From cda5d340e78555d2542be9264137319c5308e798 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 18:44:12 +0200
Subject: Adding upstream version 2.4.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 lib/replace/dlfcn.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 lib/replace/dlfcn.c

(limited to 'lib/replace/dlfcn.c')

diff --git a/lib/replace/dlfcn.c b/lib/replace/dlfcn.c
new file mode 100644
index 0000000..88431ed
--- /dev/null
+++ b/lib/replace/dlfcn.c
@@ -0,0 +1,76 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Samba system utilities
+   Copyright (C) Andrew Tridgell 1992-1998
+   Copyright (C) Jeremy Allison 1998-2002
+   Copyright (C) Jelmer Vernooij 2006
+
+     ** 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"
+#ifdef HAVE_DL_H
+#include <dl.h>
+#endif
+
+#ifndef HAVE_DLOPEN
+#ifdef DLOPEN_TAKES_UNSIGNED_FLAGS
+void *rep_dlopen(const char *name, unsigned int flags)
+#else
+void *rep_dlopen(const char *name, int flags)
+#endif
+{
+#ifdef HAVE_SHL_LOAD
+	if (name == NULL)
+		return PROG_HANDLE;
+	return (void *)shl_load(name, flags, 0);
+#else
+	return NULL;
+#endif
+}
+#endif
+
+#ifndef HAVE_DLSYM
+void *rep_dlsym(void *handle, const char *symbol)
+{
+#ifdef HAVE_SHL_FINDSYM
+	void *sym_addr;
+	if (!shl_findsym((shl_t *)&handle, symbol, TYPE_UNDEFINED, &sym_addr))
+		return sym_addr;
+#endif
+    return NULL;
+}
+#endif
+
+#ifndef HAVE_DLERROR
+char *rep_dlerror(void)
+{
+	return "dynamic loading of objects not supported on this platform";
+}
+#endif
+
+#ifndef HAVE_DLCLOSE
+int rep_dlclose(void *handle)
+{
+#ifdef HAVE_SHL_CLOSE
+	return shl_unload((shl_t)handle);
+#else
+	return 0;
+#endif
+}
+#endif
-- 
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