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-rw-r--r--gcc/ch/runtime/settextindex.c38
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+/* Implement Input/Output runtime actions for CHILL.
+ Copyright (C) 1992,1993 Free Software Foundation, Inc.
+ Author: Wilfried Moser, et al
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING. If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "fileio.h"
+
+void
+__settextindex( Text_Mode* the_text,
+ signed long the_text_index,
+ char* file,
+ int line )
+{
+ if( !the_text )
+ CHILLEXCEPTION( file, line, EMPTY, NULL_TEXT );
+
+ if( the_text_index < 0
+ || the_text->access_sub->reclength - 2 < the_text_index )
+ CHILLEXCEPTION( file, line, TEXTFAIL, BAD_TEXTINDEX );
+
+ the_text->actual_index = the_text_index;
+}
+