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

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EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so
This commit is contained in:
Denis Vlasenko
2007-10-11 10:05:36 +00:00
parent 8d82cf72c9
commit 9b49a5ed85
260 changed files with 325 additions and 307 deletions
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2
util-linux/dmesg.c
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@@ -12,7 +12,7 @@
#include <sys/klog.h>
#include "libbb.h"
int dmesg_main(int argc, char **argv);
int dmesg_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int dmesg_main(int argc, char **argv)
{
char *size, *level;

2
util-linux/fbset.c
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@@ -309,7 +309,7 @@ static inline void showmode(struct fb_var_screeninfo *v)
#ifdef STANDALONE
int main(int argc, char **argv)
#else
int fbset_main(int argc, char **argv);
int fbset_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int fbset_main(int argc, char **argv)
#endif
{

13
util-linux/fdformat.c
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@@ -1,12 +1,7 @@
/* vi: set sw=4 ts=4: */
/* fdformat.c - Low-level formats a floppy disk - Werner Almesberger */
/* 1999-02-22 Arkadiusz Mi<4D>kiewicz <misiek@pld.ORG.PL>
* - added Native Language Support
* 1999-03-20 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
* - more i18n/nls translatable strings marked
*
* 5 July 2003 -- modified for Busybox by Erik Andersen
/* 5 July 2003 -- modified for Busybox by Erik Andersen
*/
#include "libbb.h"
@@ -45,8 +40,8 @@ struct format_descr {
#define FDGETPRM _IOR(2, 0x04, struct floppy_struct)
#define FD_FILL_BYTE 0xF6 /* format fill byte. */
int fdformat_main(int argc,char **argv);
int fdformat_main(int argc,char **argv)
int fdformat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int fdformat_main(int argc, char **argv)
{
int fd, n, cyl, read_bytes, verify;
unsigned char *data;
@@ -116,7 +111,7 @@ int fdformat_main(int argc,char **argv)
/* Check backwards so we don't need a counter */
while (--read_bytes >= 0) {
if (data[read_bytes] != FD_FILL_BYTE) {
printf("bad data in cyl %d\nContinuing... ",cyl);
printf("bad data in cyl %d\nContinuing... ", cyl);
}
}
}

2
util-linux/fdisk.c
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@@ -2735,7 +2735,7 @@ unknown_command(int c)
}
#endif
int fdisk_main(int argc, char **argv);
int fdisk_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int fdisk_main(int argc, char **argv)
{
char *str_b, *str_C, *str_H, *str_S;

2
util-linux/freeramdisk.c
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@@ -14,7 +14,7 @@
/* From <linux/fd.h> */
#define FDFLUSH _IO(2,0x4b)
int freeramdisk_main(int argc, char **argv);
int freeramdisk_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int freeramdisk_main(int argc, char **argv)
{
int fd;

2
util-linux/fsck_minix.c
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@@ -1249,7 +1249,7 @@ static void check2(void)
void check2(void);
#endif
int fsck_minix_main(int argc, char **argv);
int fsck_minix_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int fsck_minix_main(int argc, char **argv)
{
struct termios tmp;

4
util-linux/getopt.c
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@@ -279,8 +279,8 @@ static const char getopt_longopts[] ALIGN1 =
;
#endif
int getopt_main(int argc, char *argv[]);
int getopt_main(int argc, char *argv[])
int getopt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int getopt_main(int argc, char **argv)
{
char *optstr = NULL;
char *name = NULL;

2
util-linux/hexdump.c
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@@ -54,7 +54,7 @@ static const struct suffix_mult suffixes[] = {
{ }
};
int hexdump_main(int argc, char **argv);
int hexdump_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int hexdump_main(int argc, char **argv)
{
const char *p;

2
util-linux/hwclock.c
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@@ -171,7 +171,7 @@ static int check_utc(void)
#define HWCLOCK_OPT_SYSTOHC 0x10
#define HWCLOCK_OPT_RTCFILE 0x20
int hwclock_main(int argc, char **argv);
int hwclock_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int hwclock_main(int argc, char **argv)
{
unsigned opt;

2
util-linux/ipcrm.c
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@@ -76,7 +76,7 @@ static int remove_ids(type_id type, int argc, char **argv)
#endif /* IPCRM_LEGACY */
int ipcrm_main(int argc, char **argv);
int ipcrm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int ipcrm_main(int argc, char **argv)
{
int c;

2
util-linux/ipcs.c
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@@ -558,7 +558,7 @@ static void print_sem(int semid)
bb_putchar('\n');
}
int ipcs_main(int argc, char **argv);
int ipcs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int ipcs_main(int argc, char **argv)
{
int id = 0;

2
util-linux/losetup.c
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@@ -11,7 +11,7 @@
#include "libbb.h"
int losetup_main(int argc, char **argv);
int losetup_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int losetup_main(int argc, char **argv)
{
char dev[] = LOOP_NAME"0";

2
util-linux/mdev.c
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@@ -287,7 +287,7 @@ static void load_firmware(const char *const firmware, const char *const sysfs_pa
}
}
int mdev_main(int argc, char **argv);
int mdev_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int mdev_main(int argc, char **argv)
{
char *action;

2
util-linux/mkfs_minix.c
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@@ -603,7 +603,7 @@ static void setup_tables(void)
printf("Maxsize=%ld\n", (long)SB_MAXSIZE);
}
int mkfs_minix_main(int argc, char **argv);
int mkfs_minix_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int mkfs_minix_main(int argc, char **argv)
{
struct mntent *mp;

2
util-linux/mkswap.c
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@@ -8,7 +8,7 @@
#include "libbb.h"
int mkswap_main(int argc, char **argv);
int mkswap_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int mkswap_main(int argc, char **argv)
{
int fd, pagesize;

2
util-linux/more.c
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@@ -52,7 +52,7 @@ static void gotsig(int sig)
#define CONVERTED_TAB_SIZE 8
int more_main(int argc, char **argv);
int more_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int more_main(int argc, char **argv)
{
int c = c; /* for gcc */

2
util-linux/mount.c
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@@ -1559,7 +1559,7 @@ static int singlemount(struct mntent *mp, int ignore_busy)
static const char must_be_root[] ALIGN1 = "you must be root";
int mount_main(int argc, char **argv);
int mount_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int mount_main(int argc, char **argv)
{
enum { OPT_ALL = 0x10 };

2
util-linux/pivot_root.c
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@@ -12,7 +12,7 @@
extern int pivot_root(const char * new_root,const char * put_old);
int pivot_root_main(int argc, char **argv);
int pivot_root_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int pivot_root_main(int argc, char **argv)
{
if (argc != 3)

2
util-linux/rdate.c
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@@ -42,7 +42,7 @@ static time_t askremotedate(const char *host)
return ntohl(nett) - RFC_868_BIAS;
}
int rdate_main(int argc, char **argv);
int rdate_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int rdate_main(int argc, char **argv)
{
time_t remote_time;

2
util-linux/readprofile.c
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@@ -41,7 +41,7 @@
static const char defaultmap[] ALIGN1 = "/boot/System.map";
static const char defaultpro[] ALIGN1 = "/proc/profile";
int readprofile_main(int argc, char **argv);
int readprofile_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int readprofile_main(int argc, char **argv)
{
FILE *map;

2
util-linux/setarch.c
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@@ -11,7 +11,7 @@
#include "libbb.h"
int setarch_main(int ATTRIBUTE_UNUSED argc, char **argv);
int setarch_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int setarch_main(int ATTRIBUTE_UNUSED argc, char **argv)
{
int pers = -1;

2
util-linux/swaponoff.c
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@@ -58,7 +58,7 @@ static int do_em_all(void)
return err;
}
int swap_on_off_main(int argc, char **argv);
int swap_on_off_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int swap_on_off_main(int argc, char **argv)
{
int ret;

2
util-linux/switch_root.c
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@@ -64,7 +64,7 @@ static void delete_contents(const char *directory)
} else unlink(directory);
}
int switch_root_main(int argc, char **argv);
int switch_root_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int switch_root_main(int argc, char **argv)
{
char *newroot, *console = NULL;

2
util-linux/umount.c
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@@ -21,7 +21,7 @@
#define OPT_REMOUNT (1 << 4)
#define OPT_ALL (ENABLE_FEATURE_UMOUNT_ALL ? (1 << 5) : 0)
int umount_main(int argc, char **argv);
int umount_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int umount_main(int argc, char **argv)
{
int doForce;