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mesg: operate on stdin, not on stderr (compat)

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2011-03-28 00:59:16 +02:00
parent 95755181b8
commit 4a2aecb53a
1 changed files with 3 additions and 3 deletions
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6
init/mesg.c
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@ -60,17 +60,17 @@ int mesg_main(int argc UNUSED_PARAM, char **argv)
bb_show_usage();
}
if (!isatty(STDERR_FILENO))
if (!isatty(STDIN_FILENO))
bb_error_msg_and_die("not a tty");
xfstat(STDERR_FILENO, &sb, "stderr");
xfstat(STDIN_FILENO, &sb, "stderr");
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 (fchmod(STDERR_FILENO, m) != 0)
if (fchmod(STDIN_FILENO, m) != 0)
bb_perror_nomsg_and_die();
return EXIT_SUCCESS;
}