blob: b8ddb6740a1888135550d725306052d1977466cc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
#include <types.h>
#include <libk/stdio.h>
#include <stdarg.h>
#include <libk/string.h>
#include <graphics.h>
int32_t x;
int32_t y;
inline void print_char(char c)
{
if (c == '\n') {
x = 0;
y++;
return;
}
if (c == '\b') {
if (x != 0) {
x--;
}
return;
}
if (x * 8 >= (int32_t)main_fb.width) {
x = 0;
y++;
}
if (y * 16 >= (int32_t)main_fb.height) {
x = 0;
y = 0;
}
fb_draw_character(main_fb, c, x * 8, y * 16, WHITE, BLACK);
x++;
}
inline void print_string(const char* s)
{
for (size_t i = 0; i < strlen(s); i++) {
print_char(s[i]);
}
}
inline void print_int(uint64_t num)
{
char a[100];
itos(num, a);
print_string(a);
}
void printf(const char *s, ...)
{
size_t count = 0;
for(size_t i = 0; i < strlen(s); i++) if(s[i] == '%') count++;
va_list list;
va_start(list, s);
for(size_t i = 0; i < strlen(s); i++)
{
if(s[i] == '%')
{
i++;
if(s[i] == 'c') print_char((char)va_arg(list, uint32_t));
else if(s[i] == 's') print_string(va_arg(list, char*));
else if(s[i] == 'd') print_int((uint64_t)va_arg(list, uint64_t));
else
{
print_string("Wrong format using printf\n");
return;
}
}
else print_char(s[i]);
}
va_end(list);
}
|