+/*
+ * Copyright (C) 2009 Pierre-Marc Fournier
+ * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#define _GNU_SOURCE
+#include <dlfcn.h>
+#include <sys/types.h>
+#include <stdio.h>
+
+#define TRACEPOINT_DEFINE
+#define TRACEPOINT_CREATE_PROBES
+#include "ust_libc.h"
+
+void *malloc(size_t size)
+{
+ static void *(*plibc_malloc)(size_t size) = NULL;
+ void *retval;
+
+ if (plibc_malloc == NULL) {
+ plibc_malloc = dlsym(RTLD_NEXT, "malloc");
+ if (plibc_malloc == NULL) {
+ fprintf(stderr, "mallocwrap: unable to find malloc\n");
+ return NULL;
+ }
+ }
+ retval = plibc_malloc(size);
+ tracepoint(ust_libc, malloc, size, retval);
+ return retval;
+}
+
+void free(void *ptr)
+{
+ static void *(*plibc_free)(void *ptr) = NULL;
+
+ if (plibc_free == NULL) {
+ plibc_free = dlsym(RTLD_NEXT, "free");
+ if (plibc_free == NULL) {
+ fprintf(stderr, "mallocwrap: unable to find free\n");
+ return;
+ }
+ }
+ tracepoint(ust_libc, free, ptr);
+ plibc_free(ptr);
+}