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Cygwin: convert sun_name_t into class

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Add constructors and new/delete operators to make sure sun_name_t
objects are allocated on the cygheap.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen
2018-03-01 18:14:23 +01:00
parent aa467e6e33
commit dc3928fc75
2 changed files with 22 additions and 13 deletions
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19
winsup/cygwin/fhandler.h
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@@ -817,8 +817,9 @@ class fhandler_socket_local: public fhandler_socket_wsock
}
};
struct sun_name_t
class sun_name_t
{
public:
__socklen_t un_len;
union
{
@@ -826,6 +827,22 @@ struct sun_name_t
/* Allows 108 bytes sun_path plus trailing NUL */
char _nul[sizeof (struct sockaddr_un) + 1];
};
sun_name_t ()
{
un_len = 0;
un.sun_family = 0;
_nul[sizeof (struct sockaddr_un)] = '\0';
}
sun_name_t (const struct sockaddr *name, __socklen_t namelen)
{
un_len = namelen < (__socklen_t) sizeof un ? namelen : sizeof un;
memcpy (&un, name, un_len);
_nul[sizeof (struct sockaddr_un)] = '\0';
}
void *operator new (size_t) __attribute__ ((nothrow))
{ return cmalloc_abort (HEAP_FHANDLER, sizeof (sun_name_t)); }
void operator delete (void *p) {cfree (p);}
};
class fhandler_socket_unix : public fhandler_socket