1 files changed, 61 insertions, 0 deletions
diff --git a/include/dbg_malloc.h b/include/dbg_malloc.h
new file mode 100644
index 0000000..b0557be
--- /dev/null
+++ b/include/dbg_malloc.h
@@ -0,0 +1,61 @@
+/***
+ * Copyright 2020 HAProxy Technologies
+ *
+ * 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.
+ */
+#ifndef _OPENTRACING_C_WRAPPER_DBG_MALLOC_H_
+#define _OPENTRACING_C_WRAPPER_DBG_MALLOC_H_
+
+#ifdef HAVE_MALLOC_H
+#  include <malloc.h>
+#endif
+
+
+#define DBG_MEM(l,s,f, ...)                                        \
+	do {                                                       \
+		if (dbg_mem == nullptr)                            \
+			/* Do nothing. */;                         \
+		else if (!(l) || (dbg_mem->level & (1 << (l))))    \
+			(void)fprintf((s), f "\n", ##__VA_ARGS__); \
+	} while (0)
+#define DBG_MEM_ERR(f, ...)      DBG_MEM(0, stderr, "MEM_ERROR: " f, ##__VA_ARGS__)
+#define DBG_MEM_INFO(l,f, ...)   DBG_MEM((l), stdout, f, ##__VA_ARGS__)
+
+/* 8 bytes - dBgM (dBgM ^ 0xffffffff) */
+#define DBG_MEM_MAGIC            UINT64_C(0x6442674d9bbd98b2)
+#define DBG_MEM_SIZE(n)          ((n) + sizeof(struct otc_dbg_mem_metadata))
+#define DBG_MEM_PTR(p)           DBG_MEM_SIZE(OT_CAST_TYPEOF(uint8_t *, (p)))
+#define DBG_MEM_DATA(p)          OT_CAST_TYPEOF(struct otc_dbg_mem_metadata *, OT_CAST_TYPEOF(uint8_t *, (p)) - DBG_MEM_SIZE(0))
+#define DBG_MEM_RETURN(p)        (((p) == nullptr) ? nullptr : DBG_MEM_PTR(p))
+
+struct otc_dbg_mem_metadata {
+	struct otc_dbg_mem_data *data;
+	uint64_t                 magic;
+};
+
+#ifdef __sun
+#define PRI_MI                   "lu"
+#else
+#define PRI_MI                   "d"
+#endif
+
+#endif /* _OPENTRACING_C_WRAPPER_DBG_MALLOC_H_ */
+
+/*
+ * Local variables:
+ *  c-indent-level: 8
+ *  c-basic-offset: 8
+ * End:
+ *
+ * vi: noexpandtab shiftwidth=8 tabstop=8
+ */