1 files changed, 94 insertions, 0 deletions
diff --git a/ctrl/facemgr/src/common.h b/ctrl/facemgr/src/common.h
new file mode 100644
index 000000000..a73964b6d
--- /dev/null
+++ b/ctrl/facemgr/src/common.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * 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.
+ */
+
+/**
+ * \file common.h
+ * \file Common definitions used throughout the code
+ */
+#ifndef FACEMGR_COMMON_H
+#define FACEMGR_COMMON_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "util/types.h"
+#include "util/ip_address.h"
+#include "util/token.h" // XXX debug
+
+//#define DEBUG
+
+/* Return value conventions */
+#define FACEMGR_SUCCESS 0
+#define FACEMGR_FAILURE -1
+#define FACEMGR_IS_ERROR(rc) (rc < 0)
+
+/* Useful types and macros for comparisons */
+typedef int(*cmp_t)(const void * x, const void * y);
+
+#define INT_CMP(x, y) x < y ? -1 : (x == y ? 0 : 1)
+
+/* Dump with indent */
+#define INDENT(n, fmt) "%*s" fmt, n, ""
+#define printfi(n, fmt, ...) printf(INDENT(n*4, fmt), ##__VA_ARGS__)
+
+/* Boilerplate code */
+
+#define NO_INITIALIZE(NAME)                                             \
+int                                                                     \
+NAME ## _initialize(NAME ## _t * obj) {                                 \
+    return FACEMGR_SUCCESS;                                             \
+}
+
+#define NO_FINALIZE(NAME)                                               \
+int                                                                     \
+NAME ## _finalize(NAME ## _t * obj) {                                   \
+    return FACEMGR_SUCCESS;                                             \
+}
+
+#define AUTOGENERATE_CREATE_FREE(NAME)                                  \
+                                                                        \
+NAME ## _t *                                                            \
+NAME ## _create()                                                       \
+{                                                                       \
+    NAME ## _t * obj  = malloc(sizeof(NAME ## _t));                     \
+    if (!obj)                                                           \
+        goto ERR_MALLOC;                                                \
+                                                                        \
+    if (FACEMGR_IS_ERROR(NAME ## _initialize(obj)))                     \
+        goto ERR_INIT;                                                  \
+                                                                        \
+    return obj;                                                         \
+                                                                        \
+ERR_INIT:                                                               \
+    free(obj);                                                          \
+ERR_MALLOC:                                                             \
+    return NULL;                                                        \
+}                                                                       \
+                                                                        \
+void                                                                    \
+NAME ## _free(NAME ## _t * obj)                                         \
+{                                                                       \
+    if (FACEMGR_IS_ERROR(NAME ## _finalize(obj)))                       \
+        (void)0; /* XXX */                                              \
+    free(obj);                                                          \
+}                                                                       \
+
+#define AUTOGENERATE_DEFS(NAME)                                         \
+int NAME ## _initialize(NAME ## _t *);                                  \
+int NAME ## _finalize(NAME ## _t *);                                    \
+NAME ## _t * NAME ## _create();                                         \
+void NAME ## _free(NAME ## _t *);                                       \
+
+#endif /* FACEMGR_COMMON_H */