print.c File Reference

#include "print.h"
#include "common/digits.h"
#include <inttypes.h>
#include <limits.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "user/common/file.h"

Go to the source code of this file.

Macros
#define	_DBL_SIGN(bytes)   (((unsigned)bytes[7] & 0x80) >> 7)
#define	_DBL_DEC(bytes)   ((_DBL_EXP(bytes) > 0) ? 1 : 0)
#define	_DBL_EXP(bytes)   ((((unsigned)bytes[7] & 0x7f) << 4) | (((unsigned)bytes[6] & 0xf0) >> 4))
#define	_DBL_BIAS   1023
#define	_DBL_MANT_START(bytes)   (bytes + 6)
#define	_LDBL_SIGN(bytes)   (((unsigned)bytes[7] & 0x80) >> 7)
#define	_LDBL_DEC(bytes)   ((_LDBL_EXP(bytes) > 0) ? 1 : 0)
#define	_LDBL_EXP(bytes)   ((((unsigned)bytes[7] & 0x7f) << 4) | (((unsigned)bytes[6] & 0xf0) >> 4))
#define	_LDBL_BIAS   1023
#define	_LDBL_MANT_START(bytes)   (bytes + 6)
#define	_PRINT_PUT(ctx, x)

Functions
static void	_print_hexa (int sign, int exp, int dec, unsigned char const *mant, size_t mant_dig, _format_ctx_t *ctx)
static void	_print_fp (int sign, int exp, int dec, unsigned char const *mant, size_t mant_dig, _format_ctx_t *ctx)
static void	_print_double (double value, _format_ctx_t *ctx)
static void	_print_ldouble (long double value, _format_ctx_t *ctx)
static void	_int_format (intmax_t value, _format_ctx_t *ctx)
static void	_print_integer (imaxdiv_t div, _format_ctx_t *ctx)
static void	_print_string (const char *s, _format_ctx_t *ctx)
const char *	_print (const char *spec, _format_ctx_t *ctx)

Macro Definition Documentation

_DBL_BIAS

#define _DBL_BIAS   1023

Definition at line 21 of file print.c.

_DBL_DEC

#define _DBL_DEC

(

bytes

)

((_DBL_EXP(bytes) > 0) ? 1 : 0)

Definition at line 19 of file print.c.

_DBL_EXP

#define _DBL_EXP

(

bytes

)

((((unsigned)bytes[7] & 0x7f) << 4) | (((unsigned)bytes[6] & 0xf0) >> 4))

Definition at line 20 of file print.c.

_DBL_MANT_START

#define _DBL_MANT_START

(

bytes

)

(bytes + 6)

Definition at line 22 of file print.c.

_DBL_SIGN

#define _DBL_SIGN

(

bytes

)

(((unsigned)bytes[7] & 0x80) >> 7)

Definition at line 18 of file print.c.

_LDBL_BIAS

#define _LDBL_BIAS   1023

Definition at line 48 of file print.c.

_LDBL_DEC

#define _LDBL_DEC

(

bytes

)

((_LDBL_EXP(bytes) > 0) ? 1 : 0)

Definition at line 46 of file print.c.

_LDBL_EXP

#define _LDBL_EXP

(

bytes

)

((((unsigned)bytes[7] & 0x7f) << 4) | (((unsigned)bytes[6] & 0xf0) >> 4))

Definition at line 47 of file print.c.

_LDBL_MANT_START

#define _LDBL_MANT_START

(

bytes

)

(bytes + 6)

Definition at line 49 of file print.c.

_LDBL_SIGN

#define _LDBL_SIGN

(

bytes

)

(((unsigned)bytes[7] & 0x80) >> 7)

Definition at line 45 of file print.c.

_PRINT_PUT

#define _PRINT_PUT	(		ctx,
			x
	)

Value:

    ({ \
        int character = x; \
        if ((ctx)->totalChars < (ctx)->maxChars) \
        { \
            if ((ctx)->stream != NULL) \
            { \
                putc(character, (ctx)->stream); \
            } \
            else \
            { \
                (ctx)->buffer[(ctx)->totalChars] = character; \
            } \
        } \
        ++((ctx)->totalChars); \
    })

Definition at line 53 of file print.c.

Function Documentation

_int_format()

static void _int_format ( intmax_t  value, _format_ctx_t *  ctx  )

static

Definition at line 367 of file print.c.

References _PRINT_PUT, _format_ctx_t::base, _format_ctx_t::currentChars, _format_ctx_t::flags, FORMAT_ALT, FORMAT_LOWER, FORMAT_MINUS, FORMAT_PLUS, FORMAT_SPACE, FORMAT_UNSIGNED, FORMAT_ZERO, _format_ctx_t::precision, and _format_ctx_t::width.

Referenced by _print_integer().

_print()

const char * _print	(	const char *	spec,
		_format_ctx_t *	ctx
	)

Definition at line 561 of file print.c.

References _print_double(), _print_integer(), _print_ldouble(), _PRINT_PUT, _print_string(), abs(), _format_ctx_t::arg, _format_ctx_t::base, _format_ctx_t::buffer, _format_ctx_t::currentChars, div(), EOF, _format_ctx_t::flags, FORMAT_ALT, FORMAT_CHAR, FORMAT_DECIMAL, FORMAT_DONE, FORMAT_DOUBLE, FORMAT_EXPONENT, FORMAT_GENERIC, FORMAT_HEXA, FORMAT_INTMAX, FORMAT_LDOUBLE, FORMAT_LLONG, FORMAT_LONG, FORMAT_LOWER, FORMAT_MINUS, FORMAT_PLUS, FORMAT_POINTER, FORMAT_PTRDIFF, FORMAT_SHORT, FORMAT_SIZE, FORMAT_SPACE, FORMAT_UNSIGNED, FORMAT_ZERO, imaxdiv(), _format_ctx_t::maxChars, NULL, _format_ctx_t::precision, div_t::quot, div_t::rem, strtol, _format_ctx_t::totalChars, va_arg, and _format_ctx_t::width.

Referenced by vfprintf(), and vsnprintf().

_print_double()

static void _print_double ( double  value, _format_ctx_t *  ctx  )

static

Definition at line 333 of file print.c.

References _DBL_BIAS, _DBL_DEC, _DBL_EXP, _DBL_MANT_START, _DBL_SIGN, _print_fp(), exp(), INT_MAX, INT_MIN, and memcpy().

Referenced by _print().

_print_fp()

static void _print_fp ( int  sign, int  exp, int  dec, unsigned char const *  mant, size_t  mant_dig, _format_ctx_t *  ctx  )

static

Definition at line 270 of file print.c.

References _print_hexa(), _PRINT_PUT, _format_ctx_t::currentChars, exp(), _format_ctx_t::flags, FORMAT_DECIMAL, FORMAT_EXPONENT, FORMAT_GENERIC, FORMAT_HEXA, FORMAT_LOWER, FORMAT_MINUS, FORMAT_PLUS, FORMAT_SPACE, INT_MAX, INT_MIN, and _format_ctx_t::width.

Referenced by _print_double(), and _print_ldouble().

_print_hexa()

static void _print_hexa ( int  sign, int  exp, int  dec, unsigned char const *  mant, size_t  mant_dig, _format_ctx_t *  ctx  )

static

Definition at line 86 of file print.c.

References _digits, _PRINT_PUT, _xdigits, _format_ctx_t::currentChars, div(), exp(), _format_ctx_t::flags, FORMAT_ALT, FORMAT_LOWER, FORMAT_MINUS, FORMAT_ZERO, _format_ctx_t::precision, div_t::quot, div_t::rem, and _format_ctx_t::width.

Referenced by _print_fp().

_print_integer()

static void _print_integer ( imaxdiv_t  div, _format_ctx_t *  ctx  )

static

Definition at line 473 of file print.c.

References _digits, _int_format(), _print_integer(), _PRINT_PUT, _xdigits, _format_ctx_t::base, _format_ctx_t::currentChars, div(), _format_ctx_t::flags, FORMAT_LOWER, imaxdiv(), _format_ctx_t::precision, div_t::quot, and div_t::rem.

Referenced by _print(), and _print_integer().

_print_ldouble()

static void _print_ldouble ( long double  value, _format_ctx_t *  ctx  )

static

Definition at line 349 of file print.c.

References _LDBL_BIAS, _LDBL_DEC, _LDBL_EXP, _LDBL_MANT_START, _LDBL_SIGN, _print_fp(), exp(), INT_MAX, INT_MIN, and memcpy().

Referenced by _print().

_print_string()

static void _print_string ( const char *  s, _format_ctx_t *  ctx  )

static

Definition at line 508 of file print.c.

References _PRINT_PUT, _format_ctx_t::currentChars, _format_ctx_t::flags, FORMAT_CHAR, FORMAT_MINUS, _format_ctx_t::precision, strlen(), and _format_ctx_t::width.

Referenced by _print().