From 9645be0af1b1d5cb0ad5892d5464e1b23c51b550 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Sat, 11 May 2019 22:54:56 +0800
Subject: *init
---
.../src/filesystem/windows/SDL_sysfilesystem.c | 192 +++++++++++++++++++++
1 file changed, 192 insertions(+)
create mode 100644 source/3rd-party/SDL2/src/filesystem/windows/SDL_sysfilesystem.c
(limited to 'source/3rd-party/SDL2/src/filesystem/windows')
diff --git a/source/3rd-party/SDL2/src/filesystem/windows/SDL_sysfilesystem.c b/source/3rd-party/SDL2/src/filesystem/windows/SDL_sysfilesystem.c
new file mode 100644
index 0000000..5219789
--- /dev/null
+++ b/source/3rd-party/SDL2/src/filesystem/windows/SDL_sysfilesystem.c
@@ -0,0 +1,192 @@
+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2018 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_assert.h"
+#include "SDL_error.h"
+#include "SDL_stdinc.h"
+#include "SDL_filesystem.h"
+
+char *
+SDL_GetBasePath(void)
+{
+ typedef DWORD (WINAPI *GetModuleFileNameExW_t)(HANDLE, HMODULE, LPWSTR, DWORD);
+ GetModuleFileNameExW_t pGetModuleFileNameExW;
+ DWORD buflen = 128;
+ WCHAR *path = NULL;
+ HANDLE psapi = LoadLibrary(L"psapi.dll");
+ char *retval = NULL;
+ DWORD len = 0;
+ int i;
+
+ if (!psapi) {
+ WIN_SetError("Couldn't load psapi.dll");
+ return NULL;
+ }
+
+ pGetModuleFileNameExW = (GetModuleFileNameExW_t)GetProcAddress(psapi, "GetModuleFileNameExW");
+ if (!pGetModuleFileNameExW) {
+ WIN_SetError("Couldn't find GetModuleFileNameExW");
+ FreeLibrary(psapi);
+ return NULL;
+ }
+
+ while (SDL_TRUE) {
+ void *ptr = SDL_realloc(path, buflen * sizeof (WCHAR));
+ if (!ptr) {
+ SDL_free(path);
+ FreeLibrary(psapi);
+ SDL_OutOfMemory();
+ return NULL;
+ }
+
+ path = (WCHAR *) ptr;
+
+ len = pGetModuleFileNameExW(GetCurrentProcess(), NULL, path, buflen);
+ if (len != buflen) {
+ break;
+ }
+
+ /* buffer too small? Try again. */
+ buflen *= 2;
+ }
+
+ FreeLibrary(psapi);
+
+ 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_StringToUTF8(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_UTF8ToString(org);
+ if (worg == NULL) {
+ SDL_OutOfMemory();
+ return NULL;
+ }
+
+ wapp = WIN_UTF8ToString(app);
+ if (wapp == NULL) {
+ SDL_free(worg);
+ SDL_OutOfMemory();
+ return NULL;
+ }
+
+ new_wpath_len = lstrlenW(worg) + lstrlenW(wapp) + lstrlenW(path) + 3;
+
+ if ((new_wpath_len + 1) > MAX_PATH) {
+ SDL_free(worg);
+ SDL_free(wapp);
+ WIN_SetError("Path too long.");
+ return NULL;
+ }
+
+ if (*worg) {
+ lstrcatW(path, L"\\");
+ lstrcatW(path, worg);
+ }
+ 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;
+ }
+ }
+
+ lstrcatW(path, L"\\");
+ lstrcatW(path, wapp);
+ 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;
+ }
+ }
+
+ lstrcatW(path, L"\\");
+
+ retval = WIN_StringToUTF8(path);
+
+ return retval;
+}
+
+#endif /* SDL_FILESYSTEM_WINDOWS */
+
+/* vi: set ts=4 sw=4 expandtab: */
--
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