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The storage ready callback is optional

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This commit is contained in:
Sam Lantinga
2024-03-16 08:45:01 -07:00
parent db0c1d7aeb
commit ee0a23c7ab
1 changed files with 6 additions and 8 deletions
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14
src/storage/SDL_storage.c
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@@ -141,13 +141,8 @@ SDL_Storage *SDL_OpenStorage(const SDL_StorageInterface *iface, void *userdata)
{ {
SDL_Storage *storage; SDL_Storage *storage;
if (iface->close == NULL || iface->ready == NULL || iface->fileSize == NULL) { if (!iface) {
SDL_SetError("iface is missing required callbacks"); SDL_InvalidParamError("iface");
return NULL;
}
if ((iface->writeFile != NULL) != (iface->spaceRemaining != NULL)) {
SDL_SetError("Writeable containers must have both writeFile and spaceRemaining");
return NULL; return NULL;
} }
@@ -177,7 +172,10 @@ SDL_bool SDL_StorageReady(SDL_Storage *storage)
{ {
CHECK_STORAGE_MAGIC_RET(SDL_FALSE) CHECK_STORAGE_MAGIC_RET(SDL_FALSE)
return storage->iface.ready(storage->userdata); if (storage->iface.ready) {
return storage->iface.ready(storage->userdata);
}
return SDL_TRUE;
} }
int SDL_GetStorageFileSize(SDL_Storage *storage, const char *path, Uint64 *length) int SDL_GetStorageFileSize(SDL_Storage *storage, const char *path, Uint64 *length)