do not use sprintf(). always use snprintf().

[libpcap] / pcap-null.c

diff --git a/pcap-null.c b/pcap-null.c
index cbc818b01909d50b5a71e0c45588ee3b1d6b23af..963088fe04987b6f503688d0c543ff3585bdf296 100644 (file)
--- a/pcap-null.c
+++ b/pcap-null.c
@@ -20,7 +20,7 @@
  */
 #ifndef lint
 static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/libpcap/pcap-null.c,v 1.7 1999-10-07 23:46:40 mcr Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/libpcap/pcap-null.c,v 1.8 2000-04-27 09:11:13 itojun Exp $ (LBL)";
 #endif
 
 #include <sys/param.h>                 /* optionally get BSD define */
@@ -40,7 +40,7 @@ int
 pcap_stats(pcap_t *p, struct pcap_stat *ps)
 {
 
-       (void)sprintf(p->errbuf, "pcap_stats: %s", nosup);
+       (void)snprintf(p->errbuf, sizeof(p->errbuf), "pcap_stats: %s", nosup);
        return (-1);
 }
 
@@ -48,7 +48,7 @@ int
 pcap_read(pcap_t *p, int cnt, pcap_handler callback, u_char *user)
 {
 
-       (void)sprintf(p->errbuf, "pcap_read: %s", nosup);
+       (void)snprintf(p->errbuf, sizeof(p->errbuf), "pcap_read: %s", nosup);
        return (-1);
 }
 
@@ -65,7 +65,8 @@ pcap_setfilter(pcap_t *p, struct bpf_program *fp)
 {
 
        if (p->sf.rfile == NULL) {
-               (void)sprintf(p->errbuf, "pcap_setfilter: %s", nosup);
+               (void)snprintf(p->errbuf, sizeof(p->errbuf),
+                   "pcap_setfilter: %s", nosup);
                return (-1);
        }
        p->fcode = *fp;