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

cde/lib/DtSearch/raima/findco.c

@@ -0,0 +1,78 @@
+/* $XConsortium: findco.c /main/2 1996/05/09 04:06:00 drk $ */
+/*
+ *   COMPONENT_NAME: austext
+ *
+ *   FUNCTIONS: d_findco
+ *
+ *   ORIGINS: 157
+ *
+ *   OBJECT CODE ONLY SOURCE MATERIALS
+ */
+/*-----------------------------------------------------------------------
+   findco.c -- db_VISTA find owner of current record module
+
+   (C) Copyright 1987 by Raima Corp.
+-----------------------------------------------------------------------*/
+
+/* ********************** EDIT HISTORY *******************************
+
+ SCR    DATE    INI                   DESCRIPTION
+----- --------- --- -----------------------------------------------------
+      04-Aug-88 RTK MULTI_TASK changes
+*/
+
+#include <stdio.h>
+#include "vista.h"
+#include "dbtype.h"
+
+/* Find owner of current record
+*/
+d_findco(nset TASK_PARM DBN_PARM)
+int nset;
+TASK_DECL
+DBN_DECL
+{
+   int set;
+   char mem[MEMPSIZE];
+   DB_ADDR own;
+   SET_ENTRY FAR *set_ptr;
+
+   DB_ENTER(DB_ID TASK_ID LOCK_SET(SET_IO));
+
+   if (nset_check(nset, &set, (SET_ENTRY FAR * FAR *)&set_ptr) != S_OKAY)
+      RETURN( db_status );
+
+   /* Make sure we have a current record */
+   if ( ! curr_rec )
+      RETURN( dberr(S_NOCR) );
+
+   /* Read current record */
+   if ( dio_read(curr_rec, (char FAR * FAR *)&crloc, NOPGHOLD) != S_OKAY )
+      RETURN( db_status );
+   
+   /* Get the member ptr for this set */
+   if ( r_gmem(set, crloc, mem) != S_OKAY )
+      RETURN( db_status );
+
+   /* Extract the owner ptr from the member ptr */
+   bytecpy(&own, mem+MP_OWNER, DB_ADDR_SIZE);
+   if ( ! own )  /* Record not connected to set */
+      RETURN( dberr( S_NOTCON ) );
+
+   /* set the new current owner and member */
+   curr_own[set] = own;
+   curr_mem[set] = curr_rec;
+   curr_rec      = own;
+#ifndef	 NO_TIMESTAMP
+   /* set any timestamps */
+   if ( db_tsrecs ) {
+      d_utscr( &cr_time TASK_PARM );
+      d_utscm(nset, &cm_time[set] TASK_PARM DBN_PARM);
+      co_time[set] = cr_time;
+   }
+   if ( db_tssets )
+      d_utscs(nset, &cs_time[set] TASK_PARM DBN_PARM);
+#endif
+   RETURN( db_status = S_OKAY );
+}
+/* vpp -nOS2 -dUNIX -nBSD -nVANILLA_BSD -nVMS -nMEMLOCK -nWINDOWS -nFAR_ALLOC -f/usr/users/master/config/nonwin findco.c */