X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fplugins%2Fradius%2Fbuildreq.c;h=562790aa7887ea8d174021cce062a85abbcf843c;hp=3edd5ea92e1c0e0a864975670f5fa57b8aa87aa0;hb=c1c8357d05ed0039af411d3fd91d83e27be5edab;hpb=05f088613bebc9fb743c309e9b9390d376387f1c

diff --git a/pppd/plugins/radius/buildreq.c b/pppd/plugins/radius/buildreq.c
index 3edd5ea..562790a 100644
--- a/pppd/plugins/radius/buildreq.c
+++ b/pppd/plugins/radius/buildreq.c
@@ -94,7 +94,7 @@ unsigned char rc_get_seqnbr(void)
 {
 	FILE *sf;
 	int tries = 1;
-	int seq_nbr, pos;
+	int seq_nbr, pos, ret;
 	char *seqfile = rc_conf_str("seqfile");
 
 	if ((sf = fopen(seqfile, "a+")) == NULL)
@@ -135,7 +135,10 @@ unsigned char rc_get_seqnbr(void)
 	}
 
 	rewind(sf);
-	ftruncate(fileno(sf),0);
+	ret = ftruncate(fileno(sf),0);
+	if (ret != 0) {
+		error("rc_get_seqnbr: couldn't truncate sequence file, %m");
+	}
 	fprintf(sf,"%d\n", (seq_nbr+1) & UCHAR_MAX);
 
 	fflush(sf); /* fflush because a process may read it between the do_unlock and fclose */