Add range_add_value and range_remove_value.

These APIs can insert or remove a single value into a range structure.
Adding a value may extend an existing range or create a new one.
Removing a value may remove a range item.

Change-Id: Ia6995ecf7760aca1fb7fd9b4c53972298a57675f
Reviewed-on: https://code.wireshark.org/review/17836
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Mann <mmann78@netscape.net>

1 files changed, 16 insertions, 0 deletions

diff --git a/epan/range.h b/epan/range.h
index f4c5549a0d..3a5b2c2988 100644
--- a/epan/range.h
+++ b/epan/range.h
@@ -103,6 +103,22 @@ convert_ret_t range_convert_str_work(range_t **range, const gchar *es,
  */
 WS_DLL_PUBLIC gboolean value_is_in_range(range_t *range, guint32 val);
 
+/** This function returns TRUE if val has successfully been added to
+ * a range.  This may extend an existing range or create a new one
+ * @param range to add value
+ * @param val value to add to range
+ * @return TRUE if the value is successsfully added to range
+ */
+WS_DLL_PUBLIC gboolean range_add_value(range_t **range, guint32 val);
+
+/** This function returns TRUE if val has successfully been removed from
+ * a range.  This may remove an existing range.
+ * @param range to remove value
+ * @param val value to remove within range
+ * @return TRUE if the value is successsfully removed to range
+ */
+WS_DLL_PUBLIC gboolean range_remove_value(range_t **range, guint32 val);
+
 /** This function returns TRUE if the two given range_t's are equal.
  * @param a first range
  * @param b second range