1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- S Y S T E M . C R T L --
9 -- Copyright (C) 2004-2006, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 2, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
22 -- As a special exception, if other files instantiate generics from this --
23 -- unit, or you link this unit with other files to produce an executable, --
24 -- this unit does not by itself cause the resulting executable to be --
25 -- covered by the GNU General Public License. This exception does not --
26 -- however invalidate any other reasons why the executable file might be --
27 -- covered by the GNU Public License. --
29 -- GNAT was originally developed by the GNAT team at New York University. --
30 -- Extensive contributions were provided by Ada Core Technologies Inc. --
32 ------------------------------------------------------------------------------
34 -- This package provides the low level interface to the C Run Time Library
35 -- on 64 bit VMS. Note that routines that allocate memory remain 32bit.
37 with System
.Parameters
;
39 package System
.CRTL
is
42 subtype chars
is System
.Address
;
43 -- Pointer to null-terminated array of characters
45 subtype DIRs
is System
.Address
;
46 -- Corresponds to the C type DIR*
48 subtype FILEs
is System
.Address
;
49 -- Corresponds to the C type FILE*
51 subtype int
is Integer;
53 type long
is range -(2 ** (System
.Parameters
.long_bits
- 1))
54 .. +(2 ** (System
.Parameters
.long_bits
- 1)) - 1;
56 subtype off_t
is Integer;
58 type size_t
is mod 2 ** Standard
'Address_Size;
60 type Filename_Encoding
is (UTF8
, ASCII_8bits
);
61 for Filename_Encoding
use (UTF8
=> 0, ASCII_8bits
=> 1);
62 pragma Convention
(C
, Filename_Encoding
);
63 -- Describes the filename's encoding
65 function atoi
(A
: System
.Address
) return Integer;
66 pragma Import
(C
, atoi
, "decc$atoi");
68 procedure clearerr
(stream
: FILEs
);
69 pragma Import
(C
, clearerr
, "decc$clearerr");
71 function dup
(handle
: int
) return int
;
72 pragma Import
(C
, dup
, "decc$dup");
74 function dup2
(from
, to
: int
) return int
;
75 pragma Import
(C
, dup2
, "decc$dup2");
77 function fclose
(stream
: FILEs
) return int
;
78 pragma Import
(C
, fclose
, "decc$fclose");
80 function fdopen
(handle
: int
; mode
: chars
) return FILEs
;
81 pragma Import
(C
, fdopen
, "decc$fdopen");
83 function fflush
(stream
: FILEs
) return int
;
84 pragma Import
(C
, fflush
, "decc$fflush");
86 function fgetc
(stream
: FILEs
) return int
;
87 pragma Import
(C
, fgetc
, "decc$fgetc");
89 function fgets
(strng
: chars
; n
: int
; stream
: FILEs
) return chars
;
90 pragma Import
(C
, fgets
, "decc$_fgets64");
95 encoding
: Filename_Encoding
:= UTF8
) return FILEs
;
96 pragma Import
(C
, fopen
, "__gnat_fopen");
98 function fputc
(C
: int
; stream
: FILEs
) return int
;
99 pragma Import
(C
, fputc
, "decc$fputc");
101 function fputs
(Strng
: chars
; Stream
: FILEs
) return int
;
102 pragma Import
(C
, fputs
, "decc$fputs");
104 procedure free
(Ptr
: System
.Address
);
105 pragma Import
(C
, free
, "decc$free");
111 encoding
: Filename_Encoding
:= UTF8
)
113 pragma Import
(C
, freopen
, "__gnat_freopen");
120 pragma Import
(C
, fseek
, "decc$fseek");
122 function ftell
(stream
: FILEs
) return long
;
123 pragma Import
(C
, ftell
, "decc$ftell");
125 function getenv
(S
: String) return System
.Address
;
126 pragma Import
(C
, getenv
, "decc$getenv");
128 function isatty
(handle
: int
) return int
;
129 pragma Import
(C
, isatty
, "decc$isatty");
131 function lseek
(fd
: int
; offset
: off_t
; direction
: int
) return off_t
;
132 pragma Import
(C
, lseek
, "decc$lseek");
134 function malloc
(Size
: size_t
) return System
.Address
;
135 pragma Import
(C
, malloc
, "decc$malloc");
137 procedure memcpy
(S1
: System
.Address
; S2
: System
.Address
; N
: size_t
);
138 pragma Import
(C
, memcpy
, "decc$_memcpy64");
140 procedure memmove
(S1
: System
.Address
; S2
: System
.Address
; N
: size_t
);
141 pragma Import
(C
, memmove
, "decc$_memmove64");
143 procedure mktemp
(template
: chars
);
144 pragma Import
(C
, mktemp
, "decc$_mktemp64");
146 function pclose
(stream
: System
.Address
) return int
;
147 pragma Import
(C
, pclose
, "decc$pclose");
149 function popen
(command
, mode
: System
.Address
) return System
.Address
;
150 pragma Import
(C
, popen
, "decc$popen");
152 function read
(fd
: int
; buffer
: chars
; nbytes
: int
) return int
;
153 pragma Import
(C
, read
, "decc$read");
156 (Ptr
: System
.Address
; Size
: size_t
) return System
.Address
;
157 pragma Import
(C
, realloc
, "decc$realloc");
159 procedure rewind
(stream
: FILEs
);
160 pragma Import
(C
, rewind
, "decc$rewind");
162 procedure rmdir
(dir_name
: String);
163 pragma Import
(C
, rmdir
, "decc$rmdir");
171 pragma Import
(C
, setvbuf
, "decc$setvbuf");
173 procedure tmpnam
(string : chars
);
174 pragma Import
(C
, tmpnam
, "decc$_tmpnam64");
176 function tmpfile
return FILEs
;
177 pragma Import
(C
, tmpfile
, "decc$tmpfile");
179 function ungetc
(c
: int
; stream
: FILEs
) return int
;
180 pragma Import
(C
, ungetc
, "decc$ungetc");
182 function unlink
(filename
: chars
) return int
;
183 pragma Import
(C
, unlink
, "decc$unlink");
185 function write
(fd
: int
; buffer
: chars
; nbytes
: int
) return int
;
186 pragma Import
(C
, write
, "decc$write");