root/tasks/ls.c

DEFINITIONS

1. main

#include "kstructs.h"
#include "syscalls.h"
#include "lib.h"
#include "fat.h"

int main(int argc, char **argv)
{
    struct DirEntry entry;
    int ret;
    int count1, count2;
    unsigned char buffer[13];
    unsigned char *cwd;

    FD file;
    if (argc == 2)
        file = open(argv[1]);
    else
    {
        cwd = getcwd();
        file = open(cwd);
        free(cwd);
    }
    if (file != -1)
    {
        for (count1 = 0; count1 < 40; count1++)
        {
            ret = read(file, (char *) &entry, sizeof(struct DirEntry));
            if (entry.attribute != 0x08)    // Volume lable, not really a directory entry
            {
                if (entry.name[0])
                {
                    if (entry.name[0] != 0xE5)
                    {
                        for (count2 = 0; count2 < 11; count2++)
                            buffer[count2] = entry.name[count2];
                        buffer[12] = 0;
                        printf(buffer);
                        if (entry.attribute & 0x10)
                            printf(" <DIR> ");
                        else
                            printf("       ");
                        buffer[8] = 0;
                        intToAsc(entry.fileSize, buffer, 8);
                        printf("%s\n", buffer);
                    }
                }
                else
                    break;
            }
        }
        close(file);
    }
    exit();
    return (0);
}