fix a bunch of warnings

src/compat/convert.c

@@ -73,7 +73,7 @@ convert( config_t *box )
 	FILE *fp;
 	msg_t *msgs;
 	DB *db;
-	int i, ret, fd, uidval, maxuid, bl, uid, rmsgs, nmsgs, uv[2];
+	int i, ret, fd, uidval, maxuid, uid, rmsgs, nmsgs, uv[2];
 	unsigned u;
 	struct stat sb;
 	char buf[_POSIX_PATH_MAX], diumname[_POSIX_PATH_MAX],
@@ -160,7 +160,7 @@ convert( config_t *box )
 	rmsgs = 0;
 	nmsgs = 0;
 	for (i = 0; i < 2; i++) {
-		bl = nfsnprintf( buf, sizeof(buf), "%s/%s/", mboxdir, subdirs[i] );
+		nfsnprintf( buf, sizeof(buf), "%s/%s/", mboxdir, subdirs[i] );
 		if (!(d = opendir( buf ))) {
 			perror( "opendir" );
 		  err4:

src/drv_imap.c

@@ -324,7 +324,7 @@ static int
 init_ssl_ctx( imap_store_t *ctx )
 {
 	imap_server_conf_t *srvc = ((imap_store_conf_t *)ctx->gen.conf)->server;
-	SSL_METHOD *method;
+	const SSL_METHOD *method;
 	int options = 0;
 
 	if (srvc->use_tlsv1 && !srvc->use_sslv2 && !srvc->use_sslv3)

src/drv_maildir.c

@@ -661,7 +661,7 @@ maildir_scan( maildir_store_t *ctx, msglist_t *msglist )
 				else
 					u = ru = strchr( entry->base, ':' );
 				fnl = (u ?
-					nfsnprintf( buf + bl, sizeof(buf) - bl, "%s/%.*s,U=%d%s", subdirs[entry->recent], u - entry->base, entry->base, uid, ru ) :
+					nfsnprintf( buf + bl, sizeof(buf) - bl, "%s/%.*s,U=%d%s", subdirs[entry->recent], (int)(u - entry->base), entry->base, uid, ru ) :
 					nfsnprintf( buf + bl, sizeof(buf) - bl, "%s/%s,U=%d", subdirs[entry->recent], entry->base, uid ))
 					+ 1 - 4;
 				memcpy( nbuf, buf, bl + 4 );

src/sync.c

@@ -963,7 +963,7 @@ msgs_found_sel( sync_vars_t *svars, int t )
 	copy_vars_t *cv;
 	flag_vars_t *fv;
 	const char *diag;
-	int uid, minwuid, *mexcs, nmexcs, rmexcs, no[2], del[2], todel, nmsgs, t1, t2;
+	int uid, minwuid, *mexcs, nmexcs, rmexcs, no[2], del[2], todel, t1, t2;
 	int sflags, nflags, aflags, dflags, nex;
 	char fbuf[16]; /* enlarge when support for keywords is added */
 
@@ -981,7 +981,7 @@ msgs_found_sel( sync_vars_t *svars, int t )
 		uid = tmsg->uid;
 		if (DFlags & DEBUG) {
 			make_flags( tmsg->flags, fbuf );
-			printf( svars->ctx[t]->opts & OPEN_SIZE ? "  message %5d, %-4s, %6d: " : "  message %5d, %-4s: ", uid, fbuf, tmsg->size );
+			printf( svars->ctx[t]->opts & OPEN_SIZE ? "  message %5d, %-4s, %6lu: " : "  message %5d, %-4s: ", uid, fbuf, tmsg->size );
 		}
 		for (srec = nsrec; srec; srec = srec->next) {
 			if (srec->status & S_DEAD)
@@ -1081,7 +1081,7 @@ msgs_found_sel( sync_vars_t *svars, int t )
 	debug( "synchronizing new entries\n" );
 	svars->osrecadd = svars->srecadd;
 	for (t = 0; t < 2; t++) {
-		for (nmsgs = 0, tmsg = svars->ctx[1-t]->msgs; tmsg; tmsg = tmsg->next)
+		for (tmsg = svars->ctx[1-t]->msgs; tmsg; tmsg = tmsg->next)
 			if (tmsg->srec ? tmsg->srec->uid[t] < 0 && (tmsg->srec->uid[t] == -1 ? (svars->chan->ops[t] & OP_RENEW) : (svars->chan->ops[t] & OP_NEW)) : (svars->chan->ops[t] & OP_NEW)) {
 				debug( "new message %d on %s\n", tmsg->uid, str_ms[1-t] );
 				if ((svars->chan->ops[t] & OP_EXPUNGE) && (tmsg->flags & F_DELETED))