1 /*-
2 * Copyright (c) 2002 Tim J. Robbins.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: src/usr.bin/c99/c99.c,v 1.4 2005/05/21 09:55:05 ru Exp $
27 */
28
29 /*
30 * c99 -- compile standard C programs
31 *
32 * This is essentially a wrapper around the system C compiler that forces
33 * the compiler into C99 mode and handles some of the standard libraries
34 * specially.
35 */
36
37 #include <sys/types.h>
38
39 #include <err.h>
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <string.h>
43 #include <unistd.h>
44
45 static char **args;
46 static u_int cargs, nargs;
47
48 static void addarg(const char *);
49 static void addlib(const char *);
50 static void usage(void) __dead2;
51
52 int
main(int argc,char * argv[])53 main(int argc, char *argv[])
54 {
55 int ch, i;
56
57 args = NULL;
58 cargs = nargs = 0;
59
60 while ((ch = getopt(argc, argv, "cD:EgI:L:o:O:sU:l:")) != -1) {
61 if (ch == 'l') {
62 /* Gone too far. Back up and get out. */
63 if (argv[optind - 1][0] == '-')
64 optind -= 1;
65 else
66 optind -= 2;
67 break;
68 } else if (ch == '?')
69 usage();
70 }
71
72 addarg("cc");
73 addarg("-std=iso9899:1999");
74 addarg("-pedantic");
75 for (i = 1; i < optind; i++)
76 addarg(argv[i]);
77 while (i < argc) {
78 if (strncmp(argv[i], "-l", 2) == 0) {
79 if (argv[i][2] != '\0')
80 addlib(argv[i++] + 2);
81 else {
82 if (argv[++i] == NULL)
83 usage();
84 addlib(argv[i++]);
85 }
86 } else
87 addarg(argv[i++]);
88 }
89 execv("/usr/bin/cc", args);
90 err(1, "/usr/bin/cc");
91 }
92
93 static void
addarg(const char * item)94 addarg(const char *item)
95 {
96 if (nargs + 1 >= cargs) {
97 cargs += 16;
98 if ((args = realloc(args, sizeof(*args) * cargs)) == NULL)
99 err(1, "malloc");
100 }
101 if ((args[nargs++] = strdup(item)) == NULL)
102 err(1, "strdup");
103 args[nargs] = NULL;
104 }
105
106 static void
addlib(const char * lib)107 addlib(const char *lib)
108 {
109
110 if (strcmp(lib, "pthread") == 0)
111 /* FreeBSD's gcc uses -pthread instead of -lpthread. */
112 addarg("-pthread");
113 else if (strcmp(lib, "xnet") == 0)
114 /* xnet functionality is in libc. */
115 ;
116 else {
117 addarg("-l");
118 addarg(lib);
119 }
120 }
121
122 static void
usage(void)123 usage(void)
124 {
125 fprintf(stderr, "%s\n%s\n",
126 "usage: c99 [-cEgs] [-D name[=value]] ... [-I directory] ... [-L directory] ...",
127 " [-o outfile] [-O optlevel] [-U name] ... operand ...");
128 exit(1);
129 }
130