From a0b38a3f311b477cd1f63db0cb55fec4a4d9b427 Mon Sep 17 00:00:00 2001
From: PolynomialDivision <vincent@systemli.org>
Date: Thu, 31 Aug 2017 11:27:45 +0200
Subject: [PATCH] Try to memcheck

---
 src/main.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/src/main.c b/src/main.c
index 316373c..afb0ab6 100644
--- a/src/main.c
+++ b/src/main.c
@@ -12,6 +12,34 @@
 
 #include "crypto.h"
 
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <dlfcn.h>
+
+static void* (*real_malloc)(size_t)=NULL;
+
+static void mtrace_init(void)
+{
+    real_malloc = dlsym(RTLD_NEXT, "malloc");
+    if (NULL == real_malloc) {
+        fprintf(stderr, "Error in `dlsym`: %s\n", dlerror());
+    }
+}
+
+void *malloc(size_t size)
+{
+    mtrace_init();
+    if(real_malloc==NULL) {
+        mtrace_init();
+    }
+
+    void *p = NULL;
+    fprintf(stderr, "malloc(%d) = ", size);
+    p = real_malloc(size);
+    fprintf(stderr, "%p\n", p);
+    return p;
+}
+
 int main(int argc, char **argv) {
     const char *ubus_socket = NULL;
     int ch;