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

cde/lib/tt/mini_isam/isdelrec.c

@@ -0,0 +1,75 @@
+/*%%  (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: isdelrec.c /main/3 1995/10/23 11:37:39 rswiston $ 			 				 */
+#ifndef lint
+static char sccsid[] = "@(#)isdelrec.c 1.8 89/07/17 Copyr 1988 Sun Micro";
+#endif
+/*
+ * Copyright (c) 1988 by Sun Microsystems, Inc.
+ */
+
+/*
+ * isdelrec.c
+ *
+ * Description:
+ *	Delete a record in ISAM file. 
+ */
+
+
+#include "isam_impl.h"
+#include <sys/time.h>
+
+/*
+ * err =  isdelrec(isfd, recnum)
+ *
+ * Isdelete() deletes a record from ISAM file. The record is identified 
+ * by its record number. All indexes of the ISAM file are updated.
+ *
+ * Current record position is not changed.
+ * isrecnum is set to recnum.
+ *
+ *
+ * Returns 0 if successful, or -1 of any error.
+ *
+ * Errors:
+ *	ELOCKED The file has been locked by another process.
+ *	ENOTOPEN isfd does not correspond to an open ISAM file, or the
+ *		ISAM file was not opened with ISINOUT mode.
+ *	ENOREC	Record with record number recnum does not exist.
+ */
+
+int 
+isdelrec(isfd, recnum)
+    int			isfd;
+    long		recnum;
+{
+    int			_amdelrec();
+    register Fab	*fab;
+    int			ret;
+
+    /*
+     * Get File Access Block.
+     */
+    if ((fab = _isfd_find(isfd)) == NULL) {
+	_setiserrno2(ENOTOPEN, '9', '0');
+	return (ISERROR);
+    }
+
+    /*
+     * Check that the open mode was ISINOUT.
+     */
+    if (fab->openmode != OM_INOUT) {
+	_setiserrno2(ENOTOPEN, '9', '0');
+	return (ISERROR);
+    }
+
+    if ((ret = _amdelrec(&fab->isfhandle, recnum, &fab->errcode)) == ISOK) {
+	isrecnum = recnum;		     /* Set isrecnum */
+    }
+
+    _seterr_errcode(&fab->errcode);
+
+    return (ret);			     /* Successful write */
+}