1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- S Y S T E M . C R T L --
9 -- Copyright (C) 2003-2005 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, 59 Temple Place - Suite 330, Boston, --
20 -- MA 02111-1307, 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 non-VMS systems.
37 with System
.Parameters
;
38 package System
.CRTL
is
39 pragma Preelaborate
(CRTL
);
41 subtype chars
is System
.Address
;
42 -- Pointer to null-terminated array of characters
44 subtype DIRs
is System
.Address
;
45 -- Corresponds to the C type DIR*
47 subtype FILEs
is System
.Address
;
48 -- Corresponds to the C type FILE*
50 subtype int
is Integer;
52 type long
is range -(2 ** (System
.Parameters
.long_bits
- 1))
53 .. +(2 ** (System
.Parameters
.long_bits
- 1)) - 1;
55 subtype off_t
is Long_Integer;
57 type size_t
is mod 2 ** Standard
'Address_Size;
59 function atoi
(A
: System
.Address
) return Integer;
60 pragma Import
(C
, atoi
, "atoi");
62 procedure clearerr
(stream
: FILEs
);
63 pragma Import
(C
, clearerr
, "clearerr");
65 function closedir
(directory
: DIRs
) return Integer;
66 pragma Import
(C
, closedir
, "closedir");
68 function dup
(handle
: int
) return int
;
69 pragma Import
(C
, dup
, "dup");
71 function dup2
(from
, to
: int
) return int
;
72 pragma Import
(C
, dup2
, "dup2");
74 function fclose
(stream
: FILEs
) return int
;
75 pragma Import
(C
, fclose
, "fclose");
77 function fdopen
(handle
: int
; mode
: chars
) return FILEs
;
78 pragma Import
(C
, fdopen
, "fdopen");
80 function fflush
(stream
: FILEs
) return int
;
81 pragma Import
(C
, fflush
, "fflush");
83 function fgetc
(stream
: FILEs
) return int
;
84 pragma Import
(C
, fgetc
, "fgetc");
86 function fgets
(strng
: chars
; n
: int
; stream
: FILEs
) return chars
;
87 pragma Import
(C
, fgets
, "fgets");
89 function fopen
(filename
: chars
; Mode
: chars
) return FILEs
;
90 pragma Import
(C
, fopen
, "fopen");
92 function fputc
(C
: int
; stream
: FILEs
) return int
;
93 pragma Import
(C
, fputc
, "fputc");
95 function fputs
(Strng
: chars
; Stream
: FILEs
) return int
;
96 pragma Import
(C
, fputs
, "fputs");
98 procedure free
(Ptr
: System
.Address
);
99 pragma Import
(C
, free
, "free");
106 pragma Import
(C
, freopen
, "freopen");
113 pragma Import
(C
, fseek
, "fseek");
115 function ftell
(stream
: FILEs
) return long
;
116 pragma Import
(C
, ftell
, "ftell");
118 function getenv
(S
: String) return System
.Address
;
119 pragma Import
(C
, getenv
, "getenv");
121 function isatty
(handle
: int
) return int
;
122 pragma Import
(C
, isatty
, "isatty");
124 function lseek
(fd
: int
; offset
: off_t
; direction
: int
) return off_t
;
125 pragma Import
(C
, lseek
, "lseek");
127 function malloc
(Size
: size_t
) return System
.Address
;
128 pragma Import
(C
, malloc
, "malloc");
130 procedure memcpy
(S1
: System
.Address
; S2
: System
.Address
; N
: size_t
);
131 pragma Import
(C
, memcpy
, "memcpy");
133 procedure memmove
(S1
: System
.Address
; S2
: System
.Address
; N
: size_t
);
134 pragma Import
(C
, memmove
, "memmove");
136 procedure mktemp
(template
: chars
);
137 pragma Import
(C
, mktemp
, "mktemp");
139 function opendir
(file_name
: String) return DIRs
;
140 pragma Import
(C
, opendir
, "opendir");
142 function read
(fd
: int
; buffer
: chars
; nbytes
: int
) return int
;
143 pragma Import
(C
, read
, "read");
146 (Ptr
: System
.Address
; Size
: size_t
) return System
.Address
;
147 pragma Import
(C
, realloc
, "realloc");
149 procedure rewind
(stream
: FILEs
);
150 pragma Import
(C
, rewind
, "rewind");
152 procedure rmdir
(dir_name
: String);
153 pragma Import
(C
, rmdir
, "rmdir");
161 pragma Import
(C
, setvbuf
, "setvbuf");
163 procedure tmpnam
(string : chars
);
164 pragma Import
(C
, tmpnam
, "tmpnam");
166 function tmpfile
return FILEs
;
167 pragma Import
(C
, tmpfile
, "tmpfile");
169 function ungetc
(c
: int
; stream
: FILEs
) return int
;
170 pragma Import
(C
, ungetc
, "ungetc");
172 function unlink
(filename
: chars
) return int
;
173 pragma Import
(C
, unlink
, "unlink");
175 function write
(fd
: int
; buffer
: chars
; nbytes
: int
) return int
;
176 pragma Import
(C
, write
, "write");