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3ea7943059
... for easier extensibility. Add width, # and - flags while at it. Signed-off-by: David Lamparter <equinox@diac24.net>
108 lines
3.6 KiB
C
108 lines
3.6 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Chris Torek.
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*
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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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* are met:
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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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* 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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* documentation and/or other materials provided with the distribution.
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* 3. 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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* without specific prior written permission.
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*
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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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* 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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* 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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* 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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* 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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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include "compiler.h"
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#include "printfrr.h"
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/*
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* Flags used during conversion.
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*/
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#define ALT 0x001 /* alternate form */
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#define LADJUST 0x004 /* left adjustment */
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#define LONGDBL 0x008 /* long double */
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#define LONGINT 0x010 /* long integer */
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#define LLONGINT 0x020 /* long long integer */
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#define SHORTINT 0x040 /* short integer */
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#define ZEROPAD 0x080 /* zero (as opposed to blank) pad */
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#define FPT 0x100 /* Floating point number */
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#define GROUPING 0x200 /* use grouping ("'" flag) */
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/* C99 additional size modifiers: */
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#define SIZET 0x400 /* size_t */
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#define PTRDIFFT 0x800 /* ptrdiff_t */
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#define INTMAXT 0x1000 /* intmax_t */
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#define CHARINT 0x2000 /* print char using int format */
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/*
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* Macros for converting digits to letters and vice versa
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*/
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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 to_char(n) ((n) + '0')
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/* Size of the static argument table. */
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#define STATIC_ARG_TBL_SIZE 8
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union arg {
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int intarg;
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u_int uintarg;
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long longarg;
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u_long ulongarg;
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long long longlongarg;
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unsigned long long ulonglongarg;
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ptrdiff_t ptrdiffarg;
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size_t sizearg;
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intmax_t intmaxarg;
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uintmax_t uintmaxarg;
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void *pvoidarg;
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char *pchararg;
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signed char *pschararg;
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short *pshortarg;
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int *pintarg;
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long *plongarg;
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long long *plonglongarg;
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ptrdiff_t *pptrdiffarg;
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ssize_t *pssizearg;
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intmax_t *pintmaxarg;
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#ifndef NO_FLOATING_POINT
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double doublearg;
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long double longdoublearg;
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#endif
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wint_t wintarg;
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wchar_t *pwchararg;
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};
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/* Handle positional parameters. */
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int _frr_find_arguments(const char *, va_list, union arg **) DSO_LOCAL;
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#ifdef WCHAR_SUPPORT
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int _frr_find_warguments(const wchar_t *, va_list, union arg **) DSO_LOCAL;
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#endif
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/* returns number of bytes needed for full output, or -1 */
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ssize_t printfrr_extp(struct fbuf *, struct printfrr_eargs *ea, const void *)
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DSO_LOCAL;
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ssize_t printfrr_exti(struct fbuf *, struct printfrr_eargs *ea, uintmax_t)
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DSO_LOCAL;
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