Add a test to verify we pre-allocated enough hf entries.

This way we'll know as soon as we drop below the pre-allocated limit. As
suggested by Graham on https://code.wireshark.org/review/10601

Change-Id: Ieeb14bdcf991d7a67c30787c97ca24ebb35d1763
Reviewed-on: https://code.wireshark.org/review/10627
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/tshark.c b/tshark.c
index ff37f85557..4c4c800fd5 100644
--- a/tshark.c
+++ b/tshark.c
@@ -1276,9 +1276,10 @@ DIAG_ON(cast-qual)
         write_prefs(NULL);
       else if (strcmp(argv[2], "dissector-tables") == 0)
         dissector_dump_dissector_tables();
-      else if (strcmp(argv[2], "fieldcount") == 0)
-        proto_registrar_dump_fieldcount();
-      else if (strcmp(argv[2], "fields") == 0)
+      else if (strcmp(argv[2], "fieldcount") == 0) {
+        /* return value for the test suite */
+        return proto_registrar_dump_fieldcount();
+      } else if (strcmp(argv[2], "fields") == 0)
         proto_registrar_dump_fields();
       else if (strcmp(argv[2], "ftypes") == 0)
         proto_registrar_dump_ftypes();