mesg: operate on stdin, not on stderr (compat)
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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@ -60,17 +60,17 @@ int mesg_main(int argc UNUSED_PARAM, char **argv)
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bb_show_usage();
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}
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if (!isatty(STDERR_FILENO))
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if (!isatty(STDIN_FILENO))
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bb_error_msg_and_die("not a tty");
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xfstat(STDERR_FILENO, &sb, "stderr");
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xfstat(STDIN_FILENO, &sb, "stderr");
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if (c == 0) {
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puts((sb.st_mode & (S_IWGRP|S_IWOTH)) ? "is y" : "is n");
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return EXIT_SUCCESS;
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}
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m = (c == 'y') ? sb.st_mode | S_IWGRP_OR_S_IWOTH
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: sb.st_mode & ~(S_IWGRP|S_IWOTH);
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if (fchmod(STDERR_FILENO, m) != 0)
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if (fchmod(STDIN_FILENO, m) != 0)
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bb_perror_nomsg_and_die();
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return EXIT_SUCCESS;
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}
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