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/*-
* Copyright (c) 2002 Tim J. Robbins.
* All rights reserved.
*
* 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 AND CONTRIBUTORS ``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.
*/
/*
* c99 -- compile standard C programs
*
* This is essentially a wrapper around the system C compiler that forces
* the compiler into C99 mode and handles some of the standard libraries
* specially.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
static char **args;
static u_int cargs, nargs;
static void addarg(const char *);
static void addlib(const char *);
static void usage(void);
int
main(int argc, char *argv[])
{
int ch, i;
args = NULL;
cargs = nargs = 0;
while ((ch = getopt(argc, argv, "cD:EgI:L:o:O:sU:l:")) != -1) {
if (ch == 'l') {
/* Gone too far. Back up and get out. */
if (argv[optind - 1][0] == '-')
optind -= 1;
else
optind -= 2;
break;
} else if (ch == '?')
usage();
}
addarg("/usr/bin/cc");
addarg("-std=iso9899:1999");
addarg("-pedantic");
for (i = 1; i < optind; i++)
addarg(argv[i]);
while (i < argc) {
if (strncmp(argv[i], "-l", 2) == 0) {
if (argv[i][2] != '\0')
addlib(argv[i++] + 2);
else {
if (argv[++i] == NULL)
usage();
addlib(argv[i++]);
}
} else
addarg(argv[i++]);
}
execv("/usr/bin/cc", args);
err(1, "/usr/bin/cc");
}
static void
addarg(const char *item)
{
if (nargs + 1 >= cargs) {
cargs += 16;
if ((args = realloc(args, sizeof(*args) * cargs)) == NULL)
err(1, "malloc");
}
if ((args[nargs++] = strdup(item)) == NULL)
err(1, "strdup");
args[nargs] = NULL;
}
static void
addlib(const char *lib)
{
if (strcmp(lib, "pthread") == 0)
/* FreeBSD's gcc uses -pthread instead of -lpthread. */
addarg("-pthread");
else if (strcmp(lib, "rt") == 0)
/* librt functionality is in libc or unimplemented. */
;
else if (strcmp(lib, "xnet") == 0)
/* xnet functionality is in libc. */
;
else {
addarg("-l");
addarg(lib);
}
}
static void
usage(void)
{
(void)fprintf(stderr, "%s\n%s\n",
"usage: c99 [-cEgs] [-D name[=value]] ... [-I directory] ... [-L directory] ...",
" [-o outfile] [-O optlevel] [-U name] ... operand ...");
exit(1);
}
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