diff options
author | Simon Josefsson <simon@josefsson.org> | 2011-08-03 01:16:03 +0200 |
---|---|---|
committer | Simon Josefsson <simon@josefsson.org> | 2011-08-03 01:54:47 +0200 |
commit | ae155d81b9b0282e1fe2fdfc18f3bfa3ec6a5074 (patch) | |
tree | e66003dc5af9746fbe3b652414362cc704bc6de8 /gl/ftell.c | |
parent | 5ca16d756ababb14e31d09ac4f1c1514de2ff5b9 (diff) | |
download | gnutls-ae155d81b9b0282e1fe2fdfc18f3bfa3ec6a5074.tar.gz |
Update gnulib files. Fix syntax-check usage.
Diffstat (limited to 'gl/ftell.c')
-rw-r--r-- | gl/ftell.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gl/ftell.c b/gl/ftell.c new file mode 100644 index 0000000000..74ec986e27 --- /dev/null +++ b/gl/ftell.c @@ -0,0 +1,37 @@ +/* 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 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 General Public License for more details. + + You should have received a copy of the GNU 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> +#include <limits.h> + +long +ftell (FILE *fp) +{ + /* Use the replacement ftello function with all its workarounds. */ + off_t offset = ftello (fp); + if (LONG_MIN <= offset && offset <= LONG_MAX) + return /* (long) */ offset; + else + { + errno = EOVERFLOW; + return -1; + } +} |