A poorly written OS for the x86 arch. (WIP)
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
|
|
#include "conv.h"
|
|
|
|
|
#include "../drivers/vga.h"
|
|
|
|
|
|
|
|
|
|
// char* int_to_str(int i, char* buf) {
|
|
|
|
|
// ulong num = (ulong)i; // convert to ulong
|
|
|
|
|
// uint len = ulong_len(num); // number of digits
|
|
|
|
|
//
|
|
|
|
|
// *(buf+len) = '\0'; // add a "end-of-string" at the end
|
|
|
|
|
//
|
|
|
|
|
// int j;
|
|
|
|
|
// for(j = 0; j < len; j++) { // iterate over each digit and assign it to the buffer
|
|
|
|
|
// // super dangerous memory write
|
|
|
|
|
// *(buf+j) = (char)(ndigit(num, len-1-j) + ASCII_OFFSET); // apply the ascii offset so that i becomes a char
|
|
|
|
|
// println(*(buf+j), 0xc0);
|
|
|
|
|
// }
|
|
|
|
|
//
|
|
|
|
|
// return buf;
|
|
|
|
|
// }
|
|
|
|
|
|
|
|
|
|
char* int_to_str(int i, char* buf) {
|
|
|
|
|
char* sign = (i < 0) ? "-" : "+";
|
|
|
|
|
return (char*) sign;
|
|
|
|
|
}
|
