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Fixed coding style and building on older Windows SDKs

main
Sam Lantinga 2023-05-04 16:28:16 -07:00
parent 9b87de258f
commit e0e95b1ea9
1 changed files with 133 additions and 147 deletions
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280
src/filesystem/windows/SDL_sysfilesystem.c
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@ -26,17 +26,21 @@
/* System dependent filesystem routines */
#include "../../core/windows/SDL_windows.h"
#include <errhandlingapi.h>
#include <fileapi.h>
#include <shlobj.h>
#include <libloaderapi.h>
/* Lowercase is necessary for Wine */
#include <knownfolders.h>
#include <initguid.h>
#include <windows.h>
char *
SDL_GetBasePath(void)
/* These aren't all defined in older SDKs, so define them here */
DEFINE_KNOWN_FOLDER(SDL_FOLDERID_Profile, 0x5E6C858F, 0x0E22, 0x4760, 0x9A, 0xFE, 0xEA, 0x33, 0x17, 0xB6, 0x71, 0x73);
DEFINE_KNOWN_FOLDER(FOLDERID_Desktop, 0xB4BFCC3A, 0xDB2C, 0x424C, 0xB0, 0x29, 0x7F, 0xE9, 0x9A, 0x87, 0xC6, 0x41);
DEFINE_KNOWN_FOLDER(FOLDERID_Documents, 0xFDD39AD0, 0x238F, 0x46AF, 0xAD, 0xB4, 0x6C, 0x85, 0x48, 0x03, 0x69, 0xC7);
DEFINE_KNOWN_FOLDER(FOLDERID_Downloads, 0x374de290, 0x123f, 0x4565, 0x91, 0x64, 0x39, 0xc4, 0x92, 0x5e, 0x46, 0x7b);
DEFINE_KNOWN_FOLDER(FOLDERID_Music, 0x4BD8D571, 0x6D19, 0x48D3, 0xBE, 0x97, 0x42, 0x22, 0x20, 0x08, 0x0E, 0x43);
DEFINE_KNOWN_FOLDER(FOLDERID_Pictures, 0x33E28130, 0x4E1E, 0x4676, 0x83, 0x5A, 0x98, 0x39, 0x5C, 0x3B, 0xC3, 0xBB);
DEFINE_KNOWN_FOLDER(FOLDERID_SavedGames, 0x4c5c32ff, 0xbb9d, 0x43b0, 0xb5, 0xb4, 0x2d, 0x72, 0xe5, 0x4e, 0xaa, 0xa4);
DEFINE_KNOWN_FOLDER(FOLDERID_Screenshots, 0xb7bede81, 0xdf94, 0x4682, 0xa7, 0xd8, 0x57, 0xa5, 0x26, 0x20, 0xb8, 0x6f);
DEFINE_KNOWN_FOLDER(FOLDERID_Templates, 0xA63293E8, 0x664E, 0x48DB, 0xA0, 0x79, 0xDF, 0x75, 0x9E, 0x05, 0x09, 0xF7);
DEFINE_KNOWN_FOLDER(FOLDERID_Videos, 0x18989B1D, 0x99B5, 0x455B, 0x84, 0x1C, 0xAB, 0x7C, 0x74, 0xE4, 0xDD, 0xFC);
char *SDL_GetBasePath(void)
{
DWORD buflen = 128;
WCHAR *path = NULL;
@ -86,8 +90,7 @@ SDL_GetBasePath(void)
return retval;
}
char *
SDL_GetPrefPath(const char *org, const char *app)
char *SDL_GetPrefPath(const char *org, const char *app)
{
/*
* Vista and later has a new API for this, but SHGetFolderPath works there,
@ -173,71 +176,133 @@ SDL_GetPrefPath(const char *org, const char *app)
return retval;
}
char *
SDL_GetPath(SDL_Folder folder)
char *SDL_GetPath(SDL_Folder folder)
{
typedef HRESULT (*SHGKFP)(REFKNOWNFOLDERID, DWORD, HANDLE, PWSTR *);
char *retval;
typedef HRESULT (*pfnSHGetKnownFolderPath)(REFKNOWNFOLDERID, DWORD, HANDLE, PWSTR *);
HMODULE lib = LoadLibrary(L"Shell32.dll");
SHGKFP SHGetKnownFolderPath_ = (SHGKFP) GetProcAddress(lib,
"SHGetKnownFolderPath");
pfnSHGetKnownFolderPath pSHGetKnownFolderPath = NULL;
char *retval = NULL;
if (!SHGetKnownFolderPath_)
{
if (lib) {
pSHGetKnownFolderPath = (pfnSHGetKnownFolderPath)GetProcAddress(lib, "SHGetKnownFolderPath");
}
if (pSHGetKnownFolderPath) {
KNOWNFOLDERID type;
HRESULT result;
wchar_t *path;
switch (folder) {
case SDL_FOLDER_HOME:
type = FOLDERID_Profile;
break;
case SDL_FOLDER_DESKTOP:
type = FOLDERID_Desktop;
break;
case SDL_FOLDER_DOCUMENTS:
type = FOLDERID_Documents;
break;
case SDL_FOLDER_DOWNLOADS:
type = FOLDERID_Downloads;
break;
case SDL_FOLDER_MUSIC:
type = FOLDERID_Music;
break;
case SDL_FOLDER_PICTURES:
type = FOLDERID_Pictures;
break;
case SDL_FOLDER_PUBLICSHARE:
SDL_SetError("Public share unavailable on Windows");
goto done;
case SDL_FOLDER_SAVEDGAMES:
type = FOLDERID_SavedGames;
break;
case SDL_FOLDER_SCREENSHOTS:
type = FOLDERID_Screenshots;
break;
case SDL_FOLDER_TEMPLATES:
type = FOLDERID_Templates;
break;
case SDL_FOLDER_VIDEOS:
type = FOLDERID_Videos;
break;
default:
SDL_SetError("Invalid SDL_Folder: %d", (int)folder);
goto done;
};
result = pSHGetKnownFolderPath(&type, 0x00008000 /* KF_FLAG_CREATE */, NULL, &path);
if (SUCCEEDED(result)) {
retval = WIN_StringToUTF8W(path);
} else {
WIN_SetErrorFromHRESULT("Couldn't get folder", result);
}
} else {
int type;
HRESULT result;
wchar_t path[MAX_PATH];
wchar_t path[MAX_PATH];
switch (folder)
{
case SDL_FOLDER_HOME:
type = CSIDL_PROFILE;
break;
switch (folder) {
case SDL_FOLDER_HOME:
type = CSIDL_PROFILE;
break;
case SDL_FOLDER_DESKTOP:
type = CSIDL_DESKTOP;
break;
case SDL_FOLDER_DESKTOP:
type = CSIDL_DESKTOP;
break;
case SDL_FOLDER_DOCUMENTS:
type = CSIDL_MYDOCUMENTS;
break;
case SDL_FOLDER_DOCUMENTS:
type = CSIDL_MYDOCUMENTS;
break;
case SDL_FOLDER_DOWNLOADS:
SDL_SetError("Downloads folder unavailable before Vista");
return NULL;
case SDL_FOLDER_DOWNLOADS:
SDL_SetError("Downloads folder unavailable before Vista");
goto done;
case SDL_FOLDER_MUSIC:
type = CSIDL_MYMUSIC;
break;
case SDL_FOLDER_MUSIC:
type = CSIDL_MYMUSIC;
break;
case SDL_FOLDER_PICTURES:
type = CSIDL_MYPICTURES;
break;
case SDL_FOLDER_PICTURES:
type = CSIDL_MYPICTURES;
break;
case SDL_FOLDER_PUBLICSHARE:
SDL_SetError("Public share unavailable on Windows");
return NULL;
case SDL_FOLDER_PUBLICSHARE:
SDL_SetError("Public share unavailable on Windows");
goto done;
case SDL_FOLDER_SAVEDGAMES:
SDL_SetError("Saved games unavailable before Vista");
return NULL;
case SDL_FOLDER_SAVEDGAMES:
SDL_SetError("Saved games unavailable before Vista");
goto done;
case SDL_FOLDER_SCREENSHOTS:
SDL_SetError("Screenshots folder unavailable before Vista");
return NULL;
case SDL_FOLDER_SCREENSHOTS:
SDL_SetError("Screenshots folder unavailable before Vista");
goto done;
case SDL_FOLDER_TEMPLATES:
type = CSIDL_TEMPLATES;
break;
case SDL_FOLDER_TEMPLATES:
type = CSIDL_TEMPLATES;
break;
case SDL_FOLDER_VIDEOS:
type = CSIDL_MYVIDEO;
break;
case SDL_FOLDER_VIDEOS:
type = CSIDL_MYVIDEO;
break;
default:
SDL_SetError("Unsupported SDL_Folder on Windows before Vista: %d",
(int) folder);
return NULL;
default:
SDL_SetError("Unsupported SDL_Folder on Windows before Vista: %d",
(int)folder);
goto done;
};
/* Create the OS-specific folder if it doesn't already exist */
@ -252,98 +317,19 @@ SDL_GetPath(SDL_Folder folder)
available), available in Wine (tested 6.0.3) */
result = SHGetFolderPathW(NULL, type, NULL, SHGFP_TYPE_CURRENT, path);
/* use `!= TRUE` for SHGetSpecialFolderPath */
if (result != S_OK)
{
SDL_SetError("Couldn't get folder, windows-specific error: %ld",
result);
return NULL;
/* use `== TRUE` for SHGetSpecialFolderPath */
if (SUCCEEDED(result)) {
retval = WIN_StringToUTF8W(path);
} else {
WIN_SetErrorFromHRESULT("Couldn't get folder", result);
}
retval = (char *) SDL_malloc((SDL_wcslen(path) + 1) * 2);
if (retval == NULL)
{
SDL_OutOfMemory();
return NULL;
}
retval = WIN_StringToUTF8W(path);
return retval;
}
else
{
KNOWNFOLDERID type;
HRESULT result;
wchar_t *path;
switch (folder)
{
case SDL_FOLDER_HOME:
type = FOLDERID_Profile;
break;
case SDL_FOLDER_DESKTOP:
type = FOLDERID_Desktop;
break;
case SDL_FOLDER_DOCUMENTS:
type = FOLDERID_Documents;
break;
case SDL_FOLDER_DOWNLOADS:
type = FOLDERID_Downloads;
break;
case SDL_FOLDER_MUSIC:
type = FOLDERID_Music;
break;
case SDL_FOLDER_PICTURES:
type = FOLDERID_Pictures;
break;
case SDL_FOLDER_PUBLICSHARE:
SDL_SetError("Public share unavailable on Windows");
return NULL;
case SDL_FOLDER_SAVEDGAMES:
type = FOLDERID_SavedGames;
break;
case SDL_FOLDER_SCREENSHOTS:
type = FOLDERID_Screenshots;
break;
case SDL_FOLDER_TEMPLATES:
type = FOLDERID_Templates;
break;
case SDL_FOLDER_VIDEOS:
type = FOLDERID_Videos;
break;
default:
SDL_SetError("Invalid SDL_Folder: %d", (int) folder);
return NULL;
};
result = SHGetKnownFolderPath_(&type, KF_FLAG_CREATE, NULL, &path);
if (result != S_OK)
{
SDL_SetError("Couldn't get folder, windows-specific error: %ld",
result);
return NULL;
}
retval = (char *) SDL_malloc((SDL_wcslen(path) + 1) * 2);
if (retval == NULL)
{
SDL_OutOfMemory();
return NULL;
}
retval = WIN_StringToUTF8W(path);
return retval;
done:
if (lib) {
FreeLibrary(lib);
}
return retval;
}
#endif /* SDL_FILESYSTEM_WINDOWS */