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 1.1 */ 32 33 /*LINTLIBRARY*/ 34 35 #include <sys/types.h> 36 #include <stdlib.h> 37 #include "utility.h" 38 39 /* 40 * TYPE_ALPHA standard type 41 * 42 * usage: 43 * set_field_type(f, TYPE_ALPHA, width); 44 * 45 * int width; minimum token width 46 */ 47 static char *make_alpha(va_list *); 48 static char *copy_alpha(char *); 49 static void free_alpha(char *); 50 static int fcheck_alpha(FIELD *, char *); 51 static int ccheck_alpha(int, char *); 52 53 static FIELDTYPE typeALPHA = 54 { 55 ARGS, /* status */ 56 1, /* ref */ 57 (FIELDTYPE *) 0, /* left */ 58 (FIELDTYPE *) 0, /* right */ 59 make_alpha, /* makearg */ 60 copy_alpha, /* copyarg */ 61 free_alpha, /* freearg */ 62 fcheck_alpha, /* fcheck */ 63 ccheck_alpha, /* ccheck */ 64 (PTF_int) 0, /* next */ 65 (PTF_int) 0, /* prev */ 66 }; 67 68 FIELDTYPE * TYPE_ALPHA = &typeALPHA; 69 70 static char * 71 make_alpha(va_list *ap) 72 { 73 int * width; 74 75 if (Alloc(width, int)) 76 *width = va_arg(*ap, int); 77 return ((char *) width); 78 } 79 80 static char * 81 copy_alpha(char *arg) 82 { 83 int * width; 84 85 if (Alloc(width, int)) 86 *width = *((int *) arg); 87 return ((char *) width); 88 } 89 90 static void 91 free_alpha(char *arg) 92 { 93 Free(arg); 94 } 95 96 static int 97 fcheck_alpha(FIELD *f, char *arg) 98 { 99 int width = *((int *) arg); 100 int n = 0; 101 char * v = field_buffer(f, 0); 102 103 while (*v && *v == ' ') 104 ++v; 105 if (*v) { 106 char * vbeg = v; 107 while (*v && isalpha(*v)) 108 ++v; 109 n = v - vbeg; 110 while (*v && *v == ' ') 111 ++v; 112 } 113 return (*v || n < width ? FALSE : TRUE); 114 } 115 116 /*ARGSUSED*/ 117 118 static int 119 ccheck_alpha(int c, char *arg) 120 { 121 return (isalpha(c)); 122 } 123