xref: /onnv-gate/usr/src/lib/libeti/form/common/field_buf.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
23*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate  *      Copyright (c) 1997, by Sun Microsystems, Inc.
28*0Sstevel@tonic-gate  *      All rights reserved.
29*0Sstevel@tonic-gate  */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI" /* SVr4.0 1.4 */
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate /*LINTLIBRARY*/
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate #include <sys/types.h>
36*0Sstevel@tonic-gate #include "utility.h"
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate int
set_field_buffer(FIELD * f,int n,char * v)39*0Sstevel@tonic-gate set_field_buffer(FIELD *f, int n, char *v)
40*0Sstevel@tonic-gate {
41*0Sstevel@tonic-gate 	char *p;
42*0Sstevel@tonic-gate 	char *x;
43*0Sstevel@tonic-gate 	size_t s;
44*0Sstevel@tonic-gate 	int err = 0;
45*0Sstevel@tonic-gate 	int	len;
46*0Sstevel@tonic-gate 	int	size;
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate 	if (!f || !v || n < 0 || n > f->nbuf)
49*0Sstevel@tonic-gate 		return (E_BAD_ARGUMENT);
50*0Sstevel@tonic-gate 
51*0Sstevel@tonic-gate 	len = (int)  strlen(v);
52*0Sstevel@tonic-gate 	size = BufSize(f);
53*0Sstevel@tonic-gate 
54*0Sstevel@tonic-gate 	if (Status(f, GROWABLE) && len > size)
55*0Sstevel@tonic-gate 		if (!_grow_field(f, (len - size - 1)/GrowSize(f) + 1))
56*0Sstevel@tonic-gate 			return (E_SYSTEM_ERROR);
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate 	x = Buffer(f, n);
59*0Sstevel@tonic-gate 	s = BufSize(f);
60*0Sstevel@tonic-gate 	p = memccpy(x, v, '\0', s);
61*0Sstevel@tonic-gate 
62*0Sstevel@tonic-gate 	if (p)
63*0Sstevel@tonic-gate 		(void) memset(p - 1, ' ', (size_t) (s - (p - x) + 1));
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate 	if (n == 0) {
66*0Sstevel@tonic-gate 		if (_sync_field(f) != E_OK)
67*0Sstevel@tonic-gate 			++err;
68*0Sstevel@tonic-gate 		if (_sync_linked(f) != E_OK)
69*0Sstevel@tonic-gate 			++err;
70*0Sstevel@tonic-gate 	}
71*0Sstevel@tonic-gate 	return (err ? E_SYSTEM_ERROR : E_OK);
72*0Sstevel@tonic-gate }
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate char *
field_buffer(FIELD * f,int n)75*0Sstevel@tonic-gate field_buffer(FIELD *f, int n)
76*0Sstevel@tonic-gate {
77*0Sstevel@tonic-gate /*
78*0Sstevel@tonic-gate  * field_buffer may not be accurate on the current field unless
79*0Sstevel@tonic-gate  * called from within the check validation function or the
80*0Sstevel@tonic-gate  * form/field init/term functions.
81*0Sstevel@tonic-gate  * field_buffer is always accurate on validated fields.
82*0Sstevel@tonic-gate  */
83*0Sstevel@tonic-gate 
84*0Sstevel@tonic-gate 	if (f && n >= 0 && n <= f -> nbuf)
85*0Sstevel@tonic-gate 		return (Buffer(f, n));
86*0Sstevel@tonic-gate 	else
87*0Sstevel@tonic-gate 		return ((char *) 0);
88*0Sstevel@tonic-gate }
89