Keep track, in Wiretap, of whether the file is compressed, and provide

an API to fetch that.

When doing "Save" on a compressed file, write it out compressed.

In the Statistics -> Summary dialog and in capinfos, report whether the
file is gzip-compressed.

svn path=/trunk/; revision=42818

1 files changed, 1 insertions, 0 deletions

diff --git a/cfile.h b/cfile.h
index 63bd0eee90..d33f361fb4 100644
--- a/cfile.h
+++ b/cfile.h
@@ -73,6 +73,7 @@ typedef struct _capture_file {
   gboolean     unsaved_changes; /* Does the capture file have changes that have not been saved? */
   gint64       f_datalen;       /* Size of capture file data (uncompressed) */
   guint16      cd_t;            /* File type of capture file */
+  gboolean     iscompressed;    /* TRUE if the file is compressed */
   int          lnk_t;           /* Link-layer type with which to save capture */
   guint32      count;           /* Total number of frames */
   guint32      displayed_count; /* Number of displayed frames */