1 /* $NetBSD: main2.c,v 1.35 2023/12/03 18:17:41 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)
40 __RCSID("$NetBSD: main2.c,v 1.35 2023/12/03 18:17:41 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 bool Cflag;
51 bool Fflag;
52 bool Hflag;
53 bool hflag;
54 bool sflag;
55 bool tflag;
56 bool uflag;
57 bool xflag;
58 const char *libname;
59
60 /*
61 * List of libraries (from -l flag). These libraries are read after all
62 * other input files has been read and, for Cflag, after the new lint library
63 * has been written.
64 */
65 static const char **libs;
66
67 static void usage(void) __attribute__((noreturn));
68
69 static void
check_name_non_const(hte_t * hte)70 check_name_non_const(hte_t *hte)
71 {
72 check_name(hte);
73 }
74
75 int
main(int argc,char * argv[])76 main(int argc, char *argv[])
77 {
78 int c, i;
79 size_t len;
80 char *lname;
81
82 libs = xcalloc(1, sizeof(*libs));
83
84 opterr = 0;
85 while ((c = getopt(argc, argv, "hl:stuxC:HF")) != -1) {
86 switch (c) {
87 case 's':
88 sflag = true;
89 break;
90 case 't':
91 tflag = true;
92 break;
93 case 'u':
94 uflag = true;
95 break;
96 case 'x':
97 xflag = true;
98 break;
99 case 'C':
100 len = strlen(optarg);
101 lname = xmalloc(len + 10);
102 (void)snprintf(lname, len + 10, "llib-l%s.ln", optarg);
103 libname = lname;
104 Cflag = true;
105 uflag = true;
106 break;
107 case 'H':
108 Hflag = true;
109 break;
110 case 'h':
111 hflag = true;
112 break;
113 case 'F':
114 Fflag = true;
115 break;
116 case 'l':
117 for (i = 0; libs[i] != NULL; i++)
118 continue;
119 libs = xrealloc(libs, (i + 2) * sizeof(*libs));
120 libs[i] = xstrdup(optarg);
121 libs[i + 1] = NULL;
122 break;
123 default:
124 usage();
125 }
126 }
127
128 argc -= optind;
129 argv += optind;
130
131 if (argc == 0)
132 usage();
133
134 symtab_init();
135
136 for (i = 0; i < argc; i++)
137 readfile(argv[i]);
138
139 /* write the lint library */
140 if (Cflag) {
141 symtab_forall(mkstatic);
142 outlib(libname);
143 }
144
145 /* read additional libraries */
146 for (i = 0; libs[i] != NULL; i++)
147 readfile(libs[i]);
148
149 symtab_forall(mkstatic);
150
151 mark_main_as_used();
152
153 /* perform all tests */
154 symtab_forall_sorted(check_name_non_const);
155
156 return 0;
157 }
158
159 static void
usage(void)160 usage(void)
161 {
162 (void)fprintf(stderr,
163 "usage: %s [-hstuxHF] -Clib -l lib ... src1 ...\n", getprogname());
164 exit(1);
165 }
166