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zero newly allocated sockaddrs

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* libguile/socket.c (scm_to_sockaddr, scm_fill_sockaddr): Zero the
  sockaddrs, so we do not pass uninitialized memory to the kernel.
This commit is contained in:
Noah Lavine 2011-02-12 21:05:34 -05:00 • committed by Andy Wingo
parent 5a79300f85
commit 333a81ccba
1 changed files with 3 additions and 0 deletions
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3
libguile/socket.c
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@ -796,6 +796,7 @@ scm_fill_sockaddr (int fam, SCM address, SCM *args, int which_arg,
port = scm_to_int (SCM_CAR (*args));
*args = SCM_CDR (*args);
soka = (struct sockaddr_in *) scm_malloc (sizeof (struct sockaddr_in));
memset (soka, '\0', sizeof (struct sockaddr_in));
#ifdef HAVE_STRUCT_SOCKADDR_SIN_LEN
soka->sin_len = sizeof (struct sockaddr_in);
@ -1131,6 +1132,8 @@ scm_to_sockaddr (SCM address, size_t *address_size)
{
struct sockaddr_in c_inet;
memset (&c_inet, '\0', sizeof (struct sockaddr_in));
c_inet.sin_addr.s_addr =
htonl (scm_to_ulong (SCM_SIMPLE_VECTOR_REF (address, 1)));
c_inet.sin_port =