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
|
//
// aegis - project change supervisor
// Copyright (C) 1994, 1995, 1999, 2002-2006, 2008 Peter Miller
//
// This program 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 3 of the License, or
// (at your option) any later version.
//
// This program 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 this program. If not, see
// <http://www.gnu.org/licenses/>.
//
#include <common/ac/stdio.h>
#include <common/ac/stddef.h>
#include <common/ac/stdlib.h>
#include <common/ac/limits.h>
#include <common/arglex.h>
#include <common/error.h>
struct table_ty
{
const char *name;
int num_bits;
int is_signed;
};
static table_ty table[] =
{
{ "unsigned long", sizeof(unsigned long) * CHAR_BIT, 0, },
{ "long\t", sizeof(long) * CHAR_BIT, 1, },
{ "unsigned int", sizeof(unsigned int) * CHAR_BIT, 0, },
{ "int\t", sizeof(int) * CHAR_BIT, 1, },
{ "unsigned short", sizeof(unsigned short) * CHAR_BIT, 0, },
{ "short\t", sizeof(short) * CHAR_BIT, 1, },
};
static void
find(int num_bits, int is_signed)
{
table_ty *tp;
for (tp = table; tp < ENDOF(table); ++tp)
{
if (tp->num_bits == num_bits && tp->is_signed == is_signed)
{
printf
(
"typedef\t%s\t%sint%d;\n",
tp->name,
(is_signed ? "" : "u"),
num_bits
);
return;
}
}
error_raw
(
"unable to find a%ssigned %d bit integer type",
(is_signed ? "" : "n un"),
num_bits
);
}
int
main(int argc, char **argv)
{
arglex_init(argc, argv, (arglex_table_ty *)0);
printf("#ifndef COMMON_FIND_SIZES_H\n");
printf("#define COMMON_FIND_SIZES_H\n");
printf("\n");
find(32, 1);
find(32, 0);
find(16, 1);
find(16, 0);
printf("\n");
printf("#endif /* COMMON_FIND_SIZES_H */\n");
exit(0);
return 0;
}
|
