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! { dg-do run }
! Test the error message when an unformatted file has become
! corrupted.
program main
implicit none
integer(kind=4) :: i1, i2
integer :: ios
character(len=50) :: msg
! Write out a truncated unformatted sequential file by
! using unformatted stream.
open (10, form="unformatted", access="stream", file="foo.dat", &
status="unknown")
write (10) 16_4, 1_4
close (10, status="keep")
! Try to read
open (10, file="foo.dat", form="unformatted", access="sequential")
i1 = 0
i2 = 0
read (10, iostat=ios, iomsg=msg) i1, i2
if (ios == 0) call abort
if (i1 /= 1) call abort
if (msg /= "Unformatted file structure has been corrupted") call abort
close (10, status="delete")
end program main
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