(void) cast strlcat(), they can't truncate

diff --git a/usr.sbin/smtpd/ioev.c b/usr.sbin/smtpd/ioev.c
index faf5af6..eddaaf5 100644 (file)
--- a/usr.sbin/smtpd/ioev.c
+++ b/usr.sbin/smtpd/ioev.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: ioev.c,v 1.16 2014/02/04 09:59:21 eric Exp $  */
+/*     $OpenBSD: ioev.c,v 1.17 2014/04/19 12:48:54 gilles Exp $        */
 /*      
  * Copyright (c) 2012 Eric Faurot <eric@openbsd.org>
  *
@@ -451,23 +451,23 @@ io_strflags(int flags)
 
        switch (flags & IO_RW) {
        case 0:
-               strlcat(buf, "rw", sizeof buf);
+               (void)strlcat(buf, "rw", sizeof buf);
                break;
        case IO_READ:
-               strlcat(buf, "R", sizeof buf);
+               (void)strlcat(buf, "R", sizeof buf);
                break;
        case IO_WRITE:
-               strlcat(buf, "W", sizeof buf);
+               (void)strlcat(buf, "W", sizeof buf);
                break;
        case IO_RW:
-               strlcat(buf, "RW", sizeof buf);
+               (void)strlcat(buf, "RW", sizeof buf);
                break;
        }
 
        if (flags & IO_PAUSE_IN)
-               strlcat(buf, ",F_PI", sizeof buf);
+               (void)strlcat(buf, ",F_PI", sizeof buf);
        if (flags & IO_PAUSE_OUT)
-               strlcat(buf, ",F_PO", sizeof buf);
+               (void)strlcat(buf, ",F_PO", sizeof buf);
 
        return buf;
 }
@@ -483,46 +483,46 @@ io_evstr(short ev)
        buf[0] = '\0';
 
        if (ev == 0) {
-               strlcat(buf, "<NONE>", sizeof(buf));
+               (void)strlcat(buf, "<NONE>", sizeof(buf));
                return buf;
        }
 
        if (ev & EV_TIMEOUT) {
-               strlcat(buf, "EV_TIMEOUT", sizeof(buf));
+               (void)strlcat(buf, "EV_TIMEOUT", sizeof(buf));
                ev &= ~EV_TIMEOUT;
                n++;
        }
 
        if (ev & EV_READ) {
                if (n)
-                       strlcat(buf, "|", sizeof(buf));
-               strlcat(buf, "EV_READ", sizeof(buf));
+                       (void)strlcat(buf, "|", sizeof(buf));
+               (void)strlcat(buf, "EV_READ", sizeof(buf));
                ev &= ~EV_READ;
                n++;
        }
 
        if (ev & EV_WRITE) {
                if (n)
-                       strlcat(buf, "|", sizeof(buf));
-               strlcat(buf, "EV_WRITE", sizeof(buf));
+                       (void)strlcat(buf, "|", sizeof(buf));
+               (void)strlcat(buf, "EV_WRITE", sizeof(buf));
                ev &= ~EV_WRITE;
                n++;
        }
 
        if (ev & EV_SIGNAL) {
                if (n)
-                       strlcat(buf, "|", sizeof(buf));
-               strlcat(buf, "EV_SIGNAL", sizeof(buf));
+                       (void)strlcat(buf, "|", sizeof(buf));
+               (void)strlcat(buf, "EV_SIGNAL", sizeof(buf));
                ev &= ~EV_SIGNAL;
                n++;
        }
 
        if (ev) {
                if (n)
-                       strlcat(buf, "|", sizeof(buf));
-               strlcat(buf, "EV_?=0x", sizeof(buf));
-               snprintf(buf2, sizeof(buf2), "%hx", ev);
-               strlcat(buf, buf2, sizeof(buf));
+                       (void)strlcat(buf, "|", sizeof(buf));
+               (void)strlcat(buf, "EV_?=0x", sizeof(buf));
+               (void)snprintf(buf2, sizeof(buf2), "%hx", ev);
+               (void)strlcat(buf, buf2, sizeof(buf));
        }
 
        return buf;