Mercurial > hg > octave-lojdl > gnulib-hg
changeset 15509:fcabcdea285e
closein: correct comments
* lib/closein.c (close_stdin): Improve comments.
Signed-off-by: Eric Blake <eblake@redhat.com>
| author | Eric Blake <eblake@redhat.com> |
|---|---|
| date | Wed, 10 Aug 2011 05:28:29 -0600 |
| parents | 1460b4d13112 |
| children | d15d71163ff3 |
| files | ChangeLog lib/closein.c |
| diffstat | 2 files changed, 8 insertions(+), 2 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2011-08-10 Eric Blake <eblake@redhat.com> + + closein: correct comments + * lib/closein.c (close_stdin): Improve comments. + 2011-08-09 Bruno Haible <bruno@clisp.org> More tests for 'fseeko'.
--- a/lib/closein.c +++ b/lib/closein.c @@ -55,7 +55,7 @@ For example, POSIX requires that these two commands behave alike: (sed -ne 1q; cat) < file - tail -n 1 file + tail -n +2 file Since close_stdin is commonly registered via 'atexit', POSIX and the C standard both say that it should not call 'exit', @@ -82,7 +82,8 @@ /* There is no need to flush stdin if we can determine quickly that stdin's input buffer is empty; in this case we know that if stdin is seekable, - fseeko (stdin, 0, SEEK_CUR) == lseek (0, 0, SEEK_CUR). */ + (fseeko (stdin, 0, SEEK_CUR), ftello (stdin)) + == lseek (0, 0, SEEK_CUR). */ if (freadahead (stdin) > 0) { /* Only attempt flush if stdin is seekable, as fflush is entitled to