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Revert "Add and use SDL_FALLTHROUGH for fallthroughs"

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This reverts commit 66a08aa391.

This causes problems with older compilers:
https://github.com/libsdl-org/SDL/pull/4791#issuecomment-966630997
This commit is contained in:
Sam Lantinga
2021-11-11 15:58:44 -08:00
parent 36b2690e40
commit abc12a832c
15 changed files with 55 additions and 63 deletions
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24
src/video/SDL_blit.h
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@@ -479,14 +479,14 @@ do { \
#define DUFFS_LOOP8(pixel_copy_increment, width) \
{ int n = (width+7)/8; \
switch (width & 7) { \
case 0: do { pixel_copy_increment; SDL_FALLTHROUGH; \
case 7: pixel_copy_increment; SDL_FALLTHROUGH; \
case 6: pixel_copy_increment; SDL_FALLTHROUGH; \
case 5: pixel_copy_increment; SDL_FALLTHROUGH; \
case 4: pixel_copy_increment; SDL_FALLTHROUGH; \
case 3: pixel_copy_increment; SDL_FALLTHROUGH; \
case 2: pixel_copy_increment; SDL_FALLTHROUGH; \
case 1: pixel_copy_increment; \
case 0: do { pixel_copy_increment; /* fallthrough */ \
case 7: pixel_copy_increment; /* fallthrough */ \
case 6: pixel_copy_increment; /* fallthrough */ \
case 5: pixel_copy_increment; /* fallthrough */ \
case 4: pixel_copy_increment; /* fallthrough */ \
case 3: pixel_copy_increment; /* fallthrough */ \
case 2: pixel_copy_increment; /* fallthrough */ \
case 1: pixel_copy_increment; /* fallthrough */ \
} while ( --n > 0 ); \
} \
}
@@ -495,10 +495,10 @@ do { \
#define DUFFS_LOOP4(pixel_copy_increment, width) \
{ int n = (width+3)/4; \
switch (width & 3) { \
case 0: do { pixel_copy_increment; SDL_FALLTHROUGH; \
case 3: pixel_copy_increment; SDL_FALLTHROUGH; \
case 2: pixel_copy_increment; SDL_FALLTHROUGH; \
case 1: pixel_copy_increment; \
case 0: do { pixel_copy_increment; /* fallthrough */ \
case 3: pixel_copy_increment; /* fallthrough */ \
case 2: pixel_copy_increment; /* fallthrough */ \
case 1: pixel_copy_increment; /* fallthrough */ \
} while (--n > 0); \
} \
}

12
src/video/SDL_fillrect.c
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@@ -145,13 +145,13 @@ SDL_FillRect1(Uint8 * pixels, int pitch, Uint32 color, int w, int h)
switch ((uintptr_t) p & 3) {
case 1:
*p++ = (Uint8) color;
--n; SDL_FALLTHROUGH;
--n; /* fallthrough */
case 2:
*p++ = (Uint8) color;
--n; SDL_FALLTHROUGH;
--n; /* fallthrough */
case 3:
*p++ = (Uint8) color;
--n;
--n; /* fallthrough */
}
SDL_memset4(p, color, (n >> 2));
}
@@ -159,11 +159,11 @@ SDL_FillRect1(Uint8 * pixels, int pitch, Uint32 color, int w, int h)
p += (n & ~3);
switch (n & 3) {
case 3:
*p++ = (Uint8) color; SDL_FALLTHROUGH;
*p++ = (Uint8) color; /* fallthrough */
case 2:
*p++ = (Uint8) color; SDL_FALLTHROUGH;
*p++ = (Uint8) color; /* fallthrough */
case 1:
*p++ = (Uint8) color;
*p++ = (Uint8) color; /* fallthrough */
}
}
pixels += pitch;

2
src/video/SDL_pixels.c
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@@ -333,7 +333,7 @@ SDL_MasksToPixelFormatEnum(int bpp, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask,
if (Rmask == 0) {
return SDL_PIXELFORMAT_RGB555;
}
SDL_FALLTHROUGH;
/* fallthrough */
case 16:
if (Rmask == 0) {
return SDL_PIXELFORMAT_RGB565;

2
src/video/directfb/SDL_DirectFB_WM.c
View File

@@ -323,7 +323,7 @@ DirectFB_WM_ProcessEvent(_THIS, SDL_Window * window, DFBWindowEvent * evt)
}
if (window->flags & SDL_WINDOW_MAXIMIZED)
return 1;
SDL_FALLTHROUGH;
/* fall through */
default:
windata->wm_grab = pos;
if (grabbed_window != NULL)

2
src/video/directfb/SDL_DirectFB_events.c
View File

@@ -261,7 +261,7 @@ ProcessWindowEvent(_THIS, SDL_Window *sdlwin, DFBWindowEvent * evt)
SDL_SendWindowEvent(sdlwin, SDL_WINDOWEVENT_MOVED,
evt->x, evt->y);
}
SDL_FALLTHROUGH;
/* fall throught */
case DWET_SIZE:
/* FIXME: what about < 0 */
evt->w -= (windata->theme.right_size + windata->theme.left_size);

1
src/video/windows/SDL_windowsevents.c
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@@ -729,7 +729,6 @@ WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
}
}
/* don't break here, fall through to check the wParam like the button presses */
SDL_FALLTHROUGH;
case WM_LBUTTONUP:
case WM_RBUTTONUP:
case WM_MBUTTONUP: