mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-26 09:30:24 +00:00
723f4e5ee6
We were getting a little overly memey in some places, so let's scale things back to business-casual. Informal language is fine in comments, commits and debug logs, but let's keep the runtime nice and presentable. :^)
96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
/*
|
|
* 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/Vector.h>
|
|
#include <LibCore/ArgsParser.h>
|
|
#include <assert.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <sys/stat.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
if (pledge("stdio rpath", nullptr) < 0) {
|
|
perror("pledge");
|
|
return 1;
|
|
}
|
|
|
|
Vector<const char*> paths;
|
|
|
|
Core::ArgsParser args_parser;
|
|
args_parser.add_positional_argument(paths, "File path", "path", Core::ArgsParser::Required::No);
|
|
args_parser.parse(argc, argv);
|
|
|
|
Vector<int> fds;
|
|
if (!paths.is_empty()) {
|
|
for (const char* path : paths) {
|
|
int fd;
|
|
if (StringView { path } == "-") {
|
|
fd = 0;
|
|
} else if ((fd = open(path, O_RDONLY)) == -1) {
|
|
fprintf(stderr, "Failed to open %s: %s\n", path, strerror(errno));
|
|
continue;
|
|
}
|
|
fds.append(fd);
|
|
}
|
|
} else {
|
|
fds.append(0);
|
|
}
|
|
|
|
if (pledge("stdio", nullptr) < 0) {
|
|
perror("pledge");
|
|
return 1;
|
|
}
|
|
|
|
for (auto& fd : fds) {
|
|
for (;;) {
|
|
char buf[32768];
|
|
ssize_t nread = read(fd, buf, sizeof(buf));
|
|
if (nread == 0)
|
|
break;
|
|
if (nread < 0) {
|
|
perror("read");
|
|
return 2;
|
|
}
|
|
size_t already_written = 0;
|
|
while (already_written < (size_t)nread) {
|
|
ssize_t nwritten = write(1, buf + already_written, nread - already_written);
|
|
if (nwritten < 0) {
|
|
perror("write");
|
|
return 3;
|
|
}
|
|
already_written += nwritten;
|
|
}
|
|
}
|
|
close(fd);
|
|
}
|
|
|
|
return 0;
|
|
}
|