add -fvisibility=hidden to CC flags, mark XXX_main functions

EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so

25 files changed, 28 insertions, 28 deletions

diff --git a/miscutils/adjtimex.c b/miscutils/adjtimex.c
index b11807d75..67dd0a93b 100644
--- a/miscutils/adjtimex.c
+++ b/miscutils/adjtimex.c
@@ -43,7 +43,7 @@ static const char *const ret_code_descript[] = {
 	"clock not synchronized"
 };
 
-int adjtimex_main(int argc, char **argv);
+int adjtimex_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int adjtimex_main(int argc, char **argv)
 {
 	enum {
diff --git a/miscutils/bbconfig.c b/miscutils/bbconfig.c
index 803d1d94b..ee566788b 100644
--- a/miscutils/bbconfig.c
+++ b/miscutils/bbconfig.c
@@ -4,7 +4,7 @@
 #include "libbb.h"
 #include "bbconfigopts.h"
 
-int bbconfig_main(int argc, char **argv);
+int bbconfig_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int bbconfig_main(int argc, char **argv)
 {
 	printf(bbconfig_config);
diff --git a/miscutils/chrt.c b/miscutils/chrt.c
index 1f5465c40..418e7ae79 100644
--- a/miscutils/chrt.c
+++ b/miscutils/chrt.c
@@ -41,8 +41,8 @@ static void show_min_max(int pol)
 #define OPT_f (1<<3)
 #define OPT_o (1<<4)
 
-int chrt_main(int argc, char** argv);
-int chrt_main(int argc, char** argv)
+int chrt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int chrt_main(int argc, char **argv)
 {
 	pid_t pid = 0;
 	unsigned opt;
diff --git a/miscutils/crond.c b/miscutils/crond.c
index fa7b3da08..8ee7e5837 100644
--- a/miscutils/crond.c
+++ b/miscutils/crond.c
@@ -128,7 +128,7 @@ static void crondlog(const char *ctl, ...)
 	}
 }
 
-int crond_main(int ac, char **av);
+int crond_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int crond_main(int ac, char **av)
 {
 	unsigned opt;
diff --git a/miscutils/crontab.c b/miscutils/crontab.c
index 1b827d791..6d245da90 100644
--- a/miscutils/crontab.c
+++ b/miscutils/crontab.c
@@ -31,7 +31,7 @@ static void EditFile(const char *user, const char *file);
 static int GetReplaceStream(const char *user, const char *file);
 static int ChangeUser(const char *user, short dochdir);
 
-int crontab_main(int ac, char **av);
+int crontab_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int crontab_main(int ac, char **av)
 {
 	enum { NONE, EDIT, LIST, REPLACE, DELETE } option = NONE;
diff --git a/miscutils/dc.c b/miscutils/dc.c
index ced5149df..ffc3f8df4 100644
--- a/miscutils/dc.c
+++ b/miscutils/dc.c
@@ -197,7 +197,7 @@ static int number_of_tokens(char *buffer)
 	return i;
 }
 
-int dc_main(int argc, char **argv);
+int dc_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int dc_main(int argc, char **argv)
 {
 	/* take stuff from stdin if no args are given */
diff --git a/miscutils/devfsd.c b/miscutils/devfsd.c
index 734d4a7d9..cd94869ae 100644
--- a/miscutils/devfsd.c
+++ b/miscutils/devfsd.c
@@ -336,7 +336,7 @@ static unsigned int scan_dev_name(const char *d, unsigned int n, const char *ptr
 
 /*  Public functions follow  */
 
-int devfsd_main(int argc, char **argv);
+int devfsd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int devfsd_main(int argc, char **argv)
 {
 	int print_version = FALSE;
diff --git a/miscutils/eject.c b/miscutils/eject.c
index e66d74e70..99f01aba9 100644
--- a/miscutils/eject.c
+++ b/miscutils/eject.c
@@ -25,7 +25,7 @@
 #define FLAG_CLOSE  1
 #define FLAG_SMART  2
 
-int eject_main(int argc, char **argv);
+int eject_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int eject_main(int argc, char **argv)
 {
 	unsigned long flags;
diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c
index 365e24cba..869a5b246 100644
--- a/miscutils/hdparm.c
+++ b/miscutils/hdparm.c
@@ -2005,7 +2005,7 @@ static const char hdparm_options[] ALIGN1 =
 /*-------------------------------------*/
 
 /* our main() routine: */
-int hdparm_main(int argc, char **argv);
+int hdparm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int hdparm_main(int argc, char **argv)
 {
 	int c;
diff --git a/miscutils/last.c b/miscutils/last.c
index f38c4b878..fc5916ec2 100644
--- a/miscutils/last.c
+++ b/miscutils/last.c
@@ -26,7 +26,7 @@
 #error struct utmp member char[] size(s) have changed!
 #endif
 
-int last_main(int argc, char **argv);
+int last_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int last_main(int argc, char **argv)
 {
 	struct utmp ut;
diff --git a/miscutils/less.c b/miscutils/less.c
index b1e5ce93f..5ffebcd6d 100644
--- a/miscutils/less.c
+++ b/miscutils/less.c
@@ -1311,7 +1311,7 @@ static void sig_catcher(int sig ATTRIBUTE_UNUSED)
 	exit(1);
 }
 
-int less_main(int argc, char **argv);
+int less_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int less_main(int argc, char **argv)
 {
 	int keypress;
diff --git a/miscutils/makedevs.c b/miscutils/makedevs.c
index d36c6956a..1f88f3428 100644
--- a/miscutils/makedevs.c
+++ b/miscutils/makedevs.c
@@ -10,7 +10,7 @@
 #include "libbb.h"
 
 #if ENABLE_FEATURE_MAKEDEVS_LEAF
-int makedevs_main(int argc, char **argv);
+int makedevs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int makedevs_main(int argc, char **argv)
 {
 	mode_t mode;
@@ -69,7 +69,7 @@ int makedevs_main(int argc, char **argv)
 
 /* Licensed under the GPL v2 or later, see the file LICENSE in this tarball. */
 
-int makedevs_main(int argc, char **argv);
+int makedevs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int makedevs_main(int argc, char **argv)
 {
 	FILE *table = stdin;
diff --git a/miscutils/microcom.c b/miscutils/microcom.c
index e097dc437..1235f0634 100644
--- a/miscutils/microcom.c
+++ b/miscutils/microcom.c
@@ -9,7 +9,7 @@
  */
 #include "libbb.h"
 
-int microcom_main(int argc, char **argv);
+int microcom_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int microcom_main(int argc, char **argv)
 {
 	struct pollfd pfd[2];
diff --git a/miscutils/mountpoint.c b/miscutils/mountpoint.c
index 376bd9531..5647e4c5b 100644
--- a/miscutils/mountpoint.c
+++ b/miscutils/mountpoint.c
@@ -11,7 +11,7 @@
 
 #include "libbb.h"
 
-int mountpoint_main(int argc, char **argv);
+int mountpoint_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mountpoint_main(int argc, char **argv)
 {
 	struct stat st;
diff --git a/miscutils/mt.c b/miscutils/mt.c
index b9bc2a11b..be1f21a12 100644
--- a/miscutils/mt.c
+++ b/miscutils/mt.c
@@ -50,7 +50,7 @@ static const struct mt_opcodes opcodes[] = {
 	{0, 0}
 };
 
-int mt_main(int argc, char **argv);
+int mt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mt_main(int argc, char **argv)
 {
 	const char *file = "/dev/tape";
diff --git a/miscutils/raidautorun.c b/miscutils/raidautorun.c
index edcb6d66d..2766245db 100644
--- a/miscutils/raidautorun.c
+++ b/miscutils/raidautorun.c
@@ -13,7 +13,7 @@
 #include <linux/major.h>
 #include <linux/raid/md_u.h>
 
-int raidautorun_main(int argc, char **argv);
+int raidautorun_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int raidautorun_main(int argc, char **argv)
 {
 	if (argc != 2)
diff --git a/miscutils/readahead.c b/miscutils/readahead.c
index 103ce8e5d..647eb3121 100644
--- a/miscutils/readahead.c
+++ b/miscutils/readahead.c
@@ -12,7 +12,7 @@
 
 #include "libbb.h"
 
-int readahead_main(int argc, char **argv);
+int readahead_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int readahead_main(int argc, char **argv)
 {
 	FILE *f;
diff --git a/miscutils/runlevel.c b/miscutils/runlevel.c
index f51a647be..04064ee73 100644
--- a/miscutils/runlevel.c
+++ b/miscutils/runlevel.c
@@ -15,7 +15,7 @@
 #include <utmp.h>
 #include "libbb.h"
 
-int runlevel_main(int argc, char **argv);
+int runlevel_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int runlevel_main(int argc, char **argv)
 {
 	struct utmp *ut;
diff --git a/miscutils/rx.c b/miscutils/rx.c
index 675aad2a0..898703c59 100644
--- a/miscutils/rx.c
+++ b/miscutils/rx.c
@@ -249,7 +249,7 @@ static void sigalrm_handler(int ATTRIBUTE_UNUSED signum)
 {
 }
 
-int rx_main(int argc, char **argv);
+int rx_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int rx_main(int argc, char **argv)
 {
 	char *fn;
diff --git a/miscutils/setsid.c b/miscutils/setsid.c
index 8d738edfb..110bb6bb6 100644
--- a/miscutils/setsid.c
+++ b/miscutils/setsid.c
@@ -16,7 +16,7 @@
 
 #include "libbb.h"
 
-int setsid_main(int argc, char **argv);
+int setsid_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int setsid_main(int argc, char **argv)
 {
 	if (argc < 2)
diff --git a/miscutils/strings.c b/miscutils/strings.c
index b7f5a0b57..d75beccea 100644
--- a/miscutils/strings.c
+++ b/miscutils/strings.c
@@ -16,7 +16,7 @@
 #define PRINT_OFFSET	4
 #define SIZE			8
 
-int strings_main(int argc, char **argv);
+int strings_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int strings_main(int argc, char **argv)
 {
 	int n, c, status = EXIT_SUCCESS;
diff --git a/miscutils/taskset.c b/miscutils/taskset.c
index 3c117da92..e64fd655b 100644
--- a/miscutils/taskset.c
+++ b/miscutils/taskset.c
@@ -41,8 +41,8 @@ static char *__from_cpuset(cpu_set_t *mask)
 
 #define OPT_p 1
 
-int taskset_main(int argc, char** argv);
-int taskset_main(int argc, char** argv)
+int taskset_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int taskset_main(int argc, char **argv)
 {
 	cpu_set_t mask, new_mask;
 	pid_t pid = 0;
diff --git a/miscutils/time.c b/miscutils/time.c
index 8f79a51ec..d21944e01 100644
--- a/miscutils/time.c
+++ b/miscutils/time.c
@@ -402,7 +402,7 @@ static void run_command(char *const *cmd, resource_t * resp)
 	signal(SIGQUIT, quit_signal);
 }
 
-int time_main(int argc, char **argv);
+int time_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int time_main(int argc, char **argv)
 {
 	resource_t res;
diff --git a/miscutils/ttysize.c b/miscutils/ttysize.c
index 292cfb876..f51b328ea 100644
--- a/miscutils/ttysize.c
+++ b/miscutils/ttysize.c
@@ -11,7 +11,7 @@
  */
 #include "libbb.h"
 
-int ttysize_main(int argc, char **argv);
+int ttysize_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ttysize_main(int argc, char **argv)
 {
 	unsigned w,h;
diff --git a/miscutils/watchdog.c b/miscutils/watchdog.c
index 14bd44f48..e040c64fd 100644
--- a/miscutils/watchdog.c
+++ b/miscutils/watchdog.c
@@ -24,7 +24,7 @@ static void watchdog_shutdown(int ATTRIBUTE_UNUSED sig)
 	exit(0);
 }
 
-int watchdog_main(int argc, char **argv);
+int watchdog_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int watchdog_main(int argc, char **argv)
 {
 	unsigned opts;