diff options
Diffstat (limited to 'usr.bin/wall')
| -rw-r--r-- | usr.bin/wall/wall.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/usr.bin/wall/wall.c b/usr.bin/wall/wall.c index a8ac257..7a01d0e 100644 --- a/usr.bin/wall/wall.c +++ b/usr.bin/wall/wall.c @@ -68,6 +68,7 @@ static const char rcsid[] = void makemsg __P((char *)); static void usage __P((void)); +char *ttymsg __P((struct iovec *, int, char *, int)); #define IGNOREUSER "sleeper" @@ -85,7 +86,7 @@ main(argc, argv) struct iovec iov; struct utmp utmp; FILE *fp; - char *p, *ttymsg(); + char *p; char line[sizeof(utmp.ut_line) + 1]; (void)setlocale(LC_CTYPE, ""); @@ -109,7 +110,7 @@ main(argc, argv) makemsg(*argv); if (!(fp = fopen(_PATH_UTMP, "r"))) - errx(1, "cannot read %s", _PATH_UTMP); + err(1, "cannot read %s", _PATH_UTMP); iov.iov_base = mbuf; iov.iov_len = mbufsize; /* NOSTRICT */ @@ -144,17 +145,17 @@ makemsg(fname) time_t now; FILE *fp; int fd; - char *p, *whom, hostname[MAXHOSTNAMELEN], lbuf[256], tmpname[64]; + char *p, *tty, hostname[MAXHOSTNAMELEN], lbuf[256], tmpname[64]; + const char *whom; - snprintf(tmpname, sizeof(tmpname), "%s/wall.XXXXXX", _PATH_TMP); - - if (!(fd = mkstemp(tmpname)) || !(fp = fdopen(fd, "r+"))) - errx(1, "can't open temporary file"); + (void)snprintf(tmpname, sizeof(tmpname), "%s/wall.XXXXXX", _PATH_TMP); + if ((fd = mkstemp(tmpname)) == -1 || !(fp = fdopen(fd, "r+"))) + err(1, "can't open temporary file"); (void)unlink(tmpname); if (!nobanner) { - char *tty = ttyname(2); - if (!tty) + tty = ttyname(STDERR_FILENO); + if (tty == NULL) tty = "no tty"; if (!(whom = getlogin())) @@ -175,7 +176,7 @@ makemsg(fname) "Broadcast Message from %s@%s", whom, hostname); (void)fprintf(fp, "%-79.79s\007\007\r\n", lbuf); - (void)snprintf(lbuf, sizeof(lbuf), + (void)snprintf(lbuf, sizeof(lbuf), " (%s) at %d:%02d %s...", tty, lt->tm_hour, lt->tm_min, lt->tm_zone); (void)fprintf(fp, "%-79.79s\r\n", lbuf); @@ -183,7 +184,7 @@ makemsg(fname) (void)fprintf(fp, "%79s\r\n", " "); if (fname && !(freopen(fname, "r", stdin))) - errx(1, "can't read %s", fname); + err(1, "can't read %s", fname); while (fgets(lbuf, sizeof(lbuf), stdin)) for (cnt = 0, p = lbuf; (ch = *p) != '\0'; ++p, ++cnt) { if (ch == '\r') { @@ -232,11 +233,11 @@ makemsg(fname) rewind(fp); if (fstat(fd, &sbuf)) - errx(1, "can't stat temporary file"); + err(1, "can't stat temporary file"); mbufsize = sbuf.st_size; if (!(mbuf = malloc((u_int)mbufsize))) - errx(1, "out of memory"); + err(1, "out of memory"); if (fread(mbuf, sizeof(*mbuf), mbufsize, fp) != mbufsize) - errx(1, "can't read temporary file"); + err(1, "can't read temporary file"); (void)close(fd); } |
