diff options
| author | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2019-01-14 00:22:00 +0000 |
|---|---|---|
| committer | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2019-01-14 00:22:00 +0000 |
| commit | 9c5f89006fa4b64c77997f660554a12315f4ac1d (patch) | |
| tree | f238d50e7438578fcb6c31df6f1ab0ff3285495b /libgfortran | |
| parent | bff1a7315da774562db589a19a96ea522b47b900 (diff) | |
re PR libfortran/88776 (Namelist read from stdin: loss of data)
2019-01-13 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/88776
* io/open.c (newunit): Free format buffer if the unit specified is for
stdin, stdout, or stderr.
* gfortran.dg/namelist_96.f90: New test.
From-SVN: r267910
Diffstat (limited to 'libgfortran')
| -rw-r--r-- | libgfortran/ChangeLog | 6 | ||||
| -rw-r--r-- | libgfortran/io/open.c | 16 |
2 files changed, 18 insertions, 4 deletions
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog index f63e3782734..274160d4b9e 100644 --- a/libgfortran/ChangeLog +++ b/libgfortran/ChangeLog @@ -1,3 +1,9 @@ +2019-01-13 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + PR libfortran/88776 + * io/open.c (newunit): Free format buffer if the unit specified is for + stdin, stdout, or stderr. + 2019-01-12 Jerry DeLisle <jvdelisle@gcc.gnu.org> PR libfortran/88776 diff --git a/libgfortran/io/open.c b/libgfortran/io/open.c index 97fb17c7424..b48afabf7a3 100644 --- a/libgfortran/io/open.c +++ b/libgfortran/io/open.c @@ -530,6 +530,14 @@ new_unit (st_parameter_open *opp, gfc_unit *u, unit_flags *flags) if (u2 != NULL) unlock_unit (u2); + /* If the unit specified is preconnected with a file specified to be open, + then clear the format buffer. */ + if ((opp->common.unit == options.stdin_unit || + opp->common.unit == options.stdout_unit || + opp->common.unit == options.stderr_unit) + && (opp->common.flags & IOPARM_OPEN_HAS_FILE) != 0) + fbuf_destroy (u); + /* Open file. */ s = open_external (opp, flags); @@ -705,12 +713,12 @@ already_open (st_parameter_open *opp, gfc_unit *u, unit_flags *flags) if (u->filename && u->flags.status == STATUS_SCRATCH) remove (u->filename); #endif - free (u->filename); - u->filename = NULL; - + free (u->filename); + u->filename = NULL; + u = new_unit (opp, u, flags); if (u != NULL) - unlock_unit (u); + unlock_unit (u); return; } |