mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-15 15:40:12 +00:00
04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <stdio.h>
|
|
#include <printf.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <wchar.h>
|
|
#include <sys/param.h>
|
|
|
|
#include "../locale/localeinfo.h"
|
|
|
|
#ifndef COMPILE_WPRINTF
|
|
# define CHAR_T char
|
|
# define UCHAR_T unsigned char
|
|
# define INT_T int
|
|
# define L_(Str) Str
|
|
# define ISDIGIT(Ch) isdigit (Ch)
|
|
# define ISASCII(Ch) isascii (Ch)
|
|
# define MBRLEN(Cp, L, St) __mbrlen (Cp, L, St)
|
|
|
|
# define PUT(F, S, N) _IO_sputn (F, S, N)
|
|
# define PAD(Padchar) \
|
|
if (width > 0) \
|
|
done += _IO_padn (s, Padchar, width)
|
|
#else
|
|
# define vfprintf vfwprintf
|
|
# define CHAR_T wchar_t
|
|
# define UCHAR_T uwchar_t
|
|
# define INT_T wint_t
|
|
# define L_(Str) L##Str
|
|
# define ISDIGIT(Ch) iswdigit (Ch)
|
|
|
|
# define PUT(F, S, N) _IO_sputn (F, S, N)
|
|
# define PAD(Padchar) \
|
|
if (width > 0) \
|
|
done += _IO_wpadn (s, Padchar, width)
|
|
#endif
|
|
|
|
#define DONT_NEED_READ_INT
|
|
#include "printf-parse.h"
|
|
|
|
|
|
size_t
|
|
parse_printf_format (const char *fmt, size_t n, int *argtypes)
|
|
{
|
|
size_t nargs; /* Number of arguments. */
|
|
size_t max_ref_arg; /* Highest index used in a positional arg. */
|
|
struct printf_spec spec;
|
|
const unsigned char *f = (const unsigned char *) fmt;
|
|
|
|
nargs = 0;
|
|
max_ref_arg = 0;
|
|
|
|
/* Search for format specifications. */
|
|
for (f = __find_specmb (f); *f != '\0'; f = spec.next_fmt)
|
|
{
|
|
/* Parse this spec. */
|
|
nargs += __parse_one_specmb (f, nargs, &spec, &max_ref_arg);
|
|
|
|
/* If the width is determined by an argument this is an int. */
|
|
if (spec.width_arg != -1 && (size_t) spec.width_arg < n)
|
|
argtypes[spec.width_arg] = PA_INT;
|
|
|
|
/* If the precision is determined by an argument this is an int. */
|
|
if (spec.prec_arg != -1 && (size_t) spec.prec_arg < n)
|
|
argtypes[spec.prec_arg] = PA_INT;
|
|
|
|
if ((size_t) spec.data_arg < n)
|
|
switch (spec.ndata_args)
|
|
{
|
|
case 0: /* No arguments. */
|
|
break;
|
|
case 1: /* One argument; we already have the type. */
|
|
argtypes[spec.data_arg] = spec.data_arg_type;
|
|
break;
|
|
default:
|
|
/* We have more than one argument for this format spec. We must
|
|
call the arginfo function again to determine all the types. */
|
|
(void) (*__printf_arginfo_table[spec.info.spec])
|
|
(&spec.info, n - spec.data_arg, &argtypes[spec.data_arg],
|
|
&spec.size);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return MAX (nargs, max_ref_arg);
|
|
}
|