diff options
Diffstat (limited to 'usr/src/lib/libbc/libc/gen/common/mblib.c')
-rw-r--r-- | usr/src/lib/libbc/libc/gen/common/mblib.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/usr/src/lib/libbc/libc/gen/common/mblib.c b/usr/src/lib/libbc/libc/gen/common/mblib.c new file mode 100644 index 0000000000..855dc0e6d8 --- /dev/null +++ b/usr/src/lib/libbc/libc/gen/common/mblib.c @@ -0,0 +1,89 @@ +/* + * 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. + */ + +/* + * misc routines + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#if !defined(lint) && defined(SCCSIDS) +static char *sccsid = "%Z%%M% %I% %E% SMI"; +#endif + +#include <stdio.h> +#include <sys/types.h> +#include "codeset.h" +#include "mbextern.h" +#include <dlfcn.h> + +static void *handle = (void *)NULL; /* initialize it with -1 */ + +/* + * Close current library library + */ +_ml_close_library() +{ + if (handle == (void *)NULL) { + _code_set_info.open_flag = NULL; + return; + } + + dlclose(handle); + _code_set_info.open_flag = NULL; + handle = (void *)NULL; + return(0); +} + +/* + * Open the given library + */ +void * +_ml_open_library() +{ + 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); +} |