usr.bin/xlint/lint2/main2.c

   1 /*      $NetBSD: main2.c,v 1.6 2002/01/31 19:36:55 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 #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 1.6 2002/01/31 19:36:55 tv 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 main(int, char *[]);
  94
  95 int
  96 main(int argc, char *argv[])
  97 {
  98         int     c, i;
  99         size_t  len;
 100         char    *lname;
 101
 102         libs = xcalloc(1, sizeof (char *));
 103
 104         opterr = 0;
 105         while ((c = getopt(argc, argv, "hpstxuC:HFl:")) != -1) {
 106                 switch (c) {
 107                 case 's':
 108                         sflag = 1;
 109                         break;
 110                 case 't':
 111                         tflag = 1;
 112                         break;
 113                 case 'u':
 114                         uflag = 0;
 115                         break;
 116                 case 'x':
 117                         xflag = 1;
 118                         break;
 119                 case 'p':
 120                         pflag = 1;
 121                         break;
 122                 case 'C':
 123                         len = strlen(optarg);
 124                         lname = xmalloc(len + 10);
 125                         (void)sprintf(lname, "llib-l%s.ln", optarg);
 126                         libname = lname;
 127                         Cflag = 1;
 128                         uflag = 0;
 129                         break;
 130                 case 'H':
 131                         Hflag = 1;
 132                         break;
 133                 case 'h':
 134                         hflag = 1;
 135                         break;
 136                 case 'F':
 137                         Fflag = 1;
 138                         break;
 139                 case 'l':
 140                         for (i = 0; libs[i] != NULL; i++)
 141                                 continue;
 142                         libs = xrealloc(libs, (i + 2) * sizeof (char *));
 143                         libs[i] = xstrdup(optarg);
 144                         libs[i + 1] = NULL;
 145                         break;
 146                 case '?':
 147                         usage();
 148                 }
 149         }
 150
 151         argc -= optind;
 152         argv += optind;
 153
 154         if (argc == 0)
 155                 usage();
 156
 157         initmem();
 158
 159         /* initialize hash table */
 160         inithash();
 161
 162         inittyp();
 163
 164         for (i = 0; i < argc; i++)
 165                 readfile(argv[i]);
 166
 167         /* write the lint library */
 168         if (Cflag) {
 169                 forall(mkstatic);
 170                 outlib(libname);
 171         }
 172
 173         /* read additional libraries */
 174         for (i = 0; libs[i] != NULL; i++)
 175                 readfile(libs[i]);
 176
 177         forall(mkstatic);
 178
 179         mainused();
 180
 181         /* perform all tests */
 182         forall(chkname);
 183
 184         exit(0);
 185         /* NOTREACHED */
 186 }
 187
 188 static void
 189 usage(void)
 190 {
 191         (void)fprintf(stderr,
 192                       "usage: lint2 -hpstxuHF -Clib -l lib ... src1 ...\n");
 193         exit(1);
 194 }