Hi, attached patch fixes PR 49296. A new test for the testsuite is also included.
Regtested on x86_64-unknown-linux-gnu, Ok for trunk? 2011-06-11 Janne Blomqvist <j...@gcc.gnu.org> PR libfortran/49296 * io/list_read.c (read_character): Accept EOF as a separator when reading string. -- Janne Blomqvist
diff --git a/libgfortran/io/list_read.c b/libgfortran/io/list_read.c index 38a92e1..baf2f54 100644 --- a/libgfortran/io/list_read.c +++ b/libgfortran/io/list_read.c @@ -1022,7 +1022,7 @@ read_character (st_parameter_dt *dtp, int length __attribute__ ((unused))) for (;;) { if ((c = next_char (dtp)) == EOF) - goto eof; + goto done_eof; switch (c) { case '"': @@ -1068,26 +1068,26 @@ read_character (st_parameter_dt *dtp, int length __attribute__ ((unused))) invalid. */ done: c = next_char (dtp); - eof: - if (is_separator (c) || c == '!') + done_eof: + if (is_separator (c) || c == '!' || c == EOF) { unget_char (dtp, c); eat_separator (dtp); dtp->u.p.saved_type = BT_CHARACTER; free_line (dtp); } - else + else { free_saved (dtp); - if (c == EOF) - { - hit_eof (dtp); - return; - } snprintf (message, MSGLEN, "Invalid string input in item %d", dtp->u.p.item_count); generate_error (&dtp->common, LIBERROR_READ_VALUE, message); } + return; + + eof: + free_saved (dtp); + hit_eof (dtp); }
! { dg-do run } ! PR 49296 List formatted read of file without EOR marker (\n). program read_list_eof_1 implicit none integer, parameter :: strmx = 255 character(len=strmx) :: s1, s2 call genfil () open (unit=20, file='read.dat', form='FORMATTED', action='READ', & status='OLD') read (20, fmt=*) s1, s2 close (20, status='delete') if (trim(s1) /= "abcd" .or. trim(s2) /= "efgh") then call abort () end if contains subroutine genfil open(10, file='read.dat', form='unformatted', action='write', & status='replace', access='stream') write(10) 'abcd efgh' close(10) end subroutine genfil end program read_list_eof_1