shared: add terminal-util.[ch]

1 files changed, 84 insertions, 0 deletions

diff --git a/src/test/test-terminal-util.c b/src/test/test-terminal-util.c
new file mode 100644
index 0000000000..d81fdb9923
--- /dev/null
+++ b/src/test/test-terminal-util.c
@@ -0,0 +1,84 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+  Copyright 2013 Thomas H.P. Andersen
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdio.h>
+#include <stdbool.h>
+
+#include "terminal-util.h"
+#include "macro.h"
+#include "util.h"
+#include "log.h"
+
+static void test_default_term_for_tty(void) {
+        puts(default_term_for_tty("/dev/tty23"));
+        puts(default_term_for_tty("/dev/ttyS23"));
+        puts(default_term_for_tty("/dev/tty0"));
+        puts(default_term_for_tty("/dev/pty0"));
+        puts(default_term_for_tty("/dev/pts/0"));
+        puts(default_term_for_tty("/dev/console"));
+        puts(default_term_for_tty("tty23"));
+        puts(default_term_for_tty("ttyS23"));
+        puts(default_term_for_tty("tty0"));
+        puts(default_term_for_tty("pty0"));
+        puts(default_term_for_tty("pts/0"));
+        puts(default_term_for_tty("console"));
+}
+
+static void test_read_one_char(void) {
+        _cleanup_fclose_ FILE *file = NULL;
+        char r;
+        bool need_nl;
+        char name[] = "/tmp/test-read_one_char.XXXXXX";
+        int fd;
+
+        fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+        assert_se(fd >= 0);
+        file = fdopen(fd, "r+");
+        assert_se(file);
+        assert_se(fputs("c\n", file) >= 0);
+        rewind(file);
+
+        assert_se(read_one_char(file, &r, 1000000, &need_nl) >= 0);
+        assert_se(!need_nl);
+        assert_se(r == 'c');
+        assert_se(read_one_char(file, &r, 1000000, &need_nl) < 0);
+
+        rewind(file);
+        assert_se(fputs("foobar\n", file) >= 0);
+        rewind(file);
+        assert_se(read_one_char(file, &r, 1000000, &need_nl) < 0);
+
+        rewind(file);
+        assert_se(fputs("\n", file) >= 0);
+        rewind(file);
+        assert_se(read_one_char(file, &r, 1000000, &need_nl) < 0);
+
+        unlink(name);
+}
+
+int main(int argc, char *argv[]) {
+        log_parse_environment();
+        log_open();
+
+        test_default_term_for_tty();
+        test_read_one_char();
+
+        return 0;
+}