diff options
| author | kargl <kargl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-04-10 03:43:09 +0000 |
|---|---|---|
| committer | kargl <kargl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-04-10 03:43:09 +0000 |
| commit | 8ebb828508a4a55565bd200f113b6c92fbef81ef (patch) | |
| tree | 6dfb012b1bf45857558cff7d92f6bdd8d50aa04d /libgfortran | |
| parent | ddb1d2a923f007035ba2c189c3848d90a71a566f (diff) | |
| download | gcc-8ebb828508a4a55565bd200f113b6c92fbef81ef.tar.gz | |
PR fortran/19872
* io/transfer.c (data_transfer_init): truncate an existing
file on the first write.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97937 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libgfortran')
| -rw-r--r-- | libgfortran/ChangeLog | 7 | ||||
| -rw-r--r-- | libgfortran/io/transfer.c | 7 |
2 files changed, 14 insertions, 0 deletions
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog index ba0257d69b6..46fc3b3dedf 100644 --- a/libgfortran/ChangeLog +++ b/libgfortran/ChangeLog @@ -1,3 +1,10 @@ +2005-04-09 Bud Davis <bdavis@gfortran.org> + Steven G. Kargl <kargls@comcast.net> + + PR fortran/19872 + * io/transfer.c (data_transfer_init): truncate an existing + file on the first write. + 2005-04-09 Thomas Koenig <Thomas.Koenig@online.de> PR libfortran/19106 diff --git a/libgfortran/io/transfer.c b/libgfortran/io/transfer.c index 4d4832395d9..f86a8527245 100644 --- a/libgfortran/io/transfer.c +++ b/libgfortran/io/transfer.c @@ -1103,6 +1103,13 @@ data_transfer_init (int read_flag) generate_error (ERROR_OS, NULL); } + /* Overwriting an existing sequential file ? + it is always safe to truncate the file on the first write */ + if (g.mode == WRITING + && current_unit->flags.access == ACCESS_SEQUENTIAL + && current_unit->current_record == 0) + struncate(current_unit->s); + current_unit->mode = g.mode; /* Set the initial value of flags. */ |