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Added filesystem operations to SDL_Storage

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This commit is contained in:
Sam Lantinga
2024-03-16 11:03:41 -07:00
parent 7a088527c1
commit f460f42e70
4 changed files with 355 additions and 113 deletions
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55
src/storage/steam/SDL_steamstorage.c
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@@ -40,7 +40,7 @@ typedef struct STEAM_RemoteStorage
#include "SDL_steamstorage_proc.h"
} STEAM_RemoteStorage;
static int STEAM_UserStorageClose(void *userdata)
static int STEAM_CloseStorage(void *userdata)
{
int result = 0;
STEAM_RemoteStorage *steam = (STEAM_RemoteStorage*) userdata;
@@ -55,25 +55,30 @@ static int STEAM_UserStorageClose(void *userdata)
return result;
}
static SDL_bool STEAM_UserStorageReady(void *userdata)
static SDL_bool STEAM_StorageReady(void *userdata)
{
return SDL_TRUE;
}
static int STEAM_UserStorageFileSize(void *userdata, const char *path, Uint64 *length)
static int STEAM_GetStoragePathInfo(void *userdata, const char *path, SDL_PathInfo *info)
{
STEAM_RemoteStorage *steam = (STEAM_RemoteStorage*) userdata;
void *steamremotestorage = steam->SteamAPI_SteamRemoteStorage_v016();
if (steamremotestorage == NULL) {
return SDL_SetError("SteamRemoteStorage unavailable");
}
*length = steam->SteamAPI_ISteamRemoteStorage_GetFileSize(steamremotestorage, path);
if (info) {
SDL_zerop(info);
info->type = SDL_PATHTYPE_FILE;
info->size = steam->SteamAPI_ISteamRemoteStorage_GetFileSize(steamremotestorage, path);
}
return 0;
}
static int STEAM_UserStorageReadFile(void *userdata, const char *path, void *destination, Uint64 length)
static int STEAM_ReadStorageFile(void *userdata, const char *path, void *destination, Uint64 length)
{
int retval;
int result = -1;
STEAM_RemoteStorage *steam = (STEAM_RemoteStorage*) userdata;
void *steamremotestorage = steam->SteamAPI_SteamRemoteStorage_v016();
if (steamremotestorage == NULL) {
@@ -82,13 +87,17 @@ static int STEAM_UserStorageReadFile(void *userdata, const char *path, void *des
if (length > SDL_MAX_SINT32) {
return SDL_SetError("SteamRemoteStorage only supports INT32_MAX read size");
}
retval = steam->SteamAPI_ISteamRemoteStorage_FileRead(steamremotestorage, path, destination, (Sint32) length) == length;
return retval - 1;
if (steam->SteamAPI_ISteamRemoteStorage_FileRead(steamremotestorage, path, destination, (Sint32) length) == length) {
result = 0;
} else {
SDL_SetError("SteamAPI_ISteamRemoteStorage_FileRead() failed");
}
return result;
}
static int STEAM_UserStorageWriteFile(void *userdata, const char *path, const void *source, Uint64 length)
static int STEAM_WriteStorageFile(void *userdata, const char *path, const void *source, Uint64 length)
{
int retval;
int result = -1;
STEAM_RemoteStorage *steam = (STEAM_RemoteStorage*) userdata;
void *steamremotestorage = steam->SteamAPI_SteamRemoteStorage_v016();
if (steamremotestorage == NULL) {
@@ -97,11 +106,15 @@ static int STEAM_UserStorageWriteFile(void *userdata, const char *path, const vo
if (length > SDL_MAX_SINT32) {
return SDL_SetError("SteamRemoteStorage only supports INT32_MAX write size");
}
retval = steam->SteamAPI_ISteamRemoteStorage_FileWrite(steamremotestorage, path, source, (Sint32) length) == length;
return retval - 1;
if (steam->SteamAPI_ISteamRemoteStorage_FileWrite(steamremotestorage, path, source, (Sint32) length) == length) {
result = 0;
} else {
SDL_SetError("SteamAPI_ISteamRemoteStorage_FileRead() failed");
}
return result;
}
static Uint64 STEAM_UserStorageSpaceRemaining(void *userdata)
static Uint64 STEAM_GetStorageSpaceRemaining(void *userdata)
{
Uint64 total, remaining;
STEAM_RemoteStorage *steam = (STEAM_RemoteStorage*) userdata;
@@ -118,12 +131,16 @@ static Uint64 STEAM_UserStorageSpaceRemaining(void *userdata)
}
static const SDL_StorageInterface STEAM_user_iface = {
STEAM_UserStorageClose,
STEAM_UserStorageReady,
STEAM_UserStorageFileSize,
STEAM_UserStorageReadFile,
STEAM_UserStorageWriteFile,
STEAM_UserStorageSpaceRemaining
STEAM_CloseStorage,
STEAM_StorageReady,
NULL, /* enumerate */
STEAM_GetStoragePathInfo,
STEAM_ReadStorageFile,
STEAM_WriteStorageFile,
NULL, /* mkdir */
NULL, /* remove */
NULL, /* rename */
STEAM_GetStorageSpaceRemaining
};
static SDL_Storage *STEAM_User_Create(const char *org, const char *app, SDL_PropertiesID props)