Initial import of the CDE 2.1.30 sources from the Open Group.

cde/lib/tt/mini_isam/isindexconv.c

@@ -0,0 +1,101 @@
+/*%%  (c) Copyright 1993, 1994 Hewlett-Packard Company			 */
+/*%%  (c) Copyright 1993, 1994 International Business Machines Corp.	 */
+/*%%  (c) Copyright 1993, 1994 Sun Microsystems, Inc.			 */
+/*%%  (c) Copyright 1993, 1994 Novell, Inc. 				 */
+/*%%  $XConsortium: isindexconv.c /main/3 1995/10/23 11:40:48 rswiston $ 			 				 */
+#ifndef lint
+static char sccsid[] = "@(#)isindexconv.c 1.3 89/07/17 Copyr 1988 Sun Micro";
+#endif
+/*
+ * Copyright (c) 1988 by Sun Microsystems, Inc.
+ */
+
+/*
+ * isindexconv.c
+ *
+ * Description:
+ *	Encode/decode key descriptor
+ */
+
+#include "isam_impl.h"
+
+void
+stkey(pkeydesc2, p)
+    Keydesc2		*pkeydesc2;
+    char		*p;
+{
+    int                         i;
+    register struct keypart2   	*ppart;
+    register char               *pp;
+    int                         nparts;
+
+    stshort(pkeydesc2->k2_flags, p + K2_FLAGS_OFF);
+    stshort(pkeydesc2->k2_nparts, p + K2_NPARTS_OFF);
+    stshort(pkeydesc2->k2_len, p + K2_LEN_OFF);
+    stblkno(pkeydesc2->k2_rootnode, p + K2_ROOT_OFF);
+    stlong((long)pkeydesc2->k2_keyid, p + K2_KEYID_OFF);
+
+    ppart = pkeydesc2->k2_part;
+    pp    = p + K2_KEYPART_OFF;
+    nparts = pkeydesc2->k2_nparts + 1;	     /* +1 for recno part */
+
+    if (ALLOWS_DUPS2(pkeydesc2))	     /* +1 for dups serial number*/
+	nparts++;
+ 
+    for (i = 0; i < nparts;i++) {
+        stshort(ppart->kp2_start, pp);
+        pp += SHORTSIZE;
+ 
+        stshort(ppart->kp2_leng, pp);
+        pp += SHORTSIZE;
+ 
+        stshort(ppart->kp2_type, pp);
+        pp += SHORTSIZE;
+ 
+        stshort(ppart->kp2_offset, pp);
+        pp += SHORTSIZE;
+        
+        ppart++;
+    }
+}      
+
+void
+ldkey(pkeydesc2,p)
+    register struct keydesc2    *pkeydesc2;
+    register char               *p;
+{
+    int                         i;
+    register struct keypart2    *ppart;
+    register char               *pp;
+    int                         nparts;
+
+    memset ((char *) pkeydesc2, 0, sizeof (*pkeydesc2));
+    pkeydesc2->k2_flags = ldshort(p + K2_FLAGS_OFF);
+    pkeydesc2->k2_nparts = ldshort(p + K2_NPARTS_OFF);
+    pkeydesc2->k2_len = ldshort(p + K2_LEN_OFF);
+    pkeydesc2->k2_rootnode = ldblkno(p + K2_ROOT_OFF);
+    pkeydesc2->k2_keyid = ldlong(p + K2_KEYID_OFF);
+
+    ppart = pkeydesc2->k2_part;
+    pp    = p + K2_KEYPART_OFF;
+    nparts = pkeydesc2->k2_nparts + 1;	     /* +1 for recno part */
+
+    if (ALLOWS_DUPS2(pkeydesc2))	     /* +1 for dups serial number*/
+	nparts++;
+
+    for (i = 0; i < nparts;i++) {
+        ppart->kp2_start = ldunshort(pp);
+        pp += SHORTSIZE;
+
+        ppart->kp2_leng = ldshort(pp);
+        pp += SHORTSIZE;
+
+        ppart->kp2_type = ldshort(pp);
+        pp += SHORTSIZE;
+
+        ppart->kp2_offset = ldunshort(pp);
+        pp += SHORTSIZE;
+        
+        ppart++;
+    }
+}