[PATCH 1/2] attrib: Avoid crash when called without parameter.

[Bernhard Übelacker]

If attrib is called without any parameter the variable originalname
is used uninitialized.

Signed-off-by: Bernhard Übelacker <bernhardu at mailbox.org>
---
C:\>attrib
wine: Unhandled page fault on write access to 000000007B027406 at address 0000000000402937 (thread 0110), starting debugger...
Unhandled exception: page fault on write access to 0x7b027406 in 64-bit code (0x0000000000402937).
...
Backtrace:
=>0 0x0000000000402937 wmain+0x197(argc=<is not available>, argv=<is not available>) [Z:\home\bernhard\data\entwicklung\2021\wine\wine-git\wine-git\programs\attrib\attrib.c:295] in attrib (0x0000000000000000)
  1 0x0000000000403455 wmainCRTStartup+0x64() [Z:\home\bernhard\data\entwicklung\2021\wine\wine-git\wine-git\dlls\msvcrt\crt_wmain.c:58] in attrib (0x0000000000000000)
  2 0x000000007b62c7a9 BaseThreadInitThunk+0x8(unknown=<is not available>, entry=<is not available>, arg=<is not available>) [Z:\home\bernhard\data\entwicklung\2021\wine\wine-git\wine-git\dlls\kernel32\thread.c:61] in kernel32 (0x0000000000000000)
  3 0x000000007bc56ee3 RtlUserThreadStart+0x82(entry=0x4033f0, arg=0x3f0000) [Z:\home\bernhard\data\entwicklung\2021\wine\wine-git\wine-git\dlls\ntdll\thread.c:241] in ntdll (0x0000000000000000)
0x0000000000402937 wmain+0x197 [Z:\home\bernhard\data\entwicklung\2021\wine\wine-git\wine-git\programs\attrib\attrib.c:295] in attrib: movw     %r15w,(%r8)
295             *namepart = 0;
---
 programs/attrib/attrib.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/programs/attrib/attrib.c b/programs/attrib/attrib.c
index 4813443449b..4ebcd2b8024 100644
--- a/programs/attrib/attrib.c
+++ b/programs/attrib/attrib.c
@@ -236,7 +236,7 @@ static BOOL ATTRIB_processdirectory(const WCHAR *rootdir, const WCHAR *filespec,
 int __cdecl wmain(int argc, WCHAR *argv[])
 {
     WCHAR name[MAX_PATH];
-    WCHAR *namepart;
+    WCHAR *namepart = 0;
     WCHAR curdir[MAX_PATH];
     WCHAR originalname[MAX_PATH];
     DWORD attrib_set = 0;
@@ -252,7 +252,8 @@ int __cdecl wmain(int argc, WCHAR *argv[])
     }
 
     /* By default all files from current directory are taken into account */
-    lstrcpyW(name, L"*");
+    GetCurrentDirectoryW(ARRAY_SIZE(originalname), originalname);
+    lstrcatW(originalname, L"\\*");
 
     while (i < argc) {
         WCHAR *param = argv[i++];
-- 
2.30.2