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/* GCC Quad-Precision Math Library
Copyright (C) 2011 Free Software Foundation, Inc.
Written by Jakub Jelinek <jakub@redhat.com>
This file is part of the libquadmath library.
Libquadmath is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
Libquadmath 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with libquadmath; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
Boston, MA 02110-1301, USA. */
#include <stdlib.h>
#include <stdio.h>
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifdef HAVE_LANGINFO_H
#include <langinfo.h>
#endif
#ifdef HAVE_CTYPE_H
#include <ctype.h>
#endif
#ifdef HAVE_WCHAR_H
#include <wchar.h>
#endif
#ifdef HAVE_WCTYPE_H
#include <wctype.h>
#endif
#ifdef HAVE_PRINTF_HOOKS
#include <printf.h>
#endif
#ifdef HAVE_LOCALE_H
#include <locale.h>
#endif
#include "quadmath-imp.h"
#include "gmp-impl.h"
#ifdef HAVE_WCHAR_H
#define L_(x) L##x
#else
#define L_(x) x
#undef wchar_t
#undef wint_t
#undef putwc
#undef WEOF
#define wchar_t char
#define wint_t int
#define putwc(c,f) putc(c,f)
#define WEOF EOF
#endif
#ifndef HAVE_CTYPE_H
/* Won't work for EBCDIC. */
#undef isupper
#undef isdigit
#undef isxdigit
#undef tolower
#define isupper(x) \
({__typeof(x) __is_x = (x); __is_x >= 'A' && __is_x <= 'Z'; })
#define isdigit(x) \
({__typeof(x) __is_x = (x); __is_x >= '0' && __is_x <= '9'; })
#define isxdigit(x) \
({__typeof(x) __is_x = (x); \
(__is_x >= '0' && __is_x <= '9') \
|| ((x) >= 'A' && (x) <= 'F') \
|| ((x) >= 'a' && (x) <= 'f'); })
#define tolower(x) \
({__typeof(x) __is_x = (x); \
(__is_x >= 'A' && __is_x <= 'Z') ? __is_x - 'A' + 'a' : __is_x; })
#endif
#ifndef CHAR_MAX
#ifdef __CHAR_UNSIGNED__
#define CHAR_MAX (2 * __SCHAR_MAX__ + 1)
#else
#define CHAR_MAX __SCHAR_MAX__
#endif
#endif
#ifndef HAVE_PRINTF_HOOKS
#define printf_info __quadmath_printf_info
struct printf_info
{
int prec; /* Precision. */
int width; /* Width. */
wchar_t spec; /* Format letter. */
unsigned int is_long_double:1;/* L flag. */
unsigned int is_short:1; /* h flag. */
unsigned int is_long:1; /* l flag. */
unsigned int alt:1; /* # flag. */
unsigned int space:1; /* Space flag. */
unsigned int left:1; /* - flag. */
unsigned int showsign:1; /* + flag. */
unsigned int group:1; /* ' flag. */
unsigned int extra:1; /* For special use. */
unsigned int is_char:1; /* hh flag. */
unsigned int wide:1; /* Nonzero for wide character streams. */
unsigned int i18n:1; /* I flag. */
unsigned short int user; /* Bits for user-installed modifiers. */
wchar_t pad; /* Padding character. */
};
#endif
struct __quadmath_printf_file
{
FILE *fp;
char *str;
size_t size;
size_t len;
int file_p;
};
int
__quadmath_printf_fp (struct __quadmath_printf_file *fp,
const struct printf_info *info,
const void *const *args) attribute_hidden;
int
__quadmath_printf_fphex (struct __quadmath_printf_file *fp,
const struct printf_info *info,
const void *const *args) attribute_hidden;
size_t __quadmath_do_pad (struct __quadmath_printf_file *fp, int wide,
int c, size_t n) attribute_hidden;
static inline __attribute__((__unused__)) size_t
__quadmath_do_put (struct __quadmath_printf_file *fp, int wide,
const char *s, size_t n)
{
size_t len;
if (fp->file_p)
{
if (wide)
{
size_t cnt;
const wchar_t *ls = (const wchar_t *) s;
for (cnt = 0; cnt < n; cnt++)
if (putwc (ls[cnt], fp->fp) == WEOF)
break;
return cnt;
}
return fwrite (s, 1, n, fp->fp);
}
len = MIN (fp->size, n);
memcpy (fp->str, s, len);
fp->str += len;
fp->size -= len;
fp->len += n;
return n;
}
static inline __attribute__((__unused__)) int
__quadmath_do_putc (struct __quadmath_printf_file *fp, int wide,
wchar_t c)
{
if (fp->file_p)
return wide ? (int) putwc (c, fp->fp) : putc (c, fp->fp);
if (fp->size)
{
*(fp->str++) = c;
fp->size--;
}
fp->len++;
return (unsigned char) c;
}
#define PUT(f, s, n) __quadmath_do_put (f, wide, s, n)
#define PAD(f, c, n) __quadmath_do_pad (f, wide, c, n)
#define PUTC(c, f) __quadmath_do_putc (f, wide, c)
#define nl_langinfo_wc(x) \
({ union { const char *mb; wchar_t wc; } u; u.mb = nl_langinfo (x); u.wc; })
#undef _itoa
#define _itoa __quadmath_itoa
#undef NAN
#define NAN __builtin_nanf ("")
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