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/*-
* Copyright (c) 2014-2015 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)
{
WT_DECL_RET;
DWORD size;
*envp = NULL;
size = GetEnvironmentVariableA(variable, NULL, 0);
if (size <= 1)
return (WT_NOTFOUND);
WT_RET(__wt_calloc(session, 1, size, envp));
ret = GetEnvironmentVariableA(variable, *envp, size);
/* We expect the number of bytes not including nul terminator. */
if ((ret + 1) != size)
WT_RET_MSG(session, __wt_errno(),
"GetEnvironmentVariableA failed: %s", variable);
return (0);
}
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