forked from acouzens/open5gs
87 lines
2.2 KiB
C
87 lines
2.2 KiB
C
/*
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* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
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*
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* This file is part of Open5GS.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "core-config-private.h"
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#include "ogs-core.h"
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char *ogs_env_get(const char *envvar)
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{
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#ifdef HAVE_GETENV
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return getenv(envvar);
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#else
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return NULL;
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#endif
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}
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int ogs_env_set(const char *envvar, const char *value)
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{
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#if defined(HAVE_SETENV)
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if (0 > setenv(envvar, value, 1)) {
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ogs_log_message(OGS_LOG_ERROR, ogs_errno, "setenv() failed");
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return OGS_ERROR;
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}
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return OGS_OK;
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#elif defined(HAVE_PUTENV)
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char buf[OGS_HUGE_LEN];
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if (ogs_snprintf(buf, OGS_HUGE_LEN, "%s=%s", envvar, value) < 0) {
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ogs_error("snprintf() failed");
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return OGS_ERROR;
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}
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if (0 > putenv(buf)) {
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ogs_log_message(OGS_LOG_ERROR, ogs_errno, "putenv() failed");
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return OGS_ERROR;
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}
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return OGS_OK;
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#else
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ogs_error("Not implemented");
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return OGS_ERROR;
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#endif
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}
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int ogs_env_delete(const char *envvar)
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{
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#ifdef HAVE_UNSETENV
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if (0 > unsetenv(envvar)) {
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ogs_error("unsetenv() failed");
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return OGS_ERROR;
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}
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return OGS_OK;
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#else
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/* hint: some platforms allow envvars to be unset via
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* putenv("varname")... that isn't Single Unix spec,
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* but if your platform doesn't have unsetenv() it is
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* worth investigating and potentially adding a
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* configure check to decide when to use that form of
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* putenv() here
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*/
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ogs_error("Not implemented");
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return OGS_ERROR;
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#endif
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}
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