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 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.4 */ 32 33 /*LINTLIBRARY*/ 34 35 #include <sys/types.h> 36 #include "utility.h" 37 38 int 39 set_field_buffer(FIELD *f, int n, char *v) 40 { 41 char *p; 42 char *x; 43 size_t s; 44 int err = 0; 45 int len; 46 int size; 47 48 if (!f || !v || n < 0 || n > f->nbuf) 49 return (E_BAD_ARGUMENT); 50 51 len = (int) strlen(v); 52 size = BufSize(f); 53 54 if (Status(f, GROWABLE) && len > size) 55 if (!_grow_field(f, (len - size - 1)/GrowSize(f) + 1)) 56 return (E_SYSTEM_ERROR); 57 58 x = Buffer(f, n); 59 s = BufSize(f); 60 p = memccpy(x, v, '\0', s); 61 62 if (p) 63 (void) memset(p - 1, ' ', (size_t) (s - (p - x) + 1)); 64 65 if (n == 0) { 66 if (_sync_field(f) != E_OK) 67 ++err; 68 if (_sync_linked(f) != E_OK) 69 ++err; 70 } 71 return (err ? E_SYSTEM_ERROR : E_OK); 72 } 73 74 char * 75 field_buffer(FIELD *f, int n) 76 { 77 /* 78 * field_buffer may not be accurate on the current field unless 79 * called from within the check validation function or the 80 * form/field init/term functions. 81 * field_buffer is always accurate on validated fields. 82 */ 83 84 if (f && n >= 0 && n <= f -> nbuf) 85 return (Buffer(f, n)); 86 else 87 return ((char *) 0); 88 } 89