Remove duplicated code to search for a setting by its cfg name

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30428 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 19 insertions, 13 deletions

diff --git a/apps/gui/skin_engine/skin_parser.c b/apps/gui/skin_engine/skin_parser.c
index 59c7e92..adac487 100644
--- a/apps/gui/skin_engine/skin_parser.c
+++ b/apps/gui/skin_engine/skin_parser.c
@@ -620,13 +620,8 @@ static int parse_setting_and_lang(struct skin_element *element,
     }
     else
     {
-        /* Find the setting */
-        for (i=0; i<nb_settings; i++)
-            if (settings[i].cfg_name &&
-                !strcmp(settings[i].cfg_name, temp))
-                break;
 #ifndef __PCTOOL__
-        if (i == nb_settings)
+        if (find_setting_by_cfgname(temp, &i) == NULL)
             return WPS_ERROR_INVALID_PARAM;
 #endif
     }
@@ -1148,14 +1143,10 @@ static int touchregion_setup_setting(struct skin_element *element, int param_no,
     int p = param_no;
     char *name = element->params[p++].data.text;
     int j;
-    /* Find the setting */
-    for (j=0; j<nb_settings; j++)
-        if (settings[j].cfg_name &&
-            !strcmp(settings[j].cfg_name, name))
-            break;
-    if (j==nb_settings)
+
+    region->setting_data.setting = find_setting_by_cfgname(name, &j);
+    if (region->setting_data.setting == NULL)
         return WPS_ERROR_INVALID_PARAM;
-    region->setting_data.setting = (void*)&settings[j];
     if (region->action == ACTION_SETTINGS_SET)
     {
         char* text;
diff --git a/apps/settings.c b/apps/settings.c
index 623bc5b..258face 100644
--- a/apps/settings.c
+++ b/apps/settings.c
@@ -1087,6 +1087,20 @@ const struct settings_list* find_setting(const void* variable, int *id)
     }
     return NULL;
 }
+const struct settings_list* find_setting_by_cfgname(const char* name, int *id)
+{
+    int i;
+    for (i=0; i<nb_settings; i++)
+    {
+        if (settings[i].cfg_name &&
+            !strcmp(settings[i].cfg_name, name))
+        {
+            if (id) *id = i;
+            return &settings[i];
+        }
+    }
+    return NULL;
+}
 
 bool set_bool(const char* string, const bool* variable )
 {
diff --git a/apps/settings.h b/apps/settings.h
index 05965b3..f48dd5d 100644
--- a/apps/settings.h
+++ b/apps/settings.h
@@ -231,6 +231,7 @@ void settings_display(void);
 enum optiontype { INT, BOOL };
 
 const struct settings_list* find_setting(const void* variable, int *id);
+const struct settings_list* find_setting_by_cfgname(const char* name, int *id);
 bool cfg_int_to_string(int setting_id, int val, char* buf, int buf_len);
 bool cfg_string_to_int(int setting_id, int* out, const char* str);
 bool cfg_to_string(int setting_id, char* buf, int buf_len);