Remove obsolete netbsd dynloader code

dlopen() has been documented since NetBSD 1.1 (1995).

1 files changed, 2 insertions, 101 deletions

diff --git a/src/backend/port/dynloader/netbsd.c b/src/backend/port/dynloader/netbsd.c
index 7b8d90caa76..8f7f56864d9 100644
--- a/src/backend/port/dynloader/netbsd.c
+++ b/src/backend/port/dynloader/netbsd.c
@@ -1,106 +1,7 @@
 /*
- * Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group
- * Portions Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
  * src/backend/port/dynloader/netbsd.c
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *	  notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *	  notice, this list of conditions and the following disclaimer in the
- *	  documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- *	  may be used to endorse or promote products derived from this software
- *	  without specific prior written permission.
+ * Dummy file used for nothing at this point
  *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
+ * see netbsd.h
  */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "@(#)dl.c	5.4 (Berkeley) 2/23/91";
-#endif							/* LIBC_SCCS and not lint */
-
-#include "postgres.h"
-
-#include <nlist.h>
-#include <link.h>
-#include <dlfcn.h>
-
-#include "dynloader.h"
-
-static char error_message[BUFSIZ];
-
-char *
-BSD44_derived_dlerror(void)
-{
-	static char ret[BUFSIZ];
-
-	strcpy(ret, error_message);
-	error_message[0] = 0;
-	return (ret[0] == 0) ? NULL : ret;
-}
-
-void *
-BSD44_derived_dlopen(const char *file, int num)
-{
-#if !defined(HAVE_DLOPEN)
-	snprintf(error_message, sizeof(error_message),
-			 "dlopen (%s) not supported", file);
-	return NULL;
-#else
-	void	   *vp;
-
-	if ((vp = dlopen((char *) file, num)) == NULL)
-		snprintf(error_message, sizeof(error_message),
-				 "dlopen (%s) failed: %s", file, dlerror());
-	return vp;
-#endif
-}
-
-void *
-BSD44_derived_dlsym(void *handle, const char *name)
-{
-#if !defined(HAVE_DLOPEN)
-	snprintf(error_message, sizeof(error_message),
-			 "dlsym (%s) failed", name);
-	return NULL;
-#else
-	void	   *vp;
-
-#ifndef __ELF__
-	char		buf[BUFSIZ];
-
-	if (*name != '_')
-	{
-		snprintf(buf, sizeof(buf), "_%s", name);
-		name = buf;
-	}
-#endif							/* !__ELF__ */
-	if ((vp = dlsym(handle, (char *) name)) == NULL)
-		snprintf(error_message, sizeof(error_message),
-				 "dlsym (%s) failed", name);
-	return vp;
-#endif
-}
-
-void
-BSD44_derived_dlclose(void *handle)
-{
-#if defined(HAVE_DLOPEN)
-	dlclose(handle);
-#endif
-}