mirror of
https://github.com/RGBCube/serenity
synced 2025-07-26 13:27:34 +00:00
Userland: Move command-line utilities to Userland/Utilities/
This commit is contained in:
parent
c4e2fd8123
commit
ececac65c2
142 changed files with 58 additions and 58 deletions
57
Userland/Utilities/dmesg.cpp
Normal file
57
Userland/Utilities/dmesg.cpp
Normal file
|
@ -0,0 +1,57 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
||||
* 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
|
||||
*/
|
||||
|
||||
#include <AK/ByteBuffer.h>
|
||||
#include <LibCore/File.h>
|
||||
#include <assert.h>
|
||||
#include <fcntl.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
|
||||
int main([[maybe_unused]] int argc, [[maybe_unused]] char** argv)
|
||||
{
|
||||
if (pledge("stdio rpath", nullptr) < 0) {
|
||||
perror("pledge");
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (unveil("/proc/dmesg", "r") < 0) {
|
||||
perror("unveil");
|
||||
return 1;
|
||||
}
|
||||
|
||||
unveil(nullptr, nullptr);
|
||||
|
||||
auto f = Core::File::construct("/proc/dmesg");
|
||||
if (!f->open(Core::IODevice::ReadOnly)) {
|
||||
fprintf(stderr, "open: failed to open /proc/dmesg: %s\n", f->error_string());
|
||||
return 1;
|
||||
}
|
||||
const auto& b = f->read_all();
|
||||
for (size_t i = 0; i < b.size(); ++i)
|
||||
putchar(b[i]);
|
||||
return 0;
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue