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 1.2 */ 32 33 /*LINTLIBRARY*/ 34 35 #include <sys/types.h> 36 #include <stdlib.h> 37 #include "utility.h" 38 39 /* 40 * TYPE_NUMERIC standard type 41 * 42 * usage: 43 * set_field_type(f, TYPE_NUMERIC, precision, vmin, vmax); 44 * 45 * int precision; digits to right of decimal point 46 * double vmin; minimum acceptable value 47 * double vmax; maximum acceptable value 48 */ 49 static char *make_num(va_list *); 50 static char *copy_num(char *); 51 static void free_num(char *); 52 static int fcheck_num(FIELD *, char *); 53 static int ccheck_num(int, char *); 54 55 typedef struct { 56 57 int prec; 58 double vmin; 59 double vmax; 60 } NUMERIC; 61 62 static FIELDTYPE typeNUMERIC = 63 { 64 ARGS, /* status */ 65 1, /* ref */ 66 (FIELDTYPE *) 0, /* left */ 67 (FIELDTYPE *) 0, /* right */ 68 make_num, /* makearg */ 69 copy_num, /* copyarg */ 70 free_num, /* freearg */ 71 fcheck_num, /* fcheck */ 72 ccheck_num, /* ccheck */ 73 (PTF_int) 0, /* next */ 74 (PTF_int) 0, /* prev */ 75 }; 76 77 FIELDTYPE * TYPE_NUMERIC = &typeNUMERIC; 78 79 static char * 80 make_num(va_list *ap) 81 { 82 NUMERIC * n; 83 84 if (Alloc(n, NUMERIC)) { 85 n -> prec = va_arg(*ap, int); 86 n -> vmin = va_arg(*ap, double); 87 n -> vmax = va_arg(*ap, double); 88 } 89 return ((char *) n); 90 } 91 92 static char * 93 copy_num(char *arg) 94 { 95 NUMERIC *n; 96 97 if (Alloc(n, NUMERIC)) 98 *n = *((NUMERIC *) arg); 99 return ((char *) n); 100 } 101 102 static void 103 free_num(char *arg) 104 { 105 Free(arg); 106 } 107 108 static int 109 fcheck_num(FIELD *f, char *arg) 110 { 111 NUMERIC * n = (NUMERIC *) arg; 112 double vmin = n -> vmin; 113 double vmax = n -> vmax; 114 int prec = n -> prec; 115 char * x = field_buffer(f, 0); 116 char buf[80]; 117 118 while (*x && *x == ' ') 119 ++x; 120 if (*x) { 121 char * t = x; 122 123 if (*x == '-') 124 ++x; 125 while (*x && isdigit(*x)) 126 ++x; 127 if (*x == '.') { 128 ++x; 129 while (*x && isdigit(*x)) 130 ++x; 131 } 132 while (*x && *x == ' ') 133 ++x; 134 if (! *x) { 135 double v = atof(t); 136 137 if (vmin >= vmax || (v >= vmin && v <= vmax)) { 138 (void) sprintf(buf, "%.*f", prec, v); 139 (void) set_field_buffer(f, 0, buf); 140 return (TRUE); 141 } 142 } 143 } 144 return (FALSE); 145 } 146 147 #define charok(c) (isdigit(c) || c == '-' || c == '.') 148 149 /*ARGSUSED*/ 150 151 static int 152 ccheck_num(int c, char *arg) 153 { 154 return (charok(c)); 155 } 156