1 files changed, 264 insertions, 0 deletions
diff --git a/plugins/xsettings/xsettings-common.c b/plugins/xsettings/xsettings-common.c
new file mode 100644
index 0000000..992175a
--- /dev/null
+++ b/plugins/xsettings/xsettings-common.c
@@ -0,0 +1,264 @@
+/*
+ * Copyright © 2001 Red Hat, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Red Hat not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. Red Hat makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * RED HAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL RED HAT
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Owen Taylor, Red Hat, Inc.
+ */
+#include "string.h"
+#include "stdlib.h"
+
+#include <X11/Xlib.h>
+#include <X11/Xmd.h> /* For CARD32 */
+
+#include "xsettings-common.h"
+
+XSettingsSetting *
+xsettings_setting_copy (XSettingsSetting *setting)
+{
+ XSettingsSetting *result;
+ size_t str_len;
+ 
+ result = malloc (sizeof *result);
+ if (!result)
+ return NULL;
+
+ str_len = strlen (setting->name);
+ result->name = malloc (str_len + 1);
+ if (!result->name)
+ goto err;
+
+ memcpy (result->name, setting->name, str_len + 1);
+
+ result->type = setting->type;
+
+ switch (setting->type)
+ {
+ case XSETTINGS_TYPE_INT:
+ result->data.v_int = setting->data.v_int;
+ break;
+ case XSETTINGS_TYPE_COLOR:
+ result->data.v_color = setting->data.v_color;
+ break;
+ case XSETTINGS_TYPE_STRING:
+ str_len = strlen (setting->data.v_string);
+ result->data.v_string = malloc (str_len + 1);
+ if (!result->data.v_string)
+ goto err;
+
+ memcpy (result->data.v_string, setting->data.v_string, str_len + 1);
+ break;
+ }
+
+ result->last_change_serial = setting->last_change_serial;
+
+ return result;
+
+ err:
+ if (result->name)
+ free (result->name);
+ free (result);
+ 
+ return NULL;
+}
+
+XSettingsList *
+xsettings_list_copy (XSettingsList *list)
+{
+ XSettingsList *new = NULL;
+ XSettingsList *old_iter = list;
+ XSettingsList *new_iter = NULL;
+
+ while (old_iter)
+ {
+ XSettingsList *new_node;
+
+ new_node = malloc (sizeof *new_node);
+ if (!new_node)
+ goto error;
+
+ new_node->setting = xsettings_setting_copy (old_iter->setting);
+ if (!new_node->setting)
+ {
+ free (new_node);
+ goto error;
+ }
+
+ if (new_iter)
+ new_iter->next = new_node;
+ else
+ new = new_node;
+
+ new_iter = new_node;
+ 
+ old_iter = old_iter->next;
+ }
+
+ return new;
+
+ error:
+ xsettings_list_free (new);
+ return NULL;
+}
+
+int
+xsettings_setting_equal (XSettingsSetting *setting_a,
+ XSettingsSetting *setting_b)
+{
+ if (setting_a->type != setting_b->type)
+ return 0;
+
+ if (strcmp (setting_a->name, setting_b->name) != 0)
+ return 0;
+
+ switch (setting_a->type)
+ {
+ case XSETTINGS_TYPE_INT:
+ return setting_a->data.v_int == setting_b->data.v_int;
+ case XSETTINGS_TYPE_COLOR:
+ return (setting_a->data.v_color.red == setting_b->data.v_color.red &&
+ setting_a->data.v_color.green == setting_b->data.v_color.green &&
+ setting_a->data.v_color.blue == setting_b->data.v_color.blue &&
+ setting_a->data.v_color.alpha == setting_b->data.v_color.alpha);
+ case XSETTINGS_TYPE_STRING:
+ return strcmp (setting_a->data.v_string, setting_b->data.v_string) == 0;
+ }
+
+ return 0;
+}
+
+void
+xsettings_setting_free (XSettingsSetting *setting)
+{
+ if (setting->type == XSETTINGS_TYPE_STRING)
+ free (setting->data.v_string);
+ 
+ if (setting->name)
+ free (setting->name);
+
+ free (setting);
+}
+
+void
+xsettings_list_free (XSettingsList *list)
+{
+ while (list)
+ {
+ XSettingsList *next = list->next;
+
+ xsettings_setting_free (list->setting);
+ free (list);
+
+ list = next;
+ }
+}
+
+XSettingsResult
+xsettings_list_insert (XSettingsList **list,
+ XSettingsSetting *setting)
+{
+ XSettingsList *node;
+ XSettingsList *iter;
+ XSettingsList *last = NULL;
+
+ node = malloc (sizeof *node);
+ if (!node)
+ return XSETTINGS_NO_MEM;
+ node->setting = setting;
+
+ iter = *list;
+ while (iter)
+ {
+ int cmp = strcmp (setting->name, iter->setting->name);
+
+ if (cmp < 0)
+ break;
+ else if (cmp == 0)
+ {
+ free (node);
+ return XSETTINGS_DUPLICATE_ENTRY;
+ }
+
+ last = iter;
+ iter = iter->next;
+ }
+ 
+ if (last)
+ last->next = node;
+ else
+ *list = node;
+ 
+ node->next = iter;
+ 
+ return XSETTINGS_SUCCESS;
+}
+
+XSettingsResult
+xsettings_list_delete (XSettingsList **list,
+ const char *name)
+{
+ XSettingsList *iter;
+ XSettingsList *last = NULL;
+
+ iter = *list;
+ while (iter)
+ {
+ if (strcmp (name, iter->setting->name) == 0)
+ {
+ if (last)
+ last->next = iter->next;
+ else
+ *list = iter->next;
+ 
+ xsettings_setting_free (iter->setting);
+ free (iter);
+
+ return XSETTINGS_SUCCESS;
+ }
+
+ last = iter;
+ iter = iter->next;
+ }
+
+ return XSETTINGS_FAILED;
+}
+
+XSettingsSetting *
+xsettings_list_lookup (XSettingsList *list,
+ const char *name)
+{
+ XSettingsList *iter;
+
+ iter = list;
+ while (iter)
+ {
+ if (strcmp (name, iter->setting->name) == 0)
+ return iter->setting;
+
+ iter = iter->next;
+ }
+
+ return NULL;
+}
+
+char
+xsettings_byte_order (void)
+{
+ CARD32 myint = 0x01020304;
+ return (*(char *)&myint == 1) ? MSBFirst : LSBFirst;
+}