main2.c revision 12099 
1/*	$NetBSD: main2.c,v 1.2 1995/07/03 21:24:53 cgd 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#ifndef lint
35static char rcsid[] = "$NetBSD: main2.c,v 1.2 1995/07/03 21:24:53 cgd Exp $";
36#endif
37
38#include <stdio.h>
39#include <stdlib.h>
40#include <string.h>
41#include <unistd.h>
42
43#include "lint2.h"
44
45/* warnings for symbols which are declared but not defined or used */
46int	xflag;
47
48/*
49 * warnings for symbols which are used and not defined or defined
50 * and not used
51 */
52int	uflag = 1;
53
54/* Create a lint library in the current directory with name libname. */
55int	Cflag;
56const	char *libname;
57
58int	pflag;
59
60/*
61 * warnings for (tentative) definitions of the same name in more then
62 * one translation unit
63 */
64int	sflag;
65
66int	tflag;
67
68/*
69 * If a complaint stems from a included file, print the name of the included
70 * file instead of the name spezified at the command line followed by '?'
71 */
72int	Hflag;
73
74int	hflag;
75
76/* Print full path names, not only the last component */
77int	Fflag;
78
79/*
80 * List of libraries (from -l flag). These libraries are read after all
81 * other input files has been read and, for Cflag, after the new lint library
82 * has been written.
83 */
84const	char	**libs;
85
86static	void	usage __P((void));
87
88
89int
90main(argc, argv)
91	int	argc;
92	char	*argv[];
93{
94	int	c, i;
95	size_t	len;
96	char	*lname;
97
98	libs = xcalloc(1, sizeof (char *));
99
100	opterr = 0;
101	while ((c = getopt(argc, argv, "hpstxuC:HFl:")) != -1) {
102		switch (c) {
103		case 's':
104			sflag = 1;
105			break;
106		case 't':
107			tflag = 1;
108			break;
109		case 'u':
110			uflag = 0;
111			break;
112		case 'x':
113			xflag = 1;
114			break;
115		case 'p':
116			pflag = 1;
117			break;
118		case 'C':
119			len = strlen(optarg);
120			lname = xmalloc(len + 10);
121			(void)sprintf(lname, "llib-l%s.ln", optarg);
122			libname = lname;
123			Cflag = 1;
124			uflag = 0;
125			break;
126		case 'H':
127			Hflag = 1;
128			break;
129		case 'h':
130			hflag = 1;
131			break;
132		case 'F':
133			Fflag = 1;
134			break;
135		case 'l':
136			for (i = 0; libs[i] != NULL; i++) ;
137			libs = xrealloc(libs, (i + 2) * sizeof (char *));
138			libs[i] = xstrdup(optarg);
139			libs[i + 1] = NULL;
140			break;
141		case '?':
142			usage();
143		}
144	}
145
146	argc -= optind;
147	argv += optind;
148
149	if (argc == 0)
150		usage();
151
152	initmem();
153
154	/* initialize hash table */
155	inithash();
156
157	inittyp();
158
159	for (i = 0; i < argc; i++)
160		readfile(argv[i]);
161
162	/* write the lint library */
163	if (Cflag) {
164		forall(mkstatic);
165		outlib(libname);
166	}
167
168	/* read additional libraries */
169	for (i = 0; libs[i] != NULL; i++)
170		readfile(libs[i]);
171
172	forall(mkstatic);
173
174	mainused();
175
176	/* perform all tests */
177	forall(chkname);
178
179	exit(0);
180	/* NOTREACHED */
181}
182
183static void
184usage()
185{
186	(void)fprintf(stderr,
187		      "usage: lint2 -hpstxuHF -Clib -l lib ... src1 ...\n");
188	exit(1);
189}
190
191