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emu: SDL style fixes

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These should be quite obvious and will make the SDL2 patch easier
to read then doing it inline there.

Signed-off-by: Julian Andres Klode <julian.klode@canonical.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Julian Andres Klode 2023-06-21 15:14:15 +02:00 committed by Daniel Kiper
parent afdef4a563
commit d131335d4e
2 changed files with 9 additions and 9 deletions
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2
configure.ac
View File

@ -1613,7 +1613,7 @@ AC_CHECK_LIB([SDL], [SDL_Init], [LIBSDL="-lSDL"],
[fi]
if test x"enable_grub_emu_sdl" = xyes && test x"$grub_emu_sdl_excuse" != x ; then
AC_MSG_ERROR([SDL support for grub-emu was explicitly requested but can't be compiled ($grub_emu_sdl_excuse)])
AC_MSG_ERROR([SDL support for grub-emu was explicitly requested but can't be compiled ($grub_emu_sdl_excuse)])
fi
if test x"$grub_emu_sdl_excuse" = x ; then
enable_grub_emu_sdl=yes

16
grub-core/video/emu/sdl.c
View File

@ -29,7 +29,7 @@
GRUB_MOD_LICENSE ("GPLv3+");
static SDL_Surface *window = 0;
static SDL_Surface *window = NULL;
static struct grub_video_render_target *sdl_render_target;
static struct grub_video_mode_info mode_info;
@ -40,10 +40,10 @@ grub_video_sdl_set_palette (unsigned int start, unsigned int count,
static grub_err_t
grub_video_sdl_init (void)
{
window = 0;
window = NULL;
if (SDL_Init (SDL_INIT_VIDEO) < 0)
return grub_error (GRUB_ERR_BAD_DEVICE, "Couldn't init SDL: %s",
return grub_error (GRUB_ERR_BAD_DEVICE, "could not init SDL: %s",
SDL_GetError ());
grub_memset (&mode_info, 0, sizeof (mode_info));
@ -55,7 +55,7 @@ static grub_err_t
grub_video_sdl_fini (void)
{
SDL_Quit ();
window = 0;
window = NULL;
grub_memset (&mode_info, 0, sizeof (mode_info));
@ -96,10 +96,10 @@ grub_video_sdl_setup (unsigned int width, unsigned int height,
flags |= SDL_DOUBLEBUF;
window = SDL_SetVideoMode (width, height, depth, flags | SDL_HWSURFACE);
if (! window)
if (window == NULL)
window = SDL_SetVideoMode (width, height, depth, flags | SDL_SWSURFACE);
if (! window)
return grub_error (GRUB_ERR_BAD_DEVICE, "Couldn't open window: %s",
if (window == NULL)
return grub_error (GRUB_ERR_BAD_DEVICE, "could not open window: %s",
SDL_GetError ());
grub_memset (&sdl_render_target, 0, sizeof (sdl_render_target));
@ -191,7 +191,7 @@ static grub_err_t
grub_video_sdl_swap_buffers (void)
{
if (SDL_Flip (window) < 0)
return grub_error (GRUB_ERR_BAD_DEVICE, "couldn't swap buffers: %s",
return grub_error (GRUB_ERR_BAD_DEVICE, "could not swap buffers: %s",
SDL_GetError ());
return GRUB_ERR_NONE;
}