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21 lines
533 B
Idris
21 lines
533 B
Idris
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module System.Errno
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%default total
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%foreign "C:idris2_getErrno, libidris2_support, idris_support.h"
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prim__getErrno : PrimIO Int
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%foreign "C:idris2_strerror, libidris2_support, idris_support.h"
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"node:lambda:errno=>'Error code: '+errno"
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prim__strerror : Int -> PrimIO String
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||| Fetch libc `errno` global variable.
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export
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getErrno : HasIO io => io Int
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getErrno = primIO prim__getErrno
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||| Convert numeric `errno` to string.
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export
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strerror : Int -> String
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strerror errno = unsafePerformIO $ primIO $ prim__strerror errno
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