X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/fe9b593bac67c5485579ab89f21dd9e4490799fc..69f03c1c03b280b9c5863bfb47e8847d59b4ee6b:/netdissect.c

diff --git a/netdissect.c b/netdissect.c
index 72923a17..93e633a6 100644
--- 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;
 
@@ -172,7 +172,7 @@ nd_push_buffer(netdissect_options *ndo, u_char *new_buffer,
 /*
  * In a given netdissect_options structure:
  *
- *,   push the current packet information onto the packet informaton
+ *    push the current packet information onto the packet information
  *    stack;
  *
  *    given a pointer into the packet and a length past that point in
@@ -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;
@@ -299,3 +299,17 @@ nd_pop_all_packet_info(netdissect_options *ndo)
 	while (ndo->ndo_packet_info_stack != NULL)
 		nd_pop_packet_info(ndo);
 }
+
+NORETURN void
+nd_trunc_longjmp(netdissect_options *ndo)
+{
+	longjmp(ndo->ndo_early_end, ND_TRUNCATED);
+#ifdef _AIX
+	/*
+	 * In AIX <setjmp.h> decorates longjmp() with "#pragma leaves", which tells
+	 * XL C that the function is noreturn, but GCC remains unaware of that and
+	 * yields a "'noreturn' function does return" warning.
+	 */
+	ND_UNREACHABLE
+#endif /* _AIX */
+}