(void) cast snprintf calls that cannot truncate

diff --git a/usr.sbin/smtpd/smtpd.c b/usr.sbin/smtpd/smtpd.c
index 8f4cac7..1a9c7f9 100644 (file)
--- a/usr.sbin/smtpd/smtpd.c
+++ b/usr.sbin/smtpd/smtpd.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: smtpd.c,v 1.220 2014/04/09 19:12:45 eric Exp $        */
+/*     $OpenBSD: smtpd.c,v 1.221 2014/04/19 14:00:45 gilles Exp $      */
 
 /*
  * Copyright (c) 2008 Gilles Chehade <gilles@poolp.org>
@@ -805,7 +805,7 @@ forkmda(struct mproc *p, uint64_t id, struct deliver *deliver)
 
        db = delivery_backend_lookup(deliver->mode);
        if (db == NULL) {
-               snprintf(ebuf, sizeof ebuf, "could not find delivery backend");
+               (void)snprintf(ebuf, sizeof ebuf, "could not find delivery backend");
                m_create(p_pony, IMSG_MDA_DONE, 0, 0, -1);
                m_add_id(p_pony, id);
                m_add_string(p_pony, ebuf);
@@ -814,7 +814,7 @@ forkmda(struct mproc *p, uint64_t id, struct deliver *deliver)
        }
 
        if (deliver->userinfo.uid == 0 && ! db->allow_root) {
-               snprintf(ebuf, sizeof ebuf, "not allowed to deliver to: %s",
+               (void)snprintf(ebuf, sizeof ebuf, "not allowed to deliver to: %s",
                    deliver->user);
                m_create(p_pony, IMSG_MDA_DONE, 0, 0, -1);
                m_add_id(p_pony, id);
@@ -824,7 +824,7 @@ forkmda(struct mproc *p, uint64_t id, struct deliver *deliver)
        }
 
        if (pipe(pipefd) < 0) {
-               snprintf(ebuf, sizeof ebuf, "pipe: %s", strerror(errno));
+               (void)snprintf(ebuf, sizeof ebuf, "pipe: %s", strerror(errno));
                m_create(p_pony, IMSG_MDA_DONE, 0, 0, -1);
                m_add_id(p_pony, id);
                m_add_string(p_pony, ebuf);
@@ -833,12 +833,12 @@ forkmda(struct mproc *p, uint64_t id, struct deliver *deliver)
        }
 
        /* prepare file which captures stdout and stderr */
-       strlcpy(sfn, "/tmp/smtpd.out.XXXXXXXXXXX", sizeof(sfn));
+       (void)strlcpy(sfn, "/tmp/smtpd.out.XXXXXXXXXXX", sizeof(sfn));
        omode = umask(7077);
        allout = mkstemp(sfn);
        umask(omode);
        if (allout < 0) {
-               snprintf(ebuf, sizeof ebuf, "mkstemp: %s", strerror(errno));
+               (void)snprintf(ebuf, sizeof ebuf, "mkstemp: %s", strerror(errno));
                m_create(p_pony, IMSG_MDA_DONE, 0, 0, -1);
                m_add_id(p_pony, id);
                m_add_string(p_pony, ebuf);
@@ -851,7 +851,7 @@ forkmda(struct mproc *p, uint64_t id, struct deliver *deliver)
 
        pid = fork();
        if (pid < 0) {
-               snprintf(ebuf, sizeof ebuf, "fork: %s", strerror(errno));
+               (void)snprintf(ebuf, sizeof ebuf, "fork: %s", strerror(errno));
                m_create(p_pony, IMSG_MDA_DONE, 0, 0, -1);
                m_add_id(p_pony, id);
                m_add_string(p_pony, ebuf);
@@ -1379,7 +1379,7 @@ imsg_to_str(int type)
        CASE(IMSG_SMTP_EVENT_ROLLBACK);
        CASE(IMSG_SMTP_EVENT_DISCONNECT);
        default:
-               snprintf(buf, sizeof(buf), "IMSG_??? (%d)", type);
+               (void)snprintf(buf, sizeof(buf), "IMSG_??? (%d)", type);
 
                return buf;
        }
@@ -1392,8 +1392,8 @@ parent_auth_user(const char *username, const char *password)
        char    pass[SMTPD_MAXLINESIZE];
        int     ret;
 
-       strlcpy(user, username, sizeof(user));
-       strlcpy(pass, password, sizeof(pass));
+       (void)strlcpy(user, username, sizeof(user));
+       (void)strlcpy(pass, password, sizeof(pass));
 
        ret = auth_userokay(user, NULL, "auth-smtp", pass);
        if (ret)