You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.2 KiB
76 lines
2.2 KiB
/* Copyright (C) 1991, 1992, 1995, 1996 Free Software Foundation, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <printf.h>
|
|
#ifdef STDC_HEADERS
|
|
# include <stdlib.h>
|
|
#endif
|
|
|
|
#include "printf-parse.h"
|
|
|
|
|
|
size_t
|
|
parse_printf_format (fmt, n, argtypes)
|
|
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;
|
|
|
|
nargs = 0;
|
|
max_ref_arg = 0;
|
|
|
|
/* Search for format specifications. */
|
|
for (fmt = find_spec (fmt); *fmt != '\0'; fmt = spec.next_fmt)
|
|
{
|
|
/* Parse this spec. */
|
|
nargs += parse_one_spec (fmt, nargs, &spec, &max_ref_arg);
|
|
|
|
/* If the width is determined by an argument this is an int. */
|
|
if (spec.width_arg != -1 && spec.width_arg < (int) n)
|
|
argtypes[spec.width_arg] = PA_INT;
|
|
|
|
/* If the precision is determined by an argument this is an int. */
|
|
if (spec.prec_arg != -1 && spec.prec_arg < (int) n)
|
|
argtypes[spec.prec_arg] = PA_INT;
|
|
|
|
if (spec.data_arg < (int) 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 don't handle this here. Beside GNU libc no other
|
|
libc provides printf function registration. But while
|
|
having this feature it also provides this function, so
|
|
that using *this* file is not needed. */
|
|
break;
|
|
}
|
|
}
|
|
|
|
return MAX (nargs, max_ref_arg);
|
|
}
|