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os_linux.v
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@ -1,28 +1,9 @@
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module builtin
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pub fn syscall5(number, arg1, arg2, arg3, arg4, arg5 voidptr) voidptr
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// TODO no pub => error
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pub fn write(fd int, data voidptr, nbytes int) int {
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return syscall5(
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1, // SYS_write
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fd,
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data,
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nbytes,
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0, // ignored
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0 // ignored
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)
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}
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pub fn println(s string) {
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write(1, s.str, s.len)
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}
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//pub fn syscall5(number, arg1, arg2, arg3, arg4, arg5 voidptr) voidptr
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//pub fn syscall6(number, arg1, arg2, arg3, arg4, arg5, arg6 voidptr) voidptr
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pub fn panic(s string) {
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write(1, s.str, s.len)
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//write(1, s.str, s.len)
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}
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pub fn malloc(n int) voidptr {
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return syscall5(0,0,0,0,0,0)
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}
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@ -24,12 +24,14 @@ pub fn tos(s byteptr, len int) string {
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}
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}
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/*
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pub fn tos_clone(s byteptr) string {
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if s == 0 {
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panic('tos: nil string')
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}
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return tos2(s).clone()
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}
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*/
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// Same as `tos`, but calculates the length. Called by `string(bytes)` casts.
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// Used only internally.
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@ -53,6 +55,7 @@ pub fn tos3(s *C.char) string {
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}
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}
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/*
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pub fn (a string) clone() string {
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mut b := string {
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len: a.len
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@ -64,3 +67,4 @@ pub fn (a string) clone() string {
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b[a.len] = `\0`
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return b
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}
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*/
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