+2901. [port] Use AC_C_FLEXIBLE_ARRAY_MEMBER. [RT #21316]
+
2900. [bug] The placeholder negative caching element was not
properly constructed triggering a INSIST in
dns_ncache_towire(). [RT #21346]
* PERFORMANCE OF THIS SOFTWARE.
*/
-/* $Id: config.h.in,v 1.124 2010/05/12 08:25:21 marka Exp $ */
+/* $Id: config.h.in,v 1.126 2010/05/26 23:44:27 marka Exp $ */
/*! \file */
/* Solaris hack to get select_large_fdset. */
#undef FD_SETSIZE
+/* Define to nothing if C supports flexible array members, and to 1 if it does
+ not. That way, with a declaration like `struct s { int n; double
+ d[FLEXIBLE_ARRAY_MEMBER]; };', the struct hack can be used with pre-C99
+ compilers. When computing the size of such an object, don't use 'sizeof
+ (struct s)' as it overestimates the size. Use 'offsetof (struct s, d)'
+ instead. Don't use 'offsetof (struct s, d[0])', as this doesn't work with
+ MSVC and with C++ compilers. */
+#undef FLEXIBLE_ARRAY_MEMBER
+
/* Define to 1 if you have the `chroot' function. */
#undef HAVE_CHROOT
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
#
-# $Id: configure,v 1.475 2010/05/12 08:25:21 marka Exp $
+# $Id: configure,v 1.476 2010/05/19 07:13:15 marka Exp $
#
# Portions Copyright (C) 1996-2001 Nominum, Inc.
#
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-# From configure.in Revision: 1.492 .
+# From configure.in Revision: 1.493 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.62.
#
fi
+ { $as_echo "$as_me:$LINENO: checking for flexible array members" >&5
+$as_echo_n "checking for flexible array members... " >&6; }
+if test "${ac_cv_c_flexmember+set}" = set; then
+ $as_echo_n "(cached) " >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <stdlib.h>
+ #include <stdio.h>
+ #include <stddef.h>
+ struct s { int n; double d[]; };
+int
+main ()
+{
+int m = getchar ();
+ struct s *p = malloc (offsetof (struct s, d)
+ + m * sizeof (double));
+ p->d[0] = 0.0;
+ return p->d != (double *) NULL;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_c_flexmember=yes
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_c_flexmember=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_flexmember" >&5
+$as_echo "$ac_cv_c_flexmember" >&6; }
+ if test $ac_cv_c_flexmember = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define FLEXIBLE_ARRAY_MEMBER /**/
+_ACEOF
+
+ else
+ cat >>confdefs.h <<\_ACEOF
+#define FLEXIBLE_ARRAY_MEMBER 1
+_ACEOF
+
+ fi
+
+
#
# Older versions of HP/UX don't define seteuid() and setegid()
#
esyscmd([sed "s/^/# /" COPYRIGHT])dnl
AC_DIVERT_POP()dnl
-AC_REVISION($Revision: 1.492 $)
+AC_REVISION($Revision: 1.493 $)
AC_INIT(lib/dns/name.c)
AC_PREREQ(2.59)
AC_C_INLINE
AC_C_VOLATILE
AC_CHECK_FUNC(sysctlbyname, AC_DEFINE(HAVE_SYSCTLBYNAME))
+AC_C_FLEXIBLE_ARRAY_MEMBER
#
# Older versions of HP/UX don't define seteuid() and setegid()
* PERFORMANCE OF THIS SOFTWARE.
*/
-/* $Id: client.c,v 1.9 2010/04/14 22:08:47 jinmei Exp $ */
+/* $Id: client.c,v 1.10 2010/05/19 07:09:25 marka Exp $ */
#include <config.h>
+#include <stddef.h>
+
#include <isc/app.h>
#include <isc/mem.h>
#include <isc/mutex.h>
dns_rdata_t rdata;
size_t size;
isc_mem_t * mctx;
- unsigned char data[0];
+ unsigned char data[FLEXIBLE_ARRAY_MEMBER];
} dns_client_updaterec_t;
isc_result_t
dns_rdataset_t *rdataset, dns_rdatalist_t *rdatalist,
dns_rdata_t *rdata, isc_mem_t *mctx)
{
- dns_client_updaterec_t *updaterec;
- size_t size = sizeof(dns_client_updaterec_t);
- isc_buffer_t *b = NULL;
+ dns_client_updaterec_t *updaterec = NULL;
+ size_t size = offsetof(dns_client_updaterec_t, data);
REQUIRE(op < updateop_max);
REQUIRE(owner != NULL);
dns_rdataset_init(rdataset);
dns_rdatalist_init(&updaterec->rdatalist);
dns_rdata_init(&updaterec->rdata);
- isc_buffer_init(b, b + 1,
- size - sizeof(dns_client_updaterec_t));
- dns_name_copy(owner, target, b);
+ isc_buffer_init(&updaterec->buffer, updaterec->data,
+ size - offsetof(dns_client_updaterec_t, data));
+ dns_name_copy(owner, target, &updaterec->buffer);
if (source != NULL) {
isc_region_t r;
dns_rdata_clone(source, rdata);
dns_rdata_toregion(rdata, &r);
- rdata->data = isc_buffer_used(b);
- isc_buffer_copyregion(b, &r);
-
+ rdata->data = isc_buffer_used(&updaterec->buffer);
+ isc_buffer_copyregion(&updaterec->buffer, &r);
}
updaterec->mctx = NULL;
isc_mem_attach(mctx, &updaterec->mctx);
ISC_LIST_APPEND(rdatalist->rdata, rdata, link);
dns_rdatalist_tordataset(rdatalist, rdataset);
ISC_LIST_APPEND(target->list, rdataset, link);
- if (b != NULL) {
+ if (updaterec != NULL) {
target->attributes |= DNS_NAMEATTR_HASUPDATEREC;
- dns_name_setbuffer(target, b);
+ dns_name_setbuffer(target, &updaterec->buffer);
}
if (op == updateop_add || op == updateop_delete)
target->attributes |= DNS_NAMEATTR_UPDATE;
projects / thirdparty / bind9.git / commitdiff
