mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-26 09:30:24 +00:00
500044906d
This is not guaranteed to always work correctly as ArgsParser deals in StringViews and might have a non-properly-null-terminated string as a value. As a bonus, using StringView (and DeprecatedString where necessary) leads to nicer looking code too :^)
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
/*
|
|
* Copyright (c) 2021, the SerenityOS developers.
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/Random.h>
|
|
#include <LibCore/ArgsParser.h>
|
|
#include <fcntl.h>
|
|
#include <inttypes.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
Vector<StringView> arguments;
|
|
arguments.ensure_capacity(argc);
|
|
for (auto i = 0; i < argc; ++i)
|
|
arguments.append({ argv[i], strlen(argv[i]) });
|
|
|
|
DeprecatedString target;
|
|
int max_file_size = 1024 * 1024;
|
|
int count = 1024;
|
|
|
|
Core::ArgsParser args_parser;
|
|
args_parser.add_option(max_file_size, "Maximum file size to generate", "max-size", 's', "size");
|
|
args_parser.add_option(count, "Number of truncations to run", "number", 'n', "number");
|
|
args_parser.add_positional_argument(target, "Target file path", "target");
|
|
args_parser.parse(arguments);
|
|
|
|
int fd = creat(target.characters(), 0666);
|
|
if (fd < 0) {
|
|
perror("Couldn't create target file");
|
|
return EXIT_FAILURE;
|
|
}
|
|
close(fd);
|
|
|
|
for (int i = 0; i < count; i++) {
|
|
auto new_file_size = AK::get_random<uint64_t>() % (max_file_size + 1);
|
|
printf("(%d/%d)\tTruncating to %" PRIu64 " bytes...\n", i + 1, count, new_file_size);
|
|
if (truncate(target.characters(), new_file_size) < 0) {
|
|
perror("Couldn't truncate target file");
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
|
|
if (unlink(target.characters()) < 0) {
|
|
perror("Couldn't remove target file");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|