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Fix Windows version of __PHYSFS_platformCalcUserDir after Update 1809

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This commit is contained in:
Joel Schumacher
2018-10-03 20:02:59 +02:00
parent 0499f03891
commit 9a9ac96c4b
1 changed files with 8 additions and 2 deletions
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src/libraries/physfs/physfs_platform_windows.c
+8 -2
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@@ -566,7 +566,6 @@ char *__PHYSFS_platformCalcUserDir(void)
else
{
DWORD psize = 0;
WCHAR dummy = 0;
LPWSTR wstr = NULL;
BOOL rc = 0;
@@ -575,7 +574,14 @@ char *__PHYSFS_platformCalcUserDir(void)
* psize. Also note that the second parameter can't be
* NULL or the function fails.
*/
rc = pGetDir(accessToken, &dummy, &psize);
/*
* EDIT: (03.10.2018) after Windows 10 Update 1809 psize will be zero
* if something other than NULL is passed for the second argument.
* Passing NULL now makes GetUserProfileDirectoryW fail (rc == 0)
* and psize receives the correct user directory length.
* It seems to work fine on Windows 7 and Windows 10 Update 1803 too
*/
rc = pGetDir(accessToken, NULL, &psize);
GOTO_IF(rc, PHYSFS_ERR_OS_ERROR, done); /* should have failed! */
/* Allocate memory for the profile directory */