Copyright 2011 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ 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
- General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
return r;
}
-_public_ int sd_session_get_seat(const char *session, char **seat) {
+static int session_get_string(const char *session, const char *field, char **value) {
char *p, *s = NULL;
int r;
- if (!seat)
+ if (!value)
return -EINVAL;
r = file_of_session(session, &p);
if (r < 0)
return r;
- r = parse_env_file(p, NEWLINE, "SEAT", &s, NULL);
+ r = parse_env_file(p, NEWLINE, field, &s, NULL);
free(p);
if (r < 0) {
if (isempty(s))
return -ENOENT;
- *seat = s;
+ *value = s;
return 0;
}
-_public_ int sd_session_get_service(const char *session, char **service) {
- char *p, *s = NULL;
- int r;
-
- if (!service)
- return -EINVAL;
-
- r = file_of_session(session, &p);
- if (r < 0)
- return r;
+_public_ int sd_session_get_seat(const char *session, char **seat) {
+ return session_get_string(session, "SEAT", seat);
+}
- r = parse_env_file(p, NEWLINE, "SERVICE", &s, NULL);
- free(p);
+_public_ int sd_session_get_service(const char *session, char **service) {
+ return session_get_string(session, "SERVICE", service);
+}
- if (r < 0) {
- free(s);
- return r;
- }
+_public_ int sd_session_get_type(const char *session, char **type) {
+ return session_get_string(session, "TYPE", type);
+}
- if (isempty(s))
- return -ENOENT;
+_public_ int sd_session_get_class(const char *session, char **class) {
+ return session_get_string(session, "CLASS", class);
+}
- *service = s;
- return 0;
+_public_ int sd_session_get_display(const char *session, char **display) {
+ return session_get_string(session, "DISPLAY", display);
}
static int file_of_seat(const char *seat, char **_p) {