main2.c revision 91587 
1/*	$NetBSD: main2.c,v 1.5 2001/11/21 19:14:26 wiz 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: main2.c,v 1.5 2001/11/21 19:14:26 wiz Exp $");
37#endif
38
39#include <stdio.h>
40#include <stdlib.h>
41#include <string.h>
42#include <unistd.h>
43
44#include "lint2.h"
45
46/* warnings for symbols which are declared but not defined or used */
47int	xflag;
48
49/*
50 * warnings for symbols which are used and not defined or defined
51 * and not used
52 */
53int	uflag = 1;
54
55/* Create a lint library in the current directory with name libname. */
56int	Cflag;
57const	char *libname;
58
59int	pflag;
60
61/*
62 * warnings for (tentative) definitions of the same name in more than
63 * one translation unit
64 */
65int	sflag;
66
67int	tflag;
68
69/*
70 * If a complaint stems from a included file, print the name of the included
71 * file instead of the name spezified at the command line followed by '?'
72 */
73int	Hflag;
74
75int	hflag;
76
77/* Print full path names, not only the last component */
78int	Fflag;
79
80/*
81 * List of libraries (from -l flag). These libraries are read after all
82 * other input files has been read and, for Cflag, after the new lint library
83 * has been written.
84 */
85const	char	**libs;
86
87static	void	usage(void);
88
89int main(int, char *[]);
90
91int
92main(int argc, 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				continue;
138			libs = xrealloc(libs, (i + 2) * sizeof (char *));
139			libs[i] = xstrdup(optarg);
140			libs[i + 1] = NULL;
141			break;
142		case '?':
143			usage();
144		}
145	}
146
147	argc -= optind;
148	argv += optind;
149
150	if (argc == 0)
151		usage();
152
153	initmem();
154
155	/* initialize hash table */
156	inithash();
157
158	inittyp();
159
160	for (i = 0; i < argc; i++)
161		readfile(argv[i]);
162
163	/* write the lint library */
164	if (Cflag) {
165		forall(mkstatic);
166		outlib(libname);
167	}
168
169	/* read additional libraries */
170	for (i = 0; libs[i] != NULL; i++)
171		readfile(libs[i]);
172
173	forall(mkstatic);
174
175	mainused();
176
177	/* perform all tests */
178	forall(chkname);
179
180	exit(0);
181	/* NOTREACHED */
182}
183
184static void
185usage(void)
186{
187	(void)fprintf(stderr,
188		      "usage: lint2 -hpstxuHF -Clib -l lib ... src1 ...\n");
189	exit(1);
190}
191