diff options
Diffstat (limited to 'applets/busybox.c')
-rw-r--r-- | applets/busybox.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/applets/busybox.c b/applets/busybox.c deleted file mode 100644 index 47a8b40..0000000 --- a/applets/busybox.c +++ /dev/null @@ -1,158 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * BusyBox' main applet dispatcher. - * - * Licensed under GPLv2, see file LICENSE in this tarball for details. - */ -#include "busybox.h" - -const char *applet_name ATTRIBUTE_EXTERNALLY_VISIBLE; -#ifdef BB_NOMMU -smallint re_execed; -#endif - -#ifdef CONFIG_FEATURE_INSTALLER -/* - * directory table - * this should be consistent w/ the enum, busybox.h::Location, - * or else... - */ -static const char usr_bin [] = "/usr/bin"; -static const char usr_sbin[] = "/usr/sbin"; - -static const char* const install_dir[] = { - &usr_bin [8], /* "", equivalent to "/" for concat_path_file() */ - &usr_bin [4], /* "/bin" */ - &usr_sbin[4], /* "/sbin" */ - usr_bin, - usr_sbin -}; - -/* abstract link() */ -typedef int (*link_func)(const char *, const char *); - -/* create (sym)links for each applet */ -static void install_links(const char *busybox, int use_symbolic_links) -{ - link_func lf = link; - char *fpc; - int i; - int rc; - - if (use_symbolic_links) - lf = symlink; - - for (i = 0; applets[i].name != NULL; i++) { - fpc = concat_path_file( - install_dir[applets[i].location], - applets[i].name); - rc = lf(busybox, fpc); - if (rc != 0 && errno != EEXIST) { - bb_perror_msg("%s", fpc); - } - free(fpc); - } -} - -#else -#define install_links(x,y) -#endif /* CONFIG_FEATURE_INSTALLER */ - -int main(int argc, char **argv) -{ - const char *s; - -#ifdef BB_NOMMU - /* NOMMU re-exec trick sets high-order bit in first byte of name */ - if (argv[0][0] & 0x80) { - re_execed = 1; - argv[0][0] &= 0x7f; - } -#endif - - applet_name = argv[0]; - if (*applet_name == '-') - applet_name++; - while ((s = strchr(applet_name, '/'))) - applet_name = s + 1; - - /* Set locale for everybody except 'init' */ - if (ENABLE_LOCALE_SUPPORT && getpid() != 1) - setlocale(LC_ALL, ""); - - run_applet_by_name(applet_name, argc, argv); - bb_error_msg_and_die("applet not found"); -} - -int busybox_main(int argc, char **argv); -int busybox_main(int argc, char **argv) -{ - /* - * This style of argument parsing doesn't scale well - * in the event that busybox starts wanting more --options. - * If someone has a cleaner approach, by all means implement it. - */ - if (ENABLE_FEATURE_INSTALLER && argc > 1 && !strcmp(argv[1], "--install")) { - int use_symbolic_links = 0; - char *busybox; - - /* to use symlinks, or not to use symlinks... */ - if (argc > 2) - if (strcmp(argv[2], "-s") == 0) - use_symbolic_links = 1; - - /* link */ -// XXX: FIXME: this is broken. Why not just use argv[0] ? - busybox = xmalloc_readlink_or_warn("/proc/self/exe"); - if (!busybox) - return 1; - install_links(busybox, use_symbolic_links); - if (ENABLE_FEATURE_CLEAN_UP) - free(busybox); - return 0; - } - - /* Deal with --help. (Also print help when called with no arguments) */ - - if (argc == 1 || !strcmp(argv[1], "--help") ) { - if (argc > 2) { - applet_name = argv[2]; - run_applet_by_name(applet_name, 2, argv); - } else { - const struct BB_applet *a; - int col, output_width; - - output_width = 80 - sizeof("start-stop-daemon, ") - 8; - if (ENABLE_FEATURE_AUTOWIDTH) { - /* Obtain the terminal width. */ - get_terminal_width_height(0, &output_width, NULL); - /* leading tab and room to wrap */ - output_width -= sizeof("start-stop-daemon, ") + 8; - } - - printf("%s\n" - "Copyright (C) 1998-2006 Erik Andersen, Rob Landley, and others.\n" - "Licensed under GPLv2. See source distribution for full notice.\n\n" - "Usage: busybox [function] [arguments]...\n" - " or: [function] [arguments]...\n\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" - "\nCurrently defined functions:\n", bb_msg_full_version); - col = 0; - for (a = applets; a->name;) { - col += printf("%s%s", (col ? ", " : "\t"), a->name); - a++; - if (col > output_width && a->name) { - puts(","); - col = 0; - } - } - puts("\n"); - return 0; - } - } else run_applet_by_name(argv[1], argc - 1, argv + 1); - - bb_error_msg_and_die("applet not found"); -} |