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author | Andy Wingo <wingo@pobox.com> | 2011-06-16 18:22:50 +0200 |
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committer | Andy Wingo <wingo@pobox.com> | 2011-06-16 19:47:25 +0200 |
commit | 3d458a81c64e4696157b23c7c4c4c150aa4a93b8 (patch) | |
tree | 1478fb3a9faaf203f517a8776f54d00884efdef6 /lib/ftell.c | |
parent | 0b77014f0c7d53b8bdbc7059c92f526560e1cacd (diff) | |
download | guile-3d458a81c64e4696157b23c7c4c4c150aa4a93b8.tar.gz |
gnulib update
Added pipe2 and open modules, to get O_CLOEXEC.
* libguile/Makefile.am (guile_filter_doc_snarfage$(EXEEXT)): Add gnulib
here, in the native build case, for rpl_fflush if needed.
foo
Diffstat (limited to 'lib/ftell.c')
-rw-r--r-- | lib/ftell.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/lib/ftell.c b/lib/ftell.c new file mode 100644 index 000000000..5ba3b32df --- /dev/null +++ b/lib/ftell.c @@ -0,0 +1,38 @@ +/* An ftell() function that works around platform bugs. + Copyright (C) 2007-2011 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#include <config.h> + +/* Specification. */ +#include <stdio.h> + +#include <errno.h> +/* Get off_t. */ +#include <unistd.h> + +long +ftell (FILE *fp) +{ + /* Use the replacement ftello function with all its workarounds. */ + off_t offset = ftello (fp); + if (offset == (long)offset) + return (long)offset; + else + { + errno = EOVERFLOW; + return -1; + } +} |