epan: Constify a few range functions

2 files changed, 6 insertions, 6 deletions

diff --git a/epan/range.c b/epan/range.c
index 7f4d5d7c36..a2ff590d83 100644
--- a/epan/range.c
+++ b/epan/range.c
@@ -257,7 +257,7 @@ range_convert_str_work(wmem_allocator_t *scope, range_t **rangep, const gchar *e
  * stored in the ranges array.
  */
 gboolean
-value_is_in_range(range_t *range, guint32 val)
+value_is_in_range(const range_t *range, guint32 val)
 {
    guint i;
 
@@ -366,7 +366,7 @@ range_remove_value(wmem_allocator_t *scope, range_t **range, guint32 val)
 /* This function returns TRUE if the two given range_t's are equal.
  */
 gboolean
-ranges_are_equal(range_t *a, range_t *b)
+ranges_are_equal(const range_t *a, const range_t *b)
 {
    guint i;
 
@@ -429,7 +429,7 @@ range_convert_range(wmem_allocator_t *scope, const range_t *range)
 
 /* Create a copy of a range. */
 range_t *
-range_copy(wmem_allocator_t *scope, range_t *src)
+range_copy(wmem_allocator_t *scope, const range_t *src)
 {
    range_t *dst;
    size_t range_size;
diff --git a/epan/range.h b/epan/range.h
index 1a4773101a..a679c2640c 100644
--- a/epan/range.h
+++ b/epan/range.h
@@ -91,7 +91,7 @@ WS_DLL_PUBLIC convert_ret_t range_convert_str_work(wmem_allocator_t *scope, rang
  * @param val the value to check
  * @return TRUE if the value is in range
  */
-WS_DLL_PUBLIC gboolean value_is_in_range(range_t *range, guint32 val);
+WS_DLL_PUBLIC gboolean value_is_in_range(const 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
@@ -116,7 +116,7 @@ WS_DLL_PUBLIC gboolean range_remove_value(wmem_allocator_t *scope, range_t **ran
  * @param b second range
  * @return TRUE if the value is in range
  */
-WS_DLL_PUBLIC gboolean ranges_are_equal(range_t *a, range_t *b);
+WS_DLL_PUBLIC gboolean ranges_are_equal(const range_t *a, const range_t *b);
 
 /** This function calls the provided callback function for each value in
  * in the range. Takes a pointer argument, which is passed to the
@@ -138,7 +138,7 @@ WS_DLL_PUBLIC char *range_convert_range(wmem_allocator_t *scope, const range_t *
  * @param src the range to copy
  * @return ep allocated copy of the range
  */
-WS_DLL_PUBLIC range_t *range_copy(wmem_allocator_t *scope, range_t *src);
+WS_DLL_PUBLIC range_t *range_copy(wmem_allocator_t *scope, const range_t *src);
 
 #ifdef __cplusplus
 }