libreplace: move rep_socketpair() to its own module.

Prototype is now in system/network.h,
implementation in socketpair.c, and
check in socketpair.m4.

Now the last networking function has vanished from replace.c.

Michael
(cherry picked from commit 94ac8a25be15b55f66eff96fdddc2fdc71a43b1e)
(This used to be commit 6c53753246b8108fe1277b34958e122bd800c4e7)

6 files changed, 55 insertions, 24 deletions

diff --git a/source3/lib/replace/libreplace.m4 b/source3/lib/replace/libreplace.m4
index 3da2a90a99..8e17258918 100644
--- a/source3/lib/replace/libreplace.m4
+++ b/source3/lib/replace/libreplace.m4
@@ -158,7 +158,7 @@ fi
 AC_CHECK_FUNCS(seteuid setresuid setegid setresgid chroot bzero strerror)
 AC_CHECK_FUNCS(vsyslog setlinebuf mktime ftruncate chsize rename)
 AC_CHECK_FUNCS(waitpid strlcpy strlcat initgroups memmove strdup)
-AC_CHECK_FUNCS(pread pwrite strndup strcasestr strtok_r mkdtemp socketpair)
+AC_CHECK_FUNCS(pread pwrite strndup strcasestr strtok_r mkdtemp)
 AC_CHECK_FUNCS(isatty)
 AC_HAVE_DECL(setresuid, [#include <unistd.h>])
 AC_HAVE_DECL(setresgid, [#include <unistd.h>])
@@ -334,6 +334,7 @@ m4_include(inet_ntoa.m4)
 m4_include(getaddrinfo.m4)
 m4_include(repdir.m4)
 m4_include(getifaddrs.m4)
+m4_include(socketpair.m4)
 
 AC_CHECK_FUNCS([syslog printf memset memcpy],,[AC_MSG_ERROR([Required function not found])])
 
diff --git a/source3/lib/replace/replace.c b/source3/lib/replace/replace.c
index c16bded963..a6a8c0b6ed 100644
--- a/source3/lib/replace/replace.c
+++ b/source3/lib/replace/replace.c
@@ -585,25 +585,3 @@ int rep_unsetenv(const char *name)
 	return 0;
 }
 #endif
-
-#ifndef HAVE_SOCKETPAIR
-int rep_socketpair(int d, int type, int protocol, int sv[2])
-{
-	if (d != AF_UNIX) {
-		errno = EAFNOSUPPORT;
-		return -1;
-	}
-
-	if (protocol != 0) {
-		errno = EPROTONOSUPPORT;
-		return -1;
-	}
-
-	if (type != SOCK_STREAM) {
-		errno = EOPNOTSUPP;
-		return -1;
-	}
-
-	return pipe(sv);
-}
-#endif
diff --git a/source3/lib/replace/replace.h b/source3/lib/replace/replace.h
index 383536da65..5fe79394eb 100644
--- a/source3/lib/replace/replace.h
+++ b/source3/lib/replace/replace.h
@@ -212,7 +212,7 @@ int rep_dlclose(void *handle);
 
 #ifndef HAVE_SOCKETPAIR
 #define socketpair rep_socketpair
-int rep_socketpair(int d, int type, int protocol, int sv[2]);
+/* prototype is in system/network.h */
 #endif
 
 #ifndef PRINTF_ATTRIBUTE
diff --git a/source3/lib/replace/socketpair.c b/source3/lib/replace/socketpair.c
new file mode 100644
index 0000000000..c775730952
--- /dev/null
+++ b/source3/lib/replace/socketpair.c
@@ -0,0 +1,46 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * replacement routines for broken systems
+ * Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2006
+ * Copyright (C) Michael Adam <obnox@samba.org> 2008
+ *
+ *  ** NOTE! The following LGPL license applies to the replace
+ *  ** library. This does NOT imply that all of Samba is released
+ *  ** under the LGPL
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "replace.h"
+#include "system/network.h"
+
+int rep_socketpair(int d, int type, int protocol, int sv[2])
+{
+	if (d != AF_UNIX) {
+		errno = EAFNOSUPPORT;
+		return -1;
+	}
+
+	if (protocol != 0) {
+		errno = EPROTONOSUPPORT;
+		return -1;
+	}
+
+	if (type != SOCK_STREAM) {
+		errno = EOPNOTSUPP;
+		return -1;
+	}
+
+	return pipe(sv);
+}
diff --git a/source3/lib/replace/socketpair.m4 b/source3/lib/replace/socketpair.m4
new file mode 100644
index 0000000000..7088334cda
--- /dev/null
+++ b/source3/lib/replace/socketpair.m4
@@ -0,0 +1 @@
+AC_CHECK_FUNCS(socketpair,[],[LIBREPLACEOBJ="${LIBREPLACEOBJ} socketpair.o"])
diff --git a/source3/lib/replace/system/network.h b/source3/lib/replace/system/network.h
index f943a7fd87..a5fb813aa1 100644
--- a/source3/lib/replace/system/network.h
+++ b/source3/lib/replace/system/network.h
@@ -143,6 +143,11 @@ int rep_getifaddrs(struct ifaddrs **);
 void rep_freeifaddrs(struct ifaddrs *);
 #endif
 
+#ifndef HAVE_SOCKETPAIR
+/* define is in "replace.h" */
+int rep_socketpair(int d, int type, int protocol, int sv[2]);
+#endif
+
 /*
  * Some systems have getaddrinfo but not the
  * defines needed to use it.