23 lines
472 B
Zig
23 lines
472 B
Zig
import "syscall.zig";
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import "std.zig";
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import "errno.zig";
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pub fn malloc(bytes: isize) -> ?&u8 {
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if (bytes > 4096) {
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%%stderr.printf("TODO alloc sizes > 4096B\n");
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return null;
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}
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const result = mmap(isize(0), 4096, MMAP_PROT_READ|MMAP_PROT_WRITE, MMAP_MAP_ANON|MMAP_MAP_SHARED, -1, 0);
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if (-4096 < result && result <= 0) {
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null
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} else {
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(&u8)(result)
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}
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}
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pub fn free(ptr: &u8) {
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munmap(isize(ptr), 4096);
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}
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