ref: 6cf64ac765264c305b91b3062ef8e3525e83add5
dir: /libstd/syswrap-ss+plan9.myr/
use sys use "errno.use" use "cstrconv.use" pkg std = const exit : (status : int -> void) pkglocal const bgetcwd : (buf : byte[:] -> errno) ;; const bgetcwd = {buf var fd fd = sys.open(".", sys.Ordonly) if fd < 0 -> fd castto(errno) ;; if sys.fd2path(fd, buf) == 0 /* Because we don't return the size, the best we can do is assume that if the buffer is completely full, we have truncated it. Since we truncate at utf8 characters, we can have at most 3 bytes truncated (4 bytes will fit any utf8 char), and one byte for the nul terminator. */ if cstrlen(buf) + 5 == buf.len -> Erange else -> cstrlen(buf) castto(errno) ;; ;; -> Emisc } const digitchars = "0123456789" const exit = {status var buf : byte[32] /* big enough for exit status numbers */ var n, i if status == 0 sys.exits("") else status &= 255 i = 100 n = 0 while i > 0 if status >= i buf[n++] = digitchars[(status/i)%10] ;; i /= 10 ;; sys.exits(buf[:n]) ;; }