Luna/apps/chmod.cpp

#include <os/ArgumentParser.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>

int main(int argc, char** argv)
{
    StringView mode_string;
    StringView path;

    os::ArgumentParser parser;
    parser.add_description("Change the permissions of a file."_sv);
    parser.add_system_program_info("chmod"_sv);
    parser.add_positional_argument(mode_string, "mode"_sv, true);
    parser.add_positional_argument(path, "path"_sv, true);
    parser.parse(argc, argv);

    mode_t mode = (mode_t)strtoul(mode_string.chars(), NULL, 8);

    if (chmod(path.chars(), mode) < 0)
    {
        perror("chmod");
        return 1;
    }
}