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| author | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2010-09-22 03:10:24 +0000 |
|---|---|---|
| committer | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2010-09-22 03:10:24 +0000 |
| commit | 3bddec9b927ffbd4064cdbb593949b70db07d9b0 (patch) | |
| tree | 8ebf00fd8e3f39fccd1b3a4dd4ea6f91237c030f | |
| parent | efd6aa2ff5a70745f4d4de40ae9b58f11b624097 (diff) | |
| download | gcc-3bddec9b927ffbd4064cdbb593949b70db07d9b0.zip gcc-3bddec9b927ffbd4064cdbb593949b70db07d9b0.tar.gz gcc-3bddec9b927ffbd4064cdbb593949b70db07d9b0.tar.bz2 | |
re PR libfortran/45723 (opening /dev/null for appending writes)
2010-09-21 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/45723
* io/open.c (new_unit): On POSITION_APPEND don't seek if file length is
zero.
From-SVN: r164507
| -rw-r--r-- | libgfortran/ChangeLog | 9 | ||||
| -rw-r--r-- | libgfortran/io/open.c | 2 |
2 files changed, 9 insertions, 2 deletions
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog index bd4243f..8411513 100644 --- a/libgfortran/ChangeLog +++ b/libgfortran/ChangeLog @@ -1,3 +1,9 @@ +2010-09-21 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + PR libfortran/45723 + * io/open.c (new_unit): On POSITION_APPEND don't seek if file length is + zero. + 2010-09-14 Jerry DeLisle <jvdelisle@gcc.gnu.org> PR libfortran/45532 @@ -6,7 +12,8 @@ 2010-09-12 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> - * intrinsics/pack_generic.c (pack): Add missing return and fix whitespace. + * intrinsics/pack_generic.c (pack): Add missing return and fix + whitespace. * intrinsics/cshift0.c (cshift0): Fix whitespace. * intrinsics/unpack_generic.c (unpack1, unpack0): Fix whitespace. diff --git a/libgfortran/io/open.c b/libgfortran/io/open.c index be8f4bb..d7448c0 100644 --- a/libgfortran/io/open.c +++ b/libgfortran/io/open.c @@ -555,7 +555,7 @@ new_unit (st_parameter_open *opp, gfc_unit *u, unit_flags * flags) if (flags->position == POSITION_APPEND) { - if (sseek (u->s, 0, SEEK_END) < 0) + if (file_size (opp->file, opp->file_len) > 0 && sseek (u->s, 0, SEEK_END) < 0) generate_error (&opp->common, LIBERROR_OS, NULL); u->endfile = AT_ENDFILE; } |