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re PR libfortran/30162 (Document when sequential I/O with named pipes works)

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2012-12-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/30162
	* io/unix.c (raw_tell):  If the lseek is done on a
	non-seekable file, return 0.

From-SVN: r194679
This commit is contained in:
Thomas Koenig 2012-12-21 20:50:48 +00:00
parent 4b71920ab6
commit a0edd35cf6
2 changed files with 15 additions and 1 deletions
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6
libgfortran/ChangeLog
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@ -1,3 +1,9 @@
2012-12-21 Thomas Koenig <tkoenig@gcc.gnu.org>
PR libfortran/30162
* io/unix.c (raw_tell): If the lseek is done on a
non-seekable file, return 0.
2012-12-20 Janus Weil <janus@gcc.gnu.org>
PR fortran/36044

10
libgfortran/io/unix.c
View file

@ -344,7 +344,15 @@ raw_seek (unix_stream * s, gfc_offset offset, int whence)
static gfc_offset
raw_tell (unix_stream * s)
{
return lseek (s->fd, 0, SEEK_CUR);
gfc_offset x;
x = lseek (s->fd, 0, SEEK_CUR);
/* Non-seekable files should always be assumed to be at
current position. */
if (x == -1 && errno == ESPIPE)
x = 0;
return x;
}
static gfc_offset