ctf: compile plugin as C++

[babeltrace.git] / src / plugins / ctf / common / metadata / objstack.c

diff --git a/src/plugins/ctf/common/metadata/objstack.c b/src/plugins/ctf/common/metadata/objstack.c
deleted file mode 100644 (file)
index a730589..0000000
--- a/src/plugins/ctf/common/metadata/objstack.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * SPDX-License-Identifier: MIT
- *
- * Copyright 2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Common Trace Format Object Stack.
- */
-
-#define BT_LOG_OUTPUT_LEVEL ctf_plugin_metadata_log_level
-#define BT_LOG_TAG "PLUGIN/CTF/META/OBJSTACK"
-#include "logging.h"
-
-#include "objstack.h"
-
-#include <stdlib.h>
-#include "common/list.h"
-#include "common/macros.h"
-#include "common/align.h"
-
-#define OBJSTACK_ALIGN                 8       /* Object stack alignment */
-#define OBJSTACK_INIT_LEN              128
-#define OBJSTACK_POISON                        0xcc
-
-struct objstack {
-       struct bt_list_head head;       /* list of struct objstack_node */
-};
-
-struct objstack_node {
-       struct bt_list_head node;
-       size_t len;
-       size_t used_len;
-       char __attribute__ ((aligned (OBJSTACK_ALIGN))) data[];
-};
-
-BT_HIDDEN
-struct objstack *objstack_create(void)
-{
-       struct objstack *objstack;
-       struct objstack_node *node;
-
-       objstack = calloc(1, sizeof(*objstack));
-       if (!objstack) {
-               BT_LOGE_STR("Failed to allocate one object stack.");
-               return NULL;
-       }
-       node = calloc(sizeof(struct objstack_node) + OBJSTACK_INIT_LEN,
-                       sizeof(char));
-       if (!node) {
-               BT_LOGE_STR("Failed to allocate one object stack node.");
-               free(objstack);
-               return NULL;
-       }
-       BT_INIT_LIST_HEAD(&objstack->head);
-       bt_list_add_tail(&node->node, &objstack->head);
-       node->len = OBJSTACK_INIT_LEN;
-       return objstack;
-}
-
-static
-void objstack_node_free(struct objstack_node *node)
-{
-       size_t offset, len;
-       char *p;
-
-       if (!node)
-               return;
-       p = (char *) node;
-       len = sizeof(*node) + node->len;
-       for (offset = 0; offset < len; offset++)
-               p[offset] = OBJSTACK_POISON;
-       free(node);
-}
-
-BT_HIDDEN
-void objstack_destroy(struct objstack *objstack)
-{
-       struct objstack_node *node, *p;
-
-       if (!objstack)
-               return;
-       bt_list_for_each_entry_safe(node, p, &objstack->head, node) {
-               bt_list_del(&node->node);
-               objstack_node_free(node);
-       }
-       free(objstack);
-}
-
-static
-struct objstack_node *objstack_append_node(struct objstack *objstack)
-{
-       struct objstack_node *last_node, *new_node;
-
-       /* Get last node */
-       last_node = bt_list_entry(objstack->head.prev,
-                       struct objstack_node, node);
-
-       /* Allocate new node with double of size of last node */
-       new_node = calloc(sizeof(struct objstack_node) + (last_node->len << 1),
-                       sizeof(char));
-       if (!new_node) {
-               BT_LOGE_STR("Failed to allocate one object stack node.");
-               return NULL;
-       }
-       bt_list_add_tail(&new_node->node, &objstack->head);
-       new_node->len = last_node->len << 1;
-       return new_node;
-}
-
-BT_HIDDEN
-void *objstack_alloc(struct objstack *objstack, size_t len)
-{
-       struct objstack_node *last_node;
-       void *p;
-
-       len = BT_ALIGN(len, OBJSTACK_ALIGN);
-
-       /* Get last node */
-       last_node = bt_list_entry(objstack->head.prev,
-                       struct objstack_node, node);
-       while (last_node->len - last_node->used_len < len) {
-               last_node = objstack_append_node(objstack);
-               if (!last_node) {
-                       return NULL;
-               }
-       }
-       p = &last_node->data[last_node->used_len];
-       last_node->used_len += len;
-       return p;
-}