merge

[l2tpns.git] / util.c

diff --git a/util.c b/util.c
index 343e956..8ba99a0 100644 (file)
--- a/util.c
+++ b/util.c
@@ -1,11 +1,14 @@
 /* Misc util functions */
 
+char const *cvs_id_util = "$Id: util.c,v 1.3 2004-09-02 04:18:07 fred_nerk Exp $";
+
 #include "l2tpns.h"
 
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <string.h>
+#include <sys/mman.h>
 
 char *inet_toa(unsigned long addr)
 {
@@ -14,3 +17,13 @@ char *inet_toa(unsigned long addr)
        return inet_ntoa(in);
 }
 
+void *shared_malloc(unsigned int size)
+{
+       void * p;
+       p = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, 0, 0);
+
+       if (p == MAP_FAILED)
+               p = NULL;
+
+       return p;
+}