1 /* $OpenBSD: mkindex.c,v 1.9 2016/01/07 16:00:31 tb Exp $ */ 2 /* $NetBSD: mkindex.c,v 1.2 1995/03/21 12:14:52 cgd Exp $ */ 3 4 /*- 5 * Copyright (c) 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Barry Brachman. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <err.h> 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <unistd.h> 40 41 #include "bog.h" 42 43 char *nextword(FILE *, char *, int *, int *); 44 45 int 46 main(void) 47 { 48 int clen, rlen, prev; 49 long off, start; 50 char buf[MAXWORDLEN + 1]; 51 52 prev = '\0'; 53 off = start = 0L; 54 while (nextword(stdin, buf, &clen, &rlen) != NULL) { 55 if (*buf != prev) { 56 if (prev != '\0') 57 printf("%c %6ld %6ld\n", prev, start, off - 1); 58 prev = *buf; 59 start = off; 60 } 61 off += clen + 1; 62 } 63 printf("%c %6ld %6ld\n", prev, start, off - 1); 64 return 0; 65 } 66 67 /* 68 * Return the next word in the compressed dictionary in 'buffer' or 69 * NULL on end-of-file 70 * Also set clen to the length of the compressed word (for mkindex) and 71 * rlen to the strlen() of the real word 72 */ 73 char * 74 nextword(FILE *fp, char *buffer, int *clen, int *rlen) 75 { 76 int ch, pcount; 77 char *p, *q; 78 static char buf[MAXWORDLEN + 1]; 79 static int first = 1; 80 static int lastch = 0; 81 82 if (first) { 83 if ((pcount = getc(fp)) == EOF) 84 return (NULL); 85 first = 0; 86 } 87 else if ((pcount = lastch) == EOF) 88 return (NULL); 89 90 p = buf + (*clen = pcount); 91 92 while ((ch = getc(fp)) != EOF && ch >= 'a') 93 *p++ = ch; 94 lastch = ch; 95 *p = '\0'; 96 97 *rlen = (int) (p - buf); 98 *clen = *rlen - *clen; 99 100 p = buf; 101 q = buffer; 102 while ((*q++ = *p) != '\0') { 103 if (*p++ == 'q') 104 *q++ = 'u'; 105 } 106 return (buffer); 107 } 108