src/filesystem/windows/SDL_sysfilesystem.c
author Alex Szpakowski <slime73@gmail.com>
Tue, 15 Jul 2014 02:01:43 -0300
branchiOS-improvements
changeset 9489 6cd0275146b3
parent 8589 65d0979cdf08
child 9619 b94b6d0bff0f
permissions -rw-r--r--
iOS now respects SDL_HINT_ACCELEROMETER_AS_JOYSTICK.
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
     4 
     5   This software is provided 'as-is', without any express or implied
     6   warranty.  In no event will the authors be held liable for any damages
     7   arising from the use of this software.
     8 
     9   Permission is granted to anyone to use this software for any purpose,
    10   including commercial applications, and to alter it and redistribute it
    11   freely, subject to the following restrictions:
    12 
    13   1. The origin of this software must not be misrepresented; you must not
    14      claim that you wrote the original software. If you use this software
    15      in a product, an acknowledgment in the product documentation would be
    16      appreciated but is not required.
    17   2. Altered source versions must be plainly marked as such, and must not be
    18      misrepresented as being the original software.
    19   3. This notice may not be removed or altered from any source distribution.
    20 */
    21 #include "../../SDL_internal.h"
    22 
    23 #ifdef SDL_FILESYSTEM_WINDOWS
    24 
    25 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
    26 /* System dependent filesystem routines                                */
    27 
    28 #include "../../core/windows/SDL_windows.h"
    29 #include <shlobj.h>
    30 
    31 #include "SDL_assert.h"
    32 #include "SDL_error.h"
    33 #include "SDL_stdinc.h"
    34 #include "SDL_filesystem.h"
    35 
    36 char *
    37 SDL_GetBasePath(void)
    38 {
    39     TCHAR path[MAX_PATH];
    40     const DWORD len = GetModuleFileName(NULL, path, SDL_arraysize(path));
    41     size_t i;
    42 
    43     SDL_assert(len < SDL_arraysize(path));
    44 
    45     if (len == 0) {
    46         WIN_SetError("Couldn't locate our .exe");
    47         return NULL;
    48     }
    49 
    50     for (i = len-1; i > 0; i--) {
    51         if (path[i] == '\\') {
    52             break;
    53         }
    54     }
    55 
    56     SDL_assert(i > 0); /* Should have been an absolute path. */
    57     path[i+1] = '\0';  /* chop off filename. */
    58     return WIN_StringToUTF8(path);
    59 }
    60 
    61 char *
    62 SDL_GetPrefPath(const char *org, const char *app)
    63 {
    64     /*
    65      * Vista and later has a new API for this, but SHGetFolderPath works there,
    66      *  and apparently just wraps the new API. This is the new way to do it:
    67      *
    68      *     SHGetKnownFolderPath(FOLDERID_RoamingAppData, KF_FLAG_CREATE,
    69      *                          NULL, &wszPath);
    70      */
    71 
    72     WCHAR path[MAX_PATH];
    73     char *retval = NULL;
    74     WCHAR* worg = NULL;
    75     WCHAR* wapp = NULL;
    76     size_t new_wpath_len = 0;
    77     BOOL api_result = FALSE;
    78 
    79     if (!SUCCEEDED(SHGetFolderPathW(NULL, CSIDL_APPDATA | CSIDL_FLAG_CREATE, NULL, 0, path))) {
    80         WIN_SetError("Couldn't locate our prefpath");
    81         return NULL;
    82     }
    83 
    84     worg = WIN_UTF8ToString(org);
    85     if (worg == NULL) {
    86         SDL_OutOfMemory();
    87         return NULL;
    88     }
    89 
    90     wapp = WIN_UTF8ToString(app);
    91     if (wapp == NULL) {
    92         SDL_free(worg);
    93         SDL_OutOfMemory();
    94         return NULL;
    95     }
    96 
    97     new_wpath_len = lstrlenW(worg) + lstrlenW(wapp) + lstrlenW(path) + 3;
    98 
    99     if ((new_wpath_len + 1) > MAX_PATH) {
   100         SDL_free(worg);
   101         SDL_free(wapp);
   102         WIN_SetError("Path too long.");
   103         return NULL;
   104     }
   105 
   106     lstrcatW(path, L"\\");
   107     lstrcatW(path, worg);
   108     SDL_free(worg);
   109 
   110     api_result = CreateDirectoryW(path, NULL);
   111     if (api_result == FALSE) {
   112         if (GetLastError() != ERROR_ALREADY_EXISTS) {
   113             SDL_free(wapp);
   114             WIN_SetError("Couldn't create a prefpath.");
   115             return NULL;
   116         }
   117     }
   118 
   119     lstrcatW(path, L"\\");
   120     lstrcatW(path, wapp);
   121     SDL_free(wapp);
   122 
   123     api_result = CreateDirectoryW(path, NULL);
   124     if (api_result == FALSE) {
   125         if (GetLastError() != ERROR_ALREADY_EXISTS) {
   126             WIN_SetError("Couldn't create a prefpath.");
   127             return NULL;
   128         }
   129     }
   130 
   131     lstrcatW(path, L"\\");
   132 
   133     retval = WIN_StringToUTF8(path);
   134 
   135     return retval;
   136 }
   137 
   138 #endif /* SDL_FILESYSTEM_WINDOWS */
   139 
   140 /* vi: set ts=4 sw=4 expandtab: */