12490Sjkh/* 22490Sjkh * Copyright (c) 1988, 1993, 1994 32490Sjkh * The Regents of the University of California. All rights reserved. 42490Sjkh * 52490Sjkh * Redistribution and use in source and binary forms, with or without 62490Sjkh * modification, are permitted provided that the following conditions 72490Sjkh * are met: 82490Sjkh * 1. Redistributions of source code must retain the above copyright 92490Sjkh * notice, this list of conditions and the following disclaimer. 102490Sjkh * 2. Redistributions in binary form must reproduce the above copyright 112490Sjkh * notice, this list of conditions and the following disclaimer in the 122490Sjkh * documentation and/or other materials provided with the distribution. 13203932Simp * 3. Neither the name of the University nor the names of its contributors 142490Sjkh * may be used to endorse or promote products derived from this software 152490Sjkh * without specific prior written permission. 162490Sjkh * 172490Sjkh * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 182490Sjkh * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 192490Sjkh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 202490Sjkh * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 212490Sjkh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 222490Sjkh * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 232490Sjkh * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 242490Sjkh * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 252490Sjkh * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 262490Sjkh * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 272490Sjkh * SUCH DAMAGE. 282490Sjkh */ 292490Sjkh 302490Sjkh#ifndef lint 3153920Sbillfstatic const char copyright[] = 322490Sjkh"@(#) Copyright (c) 1988, 1993, 1994\n\ 332490Sjkh The Regents of the University of California. All rights reserved.\n"; 342490Sjkh#endif /* not lint */ 352490Sjkh 362490Sjkh#ifndef lint 3753920Sbillf#if 0 3823726Speterstatic char sccsid[] = "@(#)number.c 8.3 (Berkeley) 5/4/95"; 3953920Sbillf#endif 4053920Sbillfstatic const char rcsid[] = 4153920Sbillf "$FreeBSD: releng/11.0/usr.bin/number/number.c 227101 2011-11-05 07:18:53Z ed $"; 422490Sjkh#endif /* not lint */ 432490Sjkh 442490Sjkh#include <sys/types.h> 452490Sjkh 462490Sjkh#include <ctype.h> 4723726Speter#include <err.h> 482490Sjkh#include <stdio.h> 492490Sjkh#include <stdlib.h> 502490Sjkh#include <string.h> 5123726Speter#include <unistd.h> 522490Sjkh 532490Sjkh#define MAXNUM 65 /* Biggest number we handle. */ 542490Sjkh 5554468Sbillfstatic const char *name1[] = { 562490Sjkh "", "one", "two", "three", 572490Sjkh "four", "five", "six", "seven", 582490Sjkh "eight", "nine", "ten", "eleven", 592490Sjkh "twelve", "thirteen", "fourteen", "fifteen", 602490Sjkh "sixteen", "seventeen", "eighteen", "nineteen", 612490Sjkh}, 622490Sjkh *name2[] = { 632490Sjkh "", "ten", "twenty", "thirty", 642490Sjkh "forty", "fifty", "sixty", "seventy", 652490Sjkh "eighty", "ninety", 662490Sjkh}, 672490Sjkh *name3[] = { 682490Sjkh "hundred", "thousand", "million", "billion", 692490Sjkh "trillion", "quadrillion", "quintillion", "sextillion", 702490Sjkh "septillion", "octillion", "nonillion", "decillion", 712490Sjkh "undecillion", "duodecillion", "tredecillion", "quattuordecillion", 728856Srgrimes "quindecillion", "sexdecillion", 732490Sjkh "septendecillion", "octodecillion", 742490Sjkh "novemdecillion", "vigintillion", 752490Sjkh}; 762490Sjkh 77227101Sedstatic void convert(char *); 78227101Sedstatic int number(char *, int); 79227101Sedstatic void pfract(int); 80227101Sedstatic int unit(int, char *); 81227101Sedstatic void usage(void); 822490Sjkh 83227101Sedstatic int lflag; 842490Sjkh 852490Sjkhint 86198021Sedmain(int argc, char *argv[]) 872490Sjkh{ 882490Sjkh int ch, first; 892490Sjkh char line[256]; 902490Sjkh 912490Sjkh lflag = 0; 9233937Sjkh while ((ch = getopt(argc, argv, "l")) != -1) 932490Sjkh switch (ch) { 942490Sjkh case 'l': 952490Sjkh lflag = 1; 962490Sjkh break; 972490Sjkh case '?': 982490Sjkh default: 992490Sjkh usage(); 1002490Sjkh } 1012490Sjkh argc -= optind; 1022490Sjkh argv += optind; 1032490Sjkh 1042490Sjkh if (*argv == NULL) 1052490Sjkh for (first = 1; 1062490Sjkh fgets(line, sizeof(line), stdin) != NULL; first = 0) { 1072490Sjkh if (strchr(line, '\n') == NULL) 1082490Sjkh errx(1, "line too long."); 1092490Sjkh if (!first) 1102490Sjkh (void)printf("...\n"); 1112490Sjkh convert(line); 1122490Sjkh } 1132490Sjkh else 1142490Sjkh for (first = 1; *argv != NULL; first = 0, ++argv) { 1152490Sjkh if (!first) 1162490Sjkh (void)printf("...\n"); 1172490Sjkh convert(*argv); 1182490Sjkh } 1192490Sjkh exit(0); 1202490Sjkh} 1212490Sjkh 122227101Sedstatic void 123201176Sedconvert(char *line) 1242490Sjkh{ 12553215Smarcel int flen, len, rval; 12653210Sbillf char *p, *fraction; 1272490Sjkh 128126954Sbde flen = 0; 1292490Sjkh fraction = NULL; 1302490Sjkh for (p = line; *p != '\0' && *p != '\n'; ++p) { 1312490Sjkh if (isblank(*p)) { 1322490Sjkh if (p == line) { 1332490Sjkh ++line; 1342490Sjkh continue; 1352490Sjkh } 1362490Sjkh goto badnum; 1372490Sjkh } 1382490Sjkh if (isdigit(*p)) 1392490Sjkh continue; 1402490Sjkh switch (*p) { 1412490Sjkh case '.': 1422490Sjkh if (fraction != NULL) 1432490Sjkh goto badnum; 1442490Sjkh fraction = p + 1; 1452490Sjkh *p = '\0'; 1462490Sjkh break; 1472490Sjkh case '-': 1482490Sjkh if (p == line) 1492490Sjkh break; 1502490Sjkh /* FALLTHROUGH */ 1512490Sjkh default: 1522490Sjkhbadnum: errx(1, "illegal number: %s", line); 1532490Sjkh break; 1542490Sjkh } 1552490Sjkh } 1562490Sjkh *p = '\0'; 1572490Sjkh 1582490Sjkh if ((len = strlen(line)) > MAXNUM || 15954468Sbillf (fraction != NULL && ((flen = strlen(fraction)) > MAXNUM))) 1602490Sjkh errx(1, "number too large, max %d digits.", MAXNUM); 1612490Sjkh 1622490Sjkh if (*line == '-') { 1632490Sjkh (void)printf("minus%s", lflag ? " " : "\n"); 1642490Sjkh ++line; 16533856Ssteve --len; 1662490Sjkh } 1672490Sjkh 1682490Sjkh rval = len > 0 ? unit(len, line) : 0; 1692490Sjkh if (fraction != NULL && flen != 0) 1702490Sjkh for (p = fraction; *p != '\0'; ++p) 1712490Sjkh if (*p != '0') { 1722490Sjkh if (rval) 1732490Sjkh (void)printf("%sand%s", 1742490Sjkh lflag ? " " : "", 1752490Sjkh lflag ? " " : "\n"); 1762490Sjkh if (unit(flen, fraction)) { 1772490Sjkh if (lflag) 1782490Sjkh (void)printf(" "); 1792490Sjkh pfract(flen); 1802490Sjkh rval = 1; 1812490Sjkh } 1822490Sjkh break; 1832490Sjkh } 1842490Sjkh if (!rval) 1852490Sjkh (void)printf("zero%s", lflag ? "" : ".\n"); 1862490Sjkh if (lflag) 1872490Sjkh (void)printf("\n"); 1882490Sjkh} 1892490Sjkh 190227101Sedstatic int 191201176Sedunit(int len, char *p) 1922490Sjkh{ 19353210Sbillf int off, rval; 1942490Sjkh 1952490Sjkh rval = 0; 1962490Sjkh if (len > 3) { 1972490Sjkh if (len % 3) { 1982490Sjkh off = len % 3; 1992490Sjkh len -= off; 2002490Sjkh if (number(p, off)) { 2012490Sjkh rval = 1; 2022490Sjkh (void)printf(" %s%s", 2032490Sjkh name3[len / 3], lflag ? " " : ".\n"); 2042490Sjkh } 2052490Sjkh p += off; 2062490Sjkh } 2072490Sjkh for (; len > 3; p += 3) { 2082490Sjkh len -= 3; 2092490Sjkh if (number(p, 3)) { 2102490Sjkh rval = 1; 2112490Sjkh (void)printf(" %s%s", 2122490Sjkh name3[len / 3], lflag ? " " : ".\n"); 2132490Sjkh } 2142490Sjkh } 2152490Sjkh } 2162490Sjkh if (number(p, len)) { 2172490Sjkh if (!lflag) 2182490Sjkh (void)printf(".\n"); 2192490Sjkh rval = 1; 2202490Sjkh } 2212490Sjkh return (rval); 2222490Sjkh} 2232490Sjkh 224227101Sedstatic int 225201176Sednumber(char *p, int len) 2262490Sjkh{ 22753210Sbillf int val, rval; 2282490Sjkh 2292490Sjkh rval = 0; 2302490Sjkh switch (len) { 2312490Sjkh case 3: 2322490Sjkh if (*p != '0') { 2332490Sjkh rval = 1; 2342490Sjkh (void)printf("%s hundred", name1[*p - '0']); 2352490Sjkh } 2362490Sjkh ++p; 2372490Sjkh /* FALLTHROUGH */ 2382490Sjkh case 2: 2392490Sjkh val = (p[1] - '0') + (p[0] - '0') * 10; 2402490Sjkh if (val) { 2412490Sjkh if (rval) 2422490Sjkh (void)printf(" "); 2432490Sjkh if (val < 20) 2442490Sjkh (void)printf("%s", name1[val]); 2452490Sjkh else { 2462490Sjkh (void)printf("%s", name2[val / 10]); 2472490Sjkh if (val % 10) 2482490Sjkh (void)printf("-%s", name1[val % 10]); 2492490Sjkh } 2502490Sjkh rval = 1; 2512490Sjkh } 2522490Sjkh break; 2532490Sjkh case 1: 2542490Sjkh if (*p != '0') { 2552490Sjkh rval = 1; 2562490Sjkh (void)printf("%s", name1[*p - '0']); 2572490Sjkh } 2582490Sjkh } 2592490Sjkh return (rval); 2602490Sjkh} 2612490Sjkh 262227101Sedstatic void 263201176Sedpfract(int len) 2642490Sjkh{ 265198021Sed static char const * const pref[] = { "", "ten-", "hundred-" }; 2662490Sjkh 2672490Sjkh switch(len) { 2682490Sjkh case 1: 2692490Sjkh (void)printf("tenths.\n"); 2702490Sjkh break; 2712490Sjkh case 2: 2722490Sjkh (void)printf("hundredths.\n"); 2732490Sjkh break; 2742490Sjkh default: 2752490Sjkh (void)printf("%s%sths.\n", pref[len % 3], name3[len / 3]); 2762490Sjkh break; 2772490Sjkh } 2782490Sjkh} 2792490Sjkh 280227101Sedstatic void 281201176Sedusage(void) 2822490Sjkh{ 283141581Sru (void)fprintf(stderr, "usage: number [-l] [# ...]\n"); 2842490Sjkh exit(1); 2852490Sjkh} 286