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 /* This header requires bool for some externed symbols. */ 34 #include <stdbool.h> 35 36 #define EOS '\0' 37 38 #define ENDLINE 50 /* max length of pattern */ 39 #define MAXTOKEN 250 /* max size of single token */ 40 41 #define SETLINE {++lineno;lineftell = ftell(inf);} 42 #define GETC(op,exp) ((c = getc(inf)) op (int)exp) 43 44 /* 45 * These character classification macros assume that the (EOF & 0xff) element 46 * of the arrays is always 'NO', as the EOF return from getc() gets masked 47 * to that value. Masking with 0xff has no effect for normal characters 48 * returned by getc() provided chars have 8 bits. 49 */ 50 51 #define iswhite(arg) _wht[arg & 0xff] /* T if char is white */ 52 #define begtoken(arg) _btk[arg & 0xff] /* T if char can start token */ 53 #define intoken(arg) _itk[arg & 0xff] /* T if char can be in token */ 54 #define endtoken(arg) _etk[arg & 0xff] /* T if char ends tokens */ 55 #define isgood(arg) _gd[arg & 0xff] /* T if char can be after ')' */ 56 57 typedef struct nd_st { /* sorting structure */ 58 struct nd_st *left, 59 *right; /* left and right sons */ 60 char *entry, /* function or type name */ 61 *file, /* file name */ 62 *pat; /* search pattern */ 63 int lno; /* for -x option */ 64 bool been_warned; /* set if noticed dup */ 65 } NODE; 66 67 extern char *curfile; /* current input file name */ 68 extern NODE *head; /* head of the sorted binary tree */ 69 extern FILE *inf; /* ioptr for current input file */ 70 extern FILE *outf; /* ioptr for current output file */ 71 extern long lineftell; /* ftell after getc( inf ) == '\n' */ 72 extern int lineno; /* line number of current line */ 73 extern int dflag; /* -d: non-macro defines */ 74 extern int tflag; /* -t: create tags for typedefs */ 75 extern int vflag; /* -v: vgrind style index output */ 76 extern int wflag; /* -w: suppress warnings */ 77 extern int xflag; /* -x: cxref style output */ 78 extern bool _wht[], _etk[], _itk[], _btk[], _gd[]; 79 extern char lbuf[LINE_MAX]; 80 extern char *lbp; 81 extern char searchar; /* ex search character */ 82 83 extern bool cicmp(const char *); 84 extern void get_line(void); 85 extern void pfnote(const char *, int); 86 extern bool skip_key(int); 87 extern void put_entries(NODE *); 88 extern void toss_yysec(void); 89 extern void l_entries(void); 90 extern void y_entries(void); 91 extern bool PF_funcs(void); 92 extern void c_entries(void); 93 extern void skip_comment(int); 94