mirror of
https://github.com/idris-lang/Idris2.git
synced 2024-12-19 09:12:34 +03:00
22 lines
559 B
Idris
22 lines
559 B
Idris
||| Managing error codes.
|
|
module System.Errno
|
|
|
|
%default total
|
|
|
|
%foreign "C:idris2_getErrno, libidris2_support, idris_support.h"
|
|
prim__getErrno : PrimIO Int
|
|
|
|
%foreign "C:idris2_strerror, libidris2_support, idris_support.h"
|
|
"node:lambda:errno=>'Error code: '+errno"
|
|
prim__strerror : Int -> PrimIO String
|
|
|
|
||| Fetch libc `errno` global variable.
|
|
export
|
|
getErrno : HasIO io => io Int
|
|
getErrno = primIO prim__getErrno
|
|
|
|
||| Convert numeric `errno` to string.
|
|
export
|
|
strerror : Int -> String
|
|
strerror errno = unsafePerformIO $ primIO $ prim__strerror errno
|