1 /* 2 * Copyright (C) 2000,2001,2003,2004 Manuel Novoa III <mjn3@codepoet.org> 3 * 4 * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. 5 * 6 * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details. 7 */ 8 9 #ifndef _FPMAXTOSTR_H 10 #define _FPMAXTOSTR_H 1 11 12 #include <features.h> 13 #define __need_size_t 14 #include <stddef.h> 15 #include <stdint.h> 16 #include <stdio.h> 17 #include <printf.h> 18 #include <sys/types.h> 19 20 #ifdef __UCLIBC_HAS_FLOATS__ 21 # include <float.h> 22 # include <bits/uClibc_fpmax.h> 23 24 /* WARNING: Adjust _fp_out_wide() in _vfprintf.c if this changes! */ 25 /* With 32 bit ints, we can get 9 decimal digits per block. */ 26 # define DIGITS_PER_BLOCK 9 27 28 # define NUM_DIGIT_BLOCKS ((DECIMAL_DIG+DIGITS_PER_BLOCK-1)/DIGITS_PER_BLOCK) 29 30 /* WARNING: Adjust _fp_out_wide() in _vfprintf.c if this changes! */ 31 /* extra space for '-', '.', 'e+###', and nul */ 32 # define BUF_SIZE ( 3 + NUM_DIGIT_BLOCKS * DIGITS_PER_BLOCK ) 33 34 /* psm: why do these internals differ? */ 35 # ifdef __USE_OLD_VFPRINTF__ 36 typedef void (__fp_outfunc_t)(FILE *fp, intptr_t type, intptr_t len, intptr_t buf); 37 38 extern size_t _fpmaxtostr(FILE * fp, __fpmax_t x, struct printf_info *info, 39 __fp_outfunc_t fp_outfunc) attribute_hidden; 40 # else 41 typedef size_t (__fp_outfunc_t)(FILE *fp, intptr_t type, intptr_t len, intptr_t buf); 42 43 extern ssize_t _fpmaxtostr(FILE * fp, __fpmax_t x, struct printf_info *info, 44 __fp_outfunc_t fp_outfunc) attribute_hidden; 45 # endif 46 47 # endif /* __UCLIBC_HAS_FLOATS__ */ 48 #endif /* _FPMAXTOSTR_H */ 49