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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/lib/libc/tests/stdlib/getenv_r_test.c
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/*-

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 * Copyright (c) 2025 Klara, Inc.

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 *

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 * SPDX-License-Identifier: BSD-2-Clause

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 */

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#include <errno.h>

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#include <stdlib.h>

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#include <string.h>

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#include <atf-c.h>

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ATF_TC_WITHOUT_HEAD(getenv_r_ok);

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ATF_TC_BODY(getenv_r_ok, tc)

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{

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	const char *ident = atf_tc_get_ident(tc);

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	char buf[256];

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	ATF_REQUIRE_EQ(0, setenv("ATF_TC_IDENT", ident, 1));

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	ATF_REQUIRE_EQ(0, getenv_r("ATF_TC_IDENT", buf, sizeof(buf)));

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	ATF_REQUIRE_STREQ(ident, buf);

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}

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ATF_TC_WITHOUT_HEAD(getenv_r_einval);

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ATF_TC_BODY(getenv_r_einval, tc)

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{

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	char buf[256];

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	errno = 0;

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	ATF_REQUIRE_EQ(-1, getenv_r(NULL, buf, sizeof(buf)));

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	ATF_REQUIRE_EQ(EINVAL, errno);

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	errno = 0;

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	ATF_REQUIRE_EQ(-1, getenv_r("", buf, sizeof(buf)));

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	ATF_REQUIRE_EQ(EINVAL, errno);

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	errno = 0;

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	ATF_REQUIRE_EQ(-1, getenv_r("A=B", buf, sizeof(buf)));

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	ATF_REQUIRE_EQ(EINVAL, errno);

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}

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ATF_TC_WITHOUT_HEAD(getenv_r_enoent);

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ATF_TC_BODY(getenv_r_enoent, tc)

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{

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	char buf[256];

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	errno = 0;

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	ATF_REQUIRE_EQ(-1, getenv_r("no such variable", buf, sizeof(buf)));

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	ATF_REQUIRE_EQ(ENOENT, errno);

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}

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ATF_TC_WITHOUT_HEAD(getenv_r_erange);

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ATF_TC_BODY(getenv_r_erange, tc)

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{

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	const char *ident = atf_tc_get_ident(tc);

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	char buf[256];

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	ATF_REQUIRE_EQ(0, setenv("ATF_TC_IDENT", ident, 1));

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	errno = 0;

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	ATF_REQUIRE_EQ(-1, getenv_r("ATF_TC_IDENT", buf, strlen(ident)));

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	ATF_REQUIRE_EQ(ERANGE, errno);

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}

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ATF_TP_ADD_TCS(tp)

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{

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	ATF_TP_ADD_TC(tp, getenv_r_ok);

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	ATF_TP_ADD_TC(tp, getenv_r_einval);

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	ATF_TP_ADD_TC(tp, getenv_r_enoent);

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	ATF_TP_ADD_TC(tp, getenv_r_erange);

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	return (atf_no_error());

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}

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