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Handle file names like ./somename in SearchPath()

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svn path=/trunk/; revision=9959
This commit is contained in:
Gé van Geldorp 2004-07-01 22:35:35 +00:00
parent 820eaf8fce
commit 1c2af8076a
1 changed files with 107 additions and 62 deletions
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169
reactos/lib/kernel32/file/dir.c
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@ -1,4 +1,4 @@
/* $Id: dir.c,v 1.46 2004/06/28 19:46:17 navaraf Exp $
/* $Id: dir.c,v 1.47 2004/07/01 22:35:35 gvg Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
@ -753,75 +753,120 @@ SearchPathW (
PWCHAR EnvironmentBufferW = NULL;
PWCHAR AppPathW = NULL;
WCHAR Buffer;
//WCHAR drv[3];
BOOL HasExtension;
LPCWSTR p;
PWCHAR Name;
DPRINT("SearchPath\n");
if (lpPath == NULL)
HasExtension = FALSE;
p = lpFileName + wcslen(lpFileName);
while (lpFileName < p &&
L'\\' != *(p - 1) &&
L'/' != *(p - 1) &&
L':' != *(p - 1))
{
AppPathW = (PWCHAR) RtlAllocateHeap(GetProcessHeap(),
HEAP_GENERATE_EXCEPTIONS|HEAP_ZERO_MEMORY,
MAX_PATH * sizeof(WCHAR));
wcscat (AppPathW, NtCurrentPeb()->ProcessParameters->ImagePathName.Buffer);
len = wcslen (AppPathW);
while (len && AppPathW[len - 1] != L'\\')
len--;
if (len) AppPathW[len-1] = L'\0';
len = GetEnvironmentVariableW(L"PATH", &Buffer, 0);
len += 1 + GetCurrentDirectoryW(0, &Buffer);
len += 1 + GetSystemDirectoryW(&Buffer, 0);
len += 1 + GetWindowsDirectoryW(&Buffer, 0);
len += 1 + wcslen(AppPathW) * sizeof(WCHAR);
EnvironmentBufferW = (PWCHAR) RtlAllocateHeap(GetProcessHeap(),
HEAP_GENERATE_EXCEPTIONS|HEAP_ZERO_MEMORY,
len * sizeof(WCHAR));
if (EnvironmentBufferW == NULL)
HasExtension = HasExtension || L'.' == *(p - 1);
p--;
}
if (lpFileName < p)
{
if (HasExtension || NULL == lpExtension)
{
SetLastError(ERROR_OUTOFMEMORY);
return 0;
Name = (PWCHAR) lpFileName;
}
else
{
Name = RtlAllocateHeap(GetProcessHeap(),
HEAP_GENERATE_EXCEPTIONS,
(wcslen(lpFileName) + wcslen(lpExtension) + 1)
* sizeof(WCHAR));
if (NULL == Name)
{
SetLastError(ERROR_OUTOFMEMORY);
return 0;
}
wcscat(wcscpy(Name, lpFileName), lpExtension);
}
if (RtlDoesFileExists_U(Name))
{
retCode = RtlGetFullPathName_U (Name,
nBufferLength * sizeof(WCHAR),
lpBuffer,
lpFilePart);
}
if (Name != lpFileName)
{
RtlFreeHeap(GetProcessHeap(), 0, Name);
}
}
else
{
if (lpPath == NULL)
{
AppPathW = (PWCHAR) RtlAllocateHeap(GetProcessHeap(),
HEAP_GENERATE_EXCEPTIONS|HEAP_ZERO_MEMORY,
MAX_PATH * sizeof(WCHAR));
wcscat (AppPathW, NtCurrentPeb()->ProcessParameters->ImagePathName.Buffer);
len = wcslen (AppPathW);
while (len && AppPathW[len - 1] != L'\\')
len--;
if (len) AppPathW[len-1] = L'\0';
len = GetEnvironmentVariableW(L"PATH", &Buffer, 0);
len += 1 + GetCurrentDirectoryW(0, &Buffer);
len += 1 + GetSystemDirectoryW(&Buffer, 0);
len += 1 + GetWindowsDirectoryW(&Buffer, 0);
len += 1 + wcslen(AppPathW) * sizeof(WCHAR);
EnvironmentBufferW = (PWCHAR) RtlAllocateHeap(GetProcessHeap(),
HEAP_GENERATE_EXCEPTIONS|HEAP_ZERO_MEMORY,
len * sizeof(WCHAR));
if (EnvironmentBufferW == NULL)
{
SetLastError(ERROR_OUTOFMEMORY);
return 0;
}
pos = GetCurrentDirectoryW(len, EnvironmentBufferW);
EnvironmentBufferW[pos++] = L';';
EnvironmentBufferW[pos] = 0;
pos += GetSystemDirectoryW(&EnvironmentBufferW[pos], len - pos);
EnvironmentBufferW[pos++] = L';';
EnvironmentBufferW[pos] = 0;
pos += GetWindowsDirectoryW(&EnvironmentBufferW[pos], len - pos);
EnvironmentBufferW[pos++] = L';';
EnvironmentBufferW[pos] = 0;
pos += GetEnvironmentVariableW(L"PATH", &EnvironmentBufferW[pos], len - pos);
EnvironmentBufferW[pos++] = L';';
EnvironmentBufferW[pos] = 0;
wcscat (EnvironmentBufferW, AppPathW);
RtlFreeHeap (RtlGetProcessHeap (),
0,
AppPathW);
lpPath = EnvironmentBufferW;
}
pos = GetCurrentDirectoryW(len, EnvironmentBufferW);
EnvironmentBufferW[pos++] = L';';
EnvironmentBufferW[pos] = 0;
pos += GetSystemDirectoryW(&EnvironmentBufferW[pos], len - pos);
EnvironmentBufferW[pos++] = L';';
EnvironmentBufferW[pos] = 0;
pos += GetWindowsDirectoryW(&EnvironmentBufferW[pos], len - pos);
EnvironmentBufferW[pos++] = L';';
EnvironmentBufferW[pos] = 0;
pos += GetEnvironmentVariableW(L"PATH", &EnvironmentBufferW[pos], len - pos);
EnvironmentBufferW[pos++] = L';';
EnvironmentBufferW[pos] = 0;
wcscat (EnvironmentBufferW, AppPathW);
retCode = RtlDosSearchPath_U ((PWCHAR)lpPath, (PWCHAR)lpFileName, (PWCHAR)lpExtension,
nBufferLength * sizeof(WCHAR), lpBuffer, lpFilePart);
RtlFreeHeap (RtlGetProcessHeap (),
0,
AppPathW);
lpPath = EnvironmentBufferW;
}
retCode = RtlDosSearchPath_U ((PWCHAR)lpPath, (PWCHAR)lpFileName, (PWCHAR)lpExtension,
nBufferLength * sizeof(WCHAR), lpBuffer, lpFilePart);
if (EnvironmentBufferW != NULL)
{
RtlFreeHeap(GetProcessHeap(), 0, EnvironmentBufferW);
}
if (retCode == 0)
{
SetLastError(ERROR_FILE_NOT_FOUND);
if (EnvironmentBufferW != NULL)
{
RtlFreeHeap(GetProcessHeap(), 0, EnvironmentBufferW);
}
if (retCode == 0)
{
SetLastError(ERROR_FILE_NOT_FOUND);
}
}
return retCode / sizeof(WCHAR);
}