/*
|
/*
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FUNCTION
|
FUNCTION
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<<vprintf>>, <<vfprintf>>, <<vsprintf>>---format argument list
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<<vprintf>>, <<vfprintf>>, <<vsprintf>>---format argument list
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|
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INDEX
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INDEX
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vprintf
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vprintf
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INDEX
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INDEX
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vfprintf
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vfprintf
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INDEX
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INDEX
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vsprintf
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vsprintf
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INDEX
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INDEX
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vsnprintf
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vsnprintf
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|
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ANSI_SYNOPSIS
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ANSI_SYNOPSIS
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#include <stdio.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdarg.h>
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int vprintf(const char *<[fmt]>, va_list <[list]>);
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int vprintf(const char *<[fmt]>, va_list <[list]>);
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int vfprintf(FILE *<[fp]>, const char *<[fmt]>, va_list <[list]>);
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int vfprintf(FILE *<[fp]>, const char *<[fmt]>, va_list <[list]>);
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int vsprintf(char *<[str]>, const char *<[fmt]>, va_list <[list]>);
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int vsprintf(char *<[str]>, const char *<[fmt]>, va_list <[list]>);
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int vsnprintf(char *<[str]>, size_t <[size]>, const char *<[fmt]>, va_list <[list]>);
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int vsnprintf(char *<[str]>, size_t <[size]>, const char *<[fmt]>, va_list <[list]>);
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|
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int _vprintf_r(void *<[reent]>, const char *<[fmt]>,
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int _vprintf_r(void *<[reent]>, const char *<[fmt]>,
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va_list <[list]>);
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va_list <[list]>);
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int _vfprintf_r(void *<[reent]>, FILE *<[fp]>, const char *<[fmt]>,
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int _vfprintf_r(void *<[reent]>, FILE *<[fp]>, const char *<[fmt]>,
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va_list <[list]>);
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va_list <[list]>);
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int _vsprintf_r(void *<[reent]>, char *<[str]>, const char *<[fmt]>,
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int _vsprintf_r(void *<[reent]>, char *<[str]>, const char *<[fmt]>,
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va_list <[list]>);
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va_list <[list]>);
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int _vsnprintf_r(void *<[reent]>, char *<[str]>, size_t <[size]>, const char *<[fmt]>,
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int _vsnprintf_r(void *<[reent]>, char *<[str]>, size_t <[size]>, const char *<[fmt]>,
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va_list <[list]>);
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va_list <[list]>);
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TRAD_SYNOPSIS
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TRAD_SYNOPSIS
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#include <stdio.h>
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#include <stdio.h>
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#include <varargs.h>
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#include <varargs.h>
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int vprintf( <[fmt]>, <[list]>)
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int vprintf( <[fmt]>, <[list]>)
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char *<[fmt]>;
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char *<[fmt]>;
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va_list <[list]>;
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va_list <[list]>;
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|
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int vfprintf(<[fp]>, <[fmt]>, <[list]>)
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int vfprintf(<[fp]>, <[fmt]>, <[list]>)
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FILE *<[fp]>;
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FILE *<[fp]>;
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char *<[fmt]>;
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char *<[fmt]>;
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va_list <[list]>;
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va_list <[list]>;
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|
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int vsprintf(<[str]>, <[fmt]>, <[list]>)
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int vsprintf(<[str]>, <[fmt]>, <[list]>)
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char *<[str]>;
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char *<[str]>;
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char *<[fmt]>;
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char *<[fmt]>;
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va_list <[list]>;
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va_list <[list]>;
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|
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int vsnprintf(<[str]>, <[size]>, <[fmt]>, <[list]>)
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int vsnprintf(<[str]>, <[size]>, <[fmt]>, <[list]>)
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char *<[str]>;
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char *<[str]>;
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size_t <[size]>;
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size_t <[size]>;
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char *<[fmt]>;
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char *<[fmt]>;
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va_list <[list]>;
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va_list <[list]>;
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|
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int _vprintf_r(<[reent]>, <[fmt]>, <[list]>)
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int _vprintf_r(<[reent]>, <[fmt]>, <[list]>)
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char *<[reent]>;
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char *<[reent]>;
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char *<[fmt]>;
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char *<[fmt]>;
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va_list <[list]>;
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va_list <[list]>;
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|
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int _vfprintf_r(<[reent]>, <[fp]>, <[fmt]>, <[list]>)
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int _vfprintf_r(<[reent]>, <[fp]>, <[fmt]>, <[list]>)
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char *<[reent]>;
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char *<[reent]>;
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FILE *<[fp]>;
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FILE *<[fp]>;
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char *<[fmt]>;
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char *<[fmt]>;
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va_list <[list]>;
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va_list <[list]>;
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|
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int _vsprintf_r(<[reent]>, <[str]>, <[fmt]>, <[list]>)
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int _vsprintf_r(<[reent]>, <[str]>, <[fmt]>, <[list]>)
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char *<[reent]>;
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char *<[reent]>;
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char *<[str]>;
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char *<[str]>;
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char *<[fmt]>;
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char *<[fmt]>;
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va_list <[list]>;
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va_list <[list]>;
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|
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int _vsnprintf_r(<[reent]>, <[str]>, <[size]>, <[fmt]>, <[list]>)
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int _vsnprintf_r(<[reent]>, <[str]>, <[size]>, <[fmt]>, <[list]>)
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char *<[reent]>;
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char *<[reent]>;
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char *<[str]>;
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char *<[str]>;
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size_t <[size]>;
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size_t <[size]>;
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char *<[fmt]>;
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char *<[fmt]>;
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va_list <[list]>;
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va_list <[list]>;
|
|
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DESCRIPTION
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DESCRIPTION
|
<<vprintf>>, <<vfprintf>>, <<vsprintf>> and <<vsnprintf>> are (respectively)
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<<vprintf>>, <<vfprintf>>, <<vsprintf>> and <<vsnprintf>> are (respectively)
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variants of <<printf>>, <<fprintf>>, <<sprintf>> and <<snprintf>>. They differ
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variants of <<printf>>, <<fprintf>>, <<sprintf>> and <<snprintf>>. They differ
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only in allowing their caller to pass the variable argument list as a
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only in allowing their caller to pass the variable argument list as a
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<<va_list>> object (initialized by <<va_start>>) rather than directly
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<<va_list>> object (initialized by <<va_start>>) rather than directly
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accepting a variable number of arguments.
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accepting a variable number of arguments.
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RETURNS
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RETURNS
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The return values are consistent with the corresponding functions:
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The return values are consistent with the corresponding functions:
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<<vsprintf>> returns the number of bytes in the output string,
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<<vsprintf>> returns the number of bytes in the output string,
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save that the concluding <<NULL>> is not counted.
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save that the concluding <<NULL>> is not counted.
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<<vprintf>> and <<vfprintf>> return the number of characters transmitted.
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<<vprintf>> and <<vfprintf>> return the number of characters transmitted.
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If an error occurs, <<vprintf>> and <<vfprintf>> return <<EOF>>. No
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If an error occurs, <<vprintf>> and <<vfprintf>> return <<EOF>>. No
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error returns occur for <<vsprintf>>.
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error returns occur for <<vsprintf>>.
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|
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PORTABILITY
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PORTABILITY
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ANSI C requires all three functions.
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ANSI C requires all three functions.
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|
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Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>,
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Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>,
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<<lseek>>, <<read>>, <<sbrk>>, <<write>>.
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<<lseek>>, <<read>>, <<sbrk>>, <<write>>.
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*/
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*/
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|
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/*-
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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* All rights reserved.
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*
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*
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* This code is derived from software contributed to Berkeley by
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* This code is derived from software contributed to Berkeley by
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* Chris Torek.
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* Chris Torek.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* modification, are permitted provided that the following conditions
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* are met:
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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* without specific prior written permission.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* SUCH DAMAGE.
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*/
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*/
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|
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#define INTEGER_ONLY
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#define INTEGER_ONLY
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#define _HAVE_STDC_
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#define _HAVE_STDC_
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#define _NOLONGLONG
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#define _NOLONGLONG
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#define u_long unsigned long
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#define u_long unsigned long
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#define u_short unsigned short
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#define u_short unsigned short
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#define u_int unsigned int
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#define u_int unsigned int
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#define _uquad_t u_long
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#define _uquad_t u_long
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#define _POINTER_INT int
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#define _POINTER_INT int
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#define _CONST const
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#define _CONST const
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#define NULL 0
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#define NULL 0
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|
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#include "common.h"
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#include "common.h"
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#include "support.h"
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#include "support.h"
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|
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#if defined(LIBC_SCCS) && !defined(lint)
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#if defined(LIBC_SCCS) && !defined(lint)
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/*static char *sccsid = "from: @(#)vfprintf.c 5.50 (Berkeley) 12/16/92";*/
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/*static char *sccsid = "from: @(#)vfprintf.c 5.50 (Berkeley) 12/16/92";*/
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static char *rcsid = "$Id: cprintf.c,v 1.2 2002-04-19 11:08:25 markom Exp $";
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static char *rcsid = "$Id: cprintf.c,v 1.2 2002-04-19 11:08:25 markom Exp $";
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#endif /* LIBC_SCCS and not lint */
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#endif /* LIBC_SCCS and not lint */
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|
|
/*
|
/*
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* Actual printf innards.
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* Actual printf innards.
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*
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*
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* This code is large and complicated...
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* This code is large and complicated...
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*/
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*/
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|
|
#ifdef INTEGER_ONLY
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#ifdef INTEGER_ONLY
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#define VFPRINTF vfiprintf
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#define VFPRINTF vfiprintf
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#define _VFPRINTF_R _vfiprintf_r
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#define _VFPRINTF_R _vfiprintf_r
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#else
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#else
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#define VFPRINTF vfprintf
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#define VFPRINTF vfprintf
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#define _VFPRINTF_R _vfprintf_r
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#define _VFPRINTF_R _vfprintf_r
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#define FLOATING_POINT
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#define FLOATING_POINT
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#endif
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#endif
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|
|
#define _NO_LONGLONG
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#define _NO_LONGLONG
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#if defined WANT_PRINTF_LONG_LONG && defined __GNUC__
|
#if defined WANT_PRINTF_LONG_LONG && defined __GNUC__
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# undef _NO_LONGLONG
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# undef _NO_LONGLONG
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#endif
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#endif
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|
|
#include <stdarg.h>
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#include <stdarg.h>
|
|
|
#ifdef FLOATING_POINT
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#ifdef FLOATING_POINT
|
//#include <locale.h>
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//#include <locale.h>
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//#include <math.h>
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//#include <math.h>
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//#include "floatio.h"
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//#include "floatio.h"
|
|
|
#define BUF (MAXEXP+MAXFRACT+1) /* + decimal point */
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#define BUF (MAXEXP+MAXFRACT+1) /* + decimal point */
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#define DEFPREC 6
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#define DEFPREC 6
|
|
|
static char *cvt _PARAMS((struct _reent *, double, int, int, char *, int *, int, int *));
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static char *cvt
|
|
_PARAMS((struct _reent *, double, int, int, char *, int *, int, int *));
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static int exponent _PARAMS((char *, int, int));
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static int exponent _PARAMS((char *, int, int));
|
|
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#else /* no FLOATING_POINT */
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#else /* no FLOATING_POINT */
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|
|
#define BUF 40
|
#define BUF 40
|
|
|
#endif /* FLOATING_POINT */
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#endif /* FLOATING_POINT */
|
|
|
/*
|
/*
|
* Macros for converting digits to letters and vice versa
|
* Macros for converting digits to letters and vice versa
|
*/
|
*/
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#define to_digit(c) ((c) - '0')
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#define to_digit(c) ((c) - '0')
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#define is_digit(c) ((unsigned)to_digit(c) <= 9)
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#define is_digit(c) ((unsigned)to_digit(c) <= 9)
|
#define to_char(n) ((n) + '0')
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#define to_char(n) ((n) + '0')
|
|
|
/*
|
/*
|
* Flags used during conversion.
|
* Flags used during conversion.
|
*/
|
*/
|
#define ALT 0x001 /* alternate form */
|
#define ALT 0x001 /* alternate form */
|
#define HEXPREFIX 0x002 /* add 0x or 0X prefix */
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#define HEXPREFIX 0x002 /* add 0x or 0X prefix */
|
#define LADJUST 0x004 /* left adjustment */
|
#define LADJUST 0x004 /* left adjustment */
|
#define LONGDBL 0x008 /* long double; unimplemented */
|
#define LONGDBL 0x008 /* long double; unimplemented */
|
#define LONGINT 0x010 /* long integer */
|
#define LONGINT 0x010 /* long integer */
|
#define QUADINT 0x020 /* quad integer */
|
#define QUADINT 0x020 /* quad integer */
|
#define SHORTINT 0x040 /* short integer */
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#define SHORTINT 0x040 /* short integer */
|
#define ZEROPAD 0x080 /* zero (as opposed to blank) pad */
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#define ZEROPAD 0x080 /* zero (as opposed to blank) pad */
|
#define FPT 0x100 /* Floating point number */
|
#define FPT 0x100 /* Floating point number */
|
|
|
/*
|
/*
|
* Choose PADSIZE to trade efficiency vs. size. If larger printf
|
* Choose PADSIZE to trade efficiency vs. size. If larger printf
|
* fields occur frequently, increase PADSIZE and make the initialisers
|
* fields occur frequently, increase PADSIZE and make the initialisers
|
* below longer.
|
* below longer.
|
*/
|
*/
|
#define PADSIZE 16 /* pad chunk size */
|
#define PADSIZE 16 /* pad chunk size */
|
static _CONST char blanks[PADSIZE] =
|
static _CONST char blanks[PADSIZE] =
|
{' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' '};
|
{ ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
|
|
' ' };
|
static _CONST char zeroes[PADSIZE] =
|
static _CONST char zeroes[PADSIZE] =
|
{'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0'};
|
{ '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
|
|
'0' };
|
|
|
inline void pc (_CONST char c) {
|
inline void pc(_CONST char c)
|
|
{
|
#ifdef OR1K
|
#ifdef OR1K
|
putc (c);
|
putc(c);
|
#else
|
#else
|
printf ("%c", c);
|
printf("%c", c);
|
#endif
|
#endif
|
}
|
}
|
|
|
/*
|
/*
|
* BEWARE, these `goto error' on error, and PAD uses `n'.
|
* BEWARE, these `goto error' on error, and PAD uses `n'.
|
*/
|
*/
|
inline void PRINT(_CONST char *ptr, int len) {
|
inline void PRINT(_CONST char *ptr, int len)
|
|
{
|
int i;
|
int i;
|
for (i = 0; i < len; i++)
|
for (i = 0; i < len; i++)
|
pc(*(ptr++));
|
pc(*(ptr++));
|
}
|
}
|
|
|
inline void PAD(int howmany, _CONST char *with) {
|
inline void PAD(int howmany, _CONST char *with)
|
|
{
|
int n;
|
int n;
|
if ((n = howmany) > 0) {
|
if ((n = howmany) > 0) {
|
while (n > PADSIZE) {
|
while (n > PADSIZE) {
|
PRINT(with, PADSIZE);
|
PRINT(with, PADSIZE);
|
n -= PADSIZE;
|
n -= PADSIZE;
|
}
|
}
|
PRINT(with, n);
|
PRINT(with, n);
|
}
|
}
|
}
|
}
|
|
|
int printf(const char *fmt0, ...)
|
int printf(const char *fmt0, ...)
|
{
|
{
|
register char *fmt; /* format string */
|
register char *fmt; /* format string */
|
register int ch; /* character from fmt */
|
register int ch; /* character from fmt */
|
int n; /* handy integers (short term usage) */
|
int n; /* handy integers (short term usage) */
|
register char *cp; /* handy char pointer (short term usage) */
|
register char *cp; /* handy char pointer (short term usage) */
|
register int flags; /* flags as above */
|
register int flags; /* flags as above */
|
int ret; /* return value accumulator */
|
int ret; /* return value accumulator */
|
int width; /* width from format (%8d), or 0 */
|
int width; /* width from format (%8d), or 0 */
|
int prec; /* precision from format (%.3d), or -1 */
|
int prec; /* precision from format (%.3d), or -1 */
|
char sign; /* sign prefix (' ', '+', '-', or \0) */
|
char sign; /* sign prefix (' ', '+', '-', or \0) */
|
va_list ap;
|
va_list ap;
|
|
|
#ifdef FLOATING_POINT
|
#ifdef FLOATING_POINT
|
char *decimal_point = localeconv()->decimal_point;
|
char *decimal_point = localeconv()->decimal_point;
|
char softsign; /* temporary negative sign for floats */
|
char softsign; /* temporary negative sign for floats */
|
/*
|
/*
|
* Although it is natural to declare this double here, the
|
* Although it is natural to declare this double here, the
|
* declaration causes gcc to save FP registers even when not
|
* declaration causes gcc to save FP registers even when not
|
* printing an FP number. This results in surprising use
|
* printing an FP number. This results in surprising use
|
* of FP registers to print integers or strings on at least the
|
* of FP registers to print integers or strings on at least the
|
* PowerPC. A more proper solution would be to move FP printing
|
* PowerPC. A more proper solution would be to move FP printing
|
* to another file, but this does seem to work.
|
* to another file, but this does seem to work.
|
*/
|
*/
|
#if 0
|
#if 0
|
double _double; /* double precision arguments %[eEfgG] */
|
double _double; /* double precision arguments %[eEfgG] */
|
#else
|
#else
|
/* double precision arguments %[eEfgG] */
|
/* double precision arguments %[eEfgG] */
|
union { int i; double d; } _double_ = {0};
|
union {
|
|
int i;
|
|
double d;
|
|
} _double_ = {
|
|
0};
|
#define _double (_double_.d)
|
#define _double (_double_.d)
|
#endif
|
#endif
|
int expt; /* integer value of exponent */
|
int expt; /* integer value of exponent */
|
int expsize; /* character count for expstr */
|
int expsize; /* character count for expstr */
|
int ndig; /* actual number of digits returned by cvt */
|
int ndig; /* actual number of digits returned by cvt */
|
char expstr[7]; /* buffer for exponent string */
|
char expstr[7]; /* buffer for exponent string */
|
#endif
|
#endif
|
|
|
#ifndef _NO_LONGLONG
|
#ifndef _NO_LONGLONG
|
#define quad_t long long
|
#define quad_t long long
|
#define u_quad_t unsigned long long
|
#define u_quad_t unsigned long long
|
#endif
|
#endif
|
|
|
#ifndef _NO_LONGLONG
|
#ifndef _NO_LONGLONG
|
u_quad_t _uquad; /* integer arguments %[diouxX] */
|
u_quad_t _uquad; /* integer arguments %[diouxX] */
|
#else
|
#else
|
u_long _uquad;
|
u_long _uquad;
|
#endif
|
#endif
|
enum { OCT, DEC, HEX } base;/* base for [diouxX] conversion */
|
enum { OCT, DEC, HEX } base; /* base for [diouxX] conversion */
|
int dprec; /* a copy of prec if [diouxX], 0 otherwise */
|
int dprec; /* a copy of prec if [diouxX], 0 otherwise */
|
int realsz; /* field size expanded by dprec */
|
int realsz; /* field size expanded by dprec */
|
int size; /* size of converted field or string */
|
int size; /* size of converted field or string */
|
char *xdigs = (char *)0; /* digits for [xX] conversion */
|
char *xdigs = (char *)0; /* digits for [xX] conversion */
|
#define NIOV 8
|
#define NIOV 8
|
|
|
char buf[BUF]; /* space for %c, %[diouxX], %[eEfgG] */
|
char buf[BUF]; /* space for %c, %[diouxX], %[eEfgG] */
|
char ox[2]; /* space for 0x hex-prefix */
|
char ox[2]; /* space for 0x hex-prefix */
|
|
|
#define FLUSH()
|
#define FLUSH()
|
|
|
/*
|
/*
|
* To extend shorts properly, we need both signed and unsigned
|
* To extend shorts properly, we need both signed and unsigned
|
* argument extraction methods.
|
* argument extraction methods.
|
*/
|
*/
|
#ifndef _NO_LONGLONG
|
#ifndef _NO_LONGLONG
|
#define SARG() \
|
#define SARG() \
|
(flags&QUADINT ? va_arg(ap, quad_t) : \
|
(flags&QUADINT ? va_arg(ap, quad_t) : \
|
flags&LONGINT ? va_arg(ap, long) : \
|
flags&LONGINT ? va_arg(ap, long) : \
|
flags&SHORTINT ? (long)(short)va_arg(ap, int) : \
|
flags&SHORTINT ? (long)(short)va_arg(ap, int) : \
|
(long)va_arg(ap, int))
|
(long)va_arg(ap, int))
|
#define UARG() \
|
#define UARG() \
|
(flags&QUADINT ? va_arg(ap, u_quad_t) : \
|
(flags&QUADINT ? va_arg(ap, u_quad_t) : \
|
flags&LONGINT ? va_arg(ap, u_long) : \
|
flags&LONGINT ? va_arg(ap, u_long) : \
|
flags&SHORTINT ? (u_long)(u_short)va_arg(ap, int) : \
|
flags&SHORTINT ? (u_long)(u_short)va_arg(ap, int) : \
|
(u_long)va_arg(ap, u_int))
|
(u_long)va_arg(ap, u_int))
|
#else
|
#else
|
#define SARG() \
|
#define SARG() \
|
(flags&LONGINT ? va_arg(ap, long) : \
|
(flags&LONGINT ? va_arg(ap, long) : \
|
flags&SHORTINT ? (long)(short)va_arg(ap, int) : \
|
flags&SHORTINT ? (long)(short)va_arg(ap, int) : \
|
(long)va_arg(ap, int))
|
(long)va_arg(ap, int))
|
#define UARG() \
|
#define UARG() \
|
(flags&LONGINT ? va_arg(ap, u_long) : \
|
(flags&LONGINT ? va_arg(ap, u_long) : \
|
flags&SHORTINT ? (u_long)(u_short)va_arg(ap, int) : \
|
flags&SHORTINT ? (u_long)(u_short)va_arg(ap, int) : \
|
(u_long)va_arg(ap, u_int))
|
(u_long)va_arg(ap, u_int))
|
#endif
|
#endif
|
|
|
va_start (ap, fmt0);
|
va_start(ap, fmt0);
|
fmt = (char *)fmt0;
|
fmt = (char *)fmt0;
|
ret = 0;
|
ret = 0;
|
|
|
/*
|
/*
|
* Scan the format for conversions (`%' character).
|
* Scan the format for conversions (`%' character).
|
*/
|
*/
|
for (;;) {
|
for (;;) {
|
|
|
while (*fmt != 0 && *fmt != '%') {
|
while (*fmt != 0 && *fmt != '%') {
|
pc (*fmt);
|
pc(*fmt);
|
fmt++;
|
fmt++;
|
ret++;
|
ret++;
|
}
|
}
|
if (!*fmt)
|
if (!*fmt)
|
goto done;
|
goto done;
|
|
|
fmt++; /* Skip % */
|
fmt++; /* Skip % */
|
flags = 0;
|
flags = 0;
|
dprec = 0;
|
dprec = 0;
|
width = 0;
|
width = 0;
|
prec = -1;
|
prec = -1;
|
sign = '\0';
|
sign = '\0';
|
|
|
rflag: ch = *fmt++;
|
rflag: ch = *fmt++;
|
reswitch: switch (ch) {
|
reswitch: switch (ch) {
|
case ' ':
|
case ' ':
|
/*
|
/*
|
* ``If the space and + flags both appear, the space
|
* ``If the space and + flags both appear, the space
|
* flag will be ignored.''
|
* flag will be ignored.''
|
* -- ANSI X3J11
|
* -- ANSI X3J11
|
*/
|
*/
|
if (!sign)
|
if (!sign)
|
sign = ' ';
|
sign = ' ';
|
goto rflag;
|
goto rflag;
|
case '#':
|
case '#':
|
flags |= ALT;
|
flags |= ALT;
|
goto rflag;
|
goto rflag;
|
case '*':
|
case '*':
|
/*
|
/*
|
* ``A negative field width argument is taken as a
|
* ``A negative field width argument is taken as a
|
* - flag followed by a positive field width.''
|
* - flag followed by a positive field width.''
|
* -- ANSI X3J11
|
* -- ANSI X3J11
|
* They don't exclude field widths read from args.
|
* They don't exclude field widths read from args.
|
*/
|
*/
|
if ((width = va_arg(ap, int)) >= 0)
|
if ((width = va_arg(ap, int)) >= 0)
|
goto rflag;
|
goto rflag;
|
width = -width;
|
width = -width;
|
/* FALLTHROUGH */
|
/* FALLTHROUGH */
|
case '-':
|
case '-':
|
flags |= LADJUST;
|
flags |= LADJUST;
|
goto rflag;
|
goto rflag;
|
case '+':
|
case '+':
|
sign = '+';
|
sign = '+';
|
goto rflag;
|
goto rflag;
|
case '.':
|
case '.':
|
if ((ch = *fmt++) == '*') {
|
if ((ch = *fmt++) == '*') {
|
n = va_arg(ap, int);
|
n = va_arg(ap, int);
|
prec = n < 0 ? -1 : n;
|
prec = n < 0 ? -1 : n;
|
goto rflag;
|
goto rflag;
|
}
|
}
|
n = 0;
|
n = 0;
|
while (is_digit(ch)) {
|
while (is_digit(ch)) {
|
n = 10 * n + to_digit(ch);
|
n = 10 * n + to_digit(ch);
|
ch = *fmt++;
|
ch = *fmt++;
|
}
|
}
|
prec = n < 0 ? -1 : n;
|
prec = n < 0 ? -1 : n;
|
goto reswitch;
|
goto reswitch;
|
case '0':
|
case '0':
|
/*
|
/*
|
* ``Note that 0 is taken as a flag, not as the
|
* ``Note that 0 is taken as a flag, not as the
|
* beginning of a field width.''
|
* beginning of a field width.''
|
* -- ANSI X3J11
|
* -- ANSI X3J11
|
*/
|
*/
|
flags |= ZEROPAD;
|
flags |= ZEROPAD;
|
goto rflag;
|
goto rflag;
|
case '1': case '2': case '3': case '4':
|
case '1':
|
case '5': case '6': case '7': case '8': case '9':
|
case '2':
|
|
case '3':
|
|
case '4':
|
|
case '5':
|
|
case '6':
|
|
case '7':
|
|
case '8':
|
|
case '9':
|
n = 0;
|
n = 0;
|
do {
|
do {
|
n = 10 * n + to_digit(ch);
|
n = 10 * n + to_digit(ch);
|
ch = *fmt++;
|
ch = *fmt++;
|
} while (is_digit(ch));
|
} while (is_digit(ch));
|
width = n;
|
width = n;
|
goto reswitch;
|
goto reswitch;
|
#ifdef FLOATING_POINT
|
#ifdef FLOATING_POINT
|
case 'L':
|
case 'L':
|
flags |= LONGDBL;
|
flags |= LONGDBL;
|
goto rflag;
|
goto rflag;
|
#endif
|
#endif
|
case 'h':
|
case 'h':
|
flags |= SHORTINT;
|
flags |= SHORTINT;
|
goto rflag;
|
goto rflag;
|
case 'l':
|
case 'l':
|
if (*fmt == 'l') {
|
if (*fmt == 'l') {
|
fmt++;
|
fmt++;
|
flags |= QUADINT;
|
flags |= QUADINT;
|
} else {
|
} else {
|
flags |= LONGINT;
|
flags |= LONGINT;
|
}
|
}
|
goto rflag;
|
goto rflag;
|
case 'q':
|
case 'q':
|
flags |= QUADINT;
|
flags |= QUADINT;
|
goto rflag;
|
goto rflag;
|
case 'c':
|
case 'c':
|
*(cp = buf) = va_arg(ap, int);
|
*(cp = buf) = va_arg(ap, int);
|
size = 1;
|
size = 1;
|
sign = '\0';
|
sign = '\0';
|
break;
|
break;
|
case 'D':
|
case 'D':
|
flags |= LONGINT;
|
flags |= LONGINT;
|
/*FALLTHROUGH*/
|
/*FALLTHROUGH*/ case 'd':
|
case 'd':
|
|
case 'i':
|
case 'i':
|
_uquad = SARG();
|
_uquad = SARG();
|
#ifndef _NO_LONGLONG
|
#ifndef _NO_LONGLONG
|
if ((quad_t)_uquad < 0)
|
if ((quad_t) _uquad < 0)
|
#else
|
#else
|
if ((long) _uquad < 0)
|
if ((long)_uquad < 0)
|
#endif
|
#endif
|
{
|
{
|
|
|
_uquad = -_uquad;
|
_uquad = -_uquad;
|
sign = '-';
|
sign = '-';
|
}
|
}
|
base = DEC;
|
base = DEC;
|
goto number;
|
goto number;
|
#ifdef FLOATING_POINT
|
#ifdef FLOATING_POINT
|
case 'e':
|
case 'e':
|
case 'E':
|
case 'E':
|
case 'f':
|
case 'f':
|
case 'g':
|
case 'g':
|
case 'G':
|
case 'G':
|
if (prec == -1) {
|
if (prec == -1) {
|
prec = DEFPREC;
|
prec = DEFPREC;
|
} else if ((ch == 'g' || ch == 'G') && prec == 0) {
|
} else if ((ch == 'g' || ch == 'G') && prec == 0) {
|
prec = 1;
|
prec = 1;
|
}
|
}
|
|
|
if (flags & LONGDBL) {
|
if (flags & LONGDBL) {
|
_double = (double) va_arg(ap, long double);
|
_double = (double)va_arg(ap, long double);
|
} else {
|
} else {
|
_double = va_arg(ap, double);
|
_double = va_arg(ap, double);
|
}
|
}
|
|
|
/* do this before tricky precision changes */
|
/* do this before tricky precision changes */
|
if (isinf(_double)) {
|
if (isinf(_double)) {
|
if (_double < 0)
|
if (_double < 0)
|
sign = '-';
|
sign = '-';
|
cp = "Inf";
|
cp = "Inf";
|
size = 3;
|
size = 3;
|
break;
|
break;
|
}
|
}
|
if (isnan(_double)) {
|
if (isnan(_double)) {
|
cp = "NaN";
|
cp = "NaN";
|
size = 3;
|
size = 3;
|
break;
|
break;
|
}
|
}
|
|
|
flags |= FPT;
|
flags |= FPT;
|
cp = cvt(data, _double, prec, flags, &softsign,
|
cp = cvt(data, _double, prec, flags, &softsign,
|
&expt, ch, &ndig);
|
&expt, ch, &ndig);
|
if (ch == 'g' || ch == 'G') {
|
if (ch == 'g' || ch == 'G') {
|
if (expt <= -4 || expt > prec)
|
if (expt <= -4 || expt > prec)
|
ch = (ch == 'g') ? 'e' : 'E';
|
ch = (ch == 'g') ? 'e' : 'E';
|
else
|
else
|
ch = 'g';
|
ch = 'g';
|
}
|
}
|
if (ch <= 'e') { /* 'e' or 'E' fmt */
|
if (ch <= 'e') { /* 'e' or 'E' fmt */
|
--expt;
|
--expt;
|
expsize = exponent(expstr, expt, ch);
|
expsize = exponent(expstr, expt, ch);
|
size = expsize + ndig;
|
size = expsize + ndig;
|
if (ndig > 1 || flags & ALT)
|
if (ndig > 1 || flags & ALT)
|
++size;
|
++size;
|
} else if (ch == 'f') { /* f fmt */
|
} else if (ch == 'f') { /* f fmt */
|
if (expt > 0) {
|
if (expt > 0) {
|
size = expt;
|
size = expt;
|
if (prec || flags & ALT)
|
if (prec || flags & ALT)
|
size += prec + 1;
|
size += prec + 1;
|
} else /* "0.X" */
|
} else /* "0.X" */
|
size = prec + 2;
|
size = prec + 2;
|
} else if (expt >= ndig) { /* fixed g fmt */
|
} else if (expt >= ndig) { /* fixed g fmt */
|
size = expt;
|
size = expt;
|
if (flags & ALT)
|
if (flags & ALT)
|
++size;
|
++size;
|
} else
|
} else
|
size = ndig + (expt > 0 ?
|
size = ndig + (expt > 0 ? 1 : 2 - expt);
|
1 : 2 - expt);
|
|
|
|
if (softsign)
|
if (softsign)
|
sign = '-';
|
sign = '-';
|
break;
|
break;
|
#endif /* FLOATING_POINT */
|
#endif /* FLOATING_POINT */
|
case 'n':
|
case 'n':
|
#ifndef _NO_LONGLONG
|
#ifndef _NO_LONGLONG
|
if (flags & QUADINT)
|
if (flags & QUADINT)
|
*va_arg(ap, quad_t *) = ret;
|
*va_arg(ap, quad_t *) = ret;
|
else
|
else
|
#endif
|
#endif
|
if (flags & LONGINT)
|
if (flags & LONGINT)
|
*va_arg(ap, long *) = ret;
|
*va_arg(ap, long *) = ret;
|
else if (flags & SHORTINT)
|
else if (flags & SHORTINT)
|
*va_arg(ap, short *) = ret;
|
*va_arg(ap, short *) = ret;
|
else
|
else
|
*va_arg(ap, int *) = ret;
|
*va_arg(ap, int *) = ret;
|
continue; /* no output */
|
continue; /* no output */
|
case 'O':
|
case 'O':
|
flags |= LONGINT;
|
flags |= LONGINT;
|
/*FALLTHROUGH*/
|
/*FALLTHROUGH*/ case 'o':
|
case 'o':
|
|
_uquad = UARG();
|
_uquad = UARG();
|
base = OCT;
|
base = OCT;
|
goto nosign;
|
goto nosign;
|
case 'p':
|
case 'p':
|
/*
|
/*
|
* ``The argument shall be a pointer to void. The
|
* ``The argument shall be a pointer to void. The
|
* value of the pointer is converted to a sequence
|
* value of the pointer is converted to a sequence
|
* of printable characters, in an implementation-
|
* of printable characters, in an implementation-
|
* defined manner.''
|
* defined manner.''
|
* -- ANSI X3J11
|
* -- ANSI X3J11
|
*/
|
*/
|
/* NOSTRICT */
|
/* NOSTRICT */
|
_uquad = (u_long)(unsigned _POINTER_INT)va_arg(ap, void *);
|
_uquad =
|
|
(u_long) (unsigned _POINTER_INT)va_arg(ap, void *);
|
base = HEX;
|
base = HEX;
|
xdigs = "0123456789abcdef";
|
xdigs = "0123456789abcdef";
|
flags |= HEXPREFIX;
|
flags |= HEXPREFIX;
|
ch = 'x';
|
ch = 'x';
|
goto nosign;
|
goto nosign;
|
case 's':
|
case 's':
|
if ((cp = va_arg(ap, char *)) == NULL)
|
if ((cp = va_arg(ap, char *)) == NULL)
|
cp = "(null)";
|
cp = "(null)";
|
if (prec >= 0) {
|
if (prec >= 0) {
|
/*
|
/*
|
* can't use strlen; can only look for the
|
* can't use strlen; can only look for the
|
* NUL in the first `prec' characters, and
|
* NUL in the first `prec' characters, and
|
* strlen() will go further.
|
* strlen() will go further.
|
*/
|
*/
|
char *p = (char *)memchr(cp, 0, prec);
|
char *p = (char *)memchr(cp, 0, prec);
|
|
|
if (p != NULL) {
|
if (p != NULL) {
|
size = p - cp;
|
size = p - cp;
|
if (size > prec)
|
if (size > prec)
|
size = prec;
|
size = prec;
|
} else
|
} else
|
size = prec;
|
size = prec;
|
} else
|
} else
|
size = strlen(cp);
|
size = strlen(cp);
|
sign = '\0';
|
sign = '\0';
|
break;
|
break;
|
case 'U':
|
case 'U':
|
flags |= LONGINT;
|
flags |= LONGINT;
|
/*FALLTHROUGH*/
|
/*FALLTHROUGH*/ case 'u':
|
case 'u':
|
|
_uquad = UARG();
|
_uquad = UARG();
|
base = DEC;
|
base = DEC;
|
goto nosign;
|
goto nosign;
|
case 'X':
|
case 'X':
|
xdigs = "0123456789ABCDEF";
|
xdigs = "0123456789ABCDEF";
|
goto hex;
|
goto hex;
|
case 'x':
|
case 'x':
|
xdigs = "0123456789abcdef";
|
xdigs = "0123456789abcdef";
|
hex: _uquad = UARG();
|
hex: _uquad = UARG();
|
base = HEX;
|
base = HEX;
|
/* leading 0x/X only if non-zero */
|
/* leading 0x/X only if non-zero */
|
if (flags & ALT && _uquad != 0)
|
if (flags & ALT && _uquad != 0)
|
flags |= HEXPREFIX;
|
flags |= HEXPREFIX;
|
|
|
/* unsigned conversions */
|
/* unsigned conversions */
|
nosign: sign = '\0';
|
nosign: sign = '\0';
|
/*
|
/*
|
* ``... diouXx conversions ... if a precision is
|
* ``... diouXx conversions ... if a precision is
|
* specified, the 0 flag will be ignored.''
|
* specified, the 0 flag will be ignored.''
|
* -- ANSI X3J11
|
* -- ANSI X3J11
|
*/
|
*/
|
number: if ((dprec = prec) >= 0)
|
number: if ((dprec = prec) >= 0)
|
flags &= ~ZEROPAD;
|
flags &= ~ZEROPAD;
|
|
|
/*
|
/*
|
* ``The result of converting a zero value with an
|
* ``The result of converting a zero value with an
|
* explicit precision of zero is no characters.''
|
* explicit precision of zero is no characters.''
|
* -- ANSI X3J11
|
* -- ANSI X3J11
|
*/
|
*/
|
cp = buf + BUF;
|
cp = buf + BUF;
|
if (_uquad != 0 || prec != 0) {
|
if (_uquad != 0 || prec != 0) {
|
/*
|
/*
|
* Unsigned mod is hard, and unsigned mod
|
* Unsigned mod is hard, and unsigned mod
|
* by a constant is easier than that by
|
* by a constant is easier than that by
|
* a variable; hence this switch.
|
* a variable; hence this switch.
|
*/
|
*/
|
switch (base) {
|
switch (base) {
|
case OCT:
|
case OCT:
|
do {
|
do {
|
*--cp = to_char(_uquad & 7);
|
*--cp = to_char(_uquad & 7);
|
_uquad >>= 3;
|
_uquad >>= 3;
|
} while (_uquad);
|
} while (_uquad);
|
/* handle octal leading 0 */
|
/* handle octal leading 0 */
|
if (flags & ALT && *cp != '0')
|
if (flags & ALT && *cp != '0')
|
*--cp = '0';
|
*--cp = '0';
|
break;
|
break;
|
|
|
case DEC:
|
case DEC:
|
/* many numbers are 1 digit */
|
/* many numbers are 1 digit */
|
while (_uquad >= 10) {
|
while (_uquad >= 10) {
|
*--cp = to_char(_uquad % 10);
|
*--cp = to_char(_uquad % 10);
|
_uquad /= 10;
|
_uquad /= 10;
|
}
|
}
|
*--cp = to_char(_uquad);
|
*--cp = to_char(_uquad);
|
break;
|
break;
|
|
|
case HEX:
|
case HEX:
|
do {
|
do {
|
*--cp = xdigs[_uquad & 15];
|
*--cp = xdigs[_uquad & 15];
|
_uquad >>= 4;
|
_uquad >>= 4;
|
} while (_uquad);
|
} while (_uquad);
|
break;
|
break;
|
|
|
default:
|
default:
|
cp = "bug in vfprintf: bad base";
|
cp = "bug in vfprintf: bad base";
|
size = strlen(cp);
|
size = strlen(cp);
|
goto skipsize;
|
goto skipsize;
|
}
|
}
|
}
|
}
|
size = buf + BUF - cp;
|
size = buf + BUF - cp;
|
skipsize:
|
skipsize:
|
break;
|
break;
|
default: /* "%?" prints ?, unless ? is NUL */
|
default: /* "%?" prints ?, unless ? is NUL */
|
if (ch == '\0')
|
if (ch == '\0')
|
goto done;
|
goto done;
|
/* pretend it was %c with argument ch */
|
/* pretend it was %c with argument ch */
|
cp = buf;
|
cp = buf;
|
*cp = ch;
|
*cp = ch;
|
size = 1;
|
size = 1;
|
sign = '\0';
|
sign = '\0';
|
break;
|
break;
|
}
|
}
|
|
|
/*
|
/*
|
* All reasonable formats wind up here. At this point, `cp'
|
* All reasonable formats wind up here. At this point, `cp'
|
* points to a string which (if not flags&LADJUST) should be
|
* points to a string which (if not flags&LADJUST) should be
|
* padded out to `width' places. If flags&ZEROPAD, it should
|
* padded out to `width' places. If flags&ZEROPAD, it should
|
* first be prefixed by any sign or other prefix; otherwise,
|
* first be prefixed by any sign or other prefix; otherwise,
|
* it should be blank padded before the prefix is emitted.
|
* it should be blank padded before the prefix is emitted.
|
* After any left-hand padding and prefixing, emit zeroes
|
* After any left-hand padding and prefixing, emit zeroes
|
* required by a decimal [diouxX] precision, then print the
|
* required by a decimal [diouxX] precision, then print the
|
* string proper, then emit zeroes required by any leftover
|
* string proper, then emit zeroes required by any leftover
|
* floating precision; finally, if LADJUST, pad with blanks.
|
* floating precision; finally, if LADJUST, pad with blanks.
|
*
|
*
|
* Compute actual size, so we know how much to pad.
|
* Compute actual size, so we know how much to pad.
|
* size excludes decimal prec; realsz includes it.
|
* size excludes decimal prec; realsz includes it.
|
*/
|
*/
|
realsz = dprec > size ? dprec : size;
|
realsz = dprec > size ? dprec : size;
|
if (sign)
|
if (sign)
|
realsz++;
|
realsz++;
|
else if (flags & HEXPREFIX)
|
else if (flags & HEXPREFIX)
|
realsz+= 2;
|
realsz += 2;
|
|
|
/* right-adjusting blank padding */
|
/* right-adjusting blank padding */
|
if ((flags & (LADJUST|ZEROPAD)) == 0)
|
if ((flags & (LADJUST | ZEROPAD)) == 0)
|
PAD(width - realsz, blanks);
|
PAD(width - realsz, blanks);
|
|
|
/* prefix */
|
/* prefix */
|
if (sign) {
|
if (sign) {
|
PRINT(&sign, 1);
|
PRINT(&sign, 1);
|
} else if (flags & HEXPREFIX) {
|
} else if (flags & HEXPREFIX) {
|
ox[0] = '0';
|
ox[0] = '0';
|
ox[1] = ch;
|
ox[1] = ch;
|
PRINT(ox, 2);
|
PRINT(ox, 2);
|
}
|
}
|
|
|
/* right-adjusting zero padding */
|
/* right-adjusting zero padding */
|
if ((flags & (LADJUST|ZEROPAD)) == ZEROPAD)
|
if ((flags & (LADJUST | ZEROPAD)) == ZEROPAD)
|
PAD(width - realsz, zeroes);
|
PAD(width - realsz, zeroes);
|
|
|
/* leading zeroes from decimal precision */
|
/* leading zeroes from decimal precision */
|
PAD(dprec - size, zeroes);
|
PAD(dprec - size, zeroes);
|
|
|
/* the string or number proper */
|
/* the string or number proper */
|
#ifdef FLOATING_POINT
|
#ifdef FLOATING_POINT
|
if ((flags & FPT) == 0) {
|
if ((flags & FPT) == 0) {
|
PRINT(cp, size);
|
PRINT(cp, size);
|
} else { /* glue together f_p fragments */
|
} else { /* glue together f_p fragments */
|
if (ch >= 'f') { /* 'f' or 'g' */
|
if (ch >= 'f') { /* 'f' or 'g' */
|
if (_double == 0) {
|
if (_double == 0) {
|
/* kludge for __dtoa irregularity */
|
/* kludge for __dtoa irregularity */
|
PRINT("0", 1);
|
PRINT("0", 1);
|
if (expt < ndig || (flags & ALT) != 0) {
|
if (expt < ndig || (flags & ALT) != 0) {
|
PRINT(decimal_point, 1);
|
PRINT(decimal_point, 1);
|
PAD(ndig - 1, zeroes);
|
PAD(ndig - 1, zeroes);
|
}
|
}
|
} else if (expt <= 0) {
|
} else if (expt <= 0) {
|
PRINT("0", 1);
|
PRINT("0", 1);
|
PRINT(decimal_point, 1);
|
PRINT(decimal_point, 1);
|
PAD(-expt, zeroes);
|
PAD(-expt, zeroes);
|
PRINT(cp, ndig);
|
PRINT(cp, ndig);
|
} else if (expt >= ndig) {
|
} else if (expt >= ndig) {
|
PRINT(cp, ndig);
|
PRINT(cp, ndig);
|
PAD(expt - ndig, zeroes);
|
PAD(expt - ndig, zeroes);
|
if (flags & ALT)
|
if (flags & ALT)
|
PRINT(".", 1);
|
PRINT(".", 1);
|
} else {
|
} else {
|
PRINT(cp, expt);
|
PRINT(cp, expt);
|
cp += expt;
|
cp += expt;
|
PRINT(".", 1);
|
PRINT(".", 1);
|
PRINT(cp, ndig-expt);
|
PRINT(cp, ndig - expt);
|
}
|
}
|
} else { /* 'e' or 'E' */
|
} else { /* 'e' or 'E' */
|
if (ndig > 1 || flags & ALT) {
|
if (ndig > 1 || flags & ALT) {
|
ox[0] = *cp++;
|
ox[0] = *cp++;
|
ox[1] = '.';
|
ox[1] = '.';
|
PRINT(ox, 2);
|
PRINT(ox, 2);
|
if (_double || flags & ALT == 0) {
|
if (_double || flags & ALT == 0) {
|
PRINT(cp, ndig-1);
|
PRINT(cp, ndig - 1);
|
} else /* 0.[0..] */
|
} else /* 0.[0..] */
|
/* __dtoa irregularity */
|
/* __dtoa irregularity */
|
PAD(ndig - 1, zeroes);
|
PAD(ndig - 1, zeroes);
|
} else /* XeYYY */
|
} else /* XeYYY */
|
PRINT(cp, 1);
|
PRINT(cp, 1);
|
PRINT(expstr, expsize);
|
PRINT(expstr, expsize);
|
}
|
}
|
}
|
}
|
#else
|
#else
|
PRINT(cp, size);
|
PRINT(cp, size);
|
#endif
|
#endif
|
/* left-adjusting padding (always blank) */
|
/* left-adjusting padding (always blank) */
|
if (flags & LADJUST)
|
if (flags & LADJUST)
|
PAD(width - realsz, blanks);
|
PAD(width - realsz, blanks);
|
|
|
/* finally, adjust ret */
|
/* finally, adjust ret */
|
ret += width > realsz ? width : realsz;
|
ret += width > realsz ? width : realsz;
|
|
|
FLUSH(); /* copy out the I/O vectors */
|
FLUSH(); /* copy out the I/O vectors */
|
}
|
}
|
done:
|
done:
|
va_end (ap);
|
va_end(ap);
|
FLUSH();
|
FLUSH();
|
return (ret);
|
return (ret);
|
/* NOTREACHED */
|
/* NOTREACHED */
|
}
|
}
|
|
|
#ifdef FLOATING_POINT
|
#ifdef FLOATING_POINT
|
|
|
extern char *_dtoa_r _PARAMS((struct _reent *, double, int,
|
extern char *_dtoa_r _PARAMS((struct _reent *, double, int,
|
int, int *, int *, char **));
|
int, int *, int *, char **));
|
|
|
static char *
|
static char *cvt(data, value, ndigits, flags, sign, decpt, ch, length)
|
cvt(data, value, ndigits, flags, sign, decpt, ch, length)
|
|
struct _reent *data;
|
struct _reent *data;
|
double value;
|
double value;
|
int ndigits, flags, *decpt, ch, *length;
|
int ndigits, flags, *decpt, ch, *length;
|
char *sign;
|
char *sign;
|
{
|
{
|
int mode, dsgn;
|
int mode, dsgn;
|
char *digits, *bp, *rve;
|
char *digits, *bp, *rve;
|
union double_union tmp;
|
union double_union tmp;
|
|
|
if (ch == 'f') {
|
if (ch == 'f') {
|
mode = 3; /* ndigits after the decimal point */
|
mode = 3; /* ndigits after the decimal point */
|
} else {
|
} else {
|
/* To obtain ndigits after the decimal point for the 'e'
|
/* To obtain ndigits after the decimal point for the 'e'
|
* and 'E' formats, round to ndigits + 1 significant
|
* and 'E' formats, round to ndigits + 1 significant
|
* figures.
|
* figures.
|
*/
|
*/
|
if (ch == 'e' || ch == 'E') {
|
if (ch == 'e' || ch == 'E') {
|
ndigits++;
|
ndigits++;
|
}
|
}
|
mode = 2; /* ndigits significant digits */
|
mode = 2; /* ndigits significant digits */
|
}
|
}
|
|
|
tmp.d = value;
|
tmp.d = value;
|
if (word0(tmp) & Sign_bit) { /* this will check for < 0 and -0.0 */
|
if (word0(tmp) & Sign_bit) { /* this will check for < 0 and -0.0 */
|
value = -value;
|
value = -value;
|
*sign = '-';
|
*sign = '-';
|
} else
|
} else
|
*sign = '\000';
|
*sign = '\000';
|
digits = _dtoa_r(data, value, mode, ndigits, decpt, &dsgn, &rve);
|
digits = _dtoa_r(data, value, mode, ndigits, decpt, &dsgn, &rve);
|
if ((ch != 'g' && ch != 'G') || flags & ALT) { /* Print trailing zeros */
|
if ((ch != 'g' && ch != 'G') || flags & ALT) { /* Print trailing zeros */
|
bp = digits + ndigits;
|
bp = digits + ndigits;
|
if (ch == 'f') {
|
if (ch == 'f') {
|
if (*digits == '0' && value)
|
if (*digits == '0' && value)
|
*decpt = -ndigits + 1;
|
*decpt = -ndigits + 1;
|
bp += *decpt;
|
bp += *decpt;
|
}
|
}
|
if (value == 0) /* kludge for __dtoa irregularity */
|
if (value == 0) /* kludge for __dtoa irregularity */
|
rve = bp;
|
rve = bp;
|
while (rve < bp)
|
while (rve < bp)
|
*rve++ = '0';
|
*rve++ = '0';
|
}
|
}
|
*length = rve - digits;
|
*length = rve - digits;
|
return (digits);
|
return (digits);
|
}
|
}
|
|
|
static int
|
static int exponent(p0, exp, fmtch)
|
exponent(p0, exp, fmtch)
|
|
char *p0;
|
char *p0;
|
int exp, fmtch;
|
int exp, fmtch;
|
{
|
{
|
register char *p, *t;
|
register char *p, *t;
|
char expbuf[MAXEXP];
|
char expbuf[MAXEXP];
|
|
|
p = p0;
|
p = p0;
|
*p++ = fmtch;
|
*p++ = fmtch;
|
if (exp < 0) {
|
if (exp < 0) {
|
exp = -exp;
|
exp = -exp;
|
*p++ = '-';
|
*p++ = '-';
|
}
|
} else
|
else
|
|
*p++ = '+';
|
*p++ = '+';
|
t = expbuf + MAXEXP;
|
t = expbuf + MAXEXP;
|
if (exp > 9) {
|
if (exp > 9) {
|
do {
|
do {
|
*--t = to_char(exp % 10);
|
*--t = to_char(exp % 10);
|
} while ((exp /= 10) > 9);
|
} while ((exp /= 10) > 9);
|
*--t = to_char(exp);
|
*--t = to_char(exp);
|
for (; t < expbuf + MAXEXP; *p++ = *t++);
|
for (; t < expbuf + MAXEXP; *p++ = *t++);
|
}
|
} else {
|
else {
|
|
*p++ = '0';
|
*p++ = '0';
|
*p++ = to_char(exp);
|
*p++ = to_char(exp);
|
}
|
}
|
return (p - p0);
|
return (p - p0);
|
}
|
}
|
#endif /* FLOATING_POINT */
|
#endif /* FLOATING_POINT */
|
|
|
