1 /* $NetBSD: main2.c,v 1.17 2021/04/18 22:51:24 rillig 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 #if HAVE_NBTOOL_CONFIG_H 35 #include "nbtool_config.h" 36 #endif 37 38 #include <sys/cdefs.h> 39 #if defined(__RCSID) && !defined(lint) 40 __RCSID("$NetBSD: main2.c,v 1.17 2021/04/18 22:51:24 rillig Exp $"); 41 #endif 42 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <string.h> 46 #include <unistd.h> 47 48 #include "lint2.h" 49 50 /* warnings for symbols which are declared but not defined or used */ 51 bool xflag; 52 53 /* 54 * warnings for symbols which are used and not defined or defined 55 * and not used 56 */ 57 bool uflag = true; 58 59 /* Create a lint library in the current directory with name libname. */ 60 bool Cflag; 61 const char *libname; 62 63 bool pflag; 64 65 /* 66 * warnings for (tentative) definitions of the same name in more than 67 * one translation unit 68 */ 69 bool sflag; 70 71 bool Tflag; 72 bool tflag; 73 74 /* 75 * If a complaint stems from a included file, print the name of the included 76 * file instead of the name specified at the command line followed by '?' 77 */ 78 bool Hflag; 79 80 bool hflag; 81 82 /* Print full path names, not only the last component */ 83 bool Fflag; 84 85 /* 86 * List of libraries (from -l flag). These libraries are read after all 87 * other input files has been read and, for Cflag, after the new lint library 88 * has been written. 89 */ 90 const char **libs; 91 92 static void usage(void) __attribute__((noreturn)); 93 94 int 95 main(int argc, char *argv[]) 96 { 97 int c, i; 98 size_t len; 99 char *lname; 100 101 libs = xcalloc(1, sizeof(*libs)); 102 103 opterr = 0; 104 while ((c = getopt(argc, argv, "hpstxuC:HTFl:")) != -1) { 105 switch (c) { 106 case 's': 107 sflag = true; 108 break; 109 case 'T': 110 Tflag = true; 111 break; 112 case 't': 113 tflag = true; 114 break; 115 case 'u': 116 uflag = false; 117 break; 118 case 'x': 119 xflag = true; 120 break; 121 case 'p': 122 pflag = true; 123 break; 124 case 'C': 125 len = strlen(optarg); 126 lname = xmalloc(len + 10); 127 (void)sprintf(lname, "llib-l%s.ln", optarg); 128 libname = lname; 129 Cflag = true; 130 uflag = false; 131 break; 132 case 'H': 133 Hflag = true; 134 break; 135 case 'h': 136 hflag = true; 137 break; 138 case 'F': 139 Fflag = true; 140 break; 141 case 'l': 142 for (i = 0; libs[i] != NULL; i++) 143 continue; 144 libs = xrealloc(libs, (i + 2) * sizeof(*libs)); 145 libs[i] = xstrdup(optarg); 146 libs[i + 1] = NULL; 147 break; 148 default: 149 usage(); 150 } 151 } 152 153 argc -= optind; 154 argv += optind; 155 156 if (argc == 0) 157 usage(); 158 159 initmem(); 160 161 /* initialize hash table */ 162 inithash(); 163 164 inittyp(); 165 166 for (i = 0; i < argc; i++) 167 readfile(argv[i]); 168 169 /* write the lint library */ 170 if (Cflag) { 171 forall(mkstatic); 172 outlib(libname); 173 } 174 175 /* read additional libraries */ 176 for (i = 0; libs[i] != NULL; i++) 177 readfile(libs[i]); 178 179 forall(mkstatic); 180 181 mainused(); 182 183 /* perform all tests */ 184 forall(chkname); 185 186 exit(0); 187 /* NOTREACHED */ 188 } 189 190 static void 191 usage(void) 192 { 193 (void)fprintf(stderr, 194 "usage: lint2 -hpstxuHFT -Clib -l lib ... src1 ...\n"); 195 exit(1); 196 } 197