dnsmngr: Fix use of CPP.

* dirmngr/dns.c (HAVE_STATIC_ASSERT, HAVE___ATOMIC_FETCH_ADD)
(DNS_HAVE_SOCKADDR_UN, HAVE_SOCK_NONBLOCK): Don't use defined
to be expanded for expression evaluation.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2017-07-20 13:19:18 +09:00
parent e7fc6e3bf0
commit cc12cf386b
1 changed files with 23 additions and 5 deletions

View File

@ -205,8 +205,10 @@ typedef int socket_fd_t;
#ifndef HAVE_STATIC_ASSERT
#if DNS_GNUC_PREREQ(0,0,0) && !DNS_GNUC_PREREQ(4,6,0)
#define HAVE_STATIC_ASSERT 0 /* glibc doesn't check GCC version */
#elif defined(static_assert)
#define HAVE_STATIC_ASSERT 1
#else
#define HAVE_STATIC_ASSERT (defined static_assert)
#define HAVE_STATIC_ASSERT 0
#endif
#endif
@ -380,7 +382,11 @@ const char *dns_strerror(int error) {
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#ifndef HAVE___ATOMIC_FETCH_ADD
#define HAVE___ATOMIC_FETCH_ADD (defined __ATOMIC_RELAXED)
#ifdef __ATOMIC_RELAXED
#define HAVE___ATOMIC_FETCH_ADD 1
#else
#define HAVE___ATOMIC_FETCH_ADD 0
#endif
#endif
#ifndef HAVE___ATOMIC_FETCH_SUB
@ -787,7 +793,11 @@ DNS_NOTUSED static size_t dns_strnlcpy(char *dst, size_t lim, const char *src, s
} /* dns_strnlcpy() */
#define DNS_HAVE_SOCKADDR_UN (defined AF_UNIX && !defined _WIN32)
#if (defined AF_UNIX && !defined _WIN32)
#define DNS_HAVE_SOCKADDR_UN 1
#else
#define DNS_HAVE_SOCKADDR_UN 0
#endif
static size_t dns_af_len(int af) {
static const size_t table[AF_MAX] = {
@ -7051,11 +7061,19 @@ static void dns_socketclose(int *fd, const struct dns_options *opts) {
#endif
#ifndef HAVE_SOCK_CLOEXEC
#define HAVE_SOCK_CLOEXEC (defined SOCK_CLOEXEC)
#ifdef SOCK_CLOEXEC
#define HAVE_SOCK_CLOEXEC 1
#else
#define HAVE_SOCK_CLOEXEC 0
#endif
#endif
#ifndef HAVE_SOCK_NONBLOCK
#define HAVE_SOCK_NONBLOCK (defined SOCK_NONBLOCK)
#ifdef SOCK_NONBLOCK
#define HAVE_SOCK_NONBLOCK 1
#else
#define HAVE_SOCK_NONBLOCK 0
#endif
#endif
#define DNS_SO_MAXTRY 7