forked from AbleOS/ableos
46 lines
623 B
Plaintext
46 lines
623 B
Plaintext
length := fn(ptr: ^u8): int {
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len := 0
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loop if *(ptr + len) == 0 break else len += 1
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return len
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}
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display_int := fn(num: int, p: ^u8): ^u8 {
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i := 0
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if num == 0 {
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*p = 48;
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*(p + 1) = 0
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return p
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}
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neg := num < 0
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if neg {
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num = -num
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}
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loop if num == 0 break else {
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*(p + i) = num % 10 + 48
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num /= 10
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i += 1
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}
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if neg {
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*(p + i) = 45
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i += 1
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}
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@inline(reverse, p, i)
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return p
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}
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reverse := fn(p: ^u8, len: int): void {
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start := 0
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end := len - 1
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loop if start >= end break else {
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temp := *(p + start);
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*(p + start) = *(p + end);
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*(p + end) = temp
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start += 1
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end -= 1
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}
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return
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} |