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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-05-06 21:22:38 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-05-06 21:41:20 +0200 |
commit | 5b1f20b73f410544f06353d4e81d5097c21ceac9 (patch) | |
tree | 7697935c04ad4567b1e1a58b967c39e5561269c6 /rtemsbsd/rtems/rtems-kernel-sysctlnametomib.c | |
parent | Add kernel namespace exception for mbstat (diff) | |
download | rtems-libbsd-5b1f20b73f410544f06353d4e81d5097c21ceac9.tar.bz2 |
Rename files for kernel namespace script
This makes it easier to create the kernel namespace header.
Diffstat (limited to 'rtemsbsd/rtems/rtems-kernel-sysctlnametomib.c')
-rw-r--r-- | rtemsbsd/rtems/rtems-kernel-sysctlnametomib.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/rtemsbsd/rtems/rtems-kernel-sysctlnametomib.c b/rtemsbsd/rtems/rtems-kernel-sysctlnametomib.c new file mode 100644 index 00000000..62ce6b80 --- /dev/null +++ b/rtemsbsd/rtems/rtems-kernel-sysctlnametomib.c @@ -0,0 +1,68 @@ +/** + * @file + * + * @ingroup rtems_bsd_rtems + * + * @brief TODO. + * + * File origin from FreeBSD 'lib/libc/gen/sysctlnametomib.c'. + */ + +/* + * Copyright 2001 The FreeBSD Project. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT ``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 FREEBSD PROJECT 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. + */ + +#include <machine/rtems-bsd-kernel-space.h> +#include <machine/rtems-bsd-syscall-api.h> + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <rtems/bsd/sys/types.h> +#include <sys/sysctl.h> +#include <string.h> + +/* + * This function uses a presently undocumented interface to the kernel + * to walk the tree and get the type so it can print the value. + * This interface is under work and consideration, and should probably + * be killed with a big axe by the first person who can find the time. + * (be aware though, that the proper interface isn't as obvious as it + * may seem, there are various conflicting requirements. + */ +int +sysctlnametomib(const char *name, int *mibp, size_t *sizep) +{ + int oid[2]; + int error; + + oid[0] = 0; + oid[1] = 3; + + *sizep *= sizeof(int); + error = sysctl(oid, 2, mibp, sizep, name, strlen(name)); + *sizep /= sizeof(int); + return (error); +} |