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