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-rw-r--r--common/list16.c188
1 files changed, 188 insertions, 0 deletions
diff --git a/common/list16.c b/common/list16.c
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+++ b/common/list16.c
@@ -0,0 +1,188 @@
+/**
+ * xrdp: A Remote Desktop Protocol server.
+ *
+ * Copyright (C) Jay Sorg 2004-2014
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * simple list
+ */
+
+#include "arch.h"
+#include "os_calls.h"
+#include "list16.h"
+
+/*****************************************************************************/
+struct list16 *APP_CC
+list16_create(void)
+{
+ struct list16 *self;
+
+ self = (struct list16 *)g_malloc(sizeof(struct list16), 0);
+ list16_init(self);
+ return self;
+}
+
+/*****************************************************************************/
+void APP_CC
+list16_delete(struct list16 *self)
+{
+ if (self == 0)
+ {
+ return;
+ }
+
+ list16_deinit(self);
+ g_free(self);
+}
+
+/*****************************************************************************/
+void APP_CC
+list16_init(struct list16* self)
+{
+ g_memset(self, 0, sizeof(struct list16));
+ self->max_count = 4;
+ self->items = self->mitems;
+}
+
+/*****************************************************************************/
+void APP_CC
+list16_deinit(struct list16* self)
+{
+ if (self->items != self->mitems)
+ {
+ g_free(self->items);
+ }
+}
+
+/*****************************************************************************/
+void APP_CC
+list16_add_item(struct list16 *self, tui16 item)
+{
+ tui16 *p;
+ int i;
+
+ if (self->count >= self->max_count)
+ {
+ i = self->max_count;
+ self->max_count += 4;
+ p = (tui16 *)g_malloc(sizeof(tui16) * self->max_count, 1);
+ g_memcpy(p, self->items, sizeof(tui16) * i);
+ if (self->items != self->mitems)
+ {
+ g_free(self->items);
+ }
+ self->items = p;
+ }
+
+ self->items[self->count] = item;
+ self->count++;
+}
+
+/*****************************************************************************/
+tui16 APP_CC
+list16_get_item(struct list16 *self, int index)
+{
+ if (index < 0 || index >= self->count)
+ {
+ return 0;
+ }
+
+ return self->items[index];
+}
+
+/*****************************************************************************/
+void APP_CC
+list16_clear(struct list16 *self)
+{
+ if (self->items != self->mitems)
+ {
+ g_free(self->items);
+ }
+ self->count = 0;
+ self->max_count = 4;
+ self->items = self->mitems;
+}
+
+/*****************************************************************************/
+int APP_CC
+list16_index_of(struct list16 *self, tui16 item)
+{
+ int i;
+
+ for (i = 0; i < self->count; i++)
+ {
+ if (self->items[i] == item)
+ {
+ return i;
+ }
+ }
+
+ return -1;
+}
+
+/*****************************************************************************/
+void APP_CC
+list16_remove_item(struct list16 *self, int index)
+{
+ int i;
+
+ if (index >= 0 && index < self->count)
+ {
+ for (i = index; i < (self->count - 1); i++)
+ {
+ self->items[i] = self->items[i + 1];
+ }
+
+ self->count--;
+ }
+}
+
+/*****************************************************************************/
+void APP_CC
+list16_insert_item(struct list16 *self, int index, tui16 item)
+{
+ tui16 *p;
+ int i;
+
+ if (index == self->count)
+ {
+ list16_add_item(self, item);
+ return;
+ }
+
+ if (index >= 0 && index < self->count)
+ {
+ self->count++;
+
+ if (self->count > self->max_count)
+ {
+ i = self->max_count;
+ self->max_count += 4;
+ p = (tui16 *)g_malloc(sizeof(tui16) * self->max_count, 1);
+ g_memcpy(p, self->items, sizeof(tui16) * i);
+ if (self->items != self->mitems)
+ {
+ g_free(self->items);
+ }
+ self->items = p;
+ }
+
+ for (i = (self->count - 2); i >= index; i--)
+ {
+ self->items[i + 1] = self->items[i];
+ }
+
+ self->items[index] = item;
+ }
+}