kernel/ramdisk/shell.c

#include "nox/stdio.h"

#define COMMAND_BUFFER_SIZE 512

int read_command(char* command_buffer)  {
    char chr = 0;
    int  pos = 0;
    while (chr != '\n') {
        chr = getc();
        switch (chr) {
            case '\b': {
                if (pos > 0) pos--;
                break;
            }
            default: {
                if (pos < COMMAND_BUFFER_SIZE) {
                    command_buffer[pos] = chr;
                    pos++;
                }
                break;
            }
        }
    }

    command_buffer[pos] = '\0';
    return pos;
}

void _start() {
    printf("Welcome to the nox shell.\ntype 'help' for a list of commands\n");

    bool running = true;

    while(running) {
        printf("\n>>> ");
        char command_buffer[COMMAND_BUFFER_SIZE];
        read_command(command_buffer);
    }
}