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-rw-r--r--Makefile.netware1
-rw-r--r--configure.ac30
-rw-r--r--inet_net_pton.c5
-rw-r--r--inet_net_pton.h2
-rw-r--r--m4/cares-functions.m4161
5 files changed, 165 insertions, 34 deletions
diff --git a/Makefile.netware b/Makefile.netware
index 854de9c..9ed7ba0 100644
--- a/Makefile.netware
+++ b/Makefile.netware
@@ -310,7 +310,6 @@ else
@echo $(DL)#define HAVE_DLOPEN 1$(DL) >> $@
@echo $(DL)#define HAVE_FTRUNCATE 1$(DL) >> $@
@echo $(DL)#define HAVE_GETTIMEOFDAY 1$(DL) >> $@
- @echo $(DL)#define HAVE_INET_PTON 1$(DL) >> $@
@echo $(DL)#define HAVE_INTTYPES_H 1$(DL) >> $@
@echo $(DL)#define HAVE_LIMITS_H 1$(DL) >> $@
@echo $(DL)#define HAVE_LONGLONG 1$(DL) >> $@
diff --git a/configure.ac b/configure.ac
index 5c43e00..97d8304 100644
--- a/configure.ac
+++ b/configure.ac
@@ -661,6 +661,7 @@ CURL_CHECK_MSG_NOSIGNAL
CARES_CHECK_FUNC_GETHOSTNAME
CARES_CHECK_FUNC_GETSERVBYPORT_R
CARES_CHECK_FUNC_INET_NTOP
+CARES_CHECK_FUNC_INET_PTON
CARES_CHECK_FUNC_STRCASECMP
CARES_CHECK_FUNC_STRCMPI
CARES_CHECK_FUNC_STRDUP
@@ -860,35 +861,6 @@ AC_CHECK_FUNCS([bitncmp \
])
-dnl check for inet_pton
-AC_CHECK_FUNCS(inet_pton)
-dnl Some systems have it, but not IPv6
-if test "$ac_cv_func_inet_pton" = "yes" ; then
-AC_MSG_CHECKING(if inet_pton supports IPv6)
-AC_TRY_RUN(
- [
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-#ifdef HAVE_NETINET_IN_H
-#include <netinet/in.h>
-#endif
-int main()
- {
- struct in6_addr addr6;
- if (inet_pton(AF_INET6, "::1", &addr6) < 1)
- exit(1);
- else
- exit(0);
- }
- ], [
- AC_MSG_RESULT(yes)
- AC_DEFINE_UNQUOTED(HAVE_INET_PTON_IPV6,1,[Define to 1 if inet_pton supports IPv6.])
- ], AC_MSG_RESULT(no),AC_MSG_RESULT(no))
-fi
dnl Check for inet_net_pton
AC_CHECK_FUNCS(inet_net_pton)
dnl Again, some systems have it, but not IPv6
diff --git a/inet_net_pton.c b/inet_net_pton.c
index 0936aa1..a3e9338 100644
--- a/inet_net_pton.c
+++ b/inet_net_pton.c
@@ -46,8 +46,7 @@
#include "ares_ipv6.h"
#include "inet_net_pton.h"
-#if !defined(HAVE_INET_NET_PTON) || !defined(HAVE_INET_NET_PTON_IPV6) || \
- !defined(HAVE_INET_PTON) || !defined(HAVE_INET_PTON_IPV6)
+#if !defined(HAVE_INET_NET_PTON) || !defined(HAVE_INET_NET_PTON_IPV6)
/*
* static int
@@ -424,7 +423,7 @@ ares_inet_net_pton(int af, const char *src, void *dst, size_t size)
#endif
-#if !defined(HAVE_INET_PTON) || !defined(HAVE_INET_PTON_IPV6)
+#ifndef HAVE_INET_PTON
int ares_inet_pton(int af, const char *src, void *dst)
{
int size, result;
diff --git a/inet_net_pton.h b/inet_net_pton.h
index 0f45460..f5642a5 100644
--- a/inet_net_pton.h
+++ b/inet_net_pton.h
@@ -18,7 +18,7 @@
* without express or implied warranty.
*/
-#if defined(HAVE_INET_PTON) && defined(HAVE_INET_PTON_IPV6)
+#ifdef HAVE_INET_PTON
#define ares_inet_pton(x,y,z) inet_pton(x,y,z)
#else
int ares_inet_pton(int af, const char *src, void *dst);
diff --git a/m4/cares-functions.m4 b/m4/cares-functions.m4
index bdec24b..520e99a 100644
--- a/m4/cares-functions.m4
+++ b/m4/cares-functions.m4
@@ -552,6 +552,167 @@ AC_DEFUN([CARES_CHECK_FUNC_INET_NTOP], [
])
+dnl CARES_CHECK_FUNC_INET_PTON
+dnl -------------------------------------------------
+dnl Verify if inet_pton is available, prototyped, can
+dnl be compiled and seems to work. If all of these are
+dnl true, and usage has not been previously disallowed
+dnl with shell variable cares_disallow_inet_pton, then
+dnl HAVE_INET_PTON will be defined.
+
+AC_DEFUN([CARES_CHECK_FUNC_INET_PTON], [
+ AC_REQUIRE([CARES_INCLUDES_ARPA_INET])dnl
+ AC_REQUIRE([CARES_INCLUDES_STRING])dnl
+ #
+ tst_links_inet_pton="unknown"
+ tst_proto_inet_pton="unknown"
+ tst_compi_inet_pton="unknown"
+ tst_works_inet_pton="unknown"
+ tst_allow_inet_pton="unknown"
+ #
+ AC_MSG_CHECKING([if inet_pton can be linked])
+ AC_LINK_IFELSE([
+ AC_LANG_FUNC_LINK_TRY([inet_pton])
+ ],[
+ AC_MSG_RESULT([yes])
+ tst_links_inet_pton="yes"
+ ],[
+ AC_MSG_RESULT([no])
+ tst_links_inet_pton="no"
+ ])
+ #
+ if test "$tst_links_inet_pton" = "yes"; then
+ AC_MSG_CHECKING([if inet_pton is prototyped])
+ AC_EGREP_CPP([inet_pton],[
+ $cares_includes_arpa_inet
+ ],[
+ AC_MSG_RESULT([yes])
+ tst_proto_inet_pton="yes"
+ ],[
+ AC_MSG_RESULT([no])
+ tst_proto_inet_pton="no"
+ ])
+ fi
+ #
+ if test "$tst_proto_inet_pton" = "yes"; then
+ AC_MSG_CHECKING([if inet_pton is compilable])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+ $cares_includes_arpa_inet
+ ]],[[
+ if(0 != inet_pton(0, 0, 0))
+ return 1;
+ ]])
+ ],[
+ AC_MSG_RESULT([yes])
+ tst_compi_inet_pton="yes"
+ ],[
+ AC_MSG_RESULT([no])
+ tst_compi_inet_pton="no"
+ ])
+ fi
+ #
+ dnl only do runtime verification when not cross-compiling
+ if test "x$cross_compiling" != "xyes" &&
+ test "$tst_compi_inet_pton" = "yes"; then
+ AC_MSG_CHECKING([if inet_pton seems to work])
+ AC_RUN_IFELSE([
+ AC_LANG_PROGRAM([[
+ $cares_includes_arpa_inet
+ $cares_includes_string
+ ]],[[
+ unsigned char ipv6a[26];
+ unsigned char ipv4a[5];
+ const char *ipv6src = "fe80::214:4fff:fe0b:76c8";
+ const char *ipv4src = "192.168.100.1";
+ /* - */
+ memset(ipv4a, 1, sizeof(ipv4a));
+ if(1 != inet_pton(AF_INET, ipv4src, ipv4a))
+ exit(1); /* fail */
+ /* - */
+ if( (ipv4a[0] != 0xc0) ||
+ (ipv4a[1] != 0xa8) ||
+ (ipv4a[2] != 0x64) ||
+ (ipv4a[3] != 0x01) ||
+ (ipv4a[4] != 0x01) )
+ exit(1); /* fail */
+ /* - */
+ memset(ipv6a, 1, sizeof(ipv6a));
+ if(1 != inet_pton(AF_INET6, ipv6src, ipv6a))
+ exit(1); /* fail */
+ /* - */
+ ipv6res[0] = '\0';
+ memset(ipv6a, 0, sizeof(ipv6a));
+ if( (ipv6a[0] != 0xfe) ||
+ (ipv6a[1] != 0x80) ||
+ (ipv6a[8] != 0x02) ||
+ (ipv6a[9] != 0x14) ||
+ (ipv6a[10] != 0x4f) ||
+ (ipv6a[11] != 0xff) ||
+ (ipv6a[12] != 0xfe) ||
+ (ipv6a[13] != 0x0b) ||
+ (ipv6a[14] != 0x76) ||
+ (ipv6a[15] != 0xc8) ||
+ (ipv6a[25] != 0x01) )
+ exit(1); /* fail */
+ /* - */
+ if( (ipv6a[2] != 0x0) ||
+ (ipv6a[3] != 0x0) ||
+ (ipv6a[4] != 0x0) ||
+ (ipv6a[5] != 0x0) ||
+ (ipv6a[6] != 0x0) ||
+ (ipv6a[7] != 0x0) ||
+ (ipv6a[16] != 0x0) ||
+ (ipv6a[17] != 0x0) ||
+ (ipv6a[18] != 0x0) ||
+ (ipv6a[19] != 0x0) ||
+ (ipv6a[20] != 0x0) ||
+ (ipv6a[21] != 0x0) ||
+ (ipv6a[22] != 0x0) ||
+ (ipv6a[23] != 0x0) ||
+ (ipv6a[24] != 0x0) )
+ exit(1); /* fail */
+ /* - */
+ exit(0);
+ ]])
+ ],[
+ AC_MSG_RESULT([yes])
+ tst_works_inet_pton="yes"
+ ],[
+ AC_MSG_RESULT([no])
+ tst_works_inet_pton="no"
+ ])
+ fi
+ #
+ if test "$tst_compi_inet_pton" = "yes" &&
+ test "$tst_works_inet_pton" != "no"; then
+ AC_MSG_CHECKING([if inet_pton usage allowed])
+ if test "x$cares_disallow_inet_pton" != "xyes"; then
+ AC_MSG_RESULT([yes])
+ tst_allow_inet_pton="yes"
+ else
+ AC_MSG_RESULT([no])
+ tst_allow_inet_pton="no"
+ fi
+ fi
+ #
+ AC_MSG_CHECKING([if inet_pton might be used])
+ if test "$tst_links_inet_pton" = "yes" &&
+ test "$tst_proto_inet_pton" = "yes" &&
+ test "$tst_compi_inet_pton" = "yes" &&
+ test "$tst_allow_inet_pton" = "yes" &&
+ test "$tst_works_inet_pton" != "no"; then
+ AC_MSG_RESULT([yes])
+ AC_DEFINE_UNQUOTED(HAVE_INET_PTON, 1,
+ [Define to 1 if you have a IPv6 capable working inet_pton function.])
+ ac_cv_func_inet_pton="yes"
+ else
+ AC_MSG_RESULT([no])
+ ac_cv_func_inet_pton="no"
+ fi
+])
+
+
dnl CARES_CHECK_FUNC_STRCASECMP
dnl -------------------------------------------------
dnl Verify if strcasecmp is available, prototyped, and
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-23 07:20:49 +0000