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/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define APR_WANT_STRFUNC
#include "apr_want.h"
#include "apr.h"
#include "apr_private.h"
#include "apr_env.h"
#if APR_HAVE_UNISTD_H
#include <unistd.h>
#endif
#if APR_HAVE_STDLIB_H
#include <stdlib.h>
#endif
APR_DECLARE(apr_status_t) apr_env_get(char **value,
const char *envvar,
apr_pool_t *pool)
{
#ifdef HAVE_GETENV
char *val = getenv(envvar);
if (!val)
return APR_ENOENT;
*value = val;
return APR_SUCCESS;
#else
return APR_ENOTIMPL;
#endif
}
APR_DECLARE(apr_status_t) apr_env_set(const char *envvar,
const char *value,
apr_pool_t *pool)
{
#if defined(HAVE_SETENV)
if (0 > setenv(envvar, value, 1))
return APR_ENOMEM;
return APR_SUCCESS;
#elif defined(HAVE_PUTENV)
apr_size_t elen = strlen(envvar);
apr_size_t vlen = strlen(value);
char *env = apr_palloc(pool, elen + vlen + 2);
char *p = env + elen;
memcpy(env, envvar, elen);
*p++ = '=';
memcpy(p, value, vlen);
p[vlen] = '\0';
if (0 > putenv(env))
return APR_ENOMEM;
return APR_SUCCESS;
#else
return APR_ENOTIMPL;
#endif
}
APR_DECLARE(apr_status_t) apr_env_delete(const char *envvar, apr_pool_t *pool)
{
#ifdef HAVE_UNSETENV
unsetenv(envvar);
return APR_SUCCESS;
#else
/* hint: some platforms allow envvars to be unset via
* putenv("varname")... that isn't Single Unix spec,
* but if your platform doesn't have unsetenv() it is
* worth investigating and potentially adding a
* configure check to decide when to use that form of
* putenv() here
*/
return APR_ENOTIMPL;
#endif
}
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