1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 #pragma ident "%Z%%M% %I% %E% SMI"
23
24 /*
25 * Copyright (c) 1988 by Sun Microsystems, Inc.
26 */
27
28 #include <ctype.h>
29 #include <stdio.h>
30 #ifndef PRE41
31 #include <locale.h>
32 #endif
33 #include "base_conversion.h"
34
35 void
file_to_decimal(ppc,nmax,fortran_conventions,pd,pform,pechar,pf,pnread)36 file_to_decimal(ppc, nmax, fortran_conventions, pd, pform, pechar, pf, pnread)
37 char **ppc;
38 int nmax;
39 int fortran_conventions;
40 decimal_record *pd;
41 enum decimal_string_form *pform;
42 char **pechar;
43 FILE *pf;
44 int *pnread;
45
46 {
47 register char *cp = *ppc;
48 register int current;
49 register int nread = 1; /* Number of characters read so far. */
50 char *good = cp - 1; /* End of known good token. */
51 char *cp0 = cp;
52
53 current = getc(pf); /* Initialize buffer. */
54 *cp = current;
55
56 #define ATEOF current
57 #define CURRENT current
58 #define NEXT \
59 if (nread < nmax) \
60 { cp++ ; current = getc(pf) ; *cp = current ; nread++ ;} \
61 else \
62 { current = NULL ; } ;
63
64 #include "char_to_decimal.h"
65 #undef CURRENT
66 #undef NEXT
67
68 if (nread < nmax) {
69 while (cp >= *ppc) { /* Push back as many excess
70 * characters as possible. */
71 if (*cp != EOF) { /* Can't push back EOF. */
72 if (ungetc(*cp, pf) == EOF)
73 break;
74 } cp--;
75 nread--;
76 }
77 }
78 cp++;
79 *cp = 0; /* Terminating null. */
80 *pnread = nread;
81
82 }
83