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 /* Copyright (c) 1988 AT&T */
23 /* All Rights Reserved */
24
25
26 /*
27 * Copyright (c) 1997, by Sun Microsystems, Inc.
28 * All rights reserved.
29 */
30
31 /*LINTLIBRARY*/
32
33 #include <sys/types.h>
34 #include "utility.h"
35
36 int
set_field_buffer(FIELD * f,int n,char * v)37 set_field_buffer(FIELD *f, int n, char *v)
38 {
39 char *p;
40 char *x;
41 size_t s;
42 int err = 0;
43 int len;
44 int size;
45
46 if (!f || !v || n < 0 || n > f->nbuf)
47 return (E_BAD_ARGUMENT);
48
49 len = (int) strlen(v);
50 size = BufSize(f);
51
52 if (Status(f, GROWABLE) && len > size)
53 if (!_grow_field(f, (len - size - 1)/GrowSize(f) + 1))
54 return (E_SYSTEM_ERROR);
55
56 x = Buffer(f, n);
57 s = BufSize(f);
58 p = memccpy(x, v, '\0', s);
59
60 if (p)
61 (void) memset(p - 1, ' ', (size_t) (s - (p - x) + 1));
62
63 if (n == 0) {
64 if (_sync_field(f) != E_OK)
65 ++err;
66 if (_sync_linked(f) != E_OK)
67 ++err;
68 }
69 return (err ? E_SYSTEM_ERROR : E_OK);
70 }
71
72 char *
field_buffer(FIELD * f,int n)73 field_buffer(FIELD *f, int n)
74 {
75 /*
76 * field_buffer may not be accurate on the current field unless
77 * called from within the check validation function or the
78 * form/field init/term functions.
79 * field_buffer is always accurate on validated fields.
80 */
81
82 if (f && n >= 0 && n <= f -> nbuf)
83 return (Buffer(f, n));
84 else
85 return ((char *) 0);
86 }
87