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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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4
src/audio/SDL_wave.c
View File

@@ -1715,7 +1715,7 @@ WaveCheckFormat(WaveFile *file, size_t datalength)
if (file->facthint == FactStrict && file->fact.status <= 0) {
return SDL_SetError("Missing fact chunk in WAVE file");
}
SDL_FALLTHROUGH;
/* fallthrough */
case PCM_CODE:
/* All supported formats require a non-zero bit depth. */
if (file->chunk.size < 16) {
@@ -1854,7 +1854,7 @@ WaveLoad(SDL_RWops *src, WaveFile *file, SDL_AudioSpec *spec, Uint8 **audio_buf,
RIFFend = RIFFchunk.position + SDL_MAX_UINT32;
break;
}
SDL_FALLTHROUGH;
/* fallthrough */
case RiffSizeForce:
RIFFend = RIFFchunk.position + RIFFchunk.length;
RIFFlengthknown = SDL_TRUE;

8
src/render/software/SDL_draw.h
View File

@@ -618,10 +618,10 @@ do { \
while (height--) { \
{ int n = (width+3)/4; \
switch (width & 3) { \
case 0: do { op; pixel++; SDL_FALLTHROUGH; \
case 3: op; pixel++; SDL_FALLTHROUGH; \
case 2: op; pixel++; SDL_FALLTHROUGH; \
case 1: op; pixel++; \
case 0: do { op; pixel++; /* fallthrough */ \
case 3: op; pixel++; /* fallthrough */ \
case 2: op; pixel++; /* fallthrough */ \
case 1: op; pixel++; /* fallthrough */ \
} while ( --n > 0 ); \
} \
} \

4
src/stdlib/SDL_iconv.c
View File

@@ -758,7 +758,7 @@ SDL_iconv(SDL_iconv_t cd,
if (ch > 0x10FFFF) {
ch = UNKNOWN_UNICODE;
}
SDL_FALLTHROUGH;
/* fallthrough */
case ENCODING_UCS4BE:
if (ch > 0x7FFFFFFF) {
ch = UNKNOWN_UNICODE;
@@ -780,7 +780,7 @@ SDL_iconv(SDL_iconv_t cd,
if (ch > 0x10FFFF) {
ch = UNKNOWN_UNICODE;
}
SDL_FALLTHROUGH;
/* fallthrough */
case ENCODING_UCS4LE:
if (ch > 0x7FFFFFFF) {
ch = UNKNOWN_UNICODE;

12
src/stdlib/SDL_string.c
View File

@@ -1275,7 +1275,7 @@ SDL_vsscanf(const char *text, const char *fmt, va_list ap)
}
}
}
SDL_FALLTHROUGH;
/* Fall through to %d handling */
case 'd':
if (inttype == DO_LONGLONG) {
Sint64 value;
@@ -1323,13 +1323,13 @@ SDL_vsscanf(const char *text, const char *fmt, va_list ap)
if (radix == 10) {
radix = 8;
}
SDL_FALLTHROUGH;
/* Fall through to unsigned handling */
case 'x':
case 'X':
if (radix == 10) {
radix = 16;
}
SDL_FALLTHROUGH;
/* Fall through to unsigned handling */
case 'u':
if (inttype == DO_LONGLONG) {
Uint64 value = 0;
@@ -1815,7 +1815,7 @@ SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, const char *fmt,
case 'p':
case 'x':
info.force_case = SDL_CASE_LOWER;
SDL_FALLTHROUGH;
/* Fall through to 'X' handling */
case 'X':
if (info.force_case == SDL_CASE_NOCHANGE) {
info.force_case = SDL_CASE_UPPER;
@@ -1826,12 +1826,12 @@ SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, const char *fmt,
if (*fmt == 'p') {
inttype = DO_LONG;
}
SDL_FALLTHROUGH;
/* Fall through to unsigned handling */
case 'o':
if (info.radix == 10) {
info.radix = 8;
}
SDL_FALLTHROUGH;
/* Fall through to unsigned handling */
case 'u':
info.force_sign = SDL_FALSE;
if (info.precision >= 0) {

24
src/video/SDL_blit.h
View File

@@ -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
View File

@@ -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
View File

@@ -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
View File

@@ -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: