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

cde/lib/DtSearch/raima/csoread.c

@@ -0,0 +1,74 @@
+/* $XConsortium: csoread.c /main/2 1996/05/09 04:00:07 drk $ */
+/*
+ *   COMPONENT_NAME: austext
+ *
+ *   FUNCTIONS: d_csoread
+ *
+ *   ORIGINS: 157
+ *
+ *   OBJECT CODE ONLY SOURCE MATERIALS
+ */
+/*-----------------------------------------------------------------------
+   csoread.c -- db_VISTA current set owner field read module.
+
+   (C) Copyright 1987 by Raima Corporation.
+-----------------------------------------------------------------------*/
+
+/* ********************** EDIT HISTORY *******************************
+
+ SCR    DATE    INI                   DESCRIPTION
+----- --------- --- -----------------------------------------------------
+      04-Aug-88 RTK MULTI_TASK changes
+*/
+
+#include <stdio.h>
+#include "vista.h"
+#include "dbtype.h"
+
+
+/* Read data from field  of current set owner
+*/
+d_csoread(set, field, data TASK_PARM DBN_PARM)
+int set;    /* Set constant */
+long field; /* Field constant */
+char FAR *data; /* Data area to contain field contents */
+TASK_DECL
+DBN_DECL    /* database number */
+{
+   int fld, rec;
+#ifndef SINGLE_USER
+   int dbopen_sv;
+#endif
+   char FAR *recp;
+   SET_ENTRY FAR *set_ptr;
+   RECORD_ENTRY FAR *rec_ptr;
+   FIELD_ENTRY FAR *fld_ptr;
+
+   DB_ENTER(DB_ID TASK_ID LOCK_SET(SET_IO));
+
+   if ((nset_check(set, &set, (SET_ENTRY FAR * FAR *)&set_ptr) != S_OKAY) ||
+       (nfld_check(field, &rec, &fld, (RECORD_ENTRY FAR * FAR *)&rec_ptr, (FIELD_ENTRY FAR * FAR *)&fld_ptr) != S_OKAY))
+      RETURN( db_status );
+
+   /* Make sure we have a current owner */
+   if ( ! curr_own[set] )
+      RETURN( dberr(S_NOCO) );
+
+   /* set up to allow unlocked read */
+#ifndef SINGLE_USER
+   dbopen_sv = dbopen;
+   dbopen = 2;
+#endif
+
+   /* Read current owner */
+   dio_read( curr_own[set], (char FAR * FAR *)&recp , NOPGHOLD);
+#ifndef SINGLE_USER
+   dbopen = dbopen_sv;
+#endif
+   if (db_status != S_OKAY)
+      RETURN( db_status );
+  
+   /* Get data from record and return */
+   RETURN( r_gfld(fld_ptr, recp, data) );
+}
+/* vpp -nOS2 -dUNIX -nBSD -nVANILLA_BSD -nVMS -nMEMLOCK -nWINDOWS -nFAR_ALLOC -f/usr/users/master/config/nonwin csoread.c */