diff options
Diffstat (limited to 'lib/libc/sys')
-rw-r--r-- | lib/libc/sys/Makefile.inc | 4 | ||||
-rw-r--r-- | lib/libc/sys/pread.c | 54 | ||||
-rw-r--r-- | lib/libc/sys/pwrite.c | 54 |
3 files changed, 110 insertions, 2 deletions
diff --git a/lib/libc/sys/Makefile.inc b/lib/libc/sys/Makefile.inc index 34e6b7e..e3ed6d1 100644 --- a/lib/libc/sys/Makefile.inc +++ b/lib/libc/sys/Makefile.inc @@ -1,5 +1,5 @@ # @(#)Makefile.inc 8.3 (Berkeley) 10/24/94 -# $Id: Makefile.inc,v 1.57 1998/11/24 08:15:08 jkoshy Exp $ +# $Id: Makefile.inc,v 1.58 1999/04/04 12:29:31 dfr Exp $ # sys sources .PATH: ${.CURDIR}/../libc/${MACHINE_ARCH}/sys ${.CURDIR}/../libc/sys @@ -16,7 +16,7 @@ .include "${.CURDIR}/../libc/${MACHINE_ARCH}/sys/Makefile.inc" # Sources common to both syscall interfaces: -SRCS+= ftruncate.c lseek.c mmap.c truncate.c +SRCS+= ftruncate.c lseek.c mmap.c truncate.c pread.c pwrite.c # Build __error() into libc, but not libc_r which has it's own: .if ${LIB} == "c" diff --git a/lib/libc/sys/pread.c b/lib/libc/sys/pread.c new file mode 100644 index 0000000..b639383 --- /dev/null +++ b/lib/libc/sys/pread.c @@ -0,0 +1,54 @@ +/* + * Copyright (c) 1992, 1993 + * The 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. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)mmap.c 8.1 (Berkeley) 6/17/93"; +#endif /* LIBC_SCCS and not lint */ + +#include <sys/types.h> +#include <sys/syscall.h> +#include <unistd.h> + +/* + * This function provides 64-bit offset padding that + * is not supplied by GCC 1.X but is supplied by GCC 2.X. + */ +ssize_t +pread(fd, buf, nbyte, offset) + int fd; + void *buf; + size_t nbyte; + off_t offset; +{ + return ((ssize_t)__syscall((quad_t)SYS_pread, fd, buf, nbyte, 0, offset)); +} diff --git a/lib/libc/sys/pwrite.c b/lib/libc/sys/pwrite.c new file mode 100644 index 0000000..6fb3c5a --- /dev/null +++ b/lib/libc/sys/pwrite.c @@ -0,0 +1,54 @@ +/* + * Copyright (c) 1992, 1993 + * The 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. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)mmap.c 8.1 (Berkeley) 6/17/93"; +#endif /* LIBC_SCCS and not lint */ + +#include <sys/types.h> +#include <sys/syscall.h> +#include <unistd.h> + +/* + * This function provides 64-bit offset padding that + * is not supplied by GCC 1.X but is supplied by GCC 2.X. + */ +ssize_t +pwrite(fd, buf, nbyte, offset) + int fd; + const void *buf; + size_t nbyte; + off_t offset; +{ + return ((ssize_t)__syscall((quad_t)SYS_pwrite, fd, buf, nbyte, 0, offset)); +} |