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/*-
* Copyright (c) 2014-2016 MongoDB, Inc.
* Copyright (c) 2008-2014 WiredTiger, Inc.
* All rights reserved.
*
* See the file LICENSE for redistribution information.
*/
#include "wt_internal.h"
/*
* __wt_getenv --
* Get a non-NULL, greater than zero-length environment variable.
*/
int
__wt_getenv(WT_SESSION_IMPL *session, const char *variable, const char **envp)
{
DWORD size, windows_error;
*envp = NULL;
if ((size = GetEnvironmentVariableA(variable, NULL, 0)) <= 1)
return (WT_NOTFOUND);
WT_RET(__wt_malloc(session, (size_t)size, envp));
/* We expect the number of bytes not including nul terminator. */
if (GetEnvironmentVariableA(variable, *envp, size) == size - 1)
return (0);
windows_error = __wt_getlasterror();
__wt_errx(session,
"GetEnvironmentVariableA: %s: %s",
variable, __wt_formatmessage(session, windows_error));
return (__wt_map_windows_error(windows_error));
}
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