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Add tests for posix_spawn_file_actions_add{chdir,fchdir}_np(3)

Browse Source 
Reviewed by:	kevans, ngie (previous version)
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D33143
This commit is contained in:
Konstantin Belousov 2021-11-28 02:55:26 +02:00
parent 78963d796d
commit f16ec9c6e3
1 changed files with 75 additions and 0 deletions
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75
contrib/netbsd-tests/lib/libc/gen/posix_spawn/t_fileactions.c
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@ -385,6 +385,79 @@ ATF_TC_BODY(t_spawn_empty_fileactions, tc)
ATF_REQUIRE(insize == outsize);
}
static const char bin_pwd[] = "/bin/pwd";
static void
t_spawn_chdir_impl(bool chdir)
{
int status, err, tmpdir_fd;
pid_t pid;
char * const args[2] = { __UNCONST("pwd"), NULL };
posix_spawn_file_actions_t fa;
FILE *f;
char read_pwd[128];
size_t ss;
static const char tmp_path[] = "/tmp";
unlink(TESTFILE);
posix_spawn_file_actions_init(&fa);
posix_spawn_file_actions_addopen(&fa, fileno(stdout),
TESTFILE, O_WRONLY | O_CREAT, 0600);
if (chdir) {
ATF_REQUIRE(posix_spawn_file_actions_addchdir_np(&fa,
tmp_path) == 0);
} else {
tmpdir_fd = open(tmp_path, O_DIRECTORY | O_RDONLY);
ATF_REQUIRE(tmpdir_fd > 0);
ATF_REQUIRE(posix_spawn_file_actions_addfchdir_np(&fa,
tmpdir_fd) == 0);
}
err = posix_spawn(&pid, bin_pwd, &fa, NULL, args, NULL);
posix_spawn_file_actions_destroy(&fa);
if (!chdir)
close(tmpdir_fd);
ATF_REQUIRE(err == 0);
waitpid(pid, &status, 0);
ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS);
f = fopen(TESTFILE, "r");
ATF_REQUIRE(f != NULL);
ss = fread(read_pwd, 1, sizeof(read_pwd), f);
fclose(f);
ATF_REQUIRE(ss == strlen(tmp_path) + 1);
ATF_REQUIRE(strncmp(read_pwd, tmp_path, strlen(tmp_path)) == 0);
}
ATF_TC(t_spawn_chdir);
ATF_TC_HEAD(t_spawn_chdir, tc)
{
atf_tc_set_md_var(tc, "descr",
"posix_spawn changes directory for the spawned program");
atf_tc_set_md_var(tc, "require.progs", bin_pwd);
}
ATF_TC_BODY(t_spawn_chdir, tc)
{
t_spawn_chdir_impl(true);
}
ATF_TC(t_spawn_fchdir);
ATF_TC_HEAD(t_spawn_fchdir, tc)
{
atf_tc_set_md_var(tc, "descr",
"posix_spawn changes directory for the spawned program");
atf_tc_set_md_var(tc, "require.progs", bin_pwd);
}
ATF_TC_BODY(t_spawn_fchdir, tc)
{
t_spawn_chdir_impl(false);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, t_spawn_fileactions);
@ -395,6 +468,8 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, t_spawn_reopen);
ATF_TP_ADD_TC(tp, t_spawn_openmode);
ATF_TP_ADD_TC(tp, t_spawn_empty_fileactions);
ATF_TP_ADD_TC(tp, t_spawn_chdir);
ATF_TP_ADD_TC(tp, t_spawn_fchdir);
return atf_no_error();
}