From fc8af9ff3fbbbf21bf26f21d2eb100f26afc201a Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 15 Feb 2012 04:56:10 +0100
Subject: login: introduce sd_session_get_display()

---
 src/login/libsystemd-login.sym | 1 +
 src/login/sd-login.c           | 4 ++++
 src/login/test-login.c         | 6 +++++-
 3 files changed, 10 insertions(+), 1 deletion(-)

(limited to 'src/login')

diff --git a/src/login/libsystemd-login.sym b/src/login/libsystemd-login.sym
index 2ae376da44..a5e6c1e756 100644
--- a/src/login/libsystemd-login.sym
+++ b/src/login/libsystemd-login.sym
@@ -44,4 +44,5 @@ LIBSYSTEMD_LOGIN_43 {
 global:
         sd_session_get_type;
         sd_session_get_class;
+        sd_session_get_display;
 } LIBSYSTEMD_LOGIN_38;
diff --git a/src/login/sd-login.c b/src/login/sd-login.c
index c100a7b4f2..887c421009 100644
--- a/src/login/sd-login.c
+++ b/src/login/sd-login.c
@@ -475,6 +475,10 @@ _public_ int sd_session_get_class(const char *session, char **class) {
         return session_get_string(session, "CLASS", class);
 }
 
+_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) {
         char *p;
         int r;
diff --git a/src/login/test-login.c b/src/login/test-login.c
index 2aaa31f22f..dd8404285b 100644
--- a/src/login/test-login.c
+++ b/src/login/test-login.c
@@ -30,7 +30,7 @@
 int main(int argc, char* argv[]) {
         int r, k;
         uid_t u, u2;
-        char *seat, *type, *class;
+        char *seat, *type, *class, *display;
         char *session;
         char *state;
         char *session2;
@@ -83,6 +83,10 @@ int main(int argc, char* argv[]) {
         printf("class = %s\n", class);
         free(class);
 
+        assert_se(sd_session_get_display(session, &display) >= 0);
+        printf("display = %s\n", display);
+        free(display);
+
         assert_se(sd_session_get_seat(session, &seat) >= 0);
         printf("seat = %s\n", seat);
 
-- 
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