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shlwapi: Support NT prefix paths in PathGetDriveNumberW.

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Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2017-10-09 23:57:53 +02:00 committed by Alexandre Julliard
parent 63d6dce047
commit 62c4ffb4d6
2 changed files with 29 additions and 9 deletions
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26
dlls/shlwapi/path.c
View File

@ -538,17 +538,25 @@ int WINAPI PathGetDriveNumberA(LPCSTR lpszPath)
*
* See PathGetDriveNumberA.
*/
int WINAPI PathGetDriveNumberW(LPCWSTR lpszPath)
int WINAPI PathGetDriveNumberW(const WCHAR *path)
{
TRACE ("(%s)\n",debugstr_w(lpszPath));
WCHAR drive;
if (lpszPath)
{
WCHAR tl = tolowerW(lpszPath[0]);
if (tl >= 'a' && tl <= 'z' && lpszPath[1] == ':')
return tl - 'a';
}
return -1;
static const WCHAR nt_prefixW[] = {'\\','\\','?','\\'};
TRACE("(%s)\n", debugstr_w(path));
if (!path)
return -1;
if (!strncmpW(path, nt_prefixW, 4))
path += 4;
drive = tolowerW(path[0]);
if (drive < 'a' || drive > 'z' || path[1] != ':')
return -1;
return drive - 'a';
}
/*************************************************************************

12
dlls/shlwapi/tests/path.c
View File

@ -1429,6 +1429,11 @@ static void test_PathGetDriveNumber(void)
static const CHAR test2A[] = "file:////b:\\test.file";
static const CHAR test3A[] = "file:///c:\\test.file";
static const CHAR test4A[] = "file:\\\\c:\\test.file";
static const CHAR test5A[] = "\\\\?\\C:\\dir\\file.txt";
static const WCHAR test1W[] =
{'a',':','\\',0};
static const WCHAR test5W[] =
{'\\','\\','?','\\','C',':','\\','d','i','r','\\','f','i','l','e',0};
int ret;
SetLastError(0xdeadbeef);
@ -1438,12 +1443,19 @@ static void test_PathGetDriveNumber(void)
ret = PathGetDriveNumberA(test1A);
ok(ret == 0, "got %d\n", ret);
ret = PathGetDriveNumberW(test1W);
ok(ret == 0, "got %d\n", ret);
ret = PathGetDriveNumberA(test2A);
ok(ret == -1, "got %d\n", ret);
ret = PathGetDriveNumberA(test3A);
ok(ret == -1, "got %d\n", ret);
ret = PathGetDriveNumberA(test4A);
ok(ret == -1, "got %d\n", ret);
ret = PathGetDriveNumberA(test5A);
ok(ret == -1, "got %d\n", ret);
ret = PathGetDriveNumberW(test5W);
ok(ret == 2 || broken(ret == -1) /* winxp */, "got = %d\n", ret);
}
static void test_PathUnExpandEnvStrings(void)