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-rw-r--r--applets/busybox.c393
1 files changed, 27 insertions, 366 deletions
diff --git a/applets/busybox.c b/applets/busybox.c
index 21b8a11..696dd42 100644
--- a/applets/busybox.c
+++ b/applets/busybox.c
@@ -3,6 +3,7 @@
#include <stdio.h>
#include <string.h>
#include <errno.h>
+#include "applets.h"
#define bb_need_full_version
#define BB_DECLARE_EXTERN
@@ -10,365 +11,6 @@
static int been_there_done_that = 0;
-const struct BB_applet applets[] = {
-
-#ifdef BB_AR
- {"ar", ar_main, _BB_DIR_USR_BIN, ar_usage},
-#endif
-#ifdef BB_BASENAME
- {"basename", basename_main, _BB_DIR_USR_BIN, basename_usage},
-#endif
- {"busybox", busybox_main, _BB_DIR_BIN, NULL},
-#ifdef BB_CAT
- {"cat", cat_main, _BB_DIR_BIN, cat_usage},
-#endif
-#ifdef BB_CHMOD_CHOWN_CHGRP
- {"chgrp", chmod_chown_chgrp_main, _BB_DIR_BIN, chgrp_usage},
-#endif
-#ifdef BB_CHMOD_CHOWN_CHGRP
- {"chmod", chmod_chown_chgrp_main, _BB_DIR_BIN, chmod_usage},
-#endif
-#ifdef BB_CHMOD_CHOWN_CHGRP
- {"chown", chmod_chown_chgrp_main, _BB_DIR_BIN, chown_usage},
-#endif
-#ifdef BB_CHROOT
- {"chroot", chroot_main, _BB_DIR_USR_SBIN, chroot_usage},
-#endif
-#ifdef BB_CLEAR
- {"clear", clear_main, _BB_DIR_USR_BIN, clear_usage},
-#endif
-#ifdef BB_CHVT
- {"chvt", chvt_main, _BB_DIR_USR_BIN, chvt_usage},
-#endif
-#ifdef BB_CMP
- {"cmp", cmp_main, _BB_DIR_USR_BIN, cmp_usage},
-#endif
-#ifdef BB_CP_MV
- {"cp", cp_mv_main, _BB_DIR_BIN, cp_usage},
-#endif
-#ifdef BB_CUT
- {"cut", cut_main, _BB_DIR_USR_BIN, cut_usage},
-#endif
-#ifdef BB_DATE
- {"date", date_main, _BB_DIR_BIN, date_usage},
-#endif
-#ifdef BB_DC
- {"dc", dc_main, _BB_DIR_USR_BIN, dc_usage},
-#endif
-#ifdef BB_DD
- {"dd", dd_main, _BB_DIR_BIN, dd_usage},
-#endif
-#ifdef BB_DF
- {"df", df_main, _BB_DIR_BIN, df_usage},
-#endif
-#ifdef BB_DIRNAME
- {"dirname", dirname_main, _BB_DIR_USR_BIN, dirname_usage},
-#endif
-#ifdef BB_DMESG
- {"dmesg", dmesg_main, _BB_DIR_BIN, dmesg_usage},
-#endif
-#ifdef BB_DOS2UNIX
- {"dos2unix", dos2unix_main, _BB_DIR_USR_BIN, dos2unix_usage},
-#endif
-#ifdef BB_DU
- {"du", du_main, _BB_DIR_USR_BIN, du_usage},
-#endif
-#ifdef BB_DUMPKMAP
- {"dumpkmap", dumpkmap_main, _BB_DIR_BIN, dumpkmap_usage},
-#endif
-#ifdef BB_DUTMP
- {"dutmp", dutmp_main, _BB_DIR_USR_SBIN, dutmp_usage},
-#endif
-#ifdef BB_ECHO
- {"echo", echo_main, _BB_DIR_BIN, echo_usage},
-#endif
-#ifdef BB_EXPR
- {"expr", expr_main, _BB_DIR_USR_BIN, expr_usage},
-#endif
-#ifdef BB_TRUE_FALSE
- {"false", false_main, _BB_DIR_BIN, false_usage},
-#endif
-#ifdef BB_FBSET
- {"fbset", fbset_main, _BB_DIR_USR_SBIN, NULL},
-#endif
-#ifdef BB_FDFLUSH
- {"fdflush", fdflush_main, _BB_DIR_BIN, fdflush_usage},
-#endif
-#ifdef BB_FIND
- {"find", find_main, _BB_DIR_USR_BIN, find_usage},
-#endif
-#ifdef BB_FREE
- {"free", free_main, _BB_DIR_USR_BIN, free_usage},
-#endif
-#ifdef BB_FREERAMDISK
- {"freeramdisk", freeramdisk_main, _BB_DIR_SBIN, freeramdisk_usage},
-#endif
-#ifdef BB_DEALLOCVT
- {"deallocvt", deallocvt_main, _BB_DIR_USR_BIN, deallocvt_usage},
-#endif
-#ifdef BB_FSCK_MINIX
- {"fsck.minix", fsck_minix_main, _BB_DIR_SBIN, fsck_minix_usage},
-#endif
-#ifdef BB_GETOPT
- {"getopt", getopt_main, _BB_DIR_BIN, getopt_usage},
-#endif
-#ifdef BB_GREP
- {"grep", grep_main, _BB_DIR_BIN, grep_usage},
-#endif
-#ifdef BB_GUNZIP
- {"gunzip", gunzip_main, _BB_DIR_BIN, gunzip_usage},
-#endif
-#ifdef BB_GZIP
- {"gzip", gzip_main, _BB_DIR_BIN, gzip_usage},
-#endif
-#ifdef BB_HALT
- {"halt", halt_main, _BB_DIR_SBIN, halt_usage},
-#endif
-#ifdef BB_HEAD
- {"head", head_main, _BB_DIR_USR_BIN, head_usage},
-#endif
-#ifdef BB_HOSTID
- {"hostid", hostid_main, _BB_DIR_USR_BIN, hostid_usage},
-#endif
-#ifdef BB_HOSTNAME
- {"hostname", hostname_main, _BB_DIR_BIN, hostname_usage},
-#endif
-#ifdef BB_ID
- {"id", id_main, _BB_DIR_USR_BIN, id_usage},
-#endif
-#ifdef BB_INIT
- {"init", init_main, _BB_DIR_SBIN, NULL},
-#endif
-#ifdef BB_INSMOD
- {"insmod", insmod_main, _BB_DIR_SBIN, insmod_usage},
-#endif
-#ifdef BB_KILL
- {"kill", kill_main, _BB_DIR_BIN, kill_usage},
-#endif
-#ifdef BB_KILLALL
- {"killall", kill_main, _BB_DIR_USR_BIN, kill_usage},
-#endif
-#ifdef BB_LENGTH
- {"length", length_main, _BB_DIR_USR_BIN, length_usage},
-#endif
-#ifdef BB_LINUXRC
- {"linuxrc", init_main, _BB_DIR_ROOT, NULL},
-#endif
-#ifdef BB_LN
- {"ln", ln_main, _BB_DIR_BIN, ln_usage},
-#endif
-#ifdef BB_LOADACM
- {"loadacm", loadacm_main, _BB_DIR_USR_BIN, loadacm_usage},
-#endif
-#ifdef BB_LOADFONT
- {"loadfont", loadfont_main, _BB_DIR_USR_BIN, loadfont_usage},
-#endif
-#ifdef BB_LOADKMAP
- {"loadkmap", loadkmap_main, _BB_DIR_SBIN, loadkmap_usage},
-#endif
-#ifdef BB_LOGGER
- {"logger", logger_main, _BB_DIR_USR_BIN, logger_usage},
-#endif
-#ifdef BB_LOGNAME
- {"logname", logname_main, _BB_DIR_USR_BIN, logname_usage},
-#endif
-#ifdef BB_LS
- {"ls", ls_main, _BB_DIR_BIN, ls_usage},
-#endif
-#ifdef BB_LSMOD
- {"lsmod", lsmod_main, _BB_DIR_SBIN, lsmod_usage},
-#endif
-#ifdef BB_MAKEDEVS
- {"makedevs", makedevs_main, _BB_DIR_SBIN, makedevs_usage},
-#endif
-#ifdef BB_MD5SUM
- {"md5sum", md5sum_main, _BB_DIR_USR_BIN, md5sum_usage},
-#endif
-#ifdef BB_MKDIR
- {"mkdir", mkdir_main, _BB_DIR_BIN, mkdir_usage},
-#endif
-#ifdef BB_MKFIFO
- {"mkfifo", mkfifo_main, _BB_DIR_USR_BIN, mkfifo_usage},
-#endif
-#ifdef BB_MKFS_MINIX
- {"mkfs.minix", mkfs_minix_main, _BB_DIR_SBIN, mkfs_minix_usage},
-#endif
-#ifdef BB_MKNOD
- {"mknod", mknod_main, _BB_DIR_BIN, mknod_usage},
-#endif
-#ifdef BB_MKSWAP
- {"mkswap", mkswap_main, _BB_DIR_SBIN, mkswap_usage},
-#endif
-#ifdef BB_MKTEMP
- {"mktemp", mktemp_main, _BB_DIR_BIN, mktemp_usage},
-#endif
-#ifdef BB_NC
- {"nc", nc_main, _BB_DIR_USR_BIN, nc_usage},
-#endif
-#ifdef BB_MORE
- {"more", more_main, _BB_DIR_BIN, more_usage},
-#endif
-#ifdef BB_MOUNT
- {"mount", mount_main, _BB_DIR_BIN, mount_usage},
-#endif
-#ifdef BB_MT
- {"mt", mt_main, _BB_DIR_BIN, mt_usage},
-#endif
-#ifdef BB_CP_MV
- {"mv", cp_mv_main, _BB_DIR_BIN, mv_usage},
-#endif
-#ifdef BB_NSLOOKUP
- {"nslookup", nslookup_main, _BB_DIR_USR_BIN, nslookup_usage},
-#endif
-#ifdef BB_PING
- {"ping", ping_main, _BB_DIR_BIN, ping_usage},
-#endif
-#ifdef BB_POWEROFF
- {"poweroff", poweroff_main, _BB_DIR_SBIN, poweroff_usage},
-#endif
-#ifdef BB_PRINTF
- {"printf", printf_main, _BB_DIR_USR_BIN, printf_usage},
-#endif
-#ifdef BB_PS
- {"ps", ps_main, _BB_DIR_BIN, ps_usage},
-#endif
-#ifdef BB_PWD
- {"pwd", pwd_main, _BB_DIR_BIN, pwd_usage},
-#endif
-#ifdef BB_RDATE
- {"rdate", rdate_main, _BB_DIR_USR_BIN, rdate_usage},
-#endif
-#ifdef BB_READLINK
- {"readlink", readlink_main, _BB_DIR_USR_BIN, readlink_usage},
-#endif
-#ifdef BB_REBOOT
- {"reboot", reboot_main, _BB_DIR_SBIN, reboot_usage},
-#endif
-#ifdef BB_RENICE
- {"renice", renice_main, _BB_DIR_USR_BIN, renice_usage},
-#endif
-#ifdef BB_RESET
- {"reset", reset_main, _BB_DIR_USR_BIN, reset_usage},
-#endif
-#ifdef BB_RM
- {"rm", rm_main, _BB_DIR_BIN, rm_usage},
-#endif
-#ifdef BB_RMDIR
- {"rmdir", rmdir_main, _BB_DIR_BIN, rmdir_usage},
-#endif
-#ifdef BB_RMMOD
- {"rmmod", rmmod_main, _BB_DIR_SBIN, rmmod_usage},
-#endif
-#ifdef BB_SED
- {"sed", sed_main, _BB_DIR_BIN, sed_usage},
-#endif
-#ifdef BB_SETKEYCODES
- {"setkeycodes", setkeycodes_main, _BB_DIR_USR_BIN, setkeycodes_usage},
-#endif
-#ifdef BB_SH
- {"sh", shell_main, _BB_DIR_BIN, shell_usage},
-#endif
-#ifdef BB_SLEEP
- {"sleep", sleep_main, _BB_DIR_BIN, sleep_usage},
-#endif
-#ifdef BB_SORT
- {"sort", sort_main, _BB_DIR_USR_BIN, sort_usage},
-#endif
-#ifdef BB_SYNC
- {"sync", sync_main, _BB_DIR_BIN, sync_usage},
-#endif
-#ifdef BB_SYSLOGD
- {"syslogd", syslogd_main, _BB_DIR_SBIN, syslogd_usage},
-#endif
-#ifdef BB_SWAPONOFF
- {"swapon", swap_on_off_main, _BB_DIR_SBIN, swapon_usage},
-#endif
-#ifdef BB_SWAPONOFF
- {"swapoff", swap_on_off_main, _BB_DIR_SBIN, swapoff_usage},
-#endif
-#ifdef BB_TAIL
- {"tail", tail_main, _BB_DIR_USR_BIN, tail_usage},
-#endif
-#ifdef BB_TAR
- {"tar", tar_main, _BB_DIR_BIN, tar_usage},
-#endif
-#ifdef BB_TELNET
- {"telnet", telnet_main, _BB_DIR_USR_BIN, telnet_usage},
-#endif
-#ifdef BB_TEST
- {"test", test_main, _BB_DIR_USR_BIN, test_usage},
-#endif
-#ifdef BB_TEE
- {"tee", tee_main, _BB_DIR_USR_BIN, tee_usage},
-#endif
-#ifdef BB_TOUCH
- {"touch", touch_main, _BB_DIR_BIN, touch_usage},
-#endif
-#ifdef BB_TR
- {"tr", tr_main, _BB_DIR_USR_BIN, tr_usage},
-#endif
-#ifdef BB_TRUE_FALSE
- {"true", true_main, _BB_DIR_BIN, true_usage},
-#endif
-#ifdef BB_TTY
- {"tty", tty_main, _BB_DIR_USR_BIN, tty_usage},
-#endif
-#ifdef BB_UMOUNT
- {"umount", umount_main, _BB_DIR_BIN, umount_usage},
-#endif
-#ifdef BB_UNAME
- {"uname", uname_main, _BB_DIR_BIN, uname_usage},
-#endif
-#ifdef BB_UNIQ
- {"uniq", uniq_main, _BB_DIR_USR_BIN, uniq_usage},
-#endif
-#ifdef BB_UNIX2DOS
- {"unix2dos", unix2dos_main, _BB_DIR_USR_BIN, unix2dos_usage},
-#endif
-#ifdef BB_UNRPM
- {"unrpm", unrpm_main, _BB_DIR_USR_BIN, unrpm_usage},
-#endif
-#ifdef BB_UPDATE
- {"update", update_main, _BB_DIR_SBIN, update_usage},
-#endif
-#ifdef BB_UPTIME
- {"uptime", uptime_main, _BB_DIR_USR_BIN, uptime_usage},
-#endif
-#ifdef BB_UUENCODE
- {"uuencode", uuencode_main, _BB_DIR_USR_BIN, uuencode_usage},
-#endif
-#ifdef BB_UUDECODE
- {"uudecode", uudecode_main, _BB_DIR_USR_BIN, uudecode_usage},
-#endif
-#ifdef BB_USLEEP
- {"usleep", usleep_main, _BB_DIR_BIN, usleep_usage},
-#endif
-#ifdef BB_WC
- {"wc", wc_main, _BB_DIR_USR_BIN, wc_usage},
-#endif
-#ifdef BB_WGET
- {"wget", wget_main, _BB_DIR_USR_BIN, wget_usage},
-#endif
-#ifdef BB_WHICH
- {"which", which_main, _BB_DIR_USR_BIN, which_usage},
-#endif
-#ifdef BB_WHOAMI
- {"whoami", whoami_main, _BB_DIR_USR_BIN, whoami_usage},
-#endif
-#ifdef BB_XARGS
- {"xargs", xargs_main, _BB_DIR_USR_BIN, xargs_usage},
-#endif
-#ifdef BB_YES
- {"yes", yes_main, _BB_DIR_USR_BIN, yes_usage},
-#endif
-#ifdef BB_GUNZIP
- {"zcat", gunzip_main, _BB_DIR_BIN, gunzip_usage},
-#endif
-#ifdef BB_TEST
- {"[", test_main, _BB_DIR_USR_BIN, test_usage},
-#endif
- {0,NULL,0,NULL}
-};
const char *applet_name;
@@ -443,7 +85,7 @@ static void install_links(const char *busybox, int use_symbolic_links)
int main(int argc, char **argv)
{
const char *s;
- const struct BB_applet *a = applets;
+ int u, l; /* Lower and upper bounds for the binary search. */
applet_name = "busybox";
#ifdef BB_FEATURE_INSTALLER
@@ -491,14 +133,33 @@ int main(int argc, char **argv)
}
#endif
- while (a->name != 0) {
- if (strcmp(applet_name, a->name) == 0) {
- if (a->usage && argv[1] && strcmp(argv[1], "--help") == 0)
- usage(a->usage);
- exit(((*(a->main)) (argc, argv)));
+ /* Do a binary search to find the applet entry given the name. */
+
+ u = NUM_APPLETS - 1;
+ l = 0;
+
+ for (;;) {
+ int i = l + (u - l) / 2;
+ int j = strcmp(applet_name, applets[i].name);
+
+ if (j == 0) {
+ if (applets[i].usage && argv[1] && strcmp(argv[1], "--help") == 0)
+ usage(applets[i].usage);
+ exit(((*(applets[i].main)) (argc, argv)));
}
- a++;
+
+ if (u == l)
+ break;
+
+ if (j < 0)
+ u = i - 1;
+ else
+ l = i + 1;
+
+ if (u < l)
+ break;
}
+
return(busybox_main(argc, argv));
}
generated by cgit v1.1 at 2024-12-26 18:30:29 +0000