Commit 9ffaea71 9ffaea716ed9cc5d7745eb149f0b704e6f7e9405 by Sergey Poznyakoff

Added to the repository by gnulib-sync

1 parent 65b77008
1 #serial 5
2 dnl Copyright (C) 2004, 2005 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
6
7 AC_DEFUN([gl_INTTOSTR],
8 [
9 MU_LIBSOURCES([inttostr.c, inttostr.h, intprops.h])
10
11 dnl We don't technically need to list the following .c files, since their
12 dnl functions are named in the MU_LIBOBJ calls, but this is an unusual
13 dnl module and it seems a little clearer to do so.
14 MU_LIBSOURCES([imaxtostr.c, offtostr.c, umaxtostr.c])
15
16 MU_LIBOBJ([imaxtostr])
17 MU_LIBOBJ([offtostr])
18 MU_LIBOBJ([umaxtostr])
19
20 gl_PREREQ_INTTOSTR
21 gl_PREREQ_IMAXTOSTR
22 gl_PREREQ_OFFTOSTR
23 gl_PREREQ_UMAXTOSTR
24 ])
25
26 # Prerequisites of lib/inttostr.h.
27 AC_DEFUN([gl_PREREQ_INTTOSTR], [
28 AC_REQUIRE([gl_AC_TYPE_INTMAX_T])
29 AC_REQUIRE([gl_AC_TYPE_UINTMAX_T])
30 AC_REQUIRE([AC_TYPE_OFF_T])
31 :
32 ])
33
34 # Prerequisites of lib/imaxtostr.c.
35 AC_DEFUN([gl_PREREQ_IMAXTOSTR], [:])
36
37 # Prerequisites of lib/offtostr.c.
38 AC_DEFUN([gl_PREREQ_OFFTOSTR], [:])
39
40 # Prerequisites of lib/umaxtostr.c.
41 AC_DEFUN([gl_PREREQ_UMAXTOSTR], [:])
1 /* Full and short program names for argp module
2 Copyright (C) 2005 Free Software Foundation, Inc.
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
7 any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License along
15 with this program; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
17
18 #ifdef HAVE_CONFIG_H
19 # include <config.h>
20 #endif
21
22 #ifndef HAVE_PROGRAM_INVOCATION_SHORT_NAME
23 char *program_invocation_short_name = 0;
24 #endif
25 #ifndef HAVE_PROGRAM_INVOCATION_NAME
26 char *program_invocation_name = 0;
27 #endif
28
1 #define inttostr imaxtostr
2 #define inttype intmax_t
3 #include "inttostr.c"
1 /* intprops.h -- properties of integer types
2
3 Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
8 any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18
19 /* Written by Paul Eggert. */
20
21 #include <limits.h>
22
23 /* The extra casts in the following macros work around compiler bugs,
24 e.g., in Cray C 5.0.3.0. */
25
26 /* True if the arithmetic type T is an integer type. bool counts as
27 an integer. */
28 #define TYPE_IS_INTEGER(t) ((t) 1.5 == 1)
29
30 /* True if negative values of the signed integer type T use two's
31 complement, ones' complement, or signed magnitude representation,
32 respectively. Much GNU code assumes two's complement, but some
33 people like to be portable to all possible C hosts. */
34 #define TYPE_TWOS_COMPLEMENT(t) ((t) ~ (t) 0 == (t) -1)
35 #define TYPE_ONES_COMPLEMENT(t) ((t) ~ (t) 0 == 0)
36 #define TYPE_SIGNED_MAGNITUDE(t) ((t) ~ (t) 0 < (t) -1)
37
38 /* True if the arithmetic type T is signed. */
39 #define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
40
41 /* The maximum and minimum values for the integer type T. These
42 macros have undefined behavior if T is signed and has padding bits.
43 If this is a problem for you, please let us know how to fix it for
44 your host. */
45 #define TYPE_MINIMUM(t) \
46 ((t) (! TYPE_SIGNED (t) \
47 ? (t) 0 \
48 : TYPE_SIGNED_MAGNITUDE (t) \
49 ? ~ (t) 0 \
50 : ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1)))
51 #define TYPE_MAXIMUM(t) \
52 ((t) (! TYPE_SIGNED (t) \
53 ? (t) -1 \
54 : ~ (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))))
55
56 /* Return zero if T can be determined to be an unsigned type.
57 Otherwise, return 1.
58 When compiling with GCC, INT_STRLEN_BOUND uses this macro to obtain a
59 tighter bound. Otherwise, it overestimates the true bound by one byte
60 when applied to unsigned types of size 2, 4, 16, ... bytes.
61 The symbol signed_type_or_expr__ is private to this header file. */
62 #if __GNUC__ >= 2
63 # define signed_type_or_expr__(t) TYPE_SIGNED (__typeof__ (t))
64 #else
65 # define signed_type_or_expr__(t) 1
66 #endif
67
68 /* Bound on length of the string representing an integer type or expression T.
69 Subtract 1 for the sign bit if T is signed; log10 (2.0) < 146/485;
70 add 1 for integer division truncation; add 1 more for a minus sign
71 if needed. */
72 #define INT_STRLEN_BOUND(t) \
73 ((sizeof (t) * CHAR_BIT - signed_type_or_expr__ (t)) * 146 / 485 \
74 + signed_type_or_expr__ (t) + 1)
75
76 /* Bound on buffer size needed to represent an integer type or expression T,
77 including the terminating null. */
78 #define INT_BUFSIZE_BOUND(t) (INT_STRLEN_BOUND (t) + 1)
1 /* inttostr.c -- convert integers to printable strings
2
3 Copyright (C) 2001 Free Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
8 any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18
19 /* Written by Paul Eggert */
20
21 #ifdef HAVE_CONFIG_H
22 # include <config.h>
23 #endif
24 #include "inttostr.h"
25
26 /* Convert I to a printable string in BUF, which must be at least
27 INT_BUFSIZE_BOUND (INTTYPE) bytes long. Return the address of the
28 printable string, which need not start at BUF. */
29
30 char *
31 inttostr (inttype i, char *buf)
32 {
33 char *p = buf + INT_STRLEN_BOUND (inttype);
34 *p = 0;
35
36 if (i < 0)
37 {
38 do
39 *--p = '0' - i % 10;
40 while ((i /= 10) != 0);
41
42 *--p = '-';
43 }
44 else
45 {
46 do
47 *--p = '0' + i % 10;
48 while ((i /= 10) != 0);
49 }
50
51 return p;
52 }
1 /* inttostr.h -- convert integers to printable strings
2
3 Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
8 any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18
19 /* Written by Paul Eggert */
20
21 #if HAVE_INTTYPES_H
22 # include <inttypes.h>
23 #endif
24 #if HAVE_STDINT_H
25 # include <stdint.h>
26 #endif
27
28 #include <sys/types.h>
29
30 #include "intprops.h"
31
32 char *offtostr (off_t, char *);
33 char *imaxtostr (intmax_t, char *);
34 char *umaxtostr (uintmax_t, char *);
1 #define inttostr offtostr
2 #define inttype off_t
3 #include "inttostr.c"
1 #define inttostr umaxtostr
2 #define inttype uintmax_t
3 #include "inttostr.c"