1/* $NetBSD: main1.c,v 1.11 2002/01/29 02:43:38 tv Exp $ */ 2 3/* 4 * Copyright (c) 1994, 1995 Jochen Pohl 5 * 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Jochen Pohl for 18 * The NetBSD Project. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> 35#if defined(__RCSID) && !defined(lint) 36__RCSID("$NetBSD: main1.c,v 1.11 2002/01/29 02:43:38 tv Exp $"); 37#endif 38__FBSDID("$FreeBSD$"); 39 40#include <sys/types.h> 41#include <stdio.h> 42#include <string.h> 43#include <stdlib.h> 44#include <unistd.h> 45#include <err.h> 46#include <errno.h> 47#include <limits.h> 48 49#include "lint1.h" 50 51/* set yydebug to 1*/ 52int yflag; 53 54/* 55 * Print warnings if an assignment of an integertype to another integertype 56 * causes an implizit narrowing conversion. If aflag is 1, these warnings 57 * are printed only if the source type is at least as wide as long. If aflag 58 * is greater than 1, they are always printed. 59 */ 60int aflag; 61 62/* Print a warning if a break statement cannot be reached. */ 63int bflag; 64 65/* Print warnings for pointer casts. */ 66int cflag; 67 68/* Print various debug information. */ 69int dflag; 70 71/* Perform stricter checking of enum types and operations on enum types. */ 72int eflag; 73 74/* Print complete pathnames, not only the basename. */ 75int Fflag; 76 77/* Enable some extensions of gcc */ 78int gflag; 79 80/* Treat warnings as errors */ 81int wflag; 82 83/* 84 * Apply a number of heuristic tests to attempt to intuit bugs, improve 85 * style, and reduce waste. 86 */ 87int hflag; 88 89/* Attempt to check portability to other dialects of C. */ 90int pflag; 91 92/* 93 * In case of redeclarations/redefinitions print the location of the 94 * previous declaration/definition. 95 */ 96int rflag; 97 98/* Strict ANSI C mode. */ 99int sflag; 100 101/* Traditional C mode. */ 102int tflag; 103 104/* 105 * Complain about functions and external variables used and not defined, 106 * or defined and not used. 107 */ 108int uflag = 1; 109 110/* Complain about unused function arguments. */ 111int vflag = 1; 112 113/* Complain about structures which are never defined. */ 114int zflag = 1; 115 116err_set msgset; 117 118static void usage(void); 119 120int main(int, char *[]); 121 122int 123main(int argc, char *argv[]) 124{ 125 int c; 126 char *ptr; 127 128 ERR_ZERO(&msgset); 129 while ((c = getopt(argc, argv, "abcdeghmprstuvwyzFX:")) != -1) { 130 switch (c) { 131 case 'a': aflag++; break; 132 case 'b': bflag = 1; break; 133 case 'c': cflag = 1; break; 134 case 'd': dflag = 1; break; 135 case 'e': eflag = 1; break; 136 case 'F': Fflag = 1; break; 137 case 'g': gflag = 1; break; 138 case 'h': hflag = 1; break; 139 case 'p': pflag = 1; break; 140 case 'r': rflag = 1; break; 141 case 's': sflag = 1; break; 142 case 't': tflag = 1; break; 143 case 'u': uflag = 0; break; 144 case 'w': wflag = 1; break; 145 case 'v': vflag = 0; break; 146 case 'y': yflag = 1; break; 147 case 'z': zflag = 0; break; 148 149 case 'm': 150 msglist(); 151 return(0); 152 153 case 'X': 154 for (ptr = strtok(optarg, ","); ptr; 155 ptr = strtok(NULL, ",")) { 156 char *eptr; 157 long msg = strtol(ptr, &eptr, 0); 158 if ((msg == LONG_MIN || msg == LONG_MAX) && 159 errno == ERANGE) 160 err(1, "invalid error message id '%s'", 161 ptr); 162 if (*eptr || ptr == eptr || msg < 0 || 163 msg >= ERR_SETSIZE) 164 errx(1, "invalid error message id '%s'", 165 ptr); 166 ERR_SET(msg, &msgset); 167 } 168 break; 169 case '?': 170 default: 171 usage(); 172 break; 173 } 174 } 175 argc -= optind; 176 argv += optind; 177 178 if (argc != 2) 179 usage(); 180 181 /* open the input file */ 182 if ((yyin = fopen(argv[0], "r")) == NULL) 183 err(1, "cannot open '%s'", argv[0]); 184 185 /* initialize output */ 186 outopen(argv[1]); 187 188 if (yflag) 189 yydebug = 1; 190 191 initmem(); 192 initdecl(); 193 initscan(); 194 initmtab(); 195 196 yyparse(); 197 198 /* Following warnings cannot be suppressed by LINTED */ 199 nowarn = 0; 200 201 chkglsyms(); 202 203 outclose(); 204 205 return (nerr != 0); 206} 207 208static void 209usage(void) 210{ 211 (void)fprintf(stderr, 212 "usage: lint1 [-abcdeghmprstuvwyzF] [-X <id>[,<id>]... src dest\n"); 213 exit(1); 214} 215 216void 217norecover(void) 218{ 219 /* cannot recover from previous errors */ 220 error(224); 221 exit(1); 222} 223