! { dg-do run }
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! { dg-do run }
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! { dg-options "-fbackslash" }
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! { dg-options "-fbackslash" }
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! PR41328 and PR41168 Improper read of CR-LF sequences.
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! PR41328 and PR41168 Improper read of CR-LF sequences.
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! Test case prepared by Jerry DeLisle
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! Test case prepared by Jerry DeLisle
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program main
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program main
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implicit none
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implicit none
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integer :: iostat, n_chars_read, k
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integer :: iostat, n_chars_read, k
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character(len=1) :: buffer(64) = ""
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character(len=1) :: buffer(64) = ""
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character (len=80) :: u
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character (len=80) :: u
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! Set up the test file with normal file end.
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! Set up the test file with normal file end.
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open(unit=10, file="crlftest", form="unformatted", access="stream",&
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open(unit=10, file="crlftest", form="unformatted", access="stream",&
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& status="replace")
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& status="replace")
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write(10) "a\rb\rc\r" ! CR at the end of each record.
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write(10) "a\rb\rc\r" ! CR at the end of each record.
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close(10, status="keep")
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close(10, status="keep")
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open(unit=10, file="crlftest", form="formatted", status="old")
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open(unit=10, file="crlftest", form="formatted", status="old")
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read( unit=10, fmt='(64A)', advance='NO', iostat=iostat, &
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read( unit=10, fmt='(64A)', advance='NO', iostat=iostat, &
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size=n_chars_read ) buffer
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size=n_chars_read ) buffer
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if (n_chars_read.ne.1) call abort
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if (n_chars_read.ne.1) call abort
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if (any(buffer(1:n_chars_read).ne."a")) call abort
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if (any(buffer(1:n_chars_read).ne."a")) call abort
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if (.not.is_iostat_eor(iostat)) call abort
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if (.not.is_iostat_eor(iostat)) call abort
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read( unit=10, fmt='(64A)', advance='NO', iostat=iostat, &
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read( unit=10, fmt='(64A)', advance='NO', iostat=iostat, &
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size=n_chars_read ) buffer
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size=n_chars_read ) buffer
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if (n_chars_read.ne.1) call abort
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if (n_chars_read.ne.1) call abort
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if (any(buffer(1:n_chars_read).ne."b")) call abort
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if (any(buffer(1:n_chars_read).ne."b")) call abort
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if (.not.is_iostat_eor(iostat)) call abort
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if (.not.is_iostat_eor(iostat)) call abort
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read( unit=10, fmt='(64A)', advance='NO', iostat=iostat, &
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read( unit=10, fmt='(64A)', advance='NO', iostat=iostat, &
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size=n_chars_read ) buffer
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size=n_chars_read ) buffer
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if (n_chars_read.ne.1) call abort
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if (n_chars_read.ne.1) call abort
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if (any(buffer(1:n_chars_read).ne."c")) call abort
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if (any(buffer(1:n_chars_read).ne."c")) call abort
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if (.not.is_iostat_eor(iostat)) call abort
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if (.not.is_iostat_eor(iostat)) call abort
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read( unit=10, fmt='(64A)', advance='NO', iostat=iostat, &
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read( unit=10, fmt='(64A)', advance='NO', iostat=iostat, &
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size=n_chars_read ) buffer
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size=n_chars_read ) buffer
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if (n_chars_read.ne.0) call abort
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if (n_chars_read.ne.0) call abort
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if (any(buffer(1:n_chars_read).ne."a")) call abort
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if (any(buffer(1:n_chars_read).ne."a")) call abort
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if (.not.is_iostat_end(iostat)) call abort
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if (.not.is_iostat_end(iostat)) call abort
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close(10, status="delete")
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close(10, status="delete")
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! Set up the test file with normal file end.
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! Set up the test file with normal file end.
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open(unit=10, file="crlftest", form="unformatted", access="stream",&
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open(unit=10, file="crlftest", form="unformatted", access="stream",&
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& status="replace")
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& status="replace")
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write(10) "a\rb\rc\rno end of line marker" ! Note, no CR at end of file.
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write(10) "a\rb\rc\rno end of line marker" ! Note, no CR at end of file.
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close(10, status="keep")
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close(10, status="keep")
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open(unit=10, file="crlftest", status='old')
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open(unit=10, file="crlftest", status='old')
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do k = 1, 10
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do k = 1, 10
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read(10,'(a80)',end=101,err=100) u
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read(10,'(a80)',end=101,err=100) u
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!print *,k,' : ',u(1:len_trim(u))
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!print *,k,' : ',u(1:len_trim(u))
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enddo
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enddo
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100 continue
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100 continue
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close(10, status="delete")
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close(10, status="delete")
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call abort
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call abort
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101 continue
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101 continue
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close(10, status="delete")
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close(10, status="delete")
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if (u(1:len_trim(u)).ne."no end of line marker") call abort
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if (u(1:len_trim(u)).ne."no end of line marker") call abort
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end program main
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end program main
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