NetBSD/usr.sbin/config/main.c

326 lines
7.0 KiB
C

/*
* Copyright (c) 1980 Regents of the University of California.
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*/
#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[] = "from: @(#)main.c 5.17 (Berkeley) 7/1/91";*/
static char rcsid[] = "$Id: main.c,v 1.7 1993/10/14 01:22:31 deraadt Exp $";
#endif /* not lint */
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/file.h>
#include <stdio.h>
#include <ctype.h>
#include "y.tab.h"
#include "config.h"
static char *PREFIX;
/*
* Config builds a set of files for building a UNIX
* system given a description of the desired system.
*/
main(argc, argv)
int argc;
char **argv;
{
extern char *optarg;
extern int optind;
struct stat buf;
int ch;
char *p;
fatal_errors =1;
while ((ch = getopt(argc, argv, "gpk")) != EOF)
switch (ch) {
case 'g':
debugging++;
break;
case 'p':
profiling++;
break;
case 'k':
fatal_errors=0;
break;
case '?':
default:
goto usage;
}
argc -= optind;
argv += optind;
if (argc != 1) {
usage: fputs("usage: config [-gkp] sysname\n", stderr);
exit(1);
}
if (freopen(PREFIX = *argv, "r", stdin) == NULL) {
perror(PREFIX);
exit(2);
}
if (stat(p = path((char *)NULL), &buf)) {
if (mkdir(p, 0777)) {
perror(p);
exit(2);
}
}
else if ((buf.st_mode & S_IFMT) != S_IFDIR) {
fprintf(stderr, "config: %s isn't a directory.\n", p);
exit(2);
}
loadaddress = -1;
dtab = NULL;
confp = &conf_list;
if (yyparse())
exit(3);
switch (machine) {
case MACHINE_VAX:
vax_ioconf(); /* Print ioconf.c */
ubglue(); /* Create ubglue.s */
break;
case MACHINE_TAHOE:
tahoe_ioconf();
vbglue();
break;
case MACHINE_HP300:
hp300_ioconf();
hpglue();
break;
case MACHINE_I386:
i386_ioconf(); /* Print ioconf.c */
vector(); /* Create vector.s */
break;
case MACHINE_PC532:
pc532_ioconf(); /* Print ioconf.c */
break;
case MACHINE_PMAX:
pmax_ioconf();
break;
default:
printf("Specify machine type, e.g. ``machine vax''\n");
exit(1);
}
/*
* make symbolic links in compilation directory
* for "sys" (to make genassym.c work along with #include <sys/xxx>)
* and similarly for "machine".
*/
{
char xxx[80];
#ifndef NO_SYMLINK
(void) sprintf(xxx, "../../include", machinename);
(void) symlink(xxx, path("machine"));
#else
sprintf (xxx, "/bin/rm -rf %s; /bin/cp -r ../include %s",
path("machine"), path("machine"));
system (xxx);
#endif
}
makefile(); /* build Makefile */
headers(); /* make a lot of .h files */
swapconf(); /* swap config files */
printf("Don't forget to run \"make depend\"\n");
exit(0);
}
#define is_paren(x) ((x == '(') || (x == ')'))
#define is_comment(x) (x == '#')
/*
* get_word
* returns EOF on end of file
* NULL on end of line
* pointer to the word otherwise
*/
char *
get_word(fp)
register FILE *fp;
{
static char line[80];
register int ch;
register char *cp;
while ((ch = getc(fp)) != EOF)
if (ch != ' ' && ch != '\t')
break;
if (ch == EOF)
return ((char *)EOF);
if (ch == '\n')
return (NULL);
if (is_paren(ch)) {
line[0] = ch;
line[1] = '\0';
return line;
}
if (is_comment(ch)) {
while ((ch = getc(fp)) != EOF)
if (ch == '\n')
break;
if (ch == EOF) return ((char *)EOF);
else return NULL;
}
cp = line;
*cp++ = ch;
while ((ch = getc(fp)) != EOF) {
if (isspace(ch) || is_paren(ch))
break;
*cp++ = ch;
}
*cp = 0;
if (ch == EOF)
return ((char *)EOF);
(void) ungetc(ch, fp);
return (line);
}
/*
* get_rword
* returns EOF on end of file
* NULL on end of line
* pointer to the word otherwise
*/
char *
get_rword(fp)
register FILE *fp;
{
static char line[80];
register int ch;
register char *cp;
while ((ch = getc(fp)) != EOF)
if (ch != ' ' && ch != '\t')
break;
if (ch == EOF)
return ((char *)EOF);
if (ch == '\n')
return (NULL);
cp = line;
*cp++ = ch;
while ((ch = getc(fp)) != EOF) {
if (isspace(ch) || is_paren(ch))
break;
*cp++ = ch;
}
*cp = 0;
if (ch == EOF)
return ((char *)EOF);
(void) ungetc(ch, fp);
return (line);
}
/*
* get_quoted_word
* like get_word but will accept something in double or single quotes
* (to allow embedded spaces).
*/
char *
get_quoted_word(fp)
register FILE *fp;
{
static char line[256];
register int ch;
register char *cp;
while ((ch = getc(fp)) != EOF)
if (ch != ' ' && ch != '\t')
break;
if (ch == EOF)
return ((char *)EOF);
if (ch == '\n')
return (NULL);
cp = line;
if (ch == '"' || ch == '\'') {
register int quote = ch;
while ((ch = getc(fp)) != EOF) {
if (ch == quote)
break;
if (ch == '\n') {
*cp = 0;
printf("config: missing quote reading `%s'\n",
line);
exit(2);
}
*cp++ = ch;
}
} else {
*cp++ = ch;
while ((ch = getc(fp)) != EOF) {
if (isspace(ch))
break;
*cp++ = ch;
}
if (ch != EOF)
(void) ungetc(ch, fp);
}
*cp = 0;
if (ch == EOF)
return ((char *)EOF);
return (line);
}
/*
* prepend the path to a filename
*/
char *
path(file)
char *file;
{
register char *cp;
#define CDIR "../compile/"
cp = malloc((unsigned int)(sizeof(CDIR) + strlen(PREFIX) +
(file ? strlen(file) : 0) + 2));
(void) strcpy(cp, CDIR);
(void) strcat(cp, PREFIX);
if (file) {
(void) strcat(cp, "/");
(void) strcat(cp, file);
}
return (cp);
}