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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1990 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* misc routines
*/
#include <stdio.h>
#include <sys/types.h>
#include "codeset.h"
#include "mbextern.h"
#include <dlfcn.h>
static void *handle = (void *)NULL; /* initialize it with NULL */
/*
* Close current library library
*/
int
_ml_close_library(void)
{
if (handle == (void *)NULL) {
_code_set_info.open_flag = NULL;
return (-1);
}
dlclose(handle);
_code_set_info.open_flag = NULL;
handle = (void *)NULL;
return (0);
}
/*
* Open the given library
*/
void *
_ml_open_library(void)
{
char buf[BUFSIZ];
if (handle != (void *)NULL) /* This library is already opened */
return (handle);
/*
* Open the given library
*/
strcpy(buf, LIBRARY_PATH);
strcat(buf, _code_set_info.code_name);
strcat(buf, ".so");
#ifdef DEBUG
printf ("ml_open_library: buf = '%s'\n", buf);
#endif
handle = dlopen(buf, 1);
if (handle != (void *)NULL)
_code_set_info.open_flag = 1;
#ifdef DEBUG
else
printf ("_ml_open_library: dlopen failed\n");
#endif
return (handle);
}
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