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msi: Simplify and clean up ACTION_RecurseSearchDirectory.

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James Hawkins 2008-10-20 04:20:10 -05:00 committed by Alexandre Julliard
parent 29c0836fcc
commit 2e17638dc4
1 changed files with 49 additions and 48 deletions
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97
dlls/msi/appsearch.c
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@ -727,13 +727,16 @@ static UINT ACTION_FileMatchesSig(const MSISIGNATURE *sig,
static UINT ACTION_RecurseSearchDirectory(MSIPACKAGE *package, LPWSTR *appValue,
MSISIGNATURE *sig, LPCWSTR dir, int depth)
{
static const WCHAR starDotStarW[] = { '*','.','*',0 };
HANDLE hFind;
WIN32_FIND_DATAW findData;
UINT rc = ERROR_SUCCESS;
size_t dirLen = lstrlenW(dir), fileLen = lstrlenW(sig->File);
WCHAR *buf;
static const WCHAR starDotStarW[] = { '*','.','*',0 };
TRACE("Searching directory %s for file %s, depth %d\n", debugstr_w(dir),
debugstr_w(sig->File), depth);
debugstr_w(sig->File), depth);
if (depth < 0)
return ERROR_INVALID_PARAMETER;
@ -744,62 +747,60 @@ static UINT ACTION_RecurseSearchDirectory(MSIPACKAGE *package, LPWSTR *appValue,
* isn't backslash-terminated.
*/
buf = msi_alloc( (dirLen + max(fileLen, lstrlenW(starDotStarW)) + 2) * sizeof(WCHAR));
if (buf)
{
/* a depth of 0 implies we should search dir, so go ahead and search */
HANDLE hFind;
WIN32_FIND_DATAW findData;
if (!buf)
return ERROR_OUTOFMEMORY;
lstrcpyW(buf, dir);
PathAddBackslashW(buf);
lstrcatW(buf, sig->File);
hFind = FindFirstFileW(buf, &findData);
if (hFind != INVALID_HANDLE_VALUE)
{
BOOL matches;
/* assuming Signature can't contain wildcards for the file name,
* so don't bother with FindNextFileW here.
*/
rc = ACTION_FileMatchesSig(sig, &findData, buf, &matches);
if (rc == ERROR_SUCCESS && matches)
{
TRACE("found file, returning %s\n", debugstr_w(buf));
*appValue = buf;
}
FindClose(hFind);
}
if (rc == ERROR_SUCCESS && !*appValue && depth > 0)
{
lstrcpyW(buf, dir);
PathAddBackslashW(buf);
lstrcatW(buf, starDotStarW);
memcpy(buf, dir, dirLen * sizeof(WCHAR));
if (buf[dirLen - 1] != '\\')
buf[dirLen++ - 1] = '\\';
memcpy(buf + dirLen, sig->File, (fileLen + 1) * sizeof(WCHAR));
hFind = FindFirstFileW(buf, &findData);
if (hFind != INVALID_HANDLE_VALUE)
{
BOOL matches;
if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
rc = ACTION_RecurseSearchDirectory(package, appValue, sig,
findData.cFileName,
depth - 1);
/* assuming Signature can't contain wildcards for the file name,
* so don't bother with FindNextFileW here.
*/
if (!(rc = ACTION_FileMatchesSig(sig, &findData, buf, &matches))
&& matches)
{
TRACE("found file, returning %s\n", debugstr_w(buf));
*appValue = buf;
}
FindClose(hFind);
}
if (rc == ERROR_SUCCESS && !*appValue && depth > 0)
{
HANDLE hFind;
WIN32_FIND_DATAW findData;
memcpy(buf, dir, dirLen * sizeof(WCHAR));
if (buf[dirLen - 1] != '\\')
buf[dirLen++ - 1] = '\\';
lstrcpyW(buf + dirLen, starDotStarW);
hFind = FindFirstFileW(buf, &findData);
if (hFind != INVALID_HANDLE_VALUE)
while (rc == ERROR_SUCCESS && !*appValue &&
FindNextFileW(hFind, &findData) != 0)
{
if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
rc = ACTION_RecurseSearchDirectory(package, appValue, sig,
findData.cFileName, depth - 1);
while (rc == ERROR_SUCCESS && !*appValue &&
FindNextFileW(hFind, &findData) != 0)
{
if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
rc = ACTION_RecurseSearchDirectory(package, appValue,
sig, findData.cFileName, depth - 1);
}
FindClose(hFind);
rc = ACTION_RecurseSearchDirectory(package, appValue,
sig, findData.cFileName,
depth - 1);
}
FindClose(hFind);
}
if (!*appValue)
msi_free(buf);
}
else
rc = ERROR_OUTOFMEMORY;
if (!*appValue)
msi_free(buf);
return rc;
}