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authorFritz Reese <fritzoreese@gmail.com>2016-10-26 12:11:44 +0000
committerFritz Reese <foreese@gcc.gnu.org>2016-10-26 12:11:44 +0000
commit0ef33d44629066e33ffdc46014374a3ef5c5f009 (patch)
tree45d5f5c66da6b5b2820d025ba02eb604ab6a5b91 /libgfortran/io/close.c
parent9dbe100a4157843d12b192e4aae504b43af4774b (diff)
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New I/O specifiers CARRIAGECONTROL, READONLY, SHARE with -fdec.
gcc/fortran/ * gfortran.texi: Document. * frontend-passes.c (gfc_code_walker): Add SHARE and CARRIAGECONTROL. * io.c (gfc_free_open, gfc_resolve_open, gfc_match_open): Ditto. * gfortran.h (gfc_open): Add SHARE, CARRIAGECONTROL, and READONLY. * io.c (io_tag, match_open_element): Ditto. * ioparm.def: Ditto. * trans-io.c (gfc_trans_open): Ditto. * io.c (match_dec_etag, match_dec_ftag): New functions. libgfortran/io/ * libgfortran.h (IOPARM_OPEN_HAS_READONLY, IOPARM_OPEN_HAS_SHARE, IOPARM_OPEN_HAS_CC): New for READONLY, SHARE, and CARRIAGECONTROL. * close.c (st_close): Support READONLY. * io.h (st_parameter_open, unit_flags): Support SHARE, CARRIAGECONTROL, and READONLY. * open.c (st_open): Ditto. * transfer.c (data_transfer_init): Ditto. * io.h (st_parameter_dt): New member 'cc' for CARRIAGECONTROL. * write.c (write_check_cc, write_cc): New functions for CARRIAGECONTROL. * transfer.c (next_record_cc): Ditto. * file_pos.c (st_endfile): Support SHARE and CARRIAGECONTROL. * io.h (st_parameter_inquire): Ditto. * open.c (edit_modes, new_unit): Ditto. * inquire.c (inquire_via_unit, inquire_via_filename): Ditto. * io.h (unit_share, unit_cc, cc_fortran, IOPARM_INQUIRE_HAS_SHARE, IOPARM_INQUIRE_HAS_CC): New for SHARE and CARRIAGECONTROL. * open.c (share_opt, cc_opt): Ditto. * read.c (read_x): Support CARRIAGECONTROL. * transfer.c (read_sf, next_record_r, next_record_w): Ditto. * write.c (list_formatted_write_scalar, write_a): Ditto. * unix.h (close_share): New prototype. * unix.c (open_share, close_share): New functions to handle SHARE. * unix.c (open_external): Handle READONLY. Call open_share. * close.c (st_close): Call close_share. gcc/testsuite/ * dec_io_1.f90: New test. * dec_io_2.f90: New test. * dec_io_3.f90: New test. * dec_io_4.f90: New test. * dec_io_5.f90: New test. * dec_io_6.f90: New test. From-SVN: r241550
Diffstat (limited to 'libgfortran/io/close.c')
-rw-r--r--libgfortran/io/close.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/libgfortran/io/close.c b/libgfortran/io/close.c
index c29c125..8fbfe82 100644
--- a/libgfortran/io/close.c
+++ b/libgfortran/io/close.c
@@ -66,6 +66,8 @@ st_close (st_parameter_close *clp)
u = find_unit (clp->common.unit);
if (u != NULL)
{
+ if (close_share (u) < 0)
+ generate_error (&clp->common, LIBERROR_OS, "Problem in CLOSE");
if (u->flags.status == STATUS_SCRATCH)
{
if (status == CLOSE_KEEP)
@@ -78,13 +80,19 @@ st_close (st_parameter_close *clp)
else
{
if (status == CLOSE_DELETE)
- {
+ {
+ if (u->flags.readonly)
+ generate_warning (&clp->common, "STATUS set to DELETE on CLOSE"
+ " but file protected by READONLY specifier");
+ else
+ {
#if HAVE_UNLINK_OPEN_FILE
- remove (u->filename);
+ remove (u->filename);
#else
- path = strdup (u->filename);
+ path = strdup (u->filename);
#endif
- }
+ }
+ }
}
close_unit (u);