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| author | Bud Davis <bdavis@gfortran.org> | 2005-05-11 10:34:05 +0000 |
|---|---|---|
| committer | François-Xavier Coudert <fxcoudert@gcc.gnu.org> | 2005-05-11 10:34:05 +0000 |
| commit | 802fc8260d06c25a9f6df650a2b6d4f6a7a2ddb7 (patch) | |
| tree | c0537506d38fd9557cb7187d283e93bf64e8276e | |
| parent | 5a942c07c2080d0b155717dfeb1683078c493a21 (diff) | |
| download | gcc-802fc8260d06c25a9f6df650a2b6d4f6a7a2ddb7.zip gcc-802fc8260d06c25a9f6df650a2b6d4f6a7a2ddb7.tar.gz gcc-802fc8260d06c25a9f6df650a2b6d4f6a7a2ddb7.tar.bz2 | |
re PR libfortran/19478 (reading back from /dev/null)
PR fortran/19478
* io/unix.c (fd_truncate): update positions when ftruncate
fails (like writing to /dev/null).
* gfortran.dg/dev_null.f90: New test.
From-SVN: r99570
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/dev_null.f90 | 11 | ||||
| -rw-r--r-- | libgfortran/ChangeLog | 6 | ||||
| -rw-r--r-- | libgfortran/io/unix.c | 6 |
4 files changed, 25 insertions, 2 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index d2ee0ca..33a1e02 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2005-05-11 Bud Davis <bdavis@gfortran.org> + + * gfortran.dg/dev_null.f90: New test. + 2005-05-11 Richard Earnshaw <richard.earnshaw@arm.com> * gcc.dg/arm-vfp1.c: Revert last change. diff --git a/gcc/testsuite/gfortran.dg/dev_null.f90 b/gcc/testsuite/gfortran.dg/dev_null.f90 new file mode 100644 index 0000000..edf93db --- /dev/null +++ b/gcc/testsuite/gfortran.dg/dev_null.f90 @@ -0,0 +1,11 @@ +! { dg-do run } +! pr19478 read from /dev/null +! Thomas.Koenig@online.de + character*20 foo + open(10,file="/dev/null") + write(10,'(A)') "Hello" + rewind(10) + read(10,'(A)',end=100) foo + call abort + 100 continue + end diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog index fa866a1..eded92ed 100644 --- a/libgfortran/ChangeLog +++ b/libgfortran/ChangeLog @@ -1,3 +1,9 @@ +2005-05-11 Bud Davis <bdavis@gfortran.org> + + PR fortran/19478 + * io/unix.c (fd_truncate): update positions when ftruncate + fails (like writing to /dev/null). + 2005-05-10 Francois-Xavier Coudert <coudert@clipper.ens.fr> PR libfortran/21471 diff --git a/libgfortran/io/unix.c b/libgfortran/io/unix.c index 865eb68..92eea53 100644 --- a/libgfortran/io/unix.c +++ b/libgfortran/io/unix.c @@ -515,13 +515,15 @@ fd_truncate (unix_stream * s) #ifdef HAVE_FTRUNCATE if (ftruncate (s->fd, s->logical_offset)) - return FAILURE; #else #ifdef HAVE_CHSIZE if (chsize (s->fd, s->logical_offset)) - return FAILURE; #endif #endif + { + s->physical_offset = s->file_length = 0; + return FAILURE; + } s->physical_offset = s->file_length = s->logical_offset; |