libbb: code shrink: introduce and use [_]exit_SUCCESS()

function                                             old     new   delta
exit_SUCCESS                                           -       7      +7
_exit_SUCCESS                                          -       7      +7
run_pipe                                            1562    1567      +5
pseudo_exec_argv                                     399     400      +1
finish                                                86      87      +1
start_stop_daemon_main                              1109    1107      -2
shutdown_on_signal                                    38      36      -2
runsv_main                                          1662    1660      -2
redirect                                            1070    1068      -2
read_line                                             79      77      -2
pause_and_low_level_reboot                            54      52      -2
list_i2c_busses_and_exit                             483     481      -2
less_exit                                             12      10      -2
identify                                            4123    4121      -2
grep_file                                           1161    1159      -2
getty_main                                          1519    1517      -2
fsck_minix_main                                     2681    2679      -2
free_session                                         132     130      -2
fdisk_main                                          4739    4737      -2
clean_up_and_exit                                     53      51      -2
bsd_select                                          1566    1564      -2
bb_daemonize_or_rexec                                198     196      -2
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 3/17 up/down: 21/-34)           Total: -13 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

5 files changed, 7 insertions, 7 deletions

diff --git a/miscutils/devfsd.c b/miscutils/devfsd.c
index e5bb8a2d8..839d00fd0 100644
--- a/miscutils/devfsd.c
+++ b/miscutils/devfsd.c
@@ -453,7 +453,7 @@ int devfsd_main(int argc, char **argv)
                                 DEVFSD_PROTOCOL_REVISION_DAEMON, bb_msg_proto_rev, proto_rev);
                 if (DEVFSD_PROTOCOL_REVISION_DAEMON != proto_rev)
                         bb_error_msg_and_die("%s mismatch!", bb_msg_proto_rev);
-                exit(EXIT_SUCCESS); /* -v */
+                exit_SUCCESS(); /* -v */
         }
         /*  Tell kernel we are special(i.e. we get to see hidden entries)  */
         xioctl(fd, DEVFSDIOC_SET_EVENT_MASK, 0);
@@ -474,7 +474,7 @@ int devfsd_main(int argc, char **argv)
         dir_operation(SERVICE, mount_point, 0, NULL);
 
         if (ENABLE_DEVFSD_FG_NP && no_polling)
-                exit(EXIT_SUCCESS);
+                exit_SUCCESS();
 
         if (ENABLE_DEVFSD_VERBOSE || ENABLE_DEBUG)
                 logmode = LOGMODE_BOTH;
diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c
index 01b4e8e2e..d8d8f6166 100644
--- a/miscutils/hdparm.c
+++ b/miscutils/hdparm.c
@@ -1271,7 +1271,7 @@ static void identify(uint16_t *val)
                 }
         }
 
-        exit(EXIT_SUCCESS);
+        exit_SUCCESS();
 }
 #endif
 
diff --git a/miscutils/i2c_tools.c b/miscutils/i2c_tools.c
index b25d49792..e3741eeba 100644
--- a/miscutils/i2c_tools.c
+++ b/miscutils/i2c_tools.c
@@ -1212,7 +1212,7 @@ static void NORETURN list_i2c_busses_and_exit(void)
                 }
         }
 
-        exit(EXIT_SUCCESS);
+        exit_SUCCESS();
 }
 
 static void NORETURN no_support(const char *cmd)
diff --git a/miscutils/less.c b/miscutils/less.c
index 6825e5577..82c4b21f0 100644
--- a/miscutils/less.c
+++ b/miscutils/less.c
@@ -333,10 +333,10 @@ static void restore_tty(void)
         clear_line();
 }
 
-static void less_exit(void)
+static NOINLINE void less_exit(void)
 {
         restore_tty();
-        exit(EXIT_SUCCESS);
+        exit_SUCCESS();
 }
 
 #if (ENABLE_FEATURE_LESS_DASHCMD && ENABLE_FEATURE_LESS_LINENUMS) \
diff --git a/miscutils/watchdog.c b/miscutils/watchdog.c
index d8e9c78f5..9f5a4b849 100644
--- a/miscutils/watchdog.c
+++ b/miscutils/watchdog.c
@@ -76,7 +76,7 @@ static void shutdown_on_signal(int sig UNUSED_PARAM)
 {
         remove_pidfile_std_path_and_ext("watchdog");
         shutdown_watchdog();
-        _exit(EXIT_SUCCESS);
+        _exit_SUCCESS();
 }
 
 static void watchdog_open(const char* device)