1 files changed, 69 insertions, 0 deletions
diff --git a/usr/src/lib/libast/common/cdt/dtclose.c b/usr/src/lib/libast/common/cdt/dtclose.c
new file mode 100644
index 0000000000..b3b17bbbeb
--- /dev/null
+++ b/usr/src/lib/libast/common/cdt/dtclose.c
@@ -0,0 +1,69 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*           Copyright (c) 1985-2007 AT&T Knowledge Ventures            *
+*                      and is licensed under the                       *
+*                  Common Public License, Version 1.0                  *
+*                      by AT&T Knowledge Ventures                      *
+*                                                                      *
+*                A copy of the License is available at                 *
+*            http://www.opensource.org/licenses/cpl1.0.txt             *
+*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                  David Korn <dgk@research.att.com>                   *
+*                   Phong Vo <kpv@research.att.com>                    *
+*                                                                      *
+***********************************************************************/
+#include	"dthdr.h"
+
+/*	Close a dictionary
+**
+**	Written by Kiem-Phong Vo (05/25/96)
+*/
+#if __STD_C
+int dtclose(reg Dt_t* dt)
+#else
+int dtclose(dt)
+reg Dt_t*	dt;
+#endif
+{
+	Dtdisc_t	*disc;
+	int		ev = 0;
+
+	if(!dt || dt->nview > 0 ) /* can't close if being viewed */
+		return -1;
+
+	/* announce the close event to see if we should continue */
+	disc = dt->disc;
+	if(disc->eventf &&
+	   (ev = (*disc->eventf)(dt,DT_CLOSE,NIL(Void_t*),disc)) < 0)
+		return -1;
+
+	if(dt->view)	/* turn off viewing */
+		dtview(dt,NIL(Dt_t*));
+
+	if(ev == 0) /* release all allocated data */
+	{	(void)(*(dt->meth->searchf))(dt,NIL(Void_t*),DT_CLEAR);
+		if(dtsize(dt) > 0)
+			return -1;
+
+		if(dt->data->ntab > 0)
+			(*dt->memoryf)(dt,(Void_t*)dt->data->htab,0,disc);
+		(*dt->memoryf)(dt,(Void_t*)dt->data,0,disc);
+	}
+
+	if(dt->type == DT_MALLOC)
+		free((Void_t*)dt);
+	else if(ev == 0 && dt->type == DT_MEMORYF)
+		(*dt->memoryf)(dt, (Void_t*)dt, 0, disc);
+
+	if(disc->eventf)
+		(void)(*disc->eventf)(dt, DT_ENDCLOSE, NIL(Void_t*), disc);
+
+	return 0;
+}