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

cde/lib/DtSearch/raima/csmwrite.c

@@ -0,0 +1,92 @@
+/* $XConsortium: csmwrite.c /main/2 1996/05/09 03:59:37 drk $ */
+/*
+ *   COMPONENT_NAME: austext
+ *
+ *   FUNCTIONS: d_csmwrite
+ *
+ *   ORIGINS: 157
+ *
+ *   OBJECT CODE ONLY SOURCE MATERIALS
+ */
+/*-----------------------------------------------------------------------
+   csmwrite.c -- db_VISTA current set member field write 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"
+
+
+/* Write data to a field in the current set member
+*/
+d_csmwrite(set, field, data TASK_PARM DBN_PARM)
+int set;    /* Set constant */
+long field; /* Field constant */
+CONST char FAR *data; /* Data area to contain field contents */
+TASK_DECL
+DBN_DECL    /* database number */
+{
+#ifndef	 NO_TIMESTAMP
+   ULONG timestamp;
+#endif
+   int stat, fld, rec;
+   char FAR *recp;
+   SET_ENTRY FAR *set_ptr;
+   RECORD_ENTRY FAR *rec_ptr;
+   FIELD_ENTRY FAR *fld_ptr;
+   DB_ADDR FAR *cm_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 );
+
+   /* compound keys cannot be updated directly */
+   if ( fld_ptr->fd_type == COMKEY )
+      RETURN( dberr(S_ISCOMKEY) );
+
+   /* field used in compound keys cannot be updated directly */
+   if ( fld_ptr->fd_flags & COMKEYED )
+      RETURN( dberr(S_COMKEY) );
+
+   /* Make sure we have a current member */
+   if ( ! *(cm_ptr = &curr_mem[set]) )
+      RETURN( dberr(S_NOCM) );
+
+   /* Read current member */
+   if ( dio_read( *cm_ptr, (char FAR * FAR *)&recp , PGHOLD) != S_OKAY )
+      RETURN( db_status );
+  
+   /* check out the field */
+   if ( (stat = r_chkfld(fld, fld_ptr, recp, data)) != S_OKAY ) {
+      dio_release(*cm_ptr);
+      RETURN( db_status = stat );
+   }
+   /* Put data into record */
+   if ( r_pfld(fld, fld_ptr, recp, data, cm_ptr) != S_OKAY )
+      RETURN( db_status );
+#ifndef	 NO_TIMESTAMP
+   /* check for timestamp */
+   if ( rec_ptr->rt_flags & TIMESTAMPED ) {
+      timestamp = dio_pzgetts(rec_ptr->rt_file);
+      bytecpy( recp + RECUPTIME, &timestamp, sizeof(LONG));
+   }
+#endif
+   dio_write(*cm_ptr, NULL, PGFREE);
+#ifndef	 NO_TIMESTAMP
+   if (( db_status == S_OKAY ) && ( rec_ptr->rt_flags & TIMESTAMPED ))
+      cm_time[set] = timestamp;
+#endif
+   RETURN( db_status );
+}
+/* vpp -nOS2 -dUNIX -nBSD -nVANILLA_BSD -nVMS -nMEMLOCK -nWINDOWS -nFAR_ALLOC -f/usr/users/master/config/nonwin csmwrite.c */