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Expand the value if we have a REG_EXPAND_SZ entry

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svn path=/trunk/; revision=20299
This commit is contained in:
Hervé Poussineau 2005-12-22 13:54:07 +00:00
parent d86cf51518
commit 9b36d74ce9
1 changed files with 21 additions and 3 deletions
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24
reactos/subsys/system/services/config.c
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@ -231,6 +231,8 @@ ScmReadString(HKEY hServiceKey,
DWORD dwError;
DWORD dwSize;
DWORD dwType;
DWORD dwSizeNeeded;
LPWSTR expanded = NULL;
LPBYTE ptr = NULL;
*lpValue = NULL;
@ -260,9 +262,22 @@ ScmReadString(HKEY hServiceKey,
if (dwType == REG_EXPAND_SZ)
{
/* FIXME: ... */
DPRINT1("Expand me!\n");
*lpValue = (LPWSTR)ptr;
/* Expand the value... */
dwSizeNeeded = ExpandEnvironmentStringsW((LPCWSTR)ptr, NULL, 0);
if (dwSizeNeeded == 0)
{
dwError = GetLastError();
goto done;
}
expanded = HeapAlloc(GetProcessHeap(), 0, dwSizeNeeded);
if (dwSizeNeeded < ExpandEnvironmentStringsW((LPCWSTR)ptr, expanded, dwSizeNeeded))
{
dwError = GetLastError();
goto done;
}
*lpValue = expanded;
HeapFree(GetProcessHeap(), 0, ptr);
dwError = ERROR_SUCCESS;
}
else
{
@ -271,7 +286,10 @@ ScmReadString(HKEY hServiceKey,
done:;
if (dwError != ERROR_SUCCESS)
{
HeapFree(GetProcessHeap(), 0, ptr);
HeapFree(GetProcessHeap(), 0, expanded);
}
return dwError;
}