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394eebed66
lpr: more robust error reporting *: introduce and use xchroot libbb: full_read/write now will report partial data counts prior to error isdirectory.c: style fixes lpd_main 249 486 +237 xchroot - 29 +29 get_response_or_say_and_die 110 139 +29 full_write 52 60 +8 full_read 55 63 +8 static.newline 1 - -1 switch_root_main 404 400 -4 chpst_main 1089 1079 -10 getopt32 1370 1359 -11 chroot_main 115 101 -14 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 4/4 up/down: 311/-40) Total: 271 bytes text data bss dec hex filename 798472 728 7484 806684 c4f1c busybox_old 798775 728 7484 806987 c504b busybox_unstripped
38 lines
724 B
C
38 lines
724 B
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini chroot implementation for busybox
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*
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* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
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#include "libbb.h"
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int chroot_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int chroot_main(int argc, char **argv)
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{
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if (argc < 2) {
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bb_show_usage();
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}
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++argv;
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xchroot(*argv);
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xchdir("/");
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++argv;
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if (argc == 2) {
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argv -= 2;
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argv[0] = getenv("SHELL");
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if (!argv[0]) {
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argv[0] = (char *) DEFAULT_SHELL;
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}
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argv[1] = (char *) "-i";
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}
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BB_EXECVP(*argv, argv);
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bb_perror_msg_and_die("cannot execute %s", *argv);
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}
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