/*- * This is the Posix.2 mandated C compiler. Basically, a hook to the * cc(1) command. * * Copyright (c) 2001 by Jens Schweikhardt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: src/usr.bin/c89/c89.c,v 1.5 2005/05/21 09:55:04 ru Exp $ * $DragonFly: src/usr.bin/c89/c89.c,v 1.5 2008/05/25 08:18:26 swildner Exp $ */ #include #include #include #include #include #include #define CC "/usr/bin/cc" /* The big kahuna doing the actual work. */ #define N_ARGS_PREPENDED NELEM(args_prepended) /* * We do not add -D_POSIX_SOURCE here because any POSIX source is supposed to * define it before inclusion of POSIX headers. This has the additional * benefit of making c89 -D_ANSI_SOURCE do the right thing (or any other * -D_FOO_SOURCE feature test macro we support.) */ static const char *args_prepended[] = { "cc", "-std=iso9899:199409", "-pedantic" }; static void usage(void); /* * Prepend the strings from args_prepended[] to the arg list; parse options, * accepting only the POSIX c89 mandated options. Then exec cc to do the * actual work. */ int main(int argc, char **argv) { int Argc, i; const char **Argv; Argc = 0; Argv = malloc((argc + 1 + N_ARGS_PREPENDED) * sizeof *Argv); if (Argv == NULL) err(1, "malloc"); for (i = 0; i < (int)N_ARGS_PREPENDED; ++i) Argv[Argc++] = args_prepended[i]; while ((i = getopt(argc, argv, "cD:EgI:l:L:o:OsU:")) != -1) { if (i == '?') usage(); if (i == 'l') { if (argv[optind - 1][0] == '-') /* -llib */ optind -= 1; else /* -l lib */ optind -= 2; break; /* -llib or -l lib starts the operands. */ } } if (argc == optind) { warnx("missing operand"); usage(); } /* Append argv[1..] at the end of Argv[]. */ for (i = 1; i <= argc; ++i) Argv[Argc++] = argv[i]; execv(CC, __DECONST(char **, Argv)); err(1, "execv(" CC ")"); } static void usage(void) { fprintf(stderr, "usage: c89 [-cEgOs] [-D name[=value]] ... [-I directory] ... [-L directory] ...\n" " [-o outfile] [-U name] ... operand ...\n" "\n" " where operand is one or more of file.c, file.o, file.a\n" " or -llibrary\n"); exit(1); }