[gtksourceview] encoding: use g_slist_find() to simplify the code

[Sébastien Wilmet <swilmet src gnome org>]

commit 8ec9cbffdd95ef9efbc3a02a712ef69e723c007d
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sat Sep 5 10:47:20 2015 +0200

    encoding: use g_slist_find() to simplify the code

 gtksourceview/gtksourceencoding.c |   21 +++------------------
 1 files changed, 3 insertions(+), 18 deletions(-)
---
diff --git a/gtksourceview/gtksourceencoding.c b/gtksourceview/gtksourceencoding.c
index aeb9467..40a2c18 100644
--- a/gtksourceview/gtksourceencoding.c
+++ b/gtksourceview/gtksourceencoding.c
@@ -491,21 +491,6 @@ gtk_source_encoding_get_name (const GtkSourceEncoding* enc)
        return (enc->name == NULL) ? _("Unknown") : _(enc->name);
 }
 
-static gboolean
-data_exists (GSList         *list,
-            const gpointer  data)
-{
-       for (; list != NULL; list = g_slist_next (list))
-       {
-               if (list->data == data)
-               {
-                       return TRUE;
-               }
-       }
-
-       return FALSE;
-}
-
 static GSList *
 strv_to_list (const gchar * const *enc_str)
 {
@@ -526,7 +511,7 @@ strv_to_list (const gchar * const *enc_str)
                enc = gtk_source_encoding_get_from_charset (charset);
 
                if (enc != NULL &&
-                   !data_exists (res, (gpointer)enc))
+                   g_slist_find (res, enc) == NULL)
                {
                        res = g_slist_prepend (res, (gpointer)enc);
                }
@@ -545,7 +530,7 @@ remove_duplicates_keep_first (GSList *list)
        {
                gpointer cur_encoding = l->data;
 
-               if (!data_exists (new_list, cur_encoding))
+               if (g_slist_find (new_list, cur_encoding) == NULL)
                {
                        new_list = g_slist_prepend (new_list, cur_encoding);
                }
@@ -569,7 +554,7 @@ remove_duplicates_keep_last (GSList *list)
        {
                gpointer cur_encoding = l->data;
 
-               if (!data_exists (new_list, cur_encoding))
+               if (g_slist_find (new_list, cur_encoding) == NULL)
                {
                        new_list = g_slist_prepend (new_list, cur_encoding);
                }