+ in the interest of robustness, I added
[oweals/busybox.git] / busybox.c
index ee745e73e1753e98f560f199241a507e31e07706..15d53eb054dadc4abc429a272333f482bb58f790 100644 (file)
--- a/busybox.c
+++ b/busybox.c
@@ -32,302 +32,302 @@ void *__libc_stack_end;
 
 static const struct Applet applets[] = {
 
-#ifdef BB_BASENAME                             //usr/bin/basename
+#ifdef BB_BASENAME
        {"basename", basename_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_BUSYBOX                              //bin
+#ifdef BB_BUSYBOX
        {"busybox", busybox_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_BLOCK_DEVICE                 //sbin
+#ifdef BB_BLOCK_DEVICE
        {"block_device", block_device_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_CAT                                  //bin
+#ifdef BB_CAT
        {"cat", cat_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_CHMOD_CHOWN_CHGRP            //bin
+#ifdef BB_CHMOD_CHOWN_CHGRP
+       {"chgrp", chmod_chown_chgrp_main, _BB_DIR_BIN},
+#endif
+#ifdef BB_CHMOD_CHOWN_CHGRP
        {"chmod", chmod_chown_chgrp_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_CHMOD_CHOWN_CHGRP            //bin
+#ifdef BB_CHMOD_CHOWN_CHGRP
        {"chown", chmod_chown_chgrp_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_CHMOD_CHOWN_CHGRP            //bin
-       {"chgrp", chmod_chown_chgrp_main, _BB_DIR_BIN},
-#endif
-#ifdef BB_CHROOT                               //sbin
+#ifdef BB_CHROOT
        {"chroot", chroot_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_CLEAR                                        //usr/bin
+#ifdef BB_CLEAR
        {"clear", clear_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_CHVT                                 //usr/bin
+#ifdef BB_CHVT
        {"chvt", chvt_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_CP_MV                                        //bin
+#ifdef BB_CP_MV
        {"cp", cp_mv_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_CP_MV                                        //bin
-       {"mv", cp_mv_main, _BB_DIR_BIN},
-#endif
-#ifdef BB_DATE                                 //bin
+#ifdef BB_DATE
        {"date", date_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_DD                                   //bin
+#ifdef BB_DD
        {"dd", dd_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_DF                                   //bin
+#ifdef BB_DF
        {"df", df_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_DIRNAME                              //usr/bin
+#ifdef BB_DIRNAME
        {"dirname", dirname_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_DMESG                                        //bin
+#ifdef BB_DMESG
        {"dmesg", dmesg_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_DU                                   //bin
+#ifdef BB_DU
        {"du", du_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_DUTMP                                        //usr/sbin
+#ifdef BB_DUTMP
        {"dutmp", dutmp_main, _BB_DIR_USR_SBIN},
 #endif
-#ifdef BB_ECHO                                 //bin
+#ifdef BB_ECHO
        {"echo", echo_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_FBSET                                        //usr/sbin
+#ifdef BB_TRUE_FALSE
+       {"false", false_main, _BB_DIR_BIN},
+#endif
+#ifdef BB_FBSET
        {"fbset", fbset_main, _BB_DIR_USR_SBIN},
 #endif
-#ifdef BB_FDFLUSH                              //bin
+#ifdef BB_FDFLUSH
        {"fdflush", fdflush_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_FIND                                 //usr/bin
+#ifdef BB_FIND
        {"find", find_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_FREE                                 //usr/bin
+#ifdef BB_FREE
        {"free", free_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_FREERAMDISK                  //sbin
+#ifdef BB_FREERAMDISK
        {"freeramdisk", freeramdisk_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_DEALLOCVT                            //usr/bin
+#ifdef BB_DEALLOCVT
        {"deallocvt", deallocvt_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_FSCK_MINIX                   //sbin
+#ifdef BB_FSCK_MINIX
        {"fsck.minix", fsck_minix_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_MKFS_MINIX                   //sbin
-       {"mkfs.minix", mkfs_minix_main, _BB_DIR_SBIN},
-#endif
-#ifdef BB_GREP                                 //bin
+#ifdef BB_GREP
        {"grep", grep_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_HALT                                 //sbin
+#ifdef BB_GUNZIP
+       {"gunzip", gunzip_main, _BB_DIR_BIN},
+#endif
+#ifdef BB_GZIP
+       {"gzip", gzip_main, _BB_DIR_BIN},
+#endif
+#ifdef BB_HALT
        {"halt", halt_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_HEAD                                 //bin
+#ifdef BB_HEAD
        {"head", head_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_HOSTID                               //usr/bin
+#ifdef BB_HOSTID
        {"hostid", hostid_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_HOSTNAME                             //bin
+#ifdef BB_HOSTNAME
        {"hostname", hostname_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_INIT                                 //sbin
+#ifdef BB_INIT
        {"init", init_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_INSMOD                               //sbin
+#ifdef BB_INSMOD
        {"insmod", insmod_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_FEATURE_LINUXRC              //
-       {"linuxrc", init_main, _BB_DIR_ROOT},
-#endif
-#ifdef BB_KILL                                 //bin
+#ifdef BB_KILL
        {"kill", kill_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_KILLALL                              //usr/bin
+#ifdef BB_KILLALL
        {"killall", kill_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_LENGTH                               //usr/bin
+#ifdef BB_LENGTH
        {"length", length_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_LN                                   //bin
+#ifdef BB_FEATURE_LINUXRC              //
+       {"linuxrc", init_main, _BB_DIR_ROOT},
+#endif
+#ifdef BB_LN
        {"ln", ln_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_LOADACM                              //usr/bin
+#ifdef BB_LOADACM
        {"loadacm", loadacm_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_LOADFONT                             //usr/bin
+#ifdef BB_LOADFONT
        {"loadfont", loadfont_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_LOADKMAP                             //sbin
+#ifdef BB_LOADKMAP
        {"loadkmap", loadkmap_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_LS                                   //bin
+#ifdef BB_LOGGER
+       {"logger", logger_main, _BB_DIR_USR_BIN},
+#endif
+#ifdef BB_LOGNAME
+       {"logname", logname_main, _BB_DIR_USR_BIN},
+#endif
+#ifdef BB_LS
        {"ls", ls_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_LSMOD                                        //sbin
+#ifdef BB_LSMOD
        {"lsmod", lsmod_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_MAKEDEVS                             //sbin
+#ifdef BB_MAKEDEVS
        {"makedevs", makedevs_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_MATH                                 //usr/bin
+#ifdef BB_MATH
        {"math", math_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_MKDIR                                        //bin
+#ifdef BB_MKDIR
        {"mkdir", mkdir_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_MKFIFO                               //usr/bin
+#ifdef BB_MKFIFO
        {"mkfifo", mkfifo_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_MKNOD                                        //bin
+#ifdef BB_MKFS_MINIX
+       {"mkfs.minix", mkfs_minix_main, _BB_DIR_SBIN},
+#endif
+#ifdef BB_MKNOD
        {"mknod", mknod_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_MKSWAP                               //sbin
+#ifdef BB_MKSWAP
        {"mkswap", mkswap_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_MNC                                  //usr/bin
+#ifdef BB_MNC
        {"mnc", mnc_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_MORE                                 //bin
+#ifdef BB_MORE
        {"more", more_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_MOUNT                                        //bin
+#ifdef BB_MOUNT
        {"mount", mount_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_MT                                   //bin
+#ifdef BB_MT
        {"mt", mt_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_NSLOOKUP                             //usr/bin
+#ifdef BB_CP_MV
+       {"mv", cp_mv_main, _BB_DIR_BIN},
+#endif
+#ifdef BB_NSLOOKUP
        {"nslookup", nslookup_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_PING                                 //bin
+#ifdef BB_PING
        {"ping", ping_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_POWEROFF                             //sbin
+#ifdef BB_POWEROFF
        {"poweroff", poweroff_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_PRINTF                               //usr/bin
+#ifdef BB_PRINTF
        {"printf", printf_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_PS                                   //bin
+#ifdef BB_PS
        {"ps", ps_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_PWD                                  //bin
+#ifdef BB_PWD
        {"pwd", pwd_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_REBOOT                               //sbin
+#ifdef BB_REBOOT
        {"reboot", reboot_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_RM                                   //bin
+#ifdef BB_RM
        {"rm", rm_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_RMDIR                                        //bin
+#ifdef BB_RMDIR
        {"rmdir", rmdir_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_RMMOD                                        //sbin
+#ifdef BB_RMMOD
        {"rmmod", rmmod_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_SED                                  //bin
+#ifdef BB_SED
        {"sed", sed_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_SH                                   //bin
+#ifdef BB_SH
        {"sh", shell_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_SFDISK                               //sbin
-       {"fdisk", sfdisk_main, _BB_DIR_SBIN},
-#ifdef BB_SFDISK                               //sbin
-#endif
+#ifdef BB_SFDISK
        {"sfdisk", sfdisk_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_SLEEP                                        //bin
+#ifdef BB_SLEEP
        {"sleep", sleep_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_SORT                                 //bin
+#ifdef BB_SORT
        {"sort", sort_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_SYNC                                 //bin
+#ifdef BB_SYNC
        {"sync", sync_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_SYSLOGD                              //sbin
+#ifdef BB_SYSLOGD
        {"syslogd", syslogd_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_LOGGER                               //usr/bin
-       {"logger", logger_main, _BB_DIR_USR_BIN},
-#endif
-#ifdef BB_LOGNAME                              //usr/bin
-       {"logname", logname_main, _BB_DIR_USR_BIN},
-#endif
-#ifdef BB_SWAPONOFF                            //sbin
+#ifdef BB_SWAPONOFF
        {"swapon", swap_on_off_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_SWAPONOFF                            //sbin
+#ifdef BB_SWAPONOFF
        {"swapoff", swap_on_off_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_TAIL                                 //usr/bin
+#ifdef BB_TAIL
        {"tail", tail_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_TAR                                  //bin
+#ifdef BB_TAR
        {"tar", tar_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_TELNET                               //usr/bin
+#ifdef BB_TELNET
        {"telnet", telnet_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_TEST                                 //usr/bin
-       {"[", test_main, _BB_DIR_USR_BIN},
-#endif
-#ifdef BB_TEST                                 //usr/bin
+#ifdef BB_TEST
        {"test", test_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_TEE                                  //bin
+#ifdef BB_TEE
        {"tee", tee_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_TOUCH                                        //usr/bin
+#ifdef BB_TOUCH
        {"touch", touch_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_TR                                   //usr/bin
+#ifdef BB_TR
        {"tr", tr_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_TRUE_FALSE                   //bin
+#ifdef BB_TRUE_FALSE
        {"true", true_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_TRUE_FALSE                   //bin
-       {"false", false_main, _BB_DIR_BIN},
-#endif
-#ifdef BB_TTY                                  //usr/bin
+#ifdef BB_TTY
        {"tty", tty_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_UMOUNT                               //bin
+#ifdef BB_UMOUNT
        {"umount", umount_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_UNAME                                        //bin
+#ifdef BB_UNAME
        {"uname", uname_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_UPTIME                               //usr/bin
-       {"uptime", uptime_main, _BB_DIR_USR_BIN},
-#endif
-#ifdef BB_UNIQ                                 //bin
+#ifdef BB_UNIQ
        {"uniq", uniq_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_UPDATE                               //sbin
+#ifdef BB_UPDATE
        {"update", update_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_WC                                   //usr/bin
+#ifdef BB_UPTIME
+       {"uptime", uptime_main, _BB_DIR_USR_BIN},
+#endif
+#ifdef BB_USLEEP
+       {"usleep", usleep_main, _BB_DIR_BIN},
+#endif
+#ifdef BB_WC
        {"wc", wc_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_WHOAMI                               //usr/bin
+#ifdef BB_WHOAMI
        {"whoami", whoami_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_YES                                  //usr/bin
+#ifdef BB_YES
        {"yes", yes_main, _BB_DIR_USR_BIN},
 #endif
-#ifdef BB_GUNZIP                               //bin
+#ifdef BB_GUNZIP
        {"zcat", gunzip_main, _BB_DIR_BIN},
 #endif
-#ifdef BB_GUNZIP                               //bin
-       {"gunzip", gunzip_main, _BB_DIR_BIN},
-#endif
-#ifdef BB_GZIP                                 //bin
-       {"gzip", gzip_main, _BB_DIR_BIN},
+#ifdef BB_TEST
+       {"[", test_main, _BB_DIR_USR_BIN},
 #endif
        {0}
 };
@@ -379,8 +379,10 @@ int busybox_main(int argc, char **argv)
                fprintf(stderr, "Usage: busybox [function] [arguments]...\n");
                fprintf(stderr, "   or: [function] [arguments]...\n\n");
                fprintf(stderr,
-                               "\tMost people will create a link to busybox for each\n"
-                               "\tfunction name, and busybox will act like whatever you invoke it as.\n");
+                               "\tBusyBox is a multi-call binary that combines many common Unix\n"
+                               "\tutilities into a single executable.  Most people will create a\n"
+                               "\tlink to busybox for each function they wish to use, and BusyBox\n"
+                               "\twill act like whatever it was invoked as.\n");
                fprintf(stderr, "\nCurrently defined functions:\n");
 
                while (a->name != 0) {