usr/src/lib/libc/port/print/print.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22
  23 /*      Copyright (c) 1988 AT&T */
  24 /*        All Rights Reserved   */
  25
  26 /*
  27  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  28  * Use is subject to license terms.
  29  */
  30
  31 #ifndef _PRINT_H
  32 #define _PRINT_H
  33
  34 #include "file64.h"
  35 #include <floatingpoint.h>
  36 #include <thread.h>
  37 #include <synch.h>
  38 #include <stdio.h>
  39 #include "stdiom.h"
  40
  41 #ifdef  __cplusplus
  42 extern "C" {
  43 #endif
  44
  45 extern ssize_t
  46 _doprnt(const char *format, va_list in_args, FILE *iop);
  47
  48 extern ssize_t
  49 _ndoprnt(const char *format, va_list in_args, FILE *iop, int flag);
  50
  51 extern ssize_t
  52 _wndoprnt(const wchar_t *format, va_list in_args, FILE *iop, int flag);
  53
  54 extern void
  55 __aconvert(double arg, int ndigits, int *exp, int *sign, char *buf);
  56
  57 extern void
  58 __qaconvert(long double *arg, int ndigits, int *exp, int *sign, char *buf);
  59
  60 /* Maximum number of digits in any integer representation */
  61 #define MAXDIGS 11
  62
  63 /* Maximum number of digits in any long long representation */
  64 #define MAXLLDIGS 22
  65
  66 /* Maximum total number of digits in E format */
  67 #define MAXECVT (DECIMAL_STRING_LENGTH-1)
  68
  69 /* Maximum number of digits after decimal point in F format */
  70 #define MAXFCVT (DECIMAL_STRING_LENGTH-1)
  71
  72 /* Maximum significant figures in a floating-point number       */
  73 /* DECIMAL_STRING_LENGTH in floatingpoint.h is max buffer size  */
  74 #define MAXFSIG (DECIMAL_STRING_LENGTH-1)
  75
  76 /* Maximum number of characters in an exponent */
  77 #define MAXESIZ 7               /* Max for quadruple precision */
  78
  79 /* Maximum (positive) exponent */
  80 #define MAXEXP 4950             /* Max for quadruple precision */
  81
  82 /* Number of hex digits in a fp type when normalized with a leading 1 */
  83 #define HEXFP_SINGLE_DIG        7
  84 #define HEXFP_DOUBLE_DIG        14
  85 #define HEXFP_EXTENDED_DIG      17
  86 #define HEXFP_QUAD_DIG          29
  87
  88 /* Data type for flags */
  89 typedef char bool;
  90
  91 /* Convert a digit character to the corresponding number */
  92 #define tonumber(x) ((x)-'0')
  93
  94 /* Convert a number between 0 and 9 to the corresponding digit */
  95 #define todigit(x) ((x)+'0')
  96
  97 /* Max and Min macros */
  98 #define max(a, b) ((a) > (b)? (a): (b))
  99 #define min(a, b) ((a) < (b)? (a): (b))
 100
 101 /* Max neg. long long */
 102 #define HIBITLL (1ULL << 63)
 103
 104 #ifdef  __cplusplus
 105 }
 106 #endif
 107
 108 #endif  /* _PRINT_H */