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--- GHDL Run Time (GRT) - stdio binding.
--- Copyright (C) 2002 - 2014 Tristan Gingold
---
--- GHDL 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.
---
--- GHDL 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 GCC; see the file COPYING. If not, write to the Free
--- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
--- 02111-1307, USA.
---
--- As a special exception, if other files instantiate generics from this
--- unit, or you link this unit with other files to produce an executable,
--- this unit does not by itself cause the resulting executable to be
--- covered by the GNU General Public License. This exception does not
--- however invalidate any other reasons why the executable file might be
--- covered by the GNU Public License.
-with System;
-with Grt.C; use Grt.C;
-
--- This package provides a thin binding to the stdio.h of the C library.
--- It mimics GNAT package Interfaces.C_Streams.
--- The purpose of this package is to remove dependencies on the GNAT run time.
-
-package Grt.Stdio is
- pragma Preelaborate (Grt.Stdio);
-
- -- Type FILE *.
- type FILEs is new System.Address;
-
- -- NULL for a stream.
- NULL_Stream : constant FILEs;
-
- -- Predefined streams.
- function stdout return FILEs;
- function stderr return FILEs;
- function stdin return FILEs;
-
- -- The following subprograms are translation of the C prototypes.
-
- function fopen (path: chars; mode : chars) return FILEs;
-
- function fwrite (buffer : voids;
- size : size_t;
- count : size_t;
- stream : FILEs)
- return size_t;
-
- function fread (buffer : voids;
- size : size_t;
- count : size_t;
- stream : FILEs)
- return size_t;
-
- function fputc (c : int; stream : FILEs) return int;
- procedure fputc (c : int; stream : FILEs);
-
- function fputs (s : chars; stream : FILEs) return int;
-
- function fgetc (stream : FILEs) return int;
- function fgets (s : chars; size : int; stream : FILEs) return chars;
- function ungetc (c : int; stream : FILEs) return int;
-
- function fflush (stream : FILEs) return int;
- procedure fflush (stream : FILEs);
-
- function feof (stream : FILEs) return int;
-
- function ftell (stream : FILEs) return long;
-
- function fclose (stream : FILEs) return int;
- procedure fclose (Stream : FILEs);
-private
- -- This is a little bit dubious, but this package should be preelaborated,
- -- and Null_Address is not static (since defined in the private part
- -- of System).
- -- I am pretty sure the C definition of NULL is 0.
- NULL_Stream : constant FILEs := FILEs (System'To_Address (0));
-
- pragma Import (C, fopen);
-
- pragma Import (C, fwrite);
- pragma Import (C, fread);
-
- pragma Import (C, fputs);
- pragma Import (C, fputc);
-
- pragma Import (C, fgetc);
- pragma Import (C, fgets);
- pragma Import (C, ungetc);
-
- pragma Import (C, fflush);
- pragma Import (C, feof);
- pragma Import (C, ftell);
- pragma Import (C, fclose);
-
- pragma Import (C, stdout, "__ghdl_get_stdout");
- pragma Import (C, stderr, "__ghdl_get_stderr");
- pragma Import (C, stdin, "__ghdl_get_stdin");
-end Grt.Stdio;