Add a Buffer to wtap_pkthdr to hold file-type-specific packet metadata.

For example, this can be used for pcap-ng options not mapped to
file-type-independent metadata values.

Change-Id: I398b324c62c1cc1cc61eb5e9631de00481b4aadc
Reviewed-on: https://code.wireshark.org/review/5549
Reviewed-by: Guy Harris <guy@alum.mit.edu>

1 files changed, 3 insertions, 1 deletions

diff --git a/tfshark.c b/tfshark.c
index ea439d86b7..e41833a88e 100644
--- a/tfshark.c
+++ b/tfshark.c
@@ -1810,7 +1810,7 @@ load_cap_file(capture_file *cf, int max_packet_count, gint64 max_byte_count)
   /* Get the union of the flags for all tap listeners. */
   tap_flags = union_of_tap_listener_flags();
 
-  memset(&file_phdr, 0, sizeof(file_phdr));
+  wtap_phdr_init(&file_phdr);
 
   /* XXX - TEMPORARY HACK TO ELF DISSECTOR */
   file_phdr.pkt_encap = 1234;
@@ -1945,6 +1945,8 @@ load_cap_file(capture_file *cf, int max_packet_count, gint64 max_byte_count)
     }
   }
 
+  wtap_phdr_cleanup(&phdr);
+
   if (err != 0) {
     /*
      * Print a message noting that the read failed somewhere along the line.