAVE_SASL
> +#ifdef HAVE_SASL
>      spice_channel_set_common_capability(channel, SPICE_COMMON_CAP_AUTH_SASL);
>  #endif
>      g_queue_init(&c->xmit_queue);
> @@ -802,7 +802,7 @@ static void spice_channel_flush_wire(SpiceChannel *channel,
>      }
>  }
>
> -#if HAVE_SASL
> +#ifdef HAVE_SASL
>  /*
>   * Encode all buffered data, write all encrypted data out
>   * to the wire
> @@ -830,7 +830,7 @@ static void spice_channel_flush_sasl(SpiceChannel *channel, const void *data, si
>  /* coroutine context */
>  static void spice_channel_write(SpiceChannel *channel, const void *data, size_t len)
>  {
> -#if HAVE_SASL
> +#ifdef HAVE_SASL
>      SpiceChannelPrivate *c = channel->priv;
>
>      if (c->sasl_conn)
> @@ -932,7 +932,7 @@ reread:
>      return ret;
>  }
>
> -#if HAVE_SASL
> +#ifdef HAVE_SASL
>  /*
>   * Read at least 1 more byte of data out of the SASL decrypted
>   * data buffer, into the internal read buffer
> @@ -994,7 +994,7 @@ static int spice_channel_read(SpiceChannel *channel, void *data, size_t length)
>      while (len > 0) {
>          if (c->has_error) return 0; /* has_error is set by disconnect(), return no error */
>
> -#if HAVE_SASL
> +#ifdef HAVE_SASL
>          if (c->sasl_conn)
>              ret = spice_channel_read_sasl(channel, data, len);
>          else
> @@ -1268,7 +1268,7 @@ error:
>      return FALSE;
>  }
>
> -#if HAVE_SASL
> +#ifdef HAVE_SASL
>  /*
>   * NB, keep in sync with similar method in spice/server/reds.c
>   */
> @@ -1795,7 +1795,7 @@ static gboolean spice_channel_recv_link_msg(SpiceChannel *channel)
>      } else {
>          SpiceLinkAuthMechanism auth = { 0, };
>
> -#if HAVE_SASL
> +#ifdef HAVE_SASL
>          if (spice_channel_test_common_capability(channel, SPICE_COMMON_CAP_AUTH_SASL)) {
>              CHANNEL_DEBUG(channel, "Choosing SASL mechanism");
>              auth.auth_mechanism = SPICE_COMMON_CAP_AUTH_SASL;
> @@ -2167,7 +2167,7 @@ static void spice_channel_iterate_read(SpiceChannel *channel)
>      ) { do
>              spice_channel_recv_msg(channel,
>                                     (handler_msg_in)SPICE_CHANNEL_GET_CLASS(channel)->handle_msg, NULL);
> -#if HAVE_SASL
> +#ifdef HAVE_SASL
>              /* flush the sasl buffer too */
>          while (c->sasl_decoded != NULL);
>  #else
> @@ -2632,7 +2632,7 @@ static void channel_reset(SpiceChannel *channel, gboolean migrating)
>          c->connect_delayed_id = 0;
>      }
>
> -#if HAVE_SASL
> +#ifdef HAVE_SASL
>      if (c->sasl_conn) {
>          sasl_dispose(&c->sasl_conn);
>          c->sasl_conn = NULL;
> @@ -2906,7 +2906,7 @@ void spice_channel_swap(SpiceChannel *channel, SpiceChannel *swap, gboolean swap
>      SWAP(common_caps);
>      SWAP(remote_caps);
>      SWAP(remote_common_caps);
> -#if HAVE_SASL
> +#ifdef HAVE_SASL
>      SWAP(sasl_conn);
>      SWAP(sasl_decoded);
>      SWAP(sasl_decoded_length);
> diff --git a/src/spice-gtk-session.c b/src/spice-gtk-session.c
> index 9ea28c4..4201ee0 100644
> --- a/src/spice-gtk-session.c
> +++ b/src/spice-gtk-session.c
> @@ -19,7 +19,7 @@
>
>  #include <glib.h>
>
> -#if HAVE_X11_XKBLIB_H
> +#ifdef HAVE_X11_XKBLIB_H
>  #include <X11/XKBlib.h>
>  #include <gdk/gdkx.h>
>  #endif
> @@ -139,7 +139,7 @@ static guint32 get_keyboard_lock_modifiers(void)
>          modifiers |= SPICE_INPUTS_SCROLL_LOCK;
>      }
>  #else
> -#if HAVE_X11_XKBLIB_H
> +#ifdef HAVE_X11_XKBLIB_H
>      Display *x_display = NULL;
>      XKeyboardState keyboard_state;
>
> diff --git a/src/spice-widget.c b/src/spice-widget.c
> index a1a68a6..19753e7 100644
> --- a/src/spice-widget.c
> +++ b/src/spice-widget.c
> @@ -20,7 +20,7 @@
>  #include <math.h>
>  #include <glib.h>
>
> -#if HAVE_X11_XKBLIB_H
> +#ifdef HAVE_X11_XKBLIB_H
>  #include <X11/XKBlib.h>
>  #include <gdk/gdkx.h>
>  #endif
> diff --git a/src/usb-device-manager.c b/src/usb-device-manager.c
> index 647edd0..6e12602 100644
> --- a/src/usb-device-manager.c
> +++ b/src/usb-device-manager.c
> @@ -393,7 +393,7 @@ static void spice_usb_device_manager_get_property(GObject     *gobject,
>          break;
>      case PROP_FREE_CHANNELS: {
>          int free_channels = 0;
> -#if USE_USBREDIR
> +#ifdef USE_USBREDIR
>          int i;
>          for (i = 0; i < priv->channels->len; i++) {
>              SpiceUsbredirChannel *channel = g_ptr_array_index(priv->channels, i);
> --
> 2.5.0
>
> _______________________________________________
> Spice-devel mailing list
> Spice-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/spice-devel



-- 
Fabiano FidĂȘncio


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