From f4072316a3ef6466ff3b554ca19b14ce4e64eda0 Mon Sep 17 00:00:00 2001 From: Jerry DeLisle Date: Fri, 9 Mar 2007 21:51:39 +0000 Subject: re PR libfortran/31099 (Runtime error on legal code using RECL) 2007-03-09 Jerry DeLisle PR libgfortran/31099 * io/open.c (new_unit): Initialize bytes_left and recl_subrecord. * io/transfer.c (next_record_w): Set bytes left to record length for sequential unformatted I/O. (next_record_r): Ditto. (read_block_direct): Fix test for exceeding bytes_left. From-SVN: r122763 --- libgfortran/io/open.c | 2 ++ libgfortran/io/transfer.c | 9 +++++---- 2 files changed, 7 insertions(+), 4 deletions(-) (limited to 'libgfortran/io') diff --git a/libgfortran/io/open.c b/libgfortran/io/open.c index ef1ce1e..783c5e8 100644 --- a/libgfortran/io/open.c +++ b/libgfortran/io/open.c @@ -437,6 +437,8 @@ new_unit (st_parameter_open *opp, gfc_unit *u, unit_flags * flags) { u->flags.has_recl = 1; u->recl = opp->recl_in; + u->recl_subrecord = u->recl; + u->bytes_left = u->recl; } else { diff --git a/libgfortran/io/transfer.c b/libgfortran/io/transfer.c index a7632da..42f8249 100644 --- a/libgfortran/io/transfer.c +++ b/libgfortran/io/transfer.c @@ -434,11 +434,10 @@ read_block_direct (st_parameter_dt *dtp, void *buf, size_t *nbytes) /* Check whether we exceed the total record length. */ - if (dtp->u.p.current_unit->flags.has_recl) + if (dtp->u.p.current_unit->flags.has_recl + && (*nbytes > (size_t) dtp->u.p.current_unit->bytes_left)) { - to_read_record = - *nbytes > (size_t) dtp->u.p.current_unit->bytes_left ? - *nbytes : (size_t) dtp->u.p.current_unit->bytes_left; + to_read_record = (size_t) dtp->u.p.current_unit->bytes_left; short_record = 1; } else @@ -2152,6 +2151,7 @@ next_record_r (st_parameter_dt *dtp) case UNFORMATTED_SEQUENTIAL: next_record_r_unf (dtp, 1); + dtp->u.p.current_unit->bytes_left = dtp->u.p.current_unit->recl; break; case FORMATTED_DIRECT: @@ -2377,6 +2377,7 @@ next_record_w (st_parameter_dt *dtp, int done) case UNFORMATTED_SEQUENTIAL: next_record_w_unf (dtp, 0); + dtp->u.p.current_unit->bytes_left = dtp->u.p.current_unit->recl; break; case FORMATTED_STREAM: -- cgit v1.1