1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1987, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 */ 32 33 #define bool char 34 35 #define YES 1 36 #define NO 0 37 #define EOS '\0' 38 39 #define ENDLINE 50 /* max length of pattern */ 40 #define MAXTOKEN 250 /* max size of single token */ 41 42 #define SETLINE {++lineno;lineftell = ftell(inf);} 43 #define GETC(op,exp) ((c = getc(inf)) op (int)exp) 44 45 /* 46 * These character classification macros assume that the (EOF & 0xff) element 47 * of the arrays is always 'NO', as the EOF return from getc() gets masked 48 * to that value. Masking with 0xff has no effect for normal characters 49 * returned by getc() provided chars have 8 bits. 50 */ 51 52 #define iswhite(arg) _wht[arg & 0xff] /* T if char is white */ 53 #define begtoken(arg) _btk[arg & 0xff] /* T if char can start token */ 54 #define intoken(arg) _itk[arg & 0xff] /* T if char can be in token */ 55 #define endtoken(arg) _etk[arg & 0xff] /* T if char ends tokens */ 56 #define isgood(arg) _gd[arg & 0xff] /* T if char can be after ')' */ 57 58 typedef struct nd_st { /* sorting structure */ 59 struct nd_st *left, 60 *right; /* left and right sons */ 61 char *entry, /* function or type name */ 62 *file, /* file name */ 63 *pat; /* search pattern */ 64 int lno; /* for -x option */ 65 bool been_warned; /* set if noticed dup */ 66 } NODE; 67 68 extern char *curfile; /* current input file name */ 69 extern NODE *head; /* head of the sorted binary tree */ 70 extern FILE *inf; /* ioptr for current input file */ 71 extern FILE *outf; /* ioptr for current output file */ 72 extern long lineftell; /* ftell after getc( inf ) == '\n' */ 73 extern int lineno; /* line number of current line */ 74 extern int dflag; /* -d: non-macro defines */ 75 extern int tflag; /* -t: create tags for typedefs */ 76 extern int vflag; /* -v: vgrind style index output */ 77 extern int wflag; /* -w: suppress warnings */ 78 extern int xflag; /* -x: cxref style output */ 79 extern bool _wht[], _etk[], _itk[], _btk[], _gd[]; 80 extern char lbuf[LINE_MAX]; 81 extern char *lbp; 82 extern char searchar; /* ex search character */ 83 84 extern int cicmp(const char *); 85 extern void get_line(void); 86 extern void pfnote(const char *, int); 87 extern int skip_key(int); 88 extern void put_entries(NODE *); 89 extern void toss_yysec(void); 90 extern void l_entries(void); 91 extern void y_entries(void); 92 extern int PF_funcs(void); 93 extern void c_entries(void); 94 extern void skip_comment(int); 95