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RtlGetFullPathName_U() is supposed to check the parameter buf, it could be NULL

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svn path=/trunk/; revision=8695
This commit is contained in:
Thomas Bluemel 2004-03-13 22:23:14 +00:00
parent 1bc3d1b4ed
commit ea0774aba3
1 changed files with 11 additions and 6 deletions
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17
reactos/lib/ntdll/rtl/path.c
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@ -1,4 +1,4 @@
/* $Id: path.c,v 1.26 2003/11/30 20:48:07 gdalsnes Exp $ /* $Id: path.c,v 1.27 2004/03/13 22:23:14 weiden Exp $
* *
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries * PROJECT: ReactOS system libraries
@ -575,7 +575,8 @@ RtlGetFullPathName_U(PWSTR DosName,
len--; len--;
if (FilePart) if (FilePart)
*FilePart = NULL; *FilePart = NULL;
*buf = 0; if (buf)
*buf = 0;
CHECKPOINT; CHECKPOINT;
/* check for DOS device name */ /* check for DOS device name */
@ -586,8 +587,11 @@ CHECKPOINT;
sz &= 0x0000FFFF; sz &= 0x0000FFFF;
if (sz + 8 >= size) if (sz + 8 >= size)
return sz + 10; return sz + 10;
wcscpy (buf, L"\\\\.\\"); if (buf)
wcsncat (buf, DosName + offs, sz / sizeof(WCHAR)); {
wcscpy (buf, L"\\\\.\\");
wcsncat (buf, DosName + offs, sz / sizeof(WCHAR));
}
return sz + 8; return sz + 8;
} }
@ -721,10 +725,11 @@ CHECKPOINT;
if (len < (size / sizeof(WCHAR))) if (len < (size / sizeof(WCHAR)))
{ {
memcpy (buf, TempFullPathName, (len + 1) * sizeof(WCHAR)); if (buf)
memcpy (buf, TempFullPathName, (len + 1) * sizeof(WCHAR));
/* find file part */ /* find file part */
if (FilePart) if (FilePart && buf)
{ {
#if 0 #if 0
*FilePart = wcsrchr(buf, L'\\'); *FilePart = wcsrchr(buf, L'\\');