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SDL Wiki

SDL_WasInit

Get a mask of the specified subsystems which are currently initialized.

Syntax

Uint32 SDL_WasInit(Uint32 flags);

Function Parameters

flags

any of the flags used by SDL_Init(); see SDL_Init for details.

Return Value

Returns If `flags` is 0 it returns a mask of all initialized subsystems, otherwise it returns the initialization status of the specified subsystems.

Code Examples

/* Get init data on all the subsystems */
Uint32 subsystem_init;

subsystem_init = SDL_WasInit(SDL_INIT_EVERYTHING);

if (subsystem_init & SDL_INIT_VIDEO) {
    printf("Video is initialized.\n");
} else {
    printf("Video is not initialized.\n");
}
/* Just check for one specific subsystem */

if (SDL_WasInit(SDL_INIT_VIDEO) != 0) {
    printf("Video is initialized.\n");
} else {
    printf("Video is not initialized.\n");
}
/* Check for two subsystems */
Uint32 subsystem_mask = SDL_INIT_VIDEO | SDL_INIT_AUDIO;

if (SDL_WasInit(subsystem_mask) == subsystem_mask) {
    printf("Video and Audio initialized.\n");
} else {
    printf("Video and Audio not initialized.\n");
}
SDL_Init
SDL_InitSubSystem

CategoryAPI, CategoryInit


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