Function OctToDec

Kernel/src/fs/tar.cpp:6–14

#include <errno.h>

inline static long OctToDec(char* str, int size) {
    long n = 0;
    while (size-- && *str) {
        n <<= 3;
        n |= (*str - '0') & 0x7;
        str++;
    }
    return n;
}

inline static long GetSize(char* size){ // Get size of file in blocks
    long sz = OctToDec(size, 12);