Merge pull request #2495 from heftig/master

[thirdparty/systemd.git] / src / login / logind-seat.c

diff --git a/src/login/logind-seat.c b/src/login/logind-seat.c
index 495ec50be06d21e1da86505f5c394b01c78b53af..b5192320e4827373794806c87b1f1e99e48559a3 100644 (file)
--- a/src/login/logind-seat.c
+++ b/src/login/logind-seat.c
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
 /***
   This file is part of systemd.
 
@@ -20,17 +18,24 @@
 ***/
 
 #include <errno.h>
-#include <unistd.h>
 #include <fcntl.h>
 #include <string.h>
+#include <unistd.h>
 
 #include "sd-messages.h"
-#include "logind-seat.h"
+
+#include "alloc-util.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "formats-util.h"
 #include "logind-acl.h"
-#include "util.h"
+#include "logind-seat.h"
 #include "mkdir.h"
-#include "formats-util.h"
+#include "parse-util.h"
+#include "stdio-util.h"
+#include "string-util.h"
 #include "terminal-util.h"
+#include "util.h"
 
 Seat *seat_new(Manager *m, const char *id) {
         Seat *s;
@@ -93,11 +98,11 @@ int seat_save(Seat *s) {
 
         r = mkdir_safe_label("/run/systemd/seats", 0755, 0, 0);
         if (r < 0)
-                goto finish;
+                goto fail;
 
         r = fopen_temporary(s->state_file, &f, &temp_path);
         if (r < 0)
-                goto finish;
+                goto fail;
 
         fchmod(fileno(f), 0644);
 
@@ -141,19 +146,24 @@ int seat_save(Seat *s) {
                                 i->sessions_by_seat_next ? ' ' : '\n');
         }
 
-        fflush(f);
+        r = fflush_and_check(f);
+        if (r < 0)
+                goto fail;
 
-        if (ferror(f) || rename(temp_path, s->state_file) < 0) {
+        if (rename(temp_path, s->state_file) < 0) {
                 r = -errno;
-                unlink(s->state_file);
-                unlink(temp_path);
+                goto fail;
         }
 
-finish:
-        if (r < 0)
-                log_error_errno(r, "Failed to save seat data %s: %m", s->state_file);
+        return 0;
 
-        return r;
+fail:
+        (void) unlink(s->state_file);
+
+        if (temp_path)
+                (void) unlink(temp_path);
+
+        return log_error_errno(r, "Failed to save seat data %s: %m", s->state_file);
 }
 
 int seat_load(Seat *s) {
@@ -170,7 +180,7 @@ static int vt_allocate(unsigned int vtnr) {
 
         assert(vtnr >= 1);
 
-        snprintf(p, sizeof(p), "/dev/tty%u", vtnr);
+        xsprintf(p, "/dev/tty%u", vtnr);
         fd = open_terminal(p, O_RDWR|O_NOCTTY|O_CLOEXEC);
         if (fd < 0)
                 return -errno;