extcap: Minor improvements

Add method for searching for tools by ifname and minor improvements
in the interface callback to save time and space

Change-Id: I0073c96fbee846cc5ff6304823fa14564ff36c22
Reviewed-on: https://code.wireshark.org/review/20376
Petri-Dish: Roland Knall <rknall@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Roland Knall <rknall@gmail.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/extcap.h b/extcap.h
index 9f398d1b5c..7c7a82baaf 100644
--- a/extcap.h
+++ b/extcap.h
@@ -55,6 +55,7 @@ typedef struct _extcap_info {
     gchar * basename;
     gchar * full_path;
     gchar * version;
+    gchar * help;
 
     GList * interfaces;
 } extcap_info;
@@ -81,6 +82,12 @@ extcap_get_if_dlts(const gchar * ifname, char ** err_str);
 GList *
 append_extcap_interface_list(GList *list, char **err_str);
 
+extcap_info *
+extcap_get_tool_info(const gchar * toolname);
+
+extcap_info *
+extcap_get_tool_by_ifname(const gchar *ifname);
+
 /* return the help page or NULL for the given ifname */
 gchar *
 extcap_get_help_for_ifname(const char *ifname);