1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- S Y S T E M . C R T L --
-- --
-- S p e c --
-- --
-- Copyright (C) 2003-2006, 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 2, 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. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
-- Boston, MA 02110-1301, 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. --
-- --
-- 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 Run Time Library
-- on non-VMS systems.
with System.Parameters;
package System.CRTL is
pragma Preelaborate;
subtype chars is System.Address;
-- Pointer to null-terminated array of characters
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;
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) 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)
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 read (fd : int; buffer : chars; nbytes : int) return int;
pragma Import (C, read, "read");
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");
procedure rmdir (dir_name : String);
pragma Import (C, rmdir, "rmdir");
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, "unlink");
function write (fd : int; buffer : chars; nbytes : int) return int;
pragma Import (C, write, "write");
end System.CRTL;
|
