fix code styles

ext/common/psx_list.h

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2024, Zhang Ji Peng
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _PSX_LIST_H_
+#define _PSX_LIST_H_
+
+#if defined(__GNUC__)
+    #define INLINE inline
+#elif defined(_MSC_VER)
+    #define INLINE __inline
+#else
+    #define INLINE
+#endif
+
+struct list_hdr {
+    struct list_hdr* next;
+    struct list_hdr* prev;
+};
+
+/* all function return 0 is success or true, -1 is fail or false. */
+
+static INLINE void list_init(struct list_hdr* head)
+{
+    head->next = head;
+    head->prev = head;
+}
+
+static INLINE int list_empty(const struct list_hdr* head)
+{
+    return head->next == head ? 0 : -1;
+}
+
+#define list_add(head, value) \
+    list_add_entry((struct list_hdr*)(head), (struct list_hdr*)(value))
+
+static INLINE void list_add_entry(struct list_hdr* head, struct list_hdr* value)
+{
+    register struct list_hdr* next = head->next;
+
+    next->prev = value;
+    value->next = next;
+    value->prev = head;
+    head->next = value;
+}
+
+#define list_add_tail(head, value) \
+    list_add_tail_entry((struct list_hdr*)(head), (struct list_hdr*)(value))
+
+static INLINE void list_add_tail_entry(struct list_hdr* head, struct list_hdr* value)
+{
+    register struct list_hdr* prev = head->prev;
+
+    head->prev = value;
+    value->next = head;
+    value->prev = prev;
+    prev->next = value;
+}
+
+#define list_remove(entry) \
+    list_remove_entry((struct list_hdr*)(entry))
+
+static INLINE void list_remove_entry(struct list_hdr* entry)
+{
+    entry->next->prev = entry->prev;
+    entry->prev->next = entry->next;
+    entry->next = entry->prev = NULL;
+}
+
+#define list_for_each(head, iterator) \
+    for ((iterator) = (head)->next; (iterator) != (head); (iterator) = (iterator)->next)
+
+#define list_for_each_start_with(head, start, iterator) \
+    for ((iterator) = ((struct list_hdr*)(start))->next; (iterator) != (head); (iterator) = (iterator)->next)
+
+#endif /*_PSX_LIST_H_*/