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Add libresolv from Musl Libc

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Locally modified to get nameservers from Windows Registry when
`\etc\resolv.conf` isn't defined.
This commit is contained in:
Justine Tunney 2023-12-08 20:03:03 -08:00
parent 8874a37abc
commit 1a96de6eda
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GPG key ID: BE714B4575D6E328
36 changed files with 2313 additions and 73 deletions
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43
libc/isystem/netinet/in.h
View file

@ -1,6 +1,7 @@
#ifndef COSMOPOLITAN_LIBC_ISYSTEM_NETINET_IN_H_
#define COSMOPOLITAN_LIBC_ISYSTEM_NETINET_IN_H_
#include "libc/calls/weirdtypes.h"
#include "libc/sock/in.h"
#include "libc/sock/sock.h"
#include "libc/sock/struct/in6_pktinfo.h"
#include "libc/sock/struct/in_pktinfo.h"
@ -17,46 +18,4 @@
#include "libc/sysv/consts/mcast.h"
#include "libc/sysv/consts/pf.h"
#include "libc/sysv/consts/sock.h"
# define IN6_ARE_ADDR_EQUAL(a,b) \
((((const uint32_t *) (a))[0] == ((const uint32_t *) (b))[0]) \
&& (((const uint32_t *) (a))[1] == ((const uint32_t *) (b))[1]) \
&& (((const uint32_t *) (a))[2] == ((const uint32_t *) (b))[2]) \
&& (((const uint32_t *) (a))[3] == ((const uint32_t *) (b))[3]))
# define IN6_IS_ADDR_UNSPECIFIED(a) \
(((const uint32_t *) (a))[0] == 0 \
&& ((const uint32_t *) (a))[1] == 0 \
&& ((const uint32_t *) (a))[2] == 0 \
&& ((const uint32_t *) (a))[3] == 0)
# define IN6_IS_ADDR_LOOPBACK(a) \
(((const uint32_t *) (a))[0] == 0 \
&& ((const uint32_t *) (a))[1] == 0 \
&& ((const uint32_t *) (a))[2] == 0 \
&& ((const uint32_t *) (a))[3] == htonl (1))
# define IN6_IS_ADDR_LINKLOCAL(a) \
((((const uint32_t *) (a))[0] & htonl (0xffc00000)) \
== htonl (0xfe800000))
# define IN6_IS_ADDR_SITELOCAL(a) \
((((const uint32_t *) (a))[0] & htonl (0xffc00000)) \
== htonl (0xfec00000))
# define IN6_IS_ADDR_V4MAPPED(a) \
((((const uint32_t *) (a))[0] == 0) \
&& (((const uint32_t *) (a))[1] == 0) \
&& (((const uint32_t *) (a))[2] == htonl (0xffff)))
# define IN6_IS_ADDR_V4COMPAT(a) \
((((const uint32_t *) (a))[0] == 0) \
&& (((const uint32_t *) (a))[1] == 0) \
&& (((const uint32_t *) (a))[2] == 0) \
&& (ntohl (((const uint32_t *) (a))[3]) > 1))
#define IN6_IS_ADDR_MULTICAST(a) (((const uint8_t *) (a))[0] == 0xff)
#endif /* COSMOPOLITAN_LIBC_ISYSTEM_NETINET_IN_H_ */