chore(build): revert to sdl2

vendor/sdl-2.30.5/src/filesystem/android/SDL_sysfilesystem.c

@@ -0,0 +1,60 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#ifdef SDL_FILESYSTEM_ANDROID
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
+#include <unistd.h>
+
+#include "SDL_error.h"
+#include "SDL_filesystem.h"
+#include "SDL_system.h"
+
+
+char *SDL_GetBasePath(void)
+{
+    /* The current working directory is / on Android */
+    SDL_Unsupported();
+    return NULL;
+}
+
+char *SDL_GetPrefPath(const char *org, const char *app)
+{
+    const char *path = SDL_AndroidGetInternalStoragePath();
+    if (path) {
+        size_t pathlen = SDL_strlen(path) + 2;
+        char *fullpath = (char *)SDL_malloc(pathlen);
+        if (!fullpath) {
+            SDL_OutOfMemory();
+            return NULL;
+        }
+        SDL_snprintf(fullpath, pathlen, "%s/", path);
+        return fullpath;
+    }
+    return NULL;
+}
+
+#endif /* SDL_FILESYSTEM_ANDROID */
+
+/* vi: set ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/filesystem/cocoa/SDL_sysfilesystem.m

@@ -0,0 +1,139 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#ifdef SDL_FILESYSTEM_COCOA
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
+#include <Foundation/Foundation.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "SDL_error.h"
+#include "SDL_stdinc.h"
+#include "SDL_filesystem.h"
+
+char *SDL_GetBasePath(void)
+{
+    @autoreleasepool {
+        NSBundle *bundle = [NSBundle mainBundle];
+        const char *baseType = [[[bundle infoDictionary] objectForKey:@"SDL_FILESYSTEM_BASE_DIR_TYPE"] UTF8String];
+        const char *base = NULL;
+        char *retval = NULL;
+
+        if (baseType == NULL) {
+            baseType = "resource";
+        }
+        if (SDL_strcasecmp(baseType, "bundle") == 0) {
+            base = [[bundle bundlePath] fileSystemRepresentation];
+        } else if (SDL_strcasecmp(baseType, "parent") == 0) {
+            base = [[[bundle bundlePath] stringByDeletingLastPathComponent] fileSystemRepresentation];
+        } else {
+            /* this returns the exedir for non-bundled  and the resourceDir for bundled apps */
+            base = [[bundle resourcePath] fileSystemRepresentation];
+        }
+
+        if (base) {
+            const size_t len = SDL_strlen(base) + 2;
+            retval = (char *)SDL_malloc(len);
+            if (retval == NULL) {
+                SDL_OutOfMemory();
+            } else {
+                SDL_snprintf(retval, len, "%s/", base);
+            }
+        }
+
+        return retval;
+    }
+}
+
+char *SDL_GetPrefPath(const char *org, const char *app)
+{
+    @autoreleasepool {
+        char *retval = NULL;
+        NSArray *array;
+
+        if (!app) {
+            SDL_InvalidParamError("app");
+            return NULL;
+        }
+        if (!org) {
+            org = "";
+        }
+
+#if !TARGET_OS_TV
+        array = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, YES);
+#else
+        /* tvOS does not have persistent local storage!
+         * The only place on-device where we can store data is
+         * a cache directory that the OS can empty at any time.
+         *
+         * It's therefore very likely that save data will be erased
+         * between sessions. If you want your app's save data to
+         * actually stick around, you'll need to use iCloud storage.
+         */
+        {
+            static SDL_bool shown = SDL_FALSE;
+            if (!shown) {
+                shown = SDL_TRUE;
+                SDL_LogCritical(SDL_LOG_CATEGORY_SYSTEM, "tvOS does not have persistent local storage! Use iCloud storage if you want your data to persist between sessions.\n");
+            }
+        }
+
+        array = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
+#endif /* !TARGET_OS_TV */
+
+        if ([array count] > 0) { /* we only want the first item in the list. */
+            NSString *str = [array objectAtIndex:0];
+            const char *base = [str fileSystemRepresentation];
+            if (base) {
+                const size_t len = SDL_strlen(base) + SDL_strlen(org) + SDL_strlen(app) + 4;
+                retval = (char *)SDL_malloc(len);
+                if (retval == NULL) {
+                    SDL_OutOfMemory();
+                } else {
+                    char *ptr;
+                    if (*org) {
+                        SDL_snprintf(retval, len, "%s/%s/%s/", base, org, app);
+                    } else {
+                        SDL_snprintf(retval, len, "%s/%s/", base, app);
+                    }
+                    for (ptr = retval + 1; *ptr; ptr++) {
+                        if (*ptr == '/') {
+                            *ptr = '\0';
+                            mkdir(retval, 0700);
+                            *ptr = '/';
+                        }
+                    }
+                    mkdir(retval, 0700);
+                }
+            }
+        }
+
+        return retval;
+    }
+}
+
+#endif /* SDL_FILESYSTEM_COCOA */
+
+/* vi: set ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/filesystem/dummy/SDL_sysfilesystem.c

@@ -0,0 +1,45 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#if defined(SDL_FILESYSTEM_DUMMY) || defined(SDL_FILESYSTEM_DISABLED)
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
+#include "SDL_error.h"
+#include "SDL_filesystem.h"
+
+char *SDL_GetBasePath(void)
+{
+    SDL_Unsupported();
+    return NULL;
+}
+
+char *SDL_GetPrefPath(const char *org, const char *app)
+{
+    SDL_Unsupported();
+    return NULL;
+}
+
+#endif /* SDL_FILESYSTEM_DUMMY || SDL_FILESYSTEM_DISABLED */
+
+/* vi: set ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/filesystem/emscripten/SDL_sysfilesystem.c

@@ -0,0 +1,91 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#ifdef SDL_FILESYSTEM_EMSCRIPTEN
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+#include <errno.h>
+#include <sys/stat.h>
+
+#include "SDL_error.h"
+#include "SDL_filesystem.h"
+
+#include <emscripten/emscripten.h>
+
+char *SDL_GetBasePath(void)
+{
+    char *retval = "/";
+    return SDL_strdup(retval);
+}
+
+char *SDL_GetPrefPath(const char *org, const char *app)
+{
+    const char *append = "/libsdl/";
+    char *retval;
+    char *ptr = NULL;
+    size_t len = 0;
+
+    if (!app) {
+        SDL_InvalidParamError("app");
+        return NULL;
+    }
+    if (!org) {
+        org = "";
+    }
+
+    len = SDL_strlen(append) + SDL_strlen(org) + SDL_strlen(app) + 3;
+    retval = (char *)SDL_malloc(len);
+    if (!retval) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    if (*org) {
+        SDL_snprintf(retval, len, "%s%s/%s/", append, org, app);
+    } else {
+        SDL_snprintf(retval, len, "%s%s/", append, app);
+    }
+
+    for (ptr = retval + 1; *ptr; ptr++) {
+        if (*ptr == '/') {
+            *ptr = '\0';
+            if (mkdir(retval, 0700) != 0 && errno != EEXIST) {
+                goto error;
+            }
+            *ptr = '/';
+        }
+    }
+
+    if (mkdir(retval, 0700) != 0 && errno != EEXIST) {
+    error:
+        SDL_SetError("Couldn't create directory '%s': '%s'", retval, strerror(errno));
+        SDL_free(retval);
+        return NULL;
+    }
+
+    return retval;
+}
+
+#endif /* SDL_FILESYSTEM_EMSCRIPTEN */
+
+/* vi: set ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/filesystem/gdk/SDL_sysfilesystem.cpp

@@ -0,0 +1,138 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
+#include "../../core/windows/SDL_windows.h"
+#include "SDL_hints.h"
+#include "SDL_system.h"
+#include "SDL_filesystem.h"
+#include <XGameSaveFiles.h>
+
+char *
+SDL_GetBasePath(void)
+{
+    /* NOTE: This function is a UTF8 version of the Win32 SDL_GetBasePath()!
+     * The GDK actually _recommends_ the 'A' functions over the 'W' functions :o
+     */
+    DWORD buflen = 128;
+    CHAR *path = NULL;
+    DWORD len = 0;
+    int i;
+
+    while (SDL_TRUE) {
+        void *ptr = SDL_realloc(path, buflen * sizeof(CHAR));
+        if (!ptr) {
+            SDL_free(path);
+            SDL_OutOfMemory();
+            return NULL;
+        }
+
+        path = (CHAR *)ptr;
+
+        len = GetModuleFileNameA(NULL, path, buflen);
+        /* if it truncated, then len >= buflen - 1 */
+        /* if there was enough room (or failure), len < buflen - 1 */
+        if (len < buflen - 1) {
+            break;
+        }
+
+        /* buffer too small? Try again. */
+        buflen *= 2;
+    }
+
+    if (len == 0) {
+        SDL_free(path);
+        WIN_SetError("Couldn't locate our .exe");
+        return NULL;
+    }
+
+    for (i = len - 1; i > 0; i--) {
+        if (path[i] == '\\') {
+            break;
+        }
+    }
+
+    SDL_assert(i > 0);  /* Should have been an absolute path. */
+    path[i + 1] = '\0'; /* chop off filename. */
+
+    return path;
+}
+
+char *
+SDL_GetPrefPath(const char *org, const char *app)
+{
+    XUserHandle user = NULL;
+    XAsyncBlock block = { 0 };
+    char *folderPath;
+    HRESULT result;
+    const char *csid = SDL_GetHint("SDL_GDK_SERVICE_CONFIGURATION_ID");
+    
+    if (!app) {
+        SDL_InvalidParamError("app");
+        return NULL;
+    }
+
+    /* This should be set before calling SDL_GetPrefPath! */
+    if (!csid) {
+        SDL_LogWarn(SDL_LOG_CATEGORY_SYSTEM, "Set SDL_GDK_SERVICE_CONFIGURATION_ID before calling SDL_GetPrefPath!");
+        return SDL_strdup("T:\\");
+    }
+
+    if (SDL_GDKGetDefaultUser(&user) < 0) {
+        /* Error already set, just return */
+        return NULL;
+    }
+
+    if (FAILED(result = XGameSaveFilesGetFolderWithUiAsync(user, csid, &block))) {
+        WIN_SetErrorFromHRESULT("XGameSaveFilesGetFolderWithUiAsync", result);
+        return NULL;
+    }
+
+    folderPath = (char*) SDL_malloc(MAX_PATH);
+    do {
+        result = XGameSaveFilesGetFolderWithUiResult(&block, MAX_PATH, folderPath);
+    } while (result == E_PENDING);
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT("XGameSaveFilesGetFolderWithUiResult", result);
+        SDL_free(folderPath);
+        return NULL;
+    }
+
+    /* We aren't using 'app' here because the container rules are a lot more
+     * strict than the NTFS rules, so it will most likely be invalid :(
+     */
+    SDL_strlcat(folderPath, "\\SDLPrefPath\\", MAX_PATH);
+    if (CreateDirectoryA(folderPath, NULL) == FALSE) {
+        if (GetLastError() != ERROR_ALREADY_EXISTS) {
+            WIN_SetError("CreateDirectoryA");
+            SDL_free(folderPath);
+            return NULL;
+        }
+    }
+    return folderPath;
+}
+
+
+/* vi: set ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/filesystem/haiku/SDL_sysfilesystem.cc

@@ -0,0 +1,107 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#ifdef SDL_FILESYSTEM_HAIKU
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
+#include <kernel/image.h>
+#include <storage/Directory.h>
+#include <storage/Entry.h>
+#include <storage/Path.h>
+
+#include "SDL_error.h"
+#include "SDL_stdinc.h"
+#include "SDL_filesystem.h"
+
+char *SDL_GetBasePath(void)
+{
+    image_info info;
+    int32 cookie = 0;
+
+    while (get_next_image_info(0, &cookie, &info) == B_OK) {
+        if (info.type == B_APP_IMAGE) {
+            break;
+        }
+    }
+
+    BEntry entry(info.name, true);
+    BPath path;
+    status_t rc = entry.GetPath(&path);  /* (path) now has binary's path. */
+    SDL_assert(rc == B_OK);
+    rc = path.GetParent(&path); /* chop filename, keep directory. */
+    SDL_assert(rc == B_OK);
+    const char *str = path.Path();
+    SDL_assert(str != NULL);
+
+    const size_t len = SDL_strlen(str);
+    char *retval = (char *) SDL_malloc(len + 2);
+    if (!retval) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    SDL_memcpy(retval, str, len);
+    retval[len] = '/';
+    retval[len+1] = '\0';
+    return retval;
+}
+
+
+char *SDL_GetPrefPath(const char *org, const char *app)
+{
+    // !!! FIXME: is there a better way to do this?
+    const char *home = SDL_getenv("HOME");
+    const char *append = "/config/settings/";
+    size_t len = SDL_strlen(home);
+
+    if (!app) {
+        SDL_InvalidParamError("app");
+        return NULL;
+    }
+    if (!org) {
+        org = "";
+    }
+
+    if (!len || (home[len - 1] == '/')) {
+        ++append; // home empty or ends with separator, skip the one from append
+    }
+    len += SDL_strlen(append) + SDL_strlen(org) + SDL_strlen(app) + 3;
+    char *retval = (char *) SDL_malloc(len);
+    if (!retval) {
+        SDL_OutOfMemory();
+    } else {
+        if (*org) {
+            SDL_snprintf(retval, len, "%s%s%s/%s/", home, append, org, app);
+        } else {
+            SDL_snprintf(retval, len, "%s%s%s/", home, append, app);
+        }
+        create_directory(retval, 0700);  // Haiku api: creates missing dirs
+    }
+
+    return retval;
+}
+
+#endif /* SDL_FILESYSTEM_HAIKU */
+
+/* vi: set ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/filesystem/n3ds/SDL_sysfilesystem.c

@@ -0,0 +1,89 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#ifdef SDL_FILESYSTEM_N3DS
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
+#include <3ds.h>
+#include <dirent.h>
+#include <errno.h>
+
+#include "SDL_error.h"
+#include "SDL_filesystem.h"
+
+SDL_FORCE_INLINE char *MakePrefPath(const char *app);
+SDL_FORCE_INLINE int CreatePrefPathDir(const char *pref);
+
+char *SDL_GetBasePath(void)
+{
+    char *base_path = SDL_strdup("romfs:/");
+    return base_path;
+}
+
+char *SDL_GetPrefPath(const char *org, const char *app)
+{
+    char *pref_path = NULL;
+    if (!app) {
+        SDL_InvalidParamError("app");
+        return NULL;
+    }
+
+    pref_path = MakePrefPath(app);
+    if (!pref_path) {
+        return NULL;
+    }
+
+    if (CreatePrefPathDir(pref_path) < 0) {
+        SDL_free(pref_path);
+        return NULL;
+    }
+
+    return pref_path;
+}
+
+SDL_FORCE_INLINE char *
+MakePrefPath(const char *app)
+{
+    char *pref_path;
+    if (SDL_asprintf(&pref_path, "sdmc:/3ds/%s/", app) < 0) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+    return pref_path;
+}
+
+SDL_FORCE_INLINE int
+CreatePrefPathDir(const char *pref)
+{
+    int result = mkdir(pref, 0666);
+
+    if (result == -1 && errno != EEXIST) {
+        return SDL_SetError("Failed to create '%s' (%s)", pref, strerror(errno));
+    }
+    return 0;
+}
+
+#endif /* SDL_FILESYSTEM_N3DS */
+
+/* vi: set sts=4 ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/filesystem/nacl/SDL_sysfilesystem.c

@@ -0,0 +1,41 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+#include "SDL_error.h"
+#include "SDL_filesystem.h"
+
+#ifdef SDL_FILESYSTEM_NACL
+
+char *SDL_GetBasePath(void)
+{
+    SDL_Unsupported();
+    return NULL;
+}
+
+char *SDL_GetPrefPath(const char *org, const char *app)
+{
+    SDL_Unsupported();
+    return NULL;
+}
+
+#endif /* SDL_FILESYSTEM_NACL */
+
+/* vi: set ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/filesystem/os2/SDL_sysfilesystem.c

@@ -0,0 +1,129 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#ifdef SDL_FILESYSTEM_OS2
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
+#include "../../core/os2/SDL_os2.h"
+#include "SDL_error.h"
+#include "SDL_filesystem.h"
+
+#define INCL_DOSFILEMGR
+#define INCL_DOSPROCESS
+#define INCL_DOSMODULEMGR
+#define INCL_DOSERRORS
+#include <os2.h>
+
+
+char *SDL_GetBasePath(void)
+{
+    PTIB    tib;
+    PPIB    pib;
+    ULONG   ulRC = DosGetInfoBlocks(&tib, &pib);
+    PCHAR   pcEnd;
+    CHAR    acBuf[CCHMAXPATH];
+
+    if (ulRC != NO_ERROR) {
+        SDL_SetError("Can't get process information block (E%lu)", ulRC);
+        return NULL;
+    }
+
+    ulRC = DosQueryModuleName(pib->pib_hmte, sizeof(acBuf), acBuf);
+    if (ulRC != NO_ERROR) {
+        SDL_SetError("Can't query the module name (E%lu)", ulRC);
+        return NULL;
+    }
+
+    pcEnd = SDL_strrchr(acBuf, '\\');
+    if (pcEnd != NULL)
+        pcEnd[1] = '\0';
+    else {
+        if (acBuf[1] == ':') /* e.g. "C:FOO" */
+            acBuf[2] = '\0';
+        else {
+            SDL_SetError("No path in module name");
+            return NULL;
+        }
+    }
+
+    return OS2_SysToUTF8(acBuf);
+}
+
+char *SDL_GetPrefPath(const char *org, const char *app)
+{
+    PSZ     pszPath;
+    CHAR    acBuf[CCHMAXPATH];
+    int     lPosApp, lPosOrg;
+    PSZ     pszApp, pszOrg;
+
+    if (!app) {
+        SDL_InvalidParamError("app");
+        return NULL;
+    }
+
+    pszPath = SDL_getenv("HOME");
+    if (!pszPath) {
+        pszPath = SDL_getenv("ETC");
+        if (!pszPath) {
+            SDL_SetError("HOME or ETC environment not set");
+            return NULL;
+        }
+    }
+
+    if (!org) {
+        lPosApp = SDL_snprintf(acBuf, sizeof(acBuf) - 1, "%s", pszPath);
+    } else {
+        pszOrg = OS2_UTF8ToSys(org);
+        if (!pszOrg) {
+            SDL_OutOfMemory();
+            return NULL;
+        }
+        lPosApp = SDL_snprintf(acBuf, sizeof(acBuf) - 1, "%s\\%s", pszPath, pszOrg);
+        SDL_free(pszOrg);
+    }
+    if (lPosApp < 0)
+        return NULL;
+
+    DosCreateDir(acBuf, NULL);
+
+    pszApp = OS2_UTF8ToSys(app);
+    if (!pszApp) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    lPosOrg = SDL_snprintf(&acBuf[lPosApp], sizeof(acBuf) - lPosApp - 1, "\\%s", pszApp);
+    SDL_free(pszApp);
+    if (lPosOrg < 0)
+        return NULL;
+
+    DosCreateDir(acBuf, NULL);
+    *((PUSHORT)&acBuf[lPosApp + lPosOrg]) = (USHORT)'\0\\';
+
+    return OS2_SysToUTF8(acBuf);
+}
+
+#endif /* SDL_FILESYSTEM_OS2 */
+
+/* vi: set ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/filesystem/ps2/SDL_sysfilesystem.c

@@ -0,0 +1,110 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#include <sys/stat.h>
+#include <unistd.h>
+
+#if defined(SDL_FILESYSTEM_PS2)
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
+#include "SDL_error.h"
+#include "SDL_filesystem.h"
+
+char *SDL_GetBasePath(void)
+{
+    char *retval;
+    size_t len;
+    char cwd[FILENAME_MAX];
+
+    getcwd(cwd, sizeof(cwd));
+    len = SDL_strlen(cwd) + 1;
+    retval = (char *)SDL_malloc(len);
+    if (retval) {
+        SDL_memcpy(retval, cwd, len);
+    }
+
+    return retval;
+}
+
+/* Do a recursive mkdir of parents folders */
+static void recursive_mkdir(const char *dir)
+{
+    char tmp[FILENAME_MAX];
+    char *base = SDL_GetBasePath();
+    char *p = NULL;
+    size_t len;
+
+    snprintf(tmp, sizeof(tmp), "%s", dir);
+    len = strlen(tmp);
+    if (tmp[len - 1] == '/') {
+        tmp[len - 1] = 0;
+    }
+
+    for (p = tmp + 1; *p; p++) {
+        if (*p == '/') {
+            *p = 0;
+            // Just creating subfolders from current path
+            if (strstr(tmp, base) != NULL) {
+                mkdir(tmp, S_IRWXU);
+            }
+
+            *p = '/';
+        }
+    }
+
+    free(base);
+    mkdir(tmp, S_IRWXU);
+}
+
+char *SDL_GetPrefPath(const char *org, const char *app)
+{
+    char *retval = NULL;
+    size_t len;
+    char *base = SDL_GetBasePath();
+    if (!app) {
+        SDL_InvalidParamError("app");
+        return NULL;
+    }
+    if (!org) {
+        org = "";
+    }
+
+    len = SDL_strlen(base) + SDL_strlen(org) + SDL_strlen(app) + 4;
+    retval = (char *)SDL_malloc(len);
+
+    if (*org) {
+        SDL_snprintf(retval, len, "%s%s/%s/", base, org, app);
+    } else {
+        SDL_snprintf(retval, len, "%s%s/", base, app);
+    }
+    free(base);
+
+    recursive_mkdir(retval);
+
+    return retval;
+}
+
+#endif /* SDL_FILESYSTEM_PS2 */
+
+/* vi: set ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/filesystem/psp/SDL_sysfilesystem.c

@@ -0,0 +1,77 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#include <sys/stat.h>
+#include <unistd.h>
+
+#if defined(SDL_FILESYSTEM_PSP)
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
+#include "SDL_error.h"
+#include "SDL_filesystem.h"
+
+char *SDL_GetBasePath(void)
+{
+    char *retval = NULL;
+    size_t len;
+    char cwd[FILENAME_MAX];
+
+    getcwd(cwd, sizeof(cwd));
+    len = SDL_strlen(cwd) + 2;
+    retval = (char *)SDL_malloc(len);
+    SDL_snprintf(retval, len, "%s/", cwd);
+
+    return retval;
+}
+
+char *SDL_GetPrefPath(const char *org, const char *app)
+{
+    char *retval = NULL;
+    size_t len;
+    char *base = SDL_GetBasePath();
+    if (!app) {
+        SDL_InvalidParamError("app");
+        return NULL;
+    }
+    if (!org) {
+        org = "";
+    }
+
+    len = SDL_strlen(base) + SDL_strlen(org) + SDL_strlen(app) + 4;
+    retval = (char *)SDL_malloc(len);
+
+    if (*org) {
+        SDL_snprintf(retval, len, "%s%s/%s/", base, org, app);
+    } else {
+        SDL_snprintf(retval, len, "%s%s/", base, app);
+    }
+    free(base);
+
+    mkdir(retval, 0755);
+    return retval;
+}
+
+#endif /* SDL_FILESYSTEM_PSP */
+
+/* vi: set ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/filesystem/riscos/SDL_sysfilesystem.c

@@ -0,0 +1,208 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#ifdef SDL_FILESYSTEM_RISCOS
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
+#include <kernel.h>
+#include <swis.h>
+#include <unixlib/local.h>
+
+#include "SDL_error.h"
+#include "SDL_stdinc.h"
+#include "SDL_filesystem.h"
+
+/* Wrapper around __unixify_std that uses SDL's memory allocators */
+static char *SDL_unixify_std(const char *ro_path, char *buffer, size_t buf_len, int filetype)
+{
+    const char *const in_buf = buffer; /* = NULL if we allocate the buffer.  */
+
+    if (!buffer) {
+        /* This matches the logic in __unixify, with an additional byte for the
+         * extra path separator.
+         */
+        buf_len = SDL_strlen(ro_path) + 14 + 1;
+        buffer = SDL_malloc(buf_len);
+
+        if (!buffer) {
+            SDL_OutOfMemory();
+            return NULL;
+        }
+    }
+
+    if (!__unixify_std(ro_path, buffer, buf_len, filetype)) {
+        if (!in_buf) {
+            SDL_free(buffer);
+        }
+
+        SDL_SetError("Could not convert '%s' to a Unix-style path", ro_path);
+        return NULL;
+    }
+
+    /* HACK: It's necessary to add an extra path separator here since SDL's API
+     * requires it, however paths with trailing separators aren't normally valid
+     * on RISC OS.
+     */
+    if (__get_riscosify_control() & __RISCOSIFY_NO_PROCESS)
+        SDL_strlcat(buffer, ".", buf_len);
+    else
+        SDL_strlcat(buffer, "/", buf_len);
+
+    return buffer;
+}
+
+static char *canonicalisePath(const char *path, const char *pathVar)
+{
+    _kernel_oserror *error;
+    _kernel_swi_regs regs;
+    char *buf;
+
+    regs.r[0] = 37;
+    regs.r[1] = (int)path;
+    regs.r[2] = 0;
+    regs.r[3] = (int)pathVar;
+    regs.r[4] = 0;
+    regs.r[5] = 0;
+    error = _kernel_swi(OS_FSControl, &regs, &regs);
+    if (error) {
+        SDL_SetError("Couldn't canonicalise path: %s", error->errmess);
+        return NULL;
+    }
+
+    regs.r[5] = 1 - regs.r[5];
+    buf = SDL_malloc(regs.r[5]);
+    if (!buf) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+    regs.r[2] = (int)buf;
+    error = _kernel_swi(OS_FSControl, &regs, &regs);
+    if (error) {
+        SDL_SetError("Couldn't canonicalise path: %s", error->errmess);
+        SDL_free(buf);
+        return NULL;
+    }
+
+    return buf;
+}
+
+static _kernel_oserror *createDirectoryRecursive(char *path)
+{
+    char *ptr = NULL;
+    _kernel_oserror *error;
+    _kernel_swi_regs regs;
+    regs.r[0] = 8;
+    regs.r[1] = (int)path;
+    regs.r[2] = 0;
+
+    for (ptr = path + 1; *ptr; ptr++) {
+        if (*ptr == '.') {
+            *ptr = '\0';
+            error = _kernel_swi(OS_File, &regs, &regs);
+            *ptr = '.';
+            if (error) {
+                return error;
+            }
+        }
+    }
+    return _kernel_swi(OS_File, &regs, &regs);
+}
+
+char *SDL_GetBasePath(void)
+{
+    _kernel_swi_regs regs;
+    _kernel_oserror *error;
+    char *canon, *ptr, *retval;
+
+    error = _kernel_swi(OS_GetEnv, &regs, &regs);
+    if (error) {
+        return NULL;
+    }
+
+    canon = canonicalisePath((const char *)regs.r[0], "Run$Path");
+    if (!canon) {
+        return NULL;
+    }
+
+    /* chop off filename. */
+    ptr = SDL_strrchr(canon, '.');
+    if (ptr) {
+        *ptr = '\0';
+    }
+
+    retval = SDL_unixify_std(canon, NULL, 0, __RISCOSIFY_FILETYPE_NOTSPECIFIED);
+    SDL_free(canon);
+    return retval;
+}
+
+char *SDL_GetPrefPath(const char *org, const char *app)
+{
+    char *canon, *dir, *retval;
+    size_t len;
+    _kernel_oserror *error;
+
+    if (!app) {
+        SDL_InvalidParamError("app");
+        return NULL;
+    }
+    if (!org) {
+        org = "";
+    }
+
+    canon = canonicalisePath("<Choices$Write>", "Run$Path");
+    if (!canon) {
+        return NULL;
+    }
+
+    len = SDL_strlen(canon) + SDL_strlen(org) + SDL_strlen(app) + 4;
+    dir = (char *)SDL_malloc(len);
+    if (!dir) {
+        SDL_OutOfMemory();
+        SDL_free(canon);
+        return NULL;
+    }
+
+    if (*org) {
+        SDL_snprintf(dir, len, "%s.%s.%s", canon, org, app);
+    } else {
+        SDL_snprintf(dir, len, "%s.%s", canon, app);
+    }
+
+    SDL_free(canon);
+
+    error = createDirectoryRecursive(dir);
+    if (error) {
+        SDL_SetError("Couldn't create directory: %s", error->errmess);
+        SDL_free(dir);
+        return NULL;
+    }
+
+    retval = SDL_unixify_std(dir, NULL, 0, __RISCOSIFY_FILETYPE_NOTSPECIFIED);
+    SDL_free(dir);
+    return retval;
+}
+
+#endif /* SDL_FILESYSTEM_RISCOS */
+
+/* vi: set ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/filesystem/unix/SDL_sysfilesystem.c

@@ -0,0 +1,347 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#ifdef SDL_FILESYSTEM_UNIX
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <limits.h>
+#include <fcntl.h>
+
+#if defined(__FREEBSD__) || defined(__OPENBSD__)
+#include <sys/sysctl.h>
+#endif
+
+#include "SDL_error.h"
+#include "SDL_stdinc.h"
+#include "SDL_filesystem.h"
+#include "SDL_rwops.h"
+
+/* QNX's /proc/self/exefile is a text file and not a symlink. */
+#if !defined(__QNXNTO__)
+static char *readSymLink(const char *path)
+{
+    char *retval = NULL;
+    ssize_t len = 64;
+    ssize_t rc = -1;
+
+    while (1) {
+        char *ptr = (char *)SDL_realloc(retval, (size_t)len);
+        if (!ptr) {
+            SDL_OutOfMemory();
+            break;
+        }
+
+        retval = ptr;
+
+        rc = readlink(path, retval, len);
+        if (rc == -1) {
+            break; /* not a symlink, i/o error, etc. */
+        } else if (rc < len) {
+            retval[rc] = '\0'; /* readlink doesn't null-terminate. */
+            return retval;     /* we're good to go. */
+        }
+
+        len *= 2; /* grow buffer, try again. */
+    }
+
+    SDL_free(retval);
+    return NULL;
+}
+#endif
+
+
+#if defined(__OPENBSD__)
+static char *search_path_for_binary(const char *bin)
+{
+    char *envr = SDL_getenv("PATH");
+    size_t alloc_size;
+    char *exe = NULL;
+    char *start = envr;
+    char *ptr;
+
+    if (!envr) {
+        SDL_SetError("No $PATH set");
+        return NULL;
+    }
+
+    envr = SDL_strdup(envr);
+    if (!envr) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    SDL_assert(bin != NULL);
+
+    alloc_size = SDL_strlen(bin) + SDL_strlen(envr) + 2;
+    exe = (char *)SDL_malloc(alloc_size);
+
+    do {
+        ptr = SDL_strchr(start, ':'); /* find next $PATH separator. */
+        if (ptr != start) {
+            if (ptr) {
+                *ptr = '\0';
+            }
+
+            /* build full binary path... */
+            SDL_snprintf(exe, alloc_size, "%s%s%s", start, (ptr && (ptr[-1] == '/')) ? "" : "/", bin);
+
+            if (access(exe, X_OK) == 0) { /* Exists as executable? We're done. */
+                SDL_free(envr);
+                return exe;
+            }
+        }
+        start = ptr + 1; /* start points to beginning of next element. */
+    } while (ptr);
+
+    SDL_free(envr);
+    SDL_free(exe);
+
+    SDL_SetError("Process not found in $PATH");
+    return NULL; /* doesn't exist in path. */
+}
+#endif
+
+char *SDL_GetBasePath(void)
+{
+    char *retval = NULL;
+
+#if defined(__FREEBSD__)
+    char fullpath[PATH_MAX];
+    size_t buflen = sizeof(fullpath);
+    const int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
+    if (sysctl(mib, SDL_arraysize(mib), fullpath, &buflen, NULL, 0) != -1) {
+        retval = SDL_strdup(fullpath);
+        if (!retval) {
+            SDL_OutOfMemory();
+            return NULL;
+        }
+    }
+#endif
+#if defined(__OPENBSD__)
+    /* Please note that this will fail if the process was launched with a relative path and $PWD + the cwd have changed, or argv is altered. So don't do that. Or add a new sysctl to OpenBSD. */
+    char **cmdline;
+    size_t len;
+    const int mib[] = { CTL_KERN, KERN_PROC_ARGS, getpid(), KERN_PROC_ARGV };
+    if (sysctl(mib, 4, NULL, &len, NULL, 0) != -1) {
+        char *exe, *pwddst;
+        char *realpathbuf = (char *)SDL_malloc(PATH_MAX + 1);
+        if (!realpathbuf) {
+            SDL_OutOfMemory();
+            return NULL;
+        }
+
+        cmdline = SDL_malloc(len);
+        if (!cmdline) {
+            SDL_free(realpathbuf);
+            SDL_OutOfMemory();
+            return NULL;
+        }
+
+        sysctl(mib, 4, cmdline, &len, NULL, 0);
+
+        exe = cmdline[0];
+        pwddst = NULL;
+        if (SDL_strchr(exe, '/') == NULL) { /* not a relative or absolute path, check $PATH for it */
+            exe = search_path_for_binary(cmdline[0]);
+        } else {
+            if (exe && *exe == '.') {
+                const char *pwd = SDL_getenv("PWD");
+                if (pwd && *pwd) {
+                    SDL_asprintf(&pwddst, "%s/%s", pwd, exe);
+                }
+            }
+        }
+
+        if (exe) {
+            if (!pwddst) {
+                if (realpath(exe, realpathbuf) != NULL) {
+                    retval = realpathbuf;
+                }
+            } else {
+                if (realpath(pwddst, realpathbuf) != NULL) {
+                    retval = realpathbuf;
+                }
+                SDL_free(pwddst);
+            }
+
+            if (exe != cmdline[0]) {
+                SDL_free(exe);
+            }
+        }
+
+        if (!retval) {
+            SDL_free(realpathbuf);
+        }
+
+        SDL_free(cmdline);
+    }
+#endif
+
+    /* is a Linux-style /proc filesystem available? */
+    if (!retval && (access("/proc", F_OK) == 0)) {
+        /* !!! FIXME: after 2.0.6 ships, let's delete this code and just
+                      use the /proc/%llu version. There's no reason to have
+                      two copies of this plus all the #ifdefs. --ryan. */
+#if defined(__FREEBSD__)
+        retval = readSymLink("/proc/curproc/file");
+#elif defined(__NETBSD__)
+        retval = readSymLink("/proc/curproc/exe");
+#elif defined(__SOLARIS__)
+        retval = readSymLink("/proc/self/path/a.out");
+#elif defined(__QNXNTO__)
+        retval = SDL_LoadFile("/proc/self/exefile", NULL);
+#else
+        retval = readSymLink("/proc/self/exe"); /* linux. */
+        if (!retval) {
+            /* older kernels don't have /proc/self ... try PID version... */
+            char path[64];
+            const int rc = SDL_snprintf(path, sizeof(path),
+                                        "/proc/%llu/exe",
+                                        (unsigned long long)getpid());
+            if ((rc > 0) && (rc < sizeof(path))) {
+                retval = readSymLink(path);
+            }
+        }
+#endif
+    }
+
+#if defined(__SOLARIS__)  /* try this as a fallback if /proc didn't pan out */
+    if (!retval) {
+        const char *path = getexecname();
+        if ((path != NULL) && (path[0] == '/')) { /* must be absolute path... */
+            retval = SDL_strdup(path);
+            if (!retval) {
+                SDL_OutOfMemory();
+                return NULL;
+            }
+        }
+    }
+#endif
+
+    /* If we had access to argv[0] here, we could check it for a path,
+        or troll through $PATH looking for it, too. */
+
+    if (retval) { /* chop off filename. */
+        char *ptr = SDL_strrchr(retval, '/');
+        if (ptr) {
+            *(ptr + 1) = '\0';
+        } else { /* shouldn't happen, but just in case... */
+            SDL_free(retval);
+            retval = NULL;
+        }
+    }
+
+    if (retval) {
+        /* try to shrink buffer... */
+        char *ptr = (char *)SDL_realloc(retval, SDL_strlen(retval) + 1);
+        if (ptr) {
+            retval = ptr; /* oh well if it failed. */
+        }
+    }
+
+    return retval;
+}
+
+char *SDL_GetPrefPath(const char *org, const char *app)
+{
+    /*
+     * We use XDG's base directory spec, even if you're not on Linux.
+     *  This isn't strictly correct, but the results are relatively sane
+     *  in any case.
+     *
+     * http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
+     */
+    const char *envr = SDL_getenv("XDG_DATA_HOME");
+    const char *append;
+    char *retval = NULL;
+    char *ptr = NULL;
+    size_t len = 0;
+
+    if (!app) {
+        SDL_InvalidParamError("app");
+        return NULL;
+    }
+    if (!org) {
+        org = "";
+    }
+
+    if (!envr) {
+        /* You end up with "$HOME/.local/share/Game Name 2" */
+        envr = SDL_getenv("HOME");
+        if (!envr) {
+            /* we could take heroic measures with /etc/passwd, but oh well. */
+            SDL_SetError("neither XDG_DATA_HOME nor HOME environment is set");
+            return NULL;
+        }
+        append = "/.local/share/";
+    } else {
+        append = "/";
+    }
+
+    len = SDL_strlen(envr);
+    if (envr[len - 1] == '/') {
+        append += 1;
+    }
+
+    len += SDL_strlen(append) + SDL_strlen(org) + SDL_strlen(app) + 3;
+    retval = (char *)SDL_malloc(len);
+    if (!retval) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    if (*org) {
+        (void)SDL_snprintf(retval, len, "%s%s%s/%s/", envr, append, org, app);
+    } else {
+        (void)SDL_snprintf(retval, len, "%s%s%s/", envr, append, app);
+    }
+
+    for (ptr = retval + 1; *ptr; ptr++) {
+        if (*ptr == '/') {
+            *ptr = '\0';
+            if (mkdir(retval, 0700) != 0 && errno != EEXIST) {
+                goto error;
+            }
+            *ptr = '/';
+        }
+    }
+    if (mkdir(retval, 0700) != 0 && errno != EEXIST) {
+    error:
+        SDL_SetError("Couldn't create directory '%s': '%s'", retval, strerror(errno));
+        SDL_free(retval);
+        return NULL;
+    }
+
+    return retval;
+}
+
+#endif /* SDL_FILESYSTEM_UNIX */
+
+/* vi: set ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/filesystem/vita/SDL_sysfilesystem.c

@@ -0,0 +1,93 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#ifdef SDL_FILESYSTEM_VITA
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <psp2/io/stat.h>
+#include <sys/types.h>
+#include <limits.h>
+#include <fcntl.h>
+
+#include "SDL_error.h"
+#include "SDL_stdinc.h"
+#include "SDL_filesystem.h"
+#include "SDL_rwops.h"
+
+char *SDL_GetBasePath(void)
+{
+    const char *basepath = "app0:/";
+    char *retval = SDL_strdup(basepath);
+    return retval;
+}
+
+char *SDL_GetPrefPath(const char *org, const char *app)
+{
+    const char *envr = "ux0:/data/";
+    char *retval = NULL;
+    char *ptr = NULL;
+    size_t len = 0;
+
+    if (!app) {
+        SDL_InvalidParamError("app");
+        return NULL;
+    }
+    if (!org) {
+        org = "";
+    }
+
+    len = SDL_strlen(envr);
+
+    len += SDL_strlen(org) + SDL_strlen(app) + 3;
+    retval = (char *)SDL_malloc(len);
+    if (!retval) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    if (*org) {
+        SDL_snprintf(retval, len, "%s%s/%s/", envr, org, app);
+    } else {
+        SDL_snprintf(retval, len, "%s%s/", envr, app);
+    }
+
+    for (ptr = retval + 1; *ptr; ptr++) {
+        if (*ptr == '/') {
+            *ptr = '\0';
+            sceIoMkdir(retval, 0777);
+            *ptr = '/';
+        }
+    }
+    sceIoMkdir(retval, 0777);
+
+    return retval;
+}
+
+#endif /* SDL_FILESYSTEM_VITA */
+
+/* vi: set ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/filesystem/windows/SDL_sysfilesystem.c

@@ -0,0 +1,173 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#ifdef SDL_FILESYSTEM_WINDOWS
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
+#include "../../core/windows/SDL_windows.h"
+#include <shlobj.h>
+
+#include "SDL_error.h"
+#include "SDL_stdinc.h"
+#include "SDL_filesystem.h"
+
+char *SDL_GetBasePath(void)
+{
+    DWORD buflen = 128;
+    WCHAR *path = NULL;
+    char *retval = NULL;
+    DWORD len = 0;
+    int i;
+
+    while (SDL_TRUE) {
+        void *ptr = SDL_realloc(path, buflen * sizeof(WCHAR));
+        if (!ptr) {
+            SDL_free(path);
+            SDL_OutOfMemory();
+            return NULL;
+        }
+
+        path = (WCHAR *)ptr;
+
+        len = GetModuleFileNameW(NULL, path, buflen);
+        /* if it truncated, then len >= buflen - 1 */
+        /* if there was enough room (or failure), len < buflen - 1 */
+        if (len < buflen - 1) {
+            break;
+        }
+
+        /* buffer too small? Try again. */
+        buflen *= 2;
+    }
+
+    if (len == 0) {
+        SDL_free(path);
+        WIN_SetError("Couldn't locate our .exe");
+        return NULL;
+    }
+
+    for (i = len - 1; i > 0; i--) {
+        if (path[i] == '\\') {
+            break;
+        }
+    }
+
+    SDL_assert(i > 0);  /* Should have been an absolute path. */
+    path[i + 1] = '\0'; /* chop off filename. */
+
+    retval = WIN_StringToUTF8W(path);
+    SDL_free(path);
+
+    return retval;
+}
+
+char *SDL_GetPrefPath(const char *org, const char *app)
+{
+    /*
+     * Vista and later has a new API for this, but SHGetFolderPath works there,
+     *  and apparently just wraps the new API. This is the new way to do it:
+     *
+     *     SHGetKnownFolderPath(FOLDERID_RoamingAppData, KF_FLAG_CREATE,
+     *                          NULL, &wszPath);
+     */
+
+    WCHAR path[MAX_PATH];
+    char *retval = NULL;
+    WCHAR *worg = NULL;
+    WCHAR *wapp = NULL;
+    size_t new_wpath_len = 0;
+    BOOL api_result = FALSE;
+
+    if (!app) {
+        SDL_InvalidParamError("app");
+        return NULL;
+    }
+    if (!org) {
+        org = "";
+    }
+
+    if (!SUCCEEDED(SHGetFolderPathW(NULL, CSIDL_APPDATA | CSIDL_FLAG_CREATE, NULL, 0, path))) {
+        WIN_SetError("Couldn't locate our prefpath");
+        return NULL;
+    }
+
+    worg = WIN_UTF8ToStringW(org);
+    if (!worg) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    wapp = WIN_UTF8ToStringW(app);
+    if (!wapp) {
+        SDL_free(worg);
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    new_wpath_len = SDL_wcslen(worg) + SDL_wcslen(wapp) + SDL_wcslen(path) + 3;
+
+    if ((new_wpath_len + 1) > MAX_PATH) {
+        SDL_free(worg);
+        SDL_free(wapp);
+        WIN_SetError("Path too long.");
+        return NULL;
+    }
+
+    if (*worg) {
+        SDL_wcslcat(path, L"\\", SDL_arraysize(path));
+        SDL_wcslcat(path, worg, SDL_arraysize(path));
+    }
+    SDL_free(worg);
+
+    api_result = CreateDirectoryW(path, NULL);
+    if (api_result == FALSE) {
+        if (GetLastError() != ERROR_ALREADY_EXISTS) {
+            SDL_free(wapp);
+            WIN_SetError("Couldn't create a prefpath.");
+            return NULL;
+        }
+    }
+
+    SDL_wcslcat(path, L"\\", SDL_arraysize(path));
+    SDL_wcslcat(path, wapp, SDL_arraysize(path));
+    SDL_free(wapp);
+
+    api_result = CreateDirectoryW(path, NULL);
+    if (api_result == FALSE) {
+        if (GetLastError() != ERROR_ALREADY_EXISTS) {
+            WIN_SetError("Couldn't create a prefpath.");
+            return NULL;
+        }
+    }
+
+    SDL_wcslcat(path, L"\\", SDL_arraysize(path));
+
+    retval = WIN_StringToUTF8W(path);
+
+    return retval;
+}
+
+#endif /* SDL_FILESYSTEM_WINDOWS */
+
+/* vi: set ts=4 sw=4 expandtab: */

vendor/sdl-2.30.5/src/filesystem/winrt/SDL_sysfilesystem.cpp

@@ -0,0 +1,242 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+/* TODO, WinRT: remove the need to compile this with C++/CX (/ZW) extensions, and if possible, without C++ at all
+ */
+
+#ifdef __WINRT__
+
+extern "C" {
+#include "SDL_filesystem.h"
+#include "SDL_error.h"
+#include "SDL_hints.h"
+#include "SDL_stdinc.h"
+#include "SDL_system.h"
+#include "../../core/windows/SDL_windows.h"
+}
+
+#include <string>
+#include <unordered_map>
+
+using namespace std;
+using namespace Windows::Storage;
+
+extern "C" const wchar_t *
+SDL_WinRTGetFSPathUNICODE(SDL_WinRT_Path pathType)
+{
+    switch (pathType) {
+    case SDL_WINRT_PATH_INSTALLED_LOCATION:
+    {
+        static wstring path;
+        if (path.empty()) {
+#if defined(NTDDI_WIN10_19H1) && (NTDDI_VERSION >= NTDDI_WIN10_19H1) && (WINAPI_FAMILY == WINAPI_FAMILY_PC_APP) /* Only PC supports mods */
+            /* Windows 1903 supports mods, via the EffectiveLocation API */
+            if (Windows::Foundation::Metadata::ApiInformation::IsApiContractPresent("Windows.Foundation.UniversalApiContract", 8, 0)) {
+                path = Windows::ApplicationModel::Package::Current->EffectiveLocation->Path->Data();
+            } else {
+                path = Windows::ApplicationModel::Package::Current->InstalledLocation->Path->Data();
+            }
+#else
+            path = Windows::ApplicationModel::Package::Current->InstalledLocation->Path->Data();
+#endif
+        }
+        return path.c_str();
+    }
+
+    case SDL_WINRT_PATH_LOCAL_FOLDER:
+    {
+        static wstring path;
+        if (path.empty()) {
+            path = ApplicationData::Current->LocalFolder->Path->Data();
+        }
+        return path.c_str();
+    }
+
+#if !SDL_WINAPI_FAMILY_PHONE || (NTDDI_VERSION > NTDDI_WIN8)
+    case SDL_WINRT_PATH_ROAMING_FOLDER:
+    {
+        static wstring path;
+        if (path.empty()) {
+            path = ApplicationData::Current->RoamingFolder->Path->Data();
+        }
+        return path.c_str();
+    }
+
+    case SDL_WINRT_PATH_TEMP_FOLDER:
+    {
+        static wstring path;
+        if (path.empty()) {
+            path = ApplicationData::Current->TemporaryFolder->Path->Data();
+        }
+        return path.c_str();
+    }
+#endif
+
+    default:
+        break;
+    }
+
+    SDL_Unsupported();
+    return NULL;
+}
+
+extern "C" const char *
+SDL_WinRTGetFSPathUTF8(SDL_WinRT_Path pathType)
+{
+    typedef unordered_map<SDL_WinRT_Path, string> UTF8PathMap;
+    static UTF8PathMap utf8Paths;
+
+    UTF8PathMap::iterator searchResult = utf8Paths.find(pathType);
+    if (searchResult != utf8Paths.end()) {
+        return searchResult->second.c_str();
+    }
+
+    const wchar_t *ucs2Path = SDL_WinRTGetFSPathUNICODE(pathType);
+    if (!ucs2Path) {
+        return NULL;
+    }
+
+    char *utf8Path = WIN_StringToUTF8(ucs2Path);
+    utf8Paths[pathType] = utf8Path;
+    SDL_free(utf8Path);
+    return utf8Paths[pathType].c_str();
+}
+
+extern "C" char *
+SDL_GetBasePath(void)
+{
+    const char *srcPath = SDL_WinRTGetFSPathUTF8(SDL_WINRT_PATH_INSTALLED_LOCATION);
+    size_t destPathLen;
+    char *destPath = NULL;
+
+    if (!srcPath) {
+        SDL_SetError("Couldn't locate our basepath: %s", SDL_GetError());
+        return NULL;
+    }
+
+    destPathLen = SDL_strlen(srcPath) + 2;
+    destPath = (char *)SDL_malloc(destPathLen);
+    if (!destPath) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    SDL_snprintf(destPath, destPathLen, "%s\\", srcPath);
+    return destPath;
+}
+
+extern "C" char *
+SDL_GetPrefPath(const char *org, const char *app)
+{
+    /* WinRT note: The 'SHGetFolderPath' API that is used in Windows 7 and
+     * earlier is not available on WinRT or Windows Phone.  WinRT provides
+     * a similar API, but SHGetFolderPath can't be called, at least not
+     * without violating Microsoft's app-store requirements.
+     */
+
+    const WCHAR *srcPath = NULL;
+    WCHAR path[MAX_PATH];
+    char *retval = NULL;
+    WCHAR *worg = NULL;
+    WCHAR *wapp = NULL;
+    size_t new_wpath_len = 0;
+    BOOL api_result = FALSE;
+
+    if (!app) {
+        SDL_InvalidParamError("app");
+        return NULL;
+    }
+    if (!org) {
+        org = "";
+    }
+
+    srcPath = SDL_WinRTGetFSPathUNICODE(SDL_WINRT_PATH_LOCAL_FOLDER);
+    if (!srcPath) {
+        SDL_SetError("Unable to find a source path");
+        return NULL;
+    }
+
+    if (SDL_wcslen(srcPath) >= MAX_PATH) {
+        SDL_SetError("Path too long.");
+        return NULL;
+    }
+    SDL_wcslcpy(path, srcPath, SDL_arraysize(path));
+
+    worg = WIN_UTF8ToString(org);
+    if (!worg) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    wapp = WIN_UTF8ToString(app);
+    if (!wapp) {
+        SDL_free(worg);
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    new_wpath_len = SDL_wcslen(worg) + SDL_wcslen(wapp) + SDL_wcslen(path) + 3;
+
+    if ((new_wpath_len + 1) > MAX_PATH) {
+        SDL_free(worg);
+        SDL_free(wapp);
+        SDL_SetError("Path too long.");
+        return NULL;
+    }
+
+    if (*worg) {
+        SDL_wcslcat(path, L"\\", new_wpath_len + 1);
+        SDL_wcslcat(path, worg, new_wpath_len + 1);
+        SDL_free(worg);
+    }
+
+    api_result = CreateDirectoryW(path, NULL);
+    if (api_result == FALSE) {
+        if (GetLastError() != ERROR_ALREADY_EXISTS) {
+            SDL_free(wapp);
+            WIN_SetError("Couldn't create a prefpath.");
+            return NULL;
+        }
+    }
+
+    SDL_wcslcat(path, L"\\", new_wpath_len + 1);
+    SDL_wcslcat(path, wapp, new_wpath_len + 1);
+    SDL_free(wapp);
+
+    api_result = CreateDirectoryW(path, NULL);
+    if (api_result == FALSE) {
+        if (GetLastError() != ERROR_ALREADY_EXISTS) {
+            WIN_SetError("Couldn't create a prefpath.");
+            return NULL;
+        }
+    }
+
+    SDL_wcslcat(path, L"\\", new_wpath_len + 1);
+
+    retval = WIN_StringToUTF8(path);
+
+    return retval;
+}
+
+#endif /* __WINRT__ */
+
+/* vi: set ts=4 sw=4 expandtab: */