TeamHepta/SDL
1
0
Fork 0
mirror of https://github.com/libsdl-org/SDL.git synced 2026-05-04 07:10:15 +02:00
Code Issues Packages Projects Releases Wiki Activity

Fixed some issues found with static analysis

Browse Source
This commit is contained in:
Sam Lantinga
2024-07-26 23:35:30 -07:00
parent 218e45247f
commit b854e1fe0b
6 changed files with 41 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
src/video/SDL_blit_0.c
View File

@@ -928,10 +928,16 @@ SDL_BlitFunc SDL_CalculateBlit0(SDL_Surface *surface)
if (SDL_PIXELTYPE(surface->format) == SDL_PIXELTYPE_INDEX1) {
switch (surface->internal->map.info.flags & ~SDL_COPY_RLE_MASK) {
case 0:
return bitmap_blit_1b[which];
if (which < SDL_arraysize(bitmap_blit_1b)) {
return bitmap_blit_1b[which];
}
break;
case SDL_COPY_COLORKEY:
return colorkey_blit_1b[which];
if (which < SDL_arraysize(colorkey_blit_1b)) {
return colorkey_blit_1b[which];
}
break;
case SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND:
return which >= 2 ? Blit1btoNAlpha : (SDL_BlitFunc)NULL;
@@ -945,10 +951,16 @@ SDL_BlitFunc SDL_CalculateBlit0(SDL_Surface *surface)
if (SDL_PIXELTYPE(surface->format) == SDL_PIXELTYPE_INDEX2) {
switch (surface->internal->map.info.flags & ~SDL_COPY_RLE_MASK) {
case 0:
return bitmap_blit_2b[which];
if (which < SDL_arraysize(bitmap_blit_2b)) {
return bitmap_blit_2b[which];
}
break;
case SDL_COPY_COLORKEY:
return colorkey_blit_2b[which];
if (which < SDL_arraysize(colorkey_blit_2b)) {
return colorkey_blit_2b[which];
}
break;
case SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND:
return which >= 2 ? Blit2btoNAlpha : (SDL_BlitFunc)NULL;
@@ -962,10 +974,16 @@ SDL_BlitFunc SDL_CalculateBlit0(SDL_Surface *surface)
if (SDL_PIXELTYPE(surface->format) == SDL_PIXELTYPE_INDEX4) {
switch (surface->internal->map.info.flags & ~SDL_COPY_RLE_MASK) {
case 0:
return bitmap_blit_4b[which];
if (which < SDL_arraysize(bitmap_blit_4b)) {
return bitmap_blit_4b[which];
}
break;
case SDL_COPY_COLORKEY:
return colorkey_blit_4b[which];
if (which < SDL_arraysize(colorkey_blit_4b)) {
return colorkey_blit_4b[which];
}
break;
case SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND:
return which >= 2 ? Blit4btoNAlpha : (SDL_BlitFunc)NULL;

10
src/video/SDL_blit_1.c
View File

@@ -526,10 +526,16 @@ SDL_BlitFunc SDL_CalculateBlit1(SDL_Surface *surface)
switch (surface->internal->map.info.flags & ~SDL_COPY_RLE_MASK) {
case 0:
return one_blit[which];
if (which < SDL_arraysize(one_blit)) {
return one_blit[which];
}
break;
case SDL_COPY_COLORKEY:
return one_blitkey[which];
if (which < SDL_arraysize(one_blitkey)) {
return one_blitkey[which];
}
break;
case SDL_COPY_COLORKEY | SDL_COPY_BLEND: /* this is not super-robust but handles a specific case we found sdl12-compat. */
return (surface->internal->map.info.a == 255) ? one_blitkey[which] :