------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- S Y S T E M . C R T L -- -- -- -- S p e c -- -- -- -- Copyright (C) 2003-2009, Free Software Foundation, Inc. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 3, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- . -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- This package provides the low level interface to the C runtime library pragma Compiler_Unit; with System.Parameters; package System.CRTL is pragma Preelaborate; subtype chars is System.Address; -- Pointer to null-terminated array of characters -- Should use Interfaces.C.Strings types instead, but this causes bootstrap -- issues as i-c contains Ada 2005 specific features, not compatible with -- older, Ada 95-only base compilers??? subtype DIRs is System.Address; -- Corresponds to the C type DIR* subtype FILEs is System.Address; -- Corresponds to the C type FILE* subtype int is Integer; type long is range -(2 ** (System.Parameters.long_bits - 1)) .. +(2 ** (System.Parameters.long_bits - 1)) - 1; subtype off_t is Long_Integer; type size_t is mod 2 ** Standard'Address_Size; type ssize_t is range -(2 ** (Standard'Address_Size - 1)) .. +(2 ** (Standard'Address_Size - 1)) - 1; type Filename_Encoding is (UTF8, ASCII_8bits, Unspecified); for Filename_Encoding use (UTF8 => 0, ASCII_8bits => 1, Unspecified => 2); pragma Convention (C, Filename_Encoding); -- Describes the filename's encoding function atoi (A : System.Address) return Integer; pragma Import (C, atoi, "atoi"); procedure clearerr (stream : FILEs); pragma Import (C, clearerr, "clearerr"); function dup (handle : int) return int; pragma Import (C, dup, "dup"); function dup2 (from, to : int) return int; pragma Import (C, dup2, "dup2"); function fclose (stream : FILEs) return int; pragma Import (C, fclose, "fclose"); function fdopen (handle : int; mode : chars) return FILEs; pragma Import (C, fdopen, "fdopen"); function fflush (stream : FILEs) return int; pragma Import (C, fflush, "fflush"); function fgetc (stream : FILEs) return int; pragma Import (C, fgetc, "fgetc"); function fgets (strng : chars; n : int; stream : FILEs) return chars; pragma Import (C, fgets, "fgets"); function fopen (filename : chars; mode : chars; encoding : Filename_Encoding := Unspecified) return FILEs; pragma Import (C, fopen, "__gnat_fopen"); function fputc (C : int; stream : FILEs) return int; pragma Import (C, fputc, "fputc"); function fputs (Strng : chars; Stream : FILEs) return int; pragma Import (C, fputs, "fputs"); procedure free (Ptr : System.Address); pragma Import (C, free, "free"); function freopen (filename : chars; mode : chars; stream : FILEs; encoding : Filename_Encoding := Unspecified) return FILEs; pragma Import (C, freopen, "__gnat_freopen"); function fseek (stream : FILEs; offset : long; origin : int) return int; pragma Import (C, fseek, "fseek"); function ftell (stream : FILEs) return long; pragma Import (C, ftell, "ftell"); function getenv (S : String) return System.Address; pragma Import (C, getenv, "getenv"); function isatty (handle : int) return int; pragma Import (C, isatty, "isatty"); function lseek (fd : int; offset : off_t; direction : int) return off_t; pragma Import (C, lseek, "lseek"); function malloc (Size : size_t) return System.Address; pragma Import (C, malloc, "malloc"); procedure memcpy (S1 : System.Address; S2 : System.Address; N : size_t); pragma Import (C, memcpy, "memcpy"); procedure memmove (S1 : System.Address; S2 : System.Address; N : size_t); pragma Import (C, memmove, "memmove"); procedure mktemp (template : chars); pragma Import (C, mktemp, "mktemp"); function pclose (stream : System.Address) return int; pragma Import (C, pclose, "pclose"); function popen (command, mode : System.Address) return System.Address; pragma Import (C, popen, "popen"); function realloc (Ptr : System.Address; Size : size_t) return System.Address; pragma Import (C, realloc, "realloc"); procedure rewind (stream : FILEs); pragma Import (C, rewind, "rewind"); function rmdir (dir_name : String) return int; pragma Import (C, rmdir, "__gnat_rmdir"); function chdir (dir_name : String) return int; pragma Import (C, chdir, "__gnat_chdir"); function setvbuf (stream : FILEs; buffer : chars; mode : int; size : size_t) return int; pragma Import (C, setvbuf, "setvbuf"); procedure tmpnam (string : chars); pragma Import (C, tmpnam, "tmpnam"); function tmpfile return FILEs; pragma Import (C, tmpfile, "tmpfile"); function ungetc (c : int; stream : FILEs) return int; pragma Import (C, ungetc, "ungetc"); function unlink (filename : chars) return int; pragma Import (C, unlink, "__gnat_unlink"); function open (filename : chars; oflag : int) return int; pragma Import (C, open, "open"); function close (fd : int) return int; pragma Import (C, close, "close"); function read (fd : int; buffer : chars; count : size_t) return ssize_t; pragma Import (C, read, "read"); function write (fd : int; buffer : chars; count : size_t) return ssize_t; pragma Import (C, write, "write"); end System.CRTL;