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grovel_headers.c    144 lines (129 with data), 4.7 kB

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/*
* Rummage through the system header files using the C compiler itself
* as a parser, extracting stuff like preprocessor constants and the
* sizes and signedness of basic system types, and write it out as
* Lisp code.
*/
/*
* This software is part of the SBCL system. See the README file for
* more information.
*
* While most of SBCL is derived from the CMU CL system, many
* utilities for the build process (like this one) were written from
* scratch after the fork from CMU CL.
*
* This software is in the public domain and is provided with
* absolutely no warranty. See the COPYING and CREDITS files for
* more information.
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/times.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/ioctl.h>
#include <sys/termios.h>
#include <fcntl.h>
#include <unistd.h>
#define DEFTYPE(lispname,cname) { cname foo; \
printf("(define-alien-type " lispname " (%s %d))\n", (((foo=-1)<0) ? "sb!alien:signed" : "unsigned"), (8 * (sizeof foo))); }
void
defconstant(char* lisp_name, long unix_number)
{
printf("(defconstant %s %ld) ; #x%lx\n",
lisp_name, unix_number, unix_number);
}
int
main(int argc, char *argv[])
{
/* don't need no steenking command line arguments */
if (1 != argc) {
fprintf(stderr, "argh! command line argument(s)\n");
exit(1);
}
/* don't need no steenking hand-editing */
printf(
";;;; This is an automatically generated file, please do not hand-edit it.\n\
;;;; See the program \"grovel_headers.c\".\n\
\n\
");
printf("(in-package \"SB!UNIX\")\n\n");
printf(";;; types, types, types\n");
DEFTYPE("clock-t", clock_t);
DEFTYPE("dev-t", dev_t);
DEFTYPE("gid-t", gid_t);
DEFTYPE("ino-t", ino_t);
DEFTYPE("mode-t", mode_t);
DEFTYPE("nlink-t", nlink_t);
DEFTYPE("off-t", off_t);
DEFTYPE("size-t", size_t);
DEFTYPE("time-t", time_t);
DEFTYPE("uid-t", uid_t);
printf("\n");
printf(";;; fcntl.h (or unistd.h on OpenBSD)\n");
defconstant("r_ok", R_OK);
defconstant("w_ok", W_OK);
defconstant("x_ok", X_OK);
defconstant("f_ok", F_OK);
printf("\n");
printf(";;; fcntlbits.h\n");
defconstant("o_rdonly", O_RDONLY);
defconstant("o_wronly", O_WRONLY);
defconstant("o_rdwr", O_RDWR);
defconstant("o_accmode", O_ACCMODE);
defconstant("o_creat", O_CREAT);
defconstant("o_excl", O_EXCL);
defconstant("o_noctty", O_NOCTTY);
defconstant("o_trunc", O_TRUNC);
defconstant("o_append", O_APPEND);
printf(";;;\n");
defconstant("s-ifmt", S_IFMT);
defconstant("s-ififo", S_IFIFO);
defconstant("s-ifchr", S_IFCHR);
defconstant("s-ifdir", S_IFDIR);
defconstant("s-ifblk", S_IFBLK);
defconstant("s-ifreg", S_IFREG);
printf("\n");
defconstant("s-iflnk", S_IFLNK);
defconstant("s-ifsock", S_IFSOCK);
printf("\n");
printf(";;; for wait3(2) in run-program.lisp\n");
defconstant("wnohang", WNOHANG);
defconstant("wuntraced", WUNTRACED);
printf("\n");
printf(";;; various ioctl(2) flags\n");
defconstant("tiocnotty", TIOCNOTTY);
defconstant("tiocgwinsz", TIOCGWINSZ);
defconstant("tiocswinsz", TIOCSWINSZ);
defconstant("tiocgpgrp", TIOCGPGRP);
defconstant("tiocspgrp", TIOCSPGRP);
/* KLUDGE: These are referenced by old CMUCL-derived code, but
* Linux doesn't define them.
*
* I think these are the BSD names, but I don't know what the
* corresponding SysV/Linux names are. As a point of reference,
* CMUCL doesn't have these defined either (although the defining
* forms *do* exist in src/code/unix.lisp), so I don't feel nearly
* so bad about not hunting them down. Insight into renamed
* obscure ioctl(2) flags appreciated. --njf, 2002-08-26
*
* I note that the first one I grepped for, TIOCSIGSEND, is
* referenced in SBCL conditional on #+HPUX. Maybe the porters of
* Oxbridge know more about things like that? And even if they
* don't, one benefit of the Rhodes crusade to heal the worthy
* ports should be that afterwards, if we grep for something like
* this in CVS and it's not there, we can lightheartedly nuke it.
* -- WHN 2002-08-30 */
/*
defconstant("tiocsigsend", TIOCSIGSEND);
defconstant("tiocflush", TIOCFLUSH);
defconstant("tiocgetp", TIOCGETP);
defconstant("tiocsetp", TIOCSETP);
defconstant("tiocgetc", TIOCGETC);
defconstant("tiocsetc", TIOCSETC);
defconstant("tiocgltc", TIOCGLTC);
defconstant("tiocsltc", TIOCSLTC);
*/
printf("\n");
return 0;
}