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Add dup(dummy stub) and dup2(real).

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@21588 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2007-07-16 17:04:56 +00:00
parent 842b3aeed2
commit 41124f4688
1 changed files with 63 additions and 0 deletions
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63
lib/roken/socket_wrapper.c
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@@ -149,6 +149,8 @@
#define real_send send
#define real_socket socket
#define real_close close
#define real_dup dup
#define real_dup2 dup2
#endif
#ifdef HAVE_GETTIMEOFDAY_TZ
@@ -1834,3 +1836,64 @@ _PUBLIC_ int swrap_close(int fd)
return ret;
}
_PUBLIC_ int swrap_dup(int oldd)
{
struct socket_info *si;
si = find_socket_info(oldd);
if (si == NULL)
return real_dup(oldd);
abort(); /* write code here */
}
_PUBLIC_ int swrap_dup2(int oldd, int newd)
{
struct socket_info *si_newd, *si_oldd;
int fd;
if (newd == oldd)
return newd;
si_oldd = find_socket_info(oldd);
si_newd = find_socket_info(newd);
if (si_oldd == NULL && si_newd == NULL)
return real_dup2(oldd, newd);
fd = real_dup2(si_oldd->fd, newd);
if (fd < 0)
return fd;
/* close new socket first */
if (si_newd)
swrap_close(newd);
si_newd = (struct socket_info *)calloc(1, sizeof(struct socket_info));
si_newd->fd = fd;
si_newd->family = si_oldd->family;
si_newd->type = si_oldd->type;
si_newd->protocol = si_oldd->protocol;
si_newd->bound = si_oldd->bound;
si_newd->bcast = si_oldd->bcast;
if (si_oldd->path)
si_newd->path = strdup(si_oldd->path);
if (si_oldd->tmp_path)
si_newd->tmp_path = strdup(si_oldd->tmp_path);
si_newd->myname =
sockaddr_dup(si_oldd->myname, si_oldd->myname_len);
si_newd->myname_len = si_oldd->myname_len;
si_newd->peername =
sockaddr_dup(si_oldd->peername, si_oldd->peername_len);
si_newd->peername_len = si_oldd->peername_len;
si_newd->io = si_oldd->io;
SWRAP_DLIST_ADD(sockets, si_newd);
return fd;
}