icmp: clean up the extension code and comments.

[tcpdump] / extract.h

diff --git a/extract.h b/extract.h
index 2ea7763a6eca381758f38609b3a95fe697c11fa5..c355c4d97be554c804cdf51fbb079202ffb1a84b 100644 (file)
--- a/extract.h
+++ b/extract.h
@@ -37,6 +37,7 @@
  */
 #include "funcattrs.h"
 #include "netdissect.h"
+#include "diag-control.h"
 
 /*
  * If we have versions of GCC or Clang that support an __attribute__
@@ -579,6 +580,14 @@ static inline 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 */
 }
 
 /* get_u_1 and get_s_1 */