[SDL2] pointer boolean (#8523)

test/testyuv.c

@@ -75,7 +75,7 @@ static SDL_bool verify_yuv_data(Uint32 format, const Uint8 *yuv, int yuv_pitch,
     SDL_bool result = SDL_FALSE;
 
     rgb = (Uint8 *)SDL_malloc(size);
-    if (rgb == NULL) {
+    if (!rgb) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Out of memory");
         return SDL_FALSE;
     }
@@ -126,7 +126,7 @@ static int run_automated_tests(int pattern_size, int extra_pitch)
     int yuv1_pitch, yuv2_pitch;
     int result = -1;
 
-    if (pattern == NULL || yuv1 == NULL || yuv2 == NULL) {
+    if (!pattern || !yuv1 || !yuv2) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't allocate test surfaces");
         goto done;
     }
@@ -327,7 +327,7 @@ int main(int argc, char **argv)
         filename = "testyuv.bmp";
     }
     original = SDL_ConvertSurfaceFormat(SDL_LoadBMP(filename), SDL_PIXELFORMAT_RGB24, 0);
-    if (original == NULL) {
+    if (!original) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't load %s: %s\n", filename, SDL_GetError());
         return 3;
     }
@@ -339,7 +339,7 @@ int main(int argc, char **argv)
     pitch = CalculateYUVPitch(yuv_format, original->w);
 
     converted = SDL_CreateRGBSurfaceWithFormat(0, original->w, original->h, 0, rgb_format);
-    if (converted == NULL) {
+    if (!converted) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create converted surface: %s\n", SDL_GetError());
         return 3;
     }
@@ -356,13 +356,13 @@ int main(int argc, char **argv)
                               SDL_WINDOWPOS_UNDEFINED,
                               original->w, original->h,
                               0);
-    if (window == NULL) {
+    if (!window) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create window: %s\n", SDL_GetError());
         return 4;
     }
 
     renderer = SDL_CreateRenderer(window, -1, 0);
-    if (renderer == NULL) {
+    if (!renderer) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create renderer: %s\n", SDL_GetError());
         return 4;
     }