1 /* $NetBSD: main2.c,v 1.9 2016/09/05 00:40:30 sevan 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 1.9 2016/09/05 00:40:30 sevan 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 int xflag; 52 53 /* 54 * warnings for symbols which are used and not defined or defined 55 * and not used 56 */ 57 int uflag = 1; 58 59 /* Create a lint library in the current directory with name libname. */ 60 int Cflag; 61 const char *libname; 62 63 int pflag; 64 65 /* 66 * warnings for (tentative) definitions of the same name in more than 67 * one translation unit 68 */ 69 int sflag; 70 71 int tflag; 72 73 /* 74 * If a complaint stems from a included file, print the name of the included 75 * file instead of the name spezified at the command line followed by '?' 76 */ 77 int Hflag; 78 79 int hflag; 80 81 /* Print full path names, not only the last component */ 82 int Fflag; 83 84 /* 85 * List of libraries (from -l flag). These libraries are read after all 86 * other input files has been read and, for Cflag, after the new lint library 87 * has been written. 88 */ 89 const char **libs; 90 91 static void usage(void); 92 93 int 94 main(int argc, char *argv[]) 95 { 96 int c, i; 97 size_t len; 98 char *lname; 99 100 libs = xcalloc(1, sizeof (char *)); 101 102 opterr = 0; 103 while ((c = getopt(argc, argv, "hpstxuC:HFl:")) != -1) { 104 switch (c) { 105 case 's': 106 sflag = 1; 107 break; 108 case 't': 109 tflag = 1; 110 break; 111 case 'u': 112 uflag = 0; 113 break; 114 case 'x': 115 xflag = 1; 116 break; 117 case 'p': 118 pflag = 1; 119 break; 120 case 'C': 121 len = strlen(optarg); 122 lname = xmalloc(len + 10); 123 (void)sprintf(lname, "llib-l%s.ln", optarg); 124 libname = lname; 125 Cflag = 1; 126 uflag = 0; 127 break; 128 case 'H': 129 Hflag = 1; 130 break; 131 case 'h': 132 hflag++; 133 break; 134 case 'F': 135 Fflag = 1; 136 break; 137 case 'l': 138 for (i = 0; libs[i] != NULL; i++) 139 continue; 140 libs = xrealloc(libs, (i + 2) * sizeof (char *)); 141 libs[i] = xstrdup(optarg); 142 libs[i + 1] = NULL; 143 break; 144 case '?': 145 usage(); 146 } 147 } 148 149 argc -= optind; 150 argv += optind; 151 152 if (argc == 0) 153 usage(); 154 155 initmem(); 156 157 /* initialize hash table */ 158 inithash(); 159 160 inittyp(); 161 162 for (i = 0; i < argc; i++) 163 readfile(argv[i]); 164 165 /* write the lint library */ 166 if (Cflag) { 167 forall(mkstatic); 168 outlib(libname); 169 } 170 171 /* read additional libraries */ 172 for (i = 0; libs[i] != NULL; i++) 173 readfile(libs[i]); 174 175 forall(mkstatic); 176 177 mainused(); 178 179 /* perform all tests */ 180 forall(chkname); 181 182 exit(0); 183 /* NOTREACHED */ 184 } 185 186 static void 187 usage(void) 188 { 189 (void)fprintf(stderr, 190 "usage: lint2 -hpstxuHF -Clib -l lib ... src1 ...\n"); 191 exit(1); 192 } 193