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Diffstat (limited to 'usr/src/lib/libbc/libc/gen/common/mblib.c')
-rw-r--r--usr/src/lib/libbc/libc/gen/common/mblib.c89
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);
+}