/*
* Copyright (c) 1999-2009 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
* Reserved. This file contains Original Code and/or Modifications of
* Original Code as defined in and that are subject to the Apple Public
* Source License Version 1.0 (the 'License'). You may not use this file
* except in compliance with the License. Please obtain a copy of the
* License at http://www.apple.com/publicsource and read it before using
* this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
* License for the specific language governing rights and limitations
* under the License."
*
* @APPLE_LICENSE_HEADER_END@
*/
/*
* Mach Operating System
* Copyright (c) 1990 Carnegie-Mellon University
* Copyright (c) 1989 Carnegie-Mellon University
* Copyright (c) 1988 Carnegie-Mellon University
* Copyright (c) 1987 Carnegie-Mellon University
* All rights reserved. The CMU software License Agreement specifies
* the terms and conditions for use and redistribution.
*/
/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1980 Regents of the University of California.\n\
All rights reserved.\n";
#endif /* not lint */
#ifndef lint
static char sccsid[] __attribute__((used)) = "@(#)main.c 5.9 (Berkeley) 6/18/88";
#endif /* not lint */
#include <stdio.h>
#include <ctype.h>
#include "parser.h"
#include "config.h"
/*
* Config builds a set of files for building a UNIX
* system given a description of the desired system.
*/
int
main(int argc, char *argv[])
{
source_directory = ".."; /* default */
object_directory = "..";
config_directory = (char *) 0;
while ((argc > 1) && (argv[1][0] == '-')) {
char *c;
argv++; argc--;
for (c = &argv[0][1]; *c; c++) {
switch (*c) {
case 'b':
build_directory = argv[1];
goto check_arg;
case 'd':
source_directory = argv[1];
goto check_arg;
case 'o':
object_directory = argv[1];
goto check_arg;
case 'c':
config_directory = argv[1];
check_arg:
if (argv[1] == (char *) 0) {
goto usage_error;
}
argv++; argc--;
break;
case 'p':
profiling++;
break;
default:
goto usage_error;
}
}
}
if (config_directory == (char *) 0) {
config_directory =
malloc((unsigned) strlen(source_directory) + 6);
(void) sprintf(config_directory, "%s/conf", source_directory);
}
if (argc != 2) {
usage_error: ;
fprintf(stderr, "usage: config [ -bcdo dir ] [ -p ] sysname\n");
exit(1);
}
if (!build_directory) {
build_directory = argv[1];
}
if (freopen(argv[1], "r", stdin) == NULL) {
perror(argv[1]);
exit(2);
}
dtab = NULL;
confp = &conf_list;
opt = 0;
if (yyparse()) {
exit(3);
}
mkioconf(); /* ioconf.c */
makefile(); /* build Makefile */
headers(); /* make a lot of .h files */
return 0;
}
/*
* get_word
* returns EOF on end of file
* NULL on end of line
* pointer to the word otherwise
*/
const char *
get_word(FILE *fp)
{
static char line[80];
int ch;
char *cp;
while ((ch = getc(fp)) != EOF) {
if (ch != ' ' && ch != '\t') {
break;
}
}
if (ch == EOF) {
return (char *)EOF;
}
if (ch == '\n') {
return NULL;
}
if (ch == '|') {
return "|";
}
cp = line;
*cp++ = ch;
while ((ch = getc(fp)) != EOF) {
if (isspace(ch)) {
break;
}
*cp++ = ch;
}
*cp = 0;
if (ch == EOF) {
return (char *)EOF;
}
(void) ungetc(ch, fp);
return line;
}
/*
* get_rest
* returns EOF on end of file
* NULL on end of line
* pointer to the word otherwise
*/
char *
get_rest(FILE *fp)
{
static char line[80];
int ch;
char *cp;
cp = line;
while ((ch = getc(fp)) != EOF) {
if (ch == '\n') {
break;
}
*cp++ = ch;
}
*cp = 0;
if (ch == EOF) {
return (char *)EOF;
}
return line;
}
/*
* prepend the path to a filename
*/
char *
path(const char *file)
{
char *cp;
cp = malloc((unsigned)(strlen(build_directory) +
strlen(file) +
strlen(object_directory) +
3));
(void) sprintf(cp, "%s/%s/%s", object_directory, build_directory, file);
return cp;
}