/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "lint.h"
#include "file64.h"
#include "mtlib.h"
#include <sys/types.h>
#include <ctype.h>
#include <stdio.h>
#include "base_conversion.h"
#include <locale.h>
#include <thread.h>
#include <synch.h>
#include "stdiom.h"
#include "libc.h"
/* if the _IOWRT flag is set, this must be a call from sscanf */
#define mygetc(iop) ((iop->_flag & _IOWRT) ? \
((*iop->_ptr == '\0') ? EOF : *iop->_ptr++) : \
GETC(iop))
#define myungetc(x, iop) ((iop->_flag & _IOWRT) ? *(--iop->_ptr) : \
UNGETC(x, iop))
void
file_to_decimal(char **ppc, int nmax, int fortran_conventions,
decimal_record *pd, enum decimal_string_form *pform,
char **pechar, FILE *pf, int *pnread)
{
char *cp = *ppc - 1; /* last character seen */
char *good = cp; /* last character accepted */
int current; /* *cp or EOF */
int nread = 0; /* number of characters read so far */
/* if the _IOWRT flag is set, this must be a call from sscanf */
#define NEXT \
if (nread < nmax) { \
current = ((pf->_flag & _IOWRT) ? \
((*pf->_ptr == '\0') ? EOF : *pf->_ptr++) : \
GETC(pf)); \
if (current != EOF) { \
*++cp = (char)current; \
nread++; \
} \
} else { \
current = EOF; \
}
NEXT;
#include "char_to_decimal.h"
/*
* If we read any characters beyond the end of the accepted
* token, try to push them back.
*/
if (fortran_conventions < 0) {
/* in C99 mode, push back at most one character */
if (cp >= *ppc && current != EOF && myungetc(current, pf)
!= EOF) {
cp--;
nread--;
}
} else {
while (cp >= *ppc) {
if (myungetc((int)(unsigned char)*cp, pf) == EOF)
break;
cp--;
nread--;
}
}
*++cp = '\0';
*pnread = nread;
}