mirror of
https://github.com/sheumann/hush.git
synced 2024-12-30 05:29:47 +00:00
2ec91aead5
function old new delta whoami_main 34 37 +3 logname_main 60 63 +3 hostid_main 35 38 +3 ttysize_main 136 135 -1 nmeter_main 673 672 -1 logger_main 387 386 -1 uuencode_main 330 328 -2 ifupdown_main 2125 2123 -2 mesg_main 158 155 -3 free_main 333 330 -3 cal_main 902 899 -3 acpid_main 443 440 -3 ar_main 196 189 -7 find_main 476 467 -9 ifconfig_main 1235 1221 -14 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/12 up/down: 9/-49) Total: -40 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* mesg implementation for busybox
|
|
*
|
|
* Copyright (c) 2002 Manuel Novoa III <mjn3@codepoet.org>
|
|
*
|
|
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
|
|
*/
|
|
|
|
#include "libbb.h"
|
|
|
|
#ifdef USE_TTY_GROUP
|
|
#define S_IWGRP_OR_S_IWOTH S_IWGRP
|
|
#else
|
|
#define S_IWGRP_OR_S_IWOTH (S_IWGRP | S_IWOTH)
|
|
#endif
|
|
|
|
int mesg_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
|
int mesg_main(int argc UNUSED_PARAM, char **argv)
|
|
{
|
|
struct stat sb;
|
|
const char *tty;
|
|
char c = 0;
|
|
|
|
argv++;
|
|
|
|
if (!argv[0]
|
|
|| (!argv[1] && ((c = argv[0][0]) == 'y' || c == 'n'))
|
|
) {
|
|
tty = xmalloc_ttyname(STDERR_FILENO);
|
|
if (tty == NULL) {
|
|
tty = "ttyname";
|
|
} else if (stat(tty, &sb) == 0) {
|
|
mode_t m;
|
|
if (c == 0) {
|
|
puts((sb.st_mode & (S_IWGRP|S_IWOTH)) ? "is y" : "is n");
|
|
return EXIT_SUCCESS;
|
|
}
|
|
m = (c == 'y') ? sb.st_mode | S_IWGRP_OR_S_IWOTH
|
|
: sb.st_mode & ~(S_IWGRP|S_IWOTH);
|
|
if (chmod(tty, m) == 0) {
|
|
return EXIT_SUCCESS;
|
|
}
|
|
}
|
|
bb_simple_perror_msg_and_die(tty);
|
|
}
|
|
bb_show_usage();
|
|
}
|