agetty: use ignore_result() or write(1, ...)
Signed-off-by: Karel Zak <kzak@redhat.com>
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06ceeef851
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@ -35,6 +35,7 @@
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#include "strutils.h"
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#include "nls.h"
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#include "pathnames.h"
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#include "c.h"
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#ifdef __linux__
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#include <sys/param.h>
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@ -304,7 +305,7 @@ main(argc, argv)
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/* write the modem init string and DON'T flush the buffers */
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if (options.flags & F_INITSTRING) {
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debug("writing init string\n");
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write(1, options.initstring, strlen(options.initstring));
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ignore_result( write(1, options.initstring, strlen(options.initstring)) );
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}
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if (!(options.flags & F_LOCAL)) {
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@ -354,7 +355,7 @@ main(argc, argv)
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/* Now the newline character should be properly written. */
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(void) write(1, "\n", 1);
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ignore_result( write(1, "\n", 1) );
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/* Let the login program take care of password validation. */
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@ -600,7 +601,7 @@ update_utmp(line)
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if ((lf = open(_PATH_WTMPLOCK, O_CREAT|O_WRONLY, 0660)) >= 0) {
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flock(lf, LOCK_EX);
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if ((ut_fd = open(_PATH_WTMP, O_APPEND|O_WRONLY)) >= 0) {
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write(ut_fd, &ut, sizeof(ut));
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ignore_result( write(ut_fd, &ut, sizeof(ut)) );
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close(ut_fd);
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}
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flock(lf, LOCK_UN);
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@ -681,14 +682,15 @@ open_tty(tty, tp, local)
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* 0622 is suitable for SYSV <4 because /bin/login does not change
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* protections. SunOS 4 login will change the protections to 0620 (write
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* access for group tty) after the login has succeeded.
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*
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* Linux login(1) will change tty permissions.
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*/
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/*
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* Let us use 0600 for Linux for the period between getty and login
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*/
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(void) chown(tty, 0, 0); /* root, sys */
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(void) chmod(tty, 0600); /* 0622: crw--w--w- */
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ignore_result( chown(tty, 0, 0) ); /* root, sys */
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ignore_result( chmod(tty, 0600) ); /* 0622: crw--w--w- */
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errno = 0; /* ignore above errors */
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}
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@ -833,7 +835,7 @@ do_prompt(op, tp)
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(void) uname(&uts);
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#endif
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(void) write(1, "\r\n", 2); /* start a new line */
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ignore_result( write(1, "\r\n", 2) ); /* start a new line */
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#ifdef ISSUE /* optional: show /etc/issue */
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if ((op->flags & F_ISSUE) && (fd = fopen(op->issue, "r"))) {
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oflag = tp->c_oflag; /* save current setting */
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@ -976,9 +978,9 @@ do_prompt(op, tp)
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{
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char hn[MAXHOSTNAMELEN+1];
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if (gethostname(hn, sizeof(hn)) == 0)
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write(1, hn, strlen(hn));
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ignore_result( write(1, hn, strlen(hn)) );
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}
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(void) write(1, LOGIN, sizeof(LOGIN) - 1); /* always show login prompt */
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ignore_result( write(1, LOGIN, sizeof(LOGIN) - 1) ); /* always show login prompt */
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}
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/* next_speed - select next baud rate */
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@ -1079,7 +1081,7 @@ char *get_logname(op, cp, tp)
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case '#':
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cp->erase = ascval; /* set erase character */
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if (bp > logname) {
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(void) write(1, erase[cp->parity], 3);
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ignore_result( write(1, erase[cp->parity], 3) );
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bp--;
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}
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break;
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@ -1087,7 +1089,7 @@ char *get_logname(op, cp, tp)
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case '@':
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cp->kill = ascval; /* set kill character */
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while (bp > logname) {
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(void) write(1, erase[cp->parity], 3);
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ignore_result( write(1, erase[cp->parity], 3) );
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bp--;
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}
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break;
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@ -1099,7 +1101,7 @@ char *get_logname(op, cp, tp)
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} else if (bp - logname >= sizeof(logname) - 1) {
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error(_("%s: input overrun"), op->tty);
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} else {
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(void) write(1, &c, 1); /* echo the character */
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ignore_result( write(1, &c, 1) ); /* echo the character */
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*bp++ = ascval; /* and store it */
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}
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break;
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@ -1295,7 +1297,7 @@ error(const char *fmt, ...) {
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/* Terminate with CR-LF since the console mode is unknown. */
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(void) strcat(bp, "\r\n");
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if ((fd = open("/dev/console", 1)) >= 0) {
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(void) write(fd, buf, strlen(buf));
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ignore_result( write(fd, buf, strlen(buf)) );
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(void) close(fd);
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}
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#endif
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