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-rw-r--r--busybox.c456
1 files changed, 235 insertions, 221 deletions
diff --git a/busybox.c b/busybox.c
index e2c2e0393..8bbe6a22e 100644
--- a/busybox.c
+++ b/busybox.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
#include "internal.h"
#include <stdio.h>
#include <string.h>
@@ -16,329 +17,342 @@ static int been_there_done_that = 0;
* replacement may be in order
*/
#if 0
-void exit (int status) __attribute__ ((noreturn));
-void exit (int status) { _exit(status); };
-void abort (void) __attribute__ ((__noreturn__));
-void abort (void) { _exit(0); };
-int atexit (void (*__func) (void)) { _exit(0); };
+void exit(int status) __attribute__ ((noreturn));
+void exit(int status)
+{
+ _exit(status);
+};
+void abort(void) __attribute__ ((__noreturn__));
+void abort(void)
+{
+ _exit(0);
+};
+int atexit(void (*__func) (void))
+{
+ _exit(0);
+};
void *__libc_stack_end;
#endif
static const struct Applet applets[] = {
-#ifdef BB_BUSYBOX //bin
- {"busybox", busybox_main},
+#ifdef BB_BUSYBOX //bin
+ {"busybox", busybox_main},
+#endif
+#ifdef BB_BLOCK_DEVICE //sbin
+ {"block_device", block_device_main},
#endif
-#ifdef BB_BLOCK_DEVICE //sbin
- {"block_device", block_device_main},
+#ifdef BB_CAT //bin
+ {"cat", cat_main},
#endif
-#ifdef BB_CAT //bin
- {"cat", cat_main},
+#ifdef BB_CHMOD_CHOWN_CHGRP //bin
+ {"chmod", chmod_chown_chgrp_main},
+ {"chown", chmod_chown_chgrp_main},
+ {"chgrp", chmod_chown_chgrp_main},
#endif
-#ifdef BB_CHMOD_CHOWN_CHGRP //bin
- {"chmod", chmod_chown_chgrp_main},
- {"chown", chmod_chown_chgrp_main},
- {"chgrp", chmod_chown_chgrp_main},
+#ifdef BB_CHROOT //sbin
+ {"chroot", chroot_main},
#endif
-#ifdef BB_CHROOT //sbin
- {"chroot", chroot_main},
+#ifdef BB_CLEAR //usr/bin
+ {"clear", clear_main},
#endif
-#ifdef BB_CLEAR //usr/bin
- {"clear", clear_main},
+#ifdef BB_CHVT //usr/bin
+ {"chvt", chvt_main},
#endif
-#ifdef BB_CHVT //usr/bin
- {"chvt", chvt_main},
+#ifdef BB_CP_MV //bin
+ {"cp", cp_mv_main},
+ {"mv", cp_mv_main},
#endif
-#ifdef BB_CP_MV //bin
- {"cp", cp_mv_main},
- {"mv", cp_mv_main},
+#ifdef BB_DATE //bin
+ {"date", date_main},
#endif
-#ifdef BB_DATE //bin
- {"date", date_main},
+#ifdef BB_DD //bin
+ {"dd", dd_main},
#endif
-#ifdef BB_DD //bin
- {"dd", dd_main},
+#ifdef BB_DF //bin
+ {"df", df_main},
#endif
-#ifdef BB_DF //bin
- {"df", df_main},
+#ifdef BB_DMESG //bin
+ {"dmesg", dmesg_main},
#endif
-#ifdef BB_DMESG //bin
- {"dmesg", dmesg_main},
+#ifdef BB_DU //bin
+ {"du", du_main},
#endif
-#ifdef BB_DU //bin
- {"du", du_main},
+#ifdef BB_DUTMP //usr/sbin
+ {"dutmp", dutmp_main},
#endif
-#ifdef BB_DUTMP //usr/sbin
- {"dutmp", dutmp_main},
+#ifdef BB_FBSET //usr/sbin
+ {"fbset", fbset_main},
#endif
-#ifdef BB_FBSET //usr/sbin
- {"fbset", fbset_main},
+#ifdef BB_FDFLUSH //bin
+ {"fdflush", fdflush_main},
#endif
-#ifdef BB_FDFLUSH //bin
- {"fdflush", fdflush_main},
+#ifdef BB_FIND //usr/bin
+ {"find", find_main},
#endif
-#ifdef BB_FIND //usr/bin
- {"find", find_main},
+#ifdef BB_FREE //usr/bin
+ {"free", free_main},
#endif
-#ifdef BB_FREE //usr/bin
- {"free", free_main},
+#ifdef BB_DEALLOCVT //usr/bin
+ {"deallocvt", deallocvt_main},
#endif
-#ifdef BB_DEALLOCVT //usr/bin
- {"deallocvt", deallocvt_main},
+#ifdef BB_FSCK_MINIX //sbin
+ {"fsck.minix", fsck_minix_main},
#endif
-#ifdef BB_FSCK_MINIX //sbin
- {"fsck.minix", fsck_minix_main},
+#ifdef BB_MKFS_MINIX //sbin
+ {"mkfs.minix", mkfs_minix_main},
#endif
-#ifdef BB_MKFS_MINIX //sbin
- {"mkfs.minix", mkfs_minix_main},
+#ifdef BB_GREP //bin
+ {"grep", grep_main},
#endif
-#ifdef BB_GREP //bin
- {"grep", grep_main},
+#ifdef BB_HALT //sbin
+ {"halt", halt_main},
#endif
-#ifdef BB_HALT //sbin
- {"halt", halt_main},
+#ifdef BB_HEAD //bin
+ {"head", head_main},
#endif
-#ifdef BB_HEAD //bin
- {"head", head_main},
+#ifdef BB_HOSTID //usr/bin
+ {"hostid", hostid_main},
#endif
-#ifdef BB_HOSTID //usr/bin
- {"hostid", hostid_main},
+#ifdef BB_HOSTNAME //bin
+ {"hostname", hostname_main},
#endif
-#ifdef BB_HOSTNAME //bin
- {"hostname", hostname_main},
+#ifdef BB_INIT //sbin
+ {"init", init_main},
#endif
-#ifdef BB_INIT //sbin
- {"init", init_main},
+#ifdef BB_INSMOD //sbin
+ {"insmod", insmod_main},
#endif
-#ifdef BB_INSMOD //sbin
- {"insmod", insmod_main},
+#ifdef BB_FEATURE_LINUXRC //
+ {"linuxrc", init_main},
#endif
-#ifdef BB_FEATURE_LINUXRC //
- {"linuxrc", init_main},
+#ifdef BB_KILL //bin
+ {"kill", kill_main},
#endif
-#ifdef BB_KILL //bin
- {"kill", kill_main},
+#ifdef BB_LENGTH //usr/bin
+ {"length", length_main},
#endif
-#ifdef BB_LENGTH //usr/bin
- {"length", length_main},
+#ifdef BB_LN //bin
+ {"ln", ln_main},
#endif
-#ifdef BB_LN //bin
- {"ln", ln_main},
+#ifdef BB_LOADACM //usr/bin
+ {"loadacm", loadacm_main},
#endif
-#ifdef BB_LOADACM //usr/bin
- {"loadacm", loadacm_main},
-#endif
-#ifdef BB_LOADFONT //usr/bin
- {"loadfont", loadfont_main},
+#ifdef BB_LOADFONT //usr/bin
+ {"loadfont", loadfont_main},
#endif
-#ifdef BB_LOADKMAP //sbin
- {"loadkmap", loadkmap_main},
+#ifdef BB_LOADKMAP //sbin
+ {"loadkmap", loadkmap_main},
#endif
-#ifdef BB_LS //bin
- {"ls", ls_main},
+#ifdef BB_LS //bin
+ {"ls", ls_main},
#endif
-#ifdef BB_LSMOD //sbin
- {"lsmod", lsmod_main},
+#ifdef BB_LSMOD //sbin
+ {"lsmod", lsmod_main},
#endif
-#ifdef BB_MAKEDEVS //sbin
- {"makedevs", makedevs_main},
+#ifdef BB_MAKEDEVS //sbin
+ {"makedevs", makedevs_main},
#endif
-#ifdef BB_MATH //usr/bin
- {"math", math_main},
+#ifdef BB_MATH //usr/bin
+ {"math", math_main},
#endif
-#ifdef BB_MKDIR //bin
- {"mkdir", mkdir_main},
+#ifdef BB_MKDIR //bin
+ {"mkdir", mkdir_main},
#endif
-#ifdef BB_MKFIFO //usr/bin
- {"mkfifo", mkfifo_main},
+#ifdef BB_MKFIFO //usr/bin
+ {"mkfifo", mkfifo_main},
#endif
-#ifdef BB_MKNOD //bin
- {"mknod", mknod_main},
+#ifdef BB_MKNOD //bin
+ {"mknod", mknod_main},
#endif
-#ifdef BB_MKSWAP //sbin
- {"mkswap", mkswap_main},
+#ifdef BB_MKSWAP //sbin
+ {"mkswap", mkswap_main},
#endif
-#ifdef BB_MNC //usr/bin
- {"mnc", mnc_main},
+#ifdef BB_MNC //usr/bin
+ {"mnc", mnc_main},
#endif
-#ifdef BB_MORE //bin
- {"more", more_main},
+#ifdef BB_MORE //bin
+ {"more", more_main},
#endif
-#ifdef BB_MOUNT //bin
- {"mount", mount_main},
+#ifdef BB_MOUNT //bin
+ {"mount", mount_main},
#endif
-#ifdef BB_MT //bin
- {"mt", mt_main},
+#ifdef BB_MT //bin
+ {"mt", mt_main},
#endif
-#ifdef BB_NSLOOKUP //usr/bin
- {"nslookup", nslookup_main},
+#ifdef BB_NSLOOKUP //usr/bin
+ {"nslookup", nslookup_main},
#endif
-#ifdef BB_PING //bin
- {"ping", ping_main},
+#ifdef BB_PING //bin
+ {"ping", ping_main},
#endif
-#ifdef BB_POWEROFF //sbin
- {"poweroff", poweroff_main},
+#ifdef BB_POWEROFF //sbin
+ {"poweroff", poweroff_main},
#endif
-#ifdef BB_PRINTF //usr/bin
- {"printf", printf_main},
+#ifdef BB_PRINTF //usr/bin
+ {"printf", printf_main},
#endif
-#ifdef BB_PS //bin
- {"ps", ps_main},
+#ifdef BB_PS //bin
+ {"ps", ps_main},
#endif
-#ifdef BB_PWD //bin
- {"pwd", pwd_main},
+#ifdef BB_PWD //bin
+ {"pwd", pwd_main},
#endif
-#ifdef BB_REBOOT //sbin
- {"reboot", reboot_main},
+#ifdef BB_REBOOT //sbin
+ {"reboot", reboot_main},
#endif
-#ifdef BB_RM //bin
- {"rm", rm_main},
+#ifdef BB_RM //bin
+ {"rm", rm_main},
#endif
-#ifdef BB_RMDIR //bin
- {"rmdir", rmdir_main},
+#ifdef BB_RMDIR //bin
+ {"rmdir", rmdir_main},
#endif
-#ifdef BB_RMMOD //sbin
- {"rmmod", rmmod_main},
+#ifdef BB_RMMOD //sbin
+ {"rmmod", rmmod_main},
#endif
-#ifdef BB_SFDISK //sbin
- {"fdisk", sfdisk_main},
- {"sfdisk", sfdisk_main},
+#ifdef BB_SFDISK //sbin
+ {"fdisk", sfdisk_main},
+ {"sfdisk", sfdisk_main},
#endif
-#ifdef BB_SED //bin
- {"sed", sed_main},
+#ifdef BB_SED //bin
+ {"sed", sed_main},
#endif
-#ifdef BB_SLEEP //bin
- {"sleep", sleep_main},
+#ifdef BB_SLEEP //bin
+ {"sleep", sleep_main},
#endif
-#ifdef BB_SORT //bin
- {"sort", sort_main},
+#ifdef BB_SORT //bin
+ {"sort", sort_main},
#endif
-#ifdef BB_SYNC //bin
- {"sync", sync_main},
+#ifdef BB_SYNC //bin
+ {"sync", sync_main},
#endif
-#ifdef BB_SYSLOGD //sbin
- {"syslogd", syslogd_main},
+#ifdef BB_SYSLOGD //sbin
+ {"syslogd", syslogd_main},
#endif
-#ifdef BB_LOGGER //usr/bin
- {"logger", logger_main},
+#ifdef BB_LOGGER //usr/bin
+ {"logger", logger_main},
#endif
-#ifdef BB_LOGNAME //usr/bin
- {"logname", logname_main},
+#ifdef BB_LOGNAME //usr/bin
+ {"logname", logname_main},
#endif
-#ifdef BB_SWAPONOFF //sbin
- {"swapon", swap_on_off_main},
- {"swapoff", swap_on_off_main},
+#ifdef BB_SWAPONOFF //sbin
+ {"swapon", swap_on_off_main},
+ {"swapoff", swap_on_off_main},
#endif
-#ifdef BB_TAIL //usr/bin
- {"tail", tail_main},
+#ifdef BB_TAIL //usr/bin
+ {"tail", tail_main},
#endif
-#ifdef BB_TAR //bin
- {"tar", tar_main},
+#ifdef BB_TAR //bin
+ {"tar", tar_main},
#endif
-#ifdef BB_TEE //bin
- {"tee", tee_main},
+#ifdef BB_TEE //bin
+ {"tee", tee_main},
#endif
-#ifdef BB_TOUCH //usr/bin
- {"touch", touch_main},
+#ifdef BB_TOUCH //usr/bin
+ {"touch", touch_main},
#endif
-#ifdef BB_TRUE_FALSE //bin
- {"true", true_main},
- {"false", false_main},
+#ifdef BB_TRUE_FALSE //bin
+ {"true", true_main},
+ {"false", false_main},
#endif
-#ifdef BB_TTY //usr/bin
- {"tty", tty_main},
+#ifdef BB_TTY //usr/bin
+ {"tty", tty_main},
#endif
-#ifdef BB_UNAME //bin
- {"uname", uname_main},
+#ifdef BB_UNAME //bin
+ {"uname", uname_main},
#endif
-#ifdef BB_UMOUNT //bin
- {"umount", umount_main},
+#ifdef BB_UMOUNT //bin
+ {"umount", umount_main},
#endif
-#ifdef BB_UNIQ //bin
- {"uniq", uniq_main},
+#ifdef BB_UNIQ //bin
+ {"uniq", uniq_main},
#endif
-#ifdef BB_UPDATE //sbin
- {"update", update_main},
+#ifdef BB_UPDATE //sbin
+ {"update", update_main},
#endif
-#ifdef BB_WC //usr/bin
- {"wc", wc_main},
+#ifdef BB_WC //usr/bin
+ {"wc", wc_main},
#endif
-#ifdef BB_WHOAMI //usr/bin
- {"whoami", whoami_main},
+#ifdef BB_WHOAMI //usr/bin
+ {"whoami", whoami_main},
#endif
-#ifdef BB_YES //usr/bin
- {"yes", yes_main},
+#ifdef BB_YES //usr/bin
+ {"yes", yes_main},
#endif
-#ifdef BB_GUNZIP //bin
- {"zcat", gunzip_main},
- {"gunzip", gunzip_main},
+#ifdef BB_GUNZIP //bin
+ {"zcat", gunzip_main},
+ {"gunzip", gunzip_main},
#endif
-#ifdef BB_GZIP //bin
- {"gzip", gzip_main},
+#ifdef BB_GZIP //bin
+ {"gzip", gzip_main},
#endif
- {0}
+ {0}
};
int main(int argc, char **argv)
{
- char *s = argv[0];
- char *name = argv[0];
- const struct Applet *a = applets;
+ char *s = argv[0];
+ char *name = argv[0];
+ const struct Applet *a = applets;
- while (*s != '\0') {
- if (*s++ == '/')
- name = s;
- }
+ while (*s != '\0') {
+ if (*s++ == '/')
+ name = s;
+ }
- while (a->name != 0) {
- if (strcmp(name, a->name) == 0) {
- int status;
+ while (a->name != 0) {
+ if (strcmp(name, a->name) == 0) {
+ int status;
- status = ((*(a->main)) (argc, argv));
- if (status < 0) {
- fprintf(stderr, "%s: %s\n", a->name, strerror(errno));
- }
- fprintf(stderr, "\n");
- exit(status);
+ status = ((*(a->main)) (argc, argv));
+ if (status < 0) {
+ fprintf(stderr, "%s: %s\n", a->name, strerror(errno));
+ }
+ fprintf(stderr, "\n");
+ exit(status);
+ }
+ a++;
}
- a++;
- }
- exit (busybox_main(argc, argv));
+ exit(busybox_main(argc, argv));
}
int busybox_main(int argc, char **argv)
{
- int col=0;
- argc--;
- argv++;
+ int col = 0;
- if (been_there_done_that == 1 || argc < 1) {
- const struct Applet *a = applets;
- fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n\n",
- BB_VER, BB_BT);
- fprintf(stderr, "Usage: busybox [function] [arguments]...\n");
- fprintf(stderr, " or: [function] [arguments]...\n\n");
- fprintf(stderr,
- "\tMost people will create a symlink to busybox for each\n"
- "\tfunction name, and busybox will act like whatever you invoke it as.\n");
- fprintf(stderr, "\nCurrently defined functions:\n");
+ argc--;
+ argv++;
- while (a->name != 0) {
- col+=fprintf(stderr, "%s%s", ((col==0)? "\t":", "), (a++)->name);
- if (col>60 && a->name != 0) {
- fprintf(stderr, ",\n");
- col=0;
- }
+ if (been_there_done_that == 1 || argc < 1) {
+ const struct Applet *a = applets;
+
+ fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n\n",
+ BB_VER, BB_BT);
+ fprintf(stderr, "Usage: busybox [function] [arguments]...\n");
+ fprintf(stderr, " or: [function] [arguments]...\n\n");
+ fprintf(stderr,
+ "\tMost people will create a symlink to busybox for each\n"
+ "\tfunction name, and busybox will act like whatever you invoke it as.\n");
+ fprintf(stderr, "\nCurrently defined functions:\n");
+
+ while (a->name != 0) {
+ col +=
+ fprintf(stderr, "%s%s", ((col == 0) ? "\t" : ", "),
+ (a++)->name);
+ if (col > 60 && a->name != 0) {
+ fprintf(stderr, ",\n");
+ col = 0;
+ }
+ }
+ fprintf(stderr, "\n\n");
+ exit(-1);
+ } else {
+ /* If we've already been here once, exit now */
+ been_there_done_that = 1;
+ return (main(argc, argv));
}
- fprintf(stderr, "\n\n");
- exit(-1);
- } else {
- /* If we've already been here once, exit now */
- been_there_done_that = 1;
- return (main(argc, argv));
- }
}