forked from AbleOS/ableos
koniifer
6a8d92d2c2
refactor image loader for multiple filetypes port some broken math stuff make logger more readable
84 lines
1.2 KiB
Plaintext
84 lines
1.2 KiB
Plaintext
length := fn(ptr: ^u8): uint {
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len := 0
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loop if *(ptr + len) == 0 return len else len += 1
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}
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display_int := fn(num: int, p: ^u8, radix: uint): ^u8 {
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ptr := p
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negative := num < 0
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if negative {
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num = -num
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}
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if radix == 2 {
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*ptr = 48
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ptr += 1;
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*ptr = 98
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ptr += 1
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} else if radix == 16 {
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*ptr = 48
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ptr += 1;
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*ptr = 120
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ptr += 1
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} else if radix == 8 {
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*ptr = 48
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ptr += 1;
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*ptr = 111
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ptr += 1
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}
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digits_start := ptr
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if num == 0 {
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*ptr = 48
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ptr += 1
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} else {
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loop if num == 0 break else {
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digit := num % @bitcast(radix)
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if digit < 10 {
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*ptr = @intcast(digit) + 48
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} else {
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*ptr = @intcast(digit) + 55
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}
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ptr += 1
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num /= @bitcast(radix)
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}
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}
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if negative {
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*ptr = 45
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ptr += 1
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};
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*ptr = 0
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@inline(reverse, digits_start)
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return p
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}
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reverse := fn(s: ^u8): void {
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i := 0
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j := @inline(length, s) - 1
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temp := @as(u8, 0)
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loop if i >= j break else {
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temp = *(s + i);
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*(s + i) = *(s + j);
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*(s + j) = temp
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i += 1
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j -= 1
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}
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return
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}
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equals := fn(lhs: ^u8, rhs: ^u8): bool {
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if lhs == rhs {
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return true
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}
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i := 0
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loop if *(lhs + i) != *(rhs + i) {
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return false
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} else if *lhs == 0 {
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return true
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} else {
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i += 1
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}
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} |