17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 237c478bd9Sstevel@tonic-gate * Copyright 1990 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 27*5d54f3d8Smuffin #pragma ident "%Z%%M% %I% %E% SMI" 28*5d54f3d8Smuffin 297c478bd9Sstevel@tonic-gate /* 307c478bd9Sstevel@tonic-gate * misc routines 317c478bd9Sstevel@tonic-gate */ 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #include <stdio.h> 347c478bd9Sstevel@tonic-gate #include <sys/types.h> 357c478bd9Sstevel@tonic-gate #include "codeset.h" 367c478bd9Sstevel@tonic-gate #include "mbextern.h" 377c478bd9Sstevel@tonic-gate #include <dlfcn.h> 387c478bd9Sstevel@tonic-gate 39*5d54f3d8Smuffin static void *handle = (void *)NULL; /* initialize it with NULL */ 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate /* 427c478bd9Sstevel@tonic-gate * Close current library library 437c478bd9Sstevel@tonic-gate */ 44*5d54f3d8Smuffin int 45*5d54f3d8Smuffin _ml_close_library(void) 467c478bd9Sstevel@tonic-gate { 477c478bd9Sstevel@tonic-gate if (handle == (void *)NULL) { 487c478bd9Sstevel@tonic-gate _code_set_info.open_flag = NULL; 49*5d54f3d8Smuffin return (-1); 507c478bd9Sstevel@tonic-gate } 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate dlclose(handle); 537c478bd9Sstevel@tonic-gate _code_set_info.open_flag = NULL; 547c478bd9Sstevel@tonic-gate handle = (void *)NULL; 557c478bd9Sstevel@tonic-gate return (0); 567c478bd9Sstevel@tonic-gate } 577c478bd9Sstevel@tonic-gate 587c478bd9Sstevel@tonic-gate /* 597c478bd9Sstevel@tonic-gate * Open the given library 607c478bd9Sstevel@tonic-gate */ 617c478bd9Sstevel@tonic-gate void * 62*5d54f3d8Smuffin _ml_open_library(void) 637c478bd9Sstevel@tonic-gate { 647c478bd9Sstevel@tonic-gate char buf[BUFSIZ]; 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate if (handle != (void *)NULL) /* This library is already opened */ 677c478bd9Sstevel@tonic-gate return (handle); 687c478bd9Sstevel@tonic-gate 697c478bd9Sstevel@tonic-gate /* 707c478bd9Sstevel@tonic-gate * Open the given library 717c478bd9Sstevel@tonic-gate */ 727c478bd9Sstevel@tonic-gate strcpy(buf, LIBRARY_PATH); 737c478bd9Sstevel@tonic-gate strcat(buf, _code_set_info.code_name); 747c478bd9Sstevel@tonic-gate strcat(buf, ".so"); 757c478bd9Sstevel@tonic-gate #ifdef DEBUG 767c478bd9Sstevel@tonic-gate printf ("ml_open_library: buf = '%s'\n", buf); 777c478bd9Sstevel@tonic-gate #endif 787c478bd9Sstevel@tonic-gate handle = dlopen(buf, 1); 797c478bd9Sstevel@tonic-gate if (handle != (void *)NULL) 807c478bd9Sstevel@tonic-gate _code_set_info.open_flag = 1; 817c478bd9Sstevel@tonic-gate #ifdef DEBUG 827c478bd9Sstevel@tonic-gate else 837c478bd9Sstevel@tonic-gate printf ("_ml_open_library: dlopen failed\n"); 847c478bd9Sstevel@tonic-gate #endif 857c478bd9Sstevel@tonic-gate return (handle); 867c478bd9Sstevel@tonic-gate } 87