diff options
| author | svn2git <svn2git@FreeBSD.org> | 1994-05-01 08:00:00 +0000 |
|---|---|---|
| committer | svn2git <svn2git@FreeBSD.org> | 1994-05-01 08:00:00 +0000 |
| commit | a16f65c7d117419bd266c28a1901ef129a337569 (patch) | |
| tree | 2626602f66dc3551e7a7c7bc9ad763c3bc7ab40a /gnu/usr.bin/groff/libbib/map.c | |
| parent | 8503f4f13f77abf7adc8f7e329c6f9c1d52b6a20 (diff) | |
Release FreeBSD 1.1upstream/1.1.0_cvsrelease/1.1.0_cvs
This commit was manufactured to restore the state of the 1.1-RELEASE image.
Releases prior to 5.3-RELEASE are omitting the secure/ and crypto/ subdirs.
Diffstat (limited to 'gnu/usr.bin/groff/libbib/map.c')
| -rw-r--r-- | gnu/usr.bin/groff/libbib/map.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/gnu/usr.bin/groff/libbib/map.c b/gnu/usr.bin/groff/libbib/map.c new file mode 100644 index 000000000000..9d0f13f89323 --- /dev/null +++ b/gnu/usr.bin/groff/libbib/map.c @@ -0,0 +1,75 @@ +/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc. + Written by James Clark (jjc@jclark.com) + +This file is part of groff. + +groff is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +groff is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License along +with groff; see the file COPYING. If not, write to the Free Software +Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#ifdef HAVE_MMAP + +#include <sys/types.h> +#include <sys/mman.h> + +/* The Net-2 man pages says that a MAP_FILE flag is required. */ +#ifndef MAP_FILE +#define MAP_FILE 0 +#endif + +char *mapread(fd, nbytes) + int fd; + int nbytes; +{ + char *p = (char *)mmap((caddr_t)0, (size_t)nbytes, PROT_READ, + MAP_FILE|MAP_PRIVATE, fd, (off_t)0); + if (p == (char *)-1) + return 0; + /* mmap() shouldn't return 0 since MAP_FIXED wasn't specified. */ + if (p == 0) + abort(); + return p; +} + +int unmap(p, len) + char *p; + int len; +{ + return munmap((caddr_t)p, len); +} + +#else /* not HAVE_MMAP */ + +#include <errno.h> + +#ifndef errno +extern int errno; +#endif + +char *mapread(fd, nbytes) + int fd; + int nbytes; +{ + errno = ENODEV; + return 0; +} + +int unmap(p, len) + char *p; + int len; +{ + errno = EINVAL; + return -1; +} + +#endif /* not HAVE_MMAP */ |
