/// The cd builtin. Changes the current directory to the one specified or to $HOME if none is
/// specified. The directory can be relative to any directory in the CDPATH variable.
/// The cd builtin. Changes the current directory to the one specified or to $HOME if none is
/// specified. The directory can be relative to any directory in the CDPATH variable.
int builtin_cd(parser_t &parser, io_streams_t &streams, wchar_t **argv) {
const wchar_t *cmd = argv[0];
int argc = builtin_count_args(argv);
help_only_cmd_opts_t opts;
int optind;
int retval = parse_help_only_cmd_opts(opts, &optind, argc, argv, parser, streams);
if (retval != STATUS_CMD_OK) return retval;
if (opts.print_help) {
builtin_print_help(parser, streams, cmd, streams.out);
return STATUS_CMD_OK;
}
env_var_t dir_in;
wcstring dir;
if (argv[optind]) {
dir_in = env_var_t(L"", argv[optind]); // unamed var
} else {
auto maybe_dir_in = env_get(L"HOME");
if (maybe_dir_in.missing_or_empty()) {
streams.err.append_format(_(L"%ls: Could not find home directory\n"), cmd);
return STATUS_CMD_ERROR;
}
dir_in = std::move(*maybe_dir_in);
}
if (!path_get_cdpath(dir_in, &dir)) {
if (errno == ENOTDIR) {
streams.err.append_format(_(L"%ls: '%ls' is not a directory\n"), cmd,
dir_in.as_string().c_str());
} else if (errno == ENOENT) {
streams.err.append_format(_(L"%ls: The directory '%ls' does not exist\n"), cmd,
dir_in.as_string().c_str());
} else if (errno == EROTTEN) {
streams.err.append_format(_(L"%ls: '%ls' is a rotten symlink\n"), cmd,
dir_in.as_string().c_str());
} else {
streams.err.append_format(_(L"%ls: Unknown error trying to locate directory '%ls'\n"),
cmd, dir_in.as_string().c_str());
}
if (!shell_is_interactive()) streams.err.append(parser.current_line());
return STATUS_CMD_ERROR;
}
if (wchdir(dir) != 0) {
struct stat buffer;
int status;
status = wstat(dir, &buffer);
if (!status && S_ISDIR(buffer.st_mode)) {
streams.err.append_format(_(L"%ls: Permission denied: '%ls'\n"), cmd, dir.c_str());
} else {
streams.err.append_format(_(L"%ls: '%ls' is not a directory\n"), cmd, dir.c_str());
}
if (!shell_is_interactive()) {
streams.err.append(parser.current_line());
}
return STATUS_CMD_ERROR;
}
if (!env_set_pwd()) {
streams.err.append_format(_(L"%ls: Could not set PWD variable\n"), cmd);
return STATUS_CMD_ERROR;
}
return STATUS_CMD_OK;
}
/**
@SYMTestCaseID SYSLIB-STDLIB-CT-1092
@SYMTestCaseDesc Tests for operations on pipes
@SYMTestPriority High
@SYMTestActions Tests for command line arguments,directory operations,environment variables.
@SYMTestExpectedResults Test must not fail
@SYMREQ REQ0000
*/
int do_main(int argc, wchar_t* argv[])
{
test_Data;
int i;
wchar_t* var;
wchar_t* varname;
wchar_t cwd[MAXPATHLEN];
char buf[200];
char buf1[200];
test_Title("PIPE");
test_Next("Command line arguments");
test(argc>0);
test(argv!=0);
printf(" argc=%d\r\n", argc);
for (i=0; i<argc; i++)
{
test(argv[i]!=0);
test(-1 != wcstombs(buf, argv[i], sizeof(buf)));
printf(" argv[%d]=\"%s\" length %d\r\n", i, buf, strlen(buf));
}
printf("\r\n");
test_Next("Current working directory");
var=wgetcwd(cwd,sizeof(cwd)/2);
test(var==cwd);
test(-1 != wcstombs(buf, cwd, sizeof(buf)));
printf(" %s\r\n\n", buf);
test_Next("Change directory");
i=wchdir((wchar_t*)L"z:/system");
test(i==0);
var=wgetcwd(cwd,sizeof(cwd)/2);
test(var==cwd);
test(-1 != wcstombs(buf, cwd, sizeof(buf)));
printf(" %s\r\n\n", buf);
test_Next("Environment variables");
varname=(wchar_t*)L"CLASSPATH";
var=wgetenv(varname);
test(var!=0);
test(-1 != wcstombs(buf, var, sizeof(buf)));
test(-1 != wcstombs(buf1, varname, sizeof(buf1)));
printf(" %s=%s\r\n", buf1, buf);
varname=(wchar_t*)"VARIABLE2";
var=wgetenv(varname);
if (var!=0)
{
test(-1 != wcstombs(buf, var, sizeof(buf)));
test(-1 != wcstombs(buf1, varname, sizeof(buf1)));
printf(" %s=%s\r\n", buf1, buf);
wunsetenv((wchar_t*)"VARIABLE2");
}
varname=(wchar_t*)L"USER";
var=wgetenv(varname);
test(var!=0);
test(-1 != wcstombs(buf, var, sizeof(buf)));
test(-1 != wcstombs(buf1, varname, sizeof(buf1)));
printf(" %s=%s\r\n", buf1, buf);
sleep(5);
test_Close();
return 0;
}