2 * This is the Posix.2 mandated C compiler. Basically, a hook to the
5 * Copyright (c) 2001 by Jens Schweikhardt
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * $FreeBSD: src/usr.bin/c89/c89.c,v 1.1.2.1 2001/05/22 19:05:01 schweikh Exp $
29 * $DragonFly: src/usr.bin/c89/c89.c,v 1.3 2005/01/16 20:17:28 joerg Exp $
39 #define CC "/usr/bin/cc" /* The big kahuna doing the actual work. */
40 #define N_ARGS_PREPENDED __arysize(args_prepended)
43 * We do not add -D_POSIX_SOURCE here because any POSIX source is supposed to
44 * define it before inclusion of POSIX headers. This has the additional
45 * benefit of making c89 -D_ANSI_SOURCE do the right thing (or any other
46 * -D_FOO_SOURCE feature test macro we support.)
48 static const char *args_prepended
[] = {
49 "-std=iso9899:199409",
53 static void usage(void);
56 * Prepend the strings from args_prepended[] to the arg list; parse options,
57 * accepting only the POSIX c89 mandated options. Then exec cc to do the
61 main(int argc
, char **argv
)
67 Argv
= malloc((argc
+ 1 + N_ARGS_PREPENDED
) * sizeof *Argv
);
70 Argv
[Argc
++] = argv
[0];
71 for (i
= 0; i
< (int)N_ARGS_PREPENDED
; ++i
)
72 Argv
[Argc
++] = args_prepended
[i
];
73 while ((i
= getopt(argc
, argv
, "cD:EgI:l:L:o:OsU:")) != -1) {
77 if (argv
[optind
- 1][0] == '-') /* -llib */
81 break; /* -llib or -l lib starts the operands. */
85 warnx("missing operand");
89 /* Append argv[1..] at the end of Argv[]. */
90 for (i
= 1; i
<= argc
; ++i
)
91 Argv
[Argc
++] = argv
[i
];
92 execv(CC
, __DECONST(char **, Argv
));
93 err(1, "execv(" CC
")");
100 "usage: c89 [-c] [-D name[=value]] [...] [-E] [-g] [-I directory ...]\n"
101 " [-L directory ...] [-o outfile] [-O] [-s] [-U name ...] operand ...\n"
103 " where operand is one or more of file.c, file.o, file.a\n"