src/usr.bin/write/write.c - diff

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version 1.31, 2015/10/09 01:37:09

version 1.32, 2015/10/20 20:21:18

Line 228

time_t now;

char path[PATH_MAX], host[HOST_NAME_MAX+1], line[512];

gid_t gid;

int fd;

/* Determine our login name before the we reopen() stdout */

if ((login = getlogin()) == NULL) {

Line 238

Line 239

}

(void)snprintf(path, sizeof(path), "%s%s", _PATH_DEV, tty);

if ((freopen(path, "r+", stdout)) == NULL)

fd = open(path, O_WRONLY, 0666);

err(1, "%s", path);

if (fd == -1)

err(1, "open %s", path);

fflush(stdout);

if (dup2(fd, STDOUT_FILENO) == -1)

err(1, "dup2 %s", path);

if (fd != STDOUT_FILENO)

close(fd);

/* revoke privs, now that we have opened the tty */

gid = getgid();