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[KERNEL32]

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Properly fix GetEnvironmentVariableW and set error in case of RtlInitUnicodeStringEx failure

svn path=/trunk/; revision=54459
This commit is contained in:
Pierre Schweitzer 2011-11-20 17:00:39 +00:00
parent c1f9c89d62
commit 37bc0a5a08
1 changed files with 18 additions and 14 deletions
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10
reactos/dll/win32/kernel32/client/environ.c
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@ -182,10 +182,15 @@ GetEnvironmentVariableW(IN LPCWSTR lpName,
UniSize = UNICODE_STRING_MAX_BYTES - sizeof(UNICODE_NULL); UniSize = UNICODE_STRING_MAX_BYTES - sizeof(UNICODE_NULL);
} }
RtlInitEmptyUnicodeString(&VarValue, lpBuffer, UniSize);
Status = RtlInitUnicodeStringEx(&VarName, lpName); Status = RtlInitUnicodeStringEx(&VarName, lpName);
if (NT_SUCCESS(Status)) if (!NT_SUCCESS(Status))
{ {
BaseSetLastNTError(Status);
return 0;
}
RtlInitEmptyUnicodeString(&VarValue, lpBuffer, UniSize);
Status = RtlQueryEnvironmentVariable_U(NULL, &VarName, &VarValue); Status = RtlQueryEnvironmentVariable_U(NULL, &VarName, &VarValue);
if (!NT_SUCCESS(Status)) if (!NT_SUCCESS(Status))
{ {
@ -198,7 +203,6 @@ GetEnvironmentVariableW(IN LPCWSTR lpName,
} }
lpBuffer[VarValue.Length / sizeof(WCHAR)] = UNICODE_NULL; lpBuffer[VarValue.Length / sizeof(WCHAR)] = UNICODE_NULL;
}
return (VarValue.Length / sizeof(WCHAR)); return (VarValue.Length / sizeof(WCHAR));
} }