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-rw-r--r--replace/dlfcn.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/replace/dlfcn.c b/replace/dlfcn.c
new file mode 100644
index 0000000000..3b109d7e40
--- /dev/null
+++ b/replace/dlfcn.c
@@ -0,0 +1,75 @@
+/*
+ Unix SMB/CIFS implementation.
+ Samba system utilities
+ Copyright (C) Andrew Tridgell 1992-1998
+ Copyright (C) Jeremy Allison 1998-2002
+
+ ** 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