/* May need 256 bytes for older versions of MikeOS */
int readcons()
{
os_input_string(console.ibuf.data, 256);
os_print_newline();
console.ibuf.offset = 0;
strcat(console.ibuf.data, "\n");
return strlen(console.ibuf.data);
}
/* Unbuffered for now. */
int writecons(int ch)
{
if (ch == '\n') {
os_print_newline();
} else {
os_print_char(ch);
}
return ch;
}
int printf(char *fmt, ...)
{
int i = 0;
int printed = 0;
char *arg = (char*)&fmt + sizeof(char*);
char *str;
if (fmt[0] == '\0') {
return 0;
}
do {
if (fmt[i] == '\n') {
os_print_newline();
printed += 2;
continue;
} else if (fmt[i] != '%') {
os_print_char(fmt[i]);
printed++;
continue;
}
switch (fmt[++i]) {
case 'd':
case 'i':
str = os_sint_to_string(*(int*)arg);
printed += os_string_length(str);
os_print_string(str);
arg += sizeof(int);
break;
case 'u':
str = os_int_to_string(*(int*)arg);
printed += os_string_length(str);
os_print_string(str);
arg += sizeof(int);
break;
case 'x':
case 'X':
os_print_4hex(*(int*)arg);
printed += 4;
arg += sizeof(int);
break;
case 'c':
os_print_char(*arg);
printed++;
arg += sizeof(int);
break;
case 's':
str = *(char**)arg;
printed += os_string_length(str);
os_print_string(str);
arg += sizeof(char*);
break;
case 'p':
os_print_string("0x");
os_print_4hex(*(int*)arg);
printed += 6;
arg += sizeof(int);
break;
case 'n':
*(int*)arg = printed;
arg += sizeof(int*);
break;
case '%':
os_print_char('%');
printed++;
break;
}
} while (fmt[++i]);
return printed;
}
int puts(char *str)
{
os_print_string(str);
os_print_newline();
return os_string_length(str);
}
char *gets(char *str)
{
os_input_string(str, 256);
os_print_newline();
return str;
}