Add some const qualifiers

diff --git a/netdissect.c b/netdissect.c
index 61aa2c2b4931df7f331f24795b8b404212a4e4e3..000d1ffce8c2c6eb9a47f36e9a79e0b5ec2b258e 100644 (file)
--- a/netdissect.c
+++ b/netdissect.c
@@ -149,7 +149,7 @@ nd_smi_version_string(void)
 
 int
 nd_push_buffer(netdissect_options *ndo, u_char *new_buffer,
-              const u_char *new_packetp, u_int newlen)
+              const u_char *new_packetp, const u_int newlen)
 {
        struct netdissect_saved_packet_info *ndspi;
 
@@ -182,7 +182,7 @@ nd_push_buffer(netdissect_options *ndo, u_char *new_buffer,
  *    set the snapshot end to that new value.
  */
 int
-nd_push_snaplen(netdissect_options *ndo, const u_char *bp, u_int newlen)
+nd_push_snaplen(netdissect_options *ndo, const u_char *bp, const u_int newlen)
 {
        struct netdissect_saved_packet_info *ndspi;
        u_int snaplen_remaining;
@@ -242,7 +242,7 @@ nd_push_snaplen(netdissect_options *ndo, const u_char *bp, u_int newlen)
  * atop which the current one was pushed, however.
  */
 void
-nd_change_snaplen(netdissect_options *ndo, const u_char *bp, u_int newlen)
+nd_change_snaplen(netdissect_options *ndo, const u_char *bp, const u_int newlen)
 {
        struct netdissect_saved_packet_info *ndspi;
        const u_char *previous_snapend;

diff --git a/netdissect.h b/netdissect.h
index 909b7c874326d8428848c6376a5b22a21c792920..7800574e915d7c27cab21a2840d30dd1f15f36a6 100644 (file)
--- a/netdissect.h
+++ b/netdissect.h
@@ -262,11 +262,9 @@ struct netdissect_options {
                      PRINTFLIKE_FUNCPTR(2, 3);
 };
 
-extern WARN_UNUSED_RESULT int nd_push_buffer(netdissect_options *, u_char *,
-    const u_char *, u_int);
-extern WARN_UNUSED_RESULT int nd_push_snaplen(netdissect_options *,
-    const u_char *, u_int);
-extern void nd_change_snaplen(netdissect_options *, const u_char *, u_int);
+extern WARN_UNUSED_RESULT int nd_push_buffer(netdissect_options *, u_char *, const u_char *, const u_int);
+extern WARN_UNUSED_RESULT int nd_push_snaplen(netdissect_options *, const u_char *, const u_int);
+extern void nd_change_snaplen(netdissect_options *, const u_char *, const u_int);
 extern void nd_pop_packet_info(netdissect_options *);
 extern void nd_pop_all_packet_info(netdissect_options *);