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vlock: get rid of statics

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This commit is contained in:
Denis Vlasenko 2007-09-27 10:12:02 +00:00
parent 5d61e71c3a
commit 33b900f984
1 changed files with 18 additions and 18 deletions
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36
loginutils/vlock.c
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@ -19,15 +19,13 @@
#include "libbb.h" #include "libbb.h"
#include <sys/vt.h> #include <sys/vt.h>
static struct passwd *pw; enum { vfd = 3 };
static struct vt_mode ovtm;
static struct termios oterm; /* static unsigned long o_lock_all; */
static int vfd;
static unsigned long o_lock_all;
static void release_vt(int signo) static void release_vt(int signo)
{ {
ioctl(vfd, VT_RELDISP, !o_lock_all); ioctl(vfd, VT_RELDISP, (unsigned long) !option_mask32 /*!o_lock_all*/);
} }
static void acquire_vt(int signo) static void acquire_vt(int signo)
@ -35,12 +33,6 @@ static void acquire_vt(int signo)
ioctl(vfd, VT_RELDISP, VT_ACKACQ); ioctl(vfd, VT_RELDISP, VT_ACKACQ);
} }
static void restore_terminal(void)
{
ioctl(vfd, VT_SETMODE, &ovtm);
tcsetattr(STDIN_FILENO, TCSANOW, &oterm);
}
int vlock_main(int argc, char **argv); int vlock_main(int argc, char **argv);
int vlock_main(int argc, char **argv) int vlock_main(int argc, char **argv)
{ {
@ -48,8 +40,12 @@ int vlock_main(int argc, char **argv)
struct sigaction sa; struct sigaction sa;
struct vt_mode vtm; struct vt_mode vtm;
struct termios term; struct termios term;
uid_t uid = getuid(); struct termios oterm;
struct vt_mode ovtm;
uid_t uid;
struct passwd *pw;
uid = getuid();
pw = getpwuid(uid); pw = getpwuid(uid);
if (pw == NULL) if (pw == NULL)
bb_error_msg_and_die("unknown uid %d", uid); bb_error_msg_and_die("unknown uid %d", uid);
@ -58,10 +54,10 @@ int vlock_main(int argc, char **argv)
bb_show_usage(); bb_show_usage();
} }
o_lock_all = getopt32(argv, "a"); /*o_lock_all = */getopt32(argv, "a");
vfd = xopen(CURRENT_TTY, O_RDWR);
/* Avoid using statics - use constant fd */
xmove_fd(xopen(CURRENT_TTY, O_RDWR), vfd);
xioctl(vfd, VT_GETMODE, &vtm); xioctl(vfd, VT_GETMODE, &vtm);
/* mask a bunch of signals */ /* mask a bunch of signals */
@ -105,13 +101,17 @@ int vlock_main(int argc, char **argv)
tcsetattr(STDIN_FILENO, TCSANOW, &term); tcsetattr(STDIN_FILENO, TCSANOW, &term);
do { do {
printf("Virtual Console%s locked by %s.\n", (o_lock_all) ? "s" : "", pw->pw_name); printf("Virtual console%s locked by %s.\n",
option_mask32 /*o_lock_all*/ ? "s" : "",
pw->pw_name);
if (correct_password(pw)) { if (correct_password(pw)) {
break; break;
} }
bb_do_delay(FAIL_DELAY); bb_do_delay(FAIL_DELAY);
puts("Password incorrect"); puts("Password incorrect");
} while (1); } while (1);
restore_terminal();
ioctl(vfd, VT_SETMODE, &ovtm);
tcsetattr(STDIN_FILENO, TCSANOW, &oterm);
fflush_stdout_and_exit(0); fflush_stdout_and_exit(0);
} }