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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-01-20 10:55:18 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-01-20 10:55:18 +0000 |
commit | 70e9163c9c18e995515598085cb824e554eb7ae7 (patch) | |
tree | a42dc8b2a6c031354bf31472de888bfc8a060132 /lib/freadseek.h | |
parent | cbf5993c43f49281173f185863577d86bfac6eae (diff) | |
download | coreutils-tarball-70e9163c9c18e995515598085cb824e554eb7ae7.tar.gz |
coreutils-8.25HEADcoreutils-8.25master
Diffstat (limited to 'lib/freadseek.h')
-rw-r--r-- | lib/freadseek.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/lib/freadseek.h b/lib/freadseek.h new file mode 100644 index 0000000..3baec6e --- /dev/null +++ b/lib/freadseek.h @@ -0,0 +1,42 @@ +/* Skipping input from a FILE stream. + Copyright (C) 2007-2016 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 <stddef.h> +#include <stdio.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* Assuming the stream STREAM is open for reading: + + Read and discard OFFSET bytes from STREAM. + + freadseek (STREAM, OFFSET) is the same as + fseek (STREAM, OFFSET, SEEK_CUR), except that the latter does not work + on non-seekable input streams (such as pipes). + + Upon success, return 0. + Upon premature end of stream, return 0 (like fseek does). + Upon error, set the error indicator in the stream and return EOF. + + STREAM must not be wide-character oriented. */ + +extern int freadseek (FILE *stream, size_t offset); + +#ifdef __cplusplus +} +#endif |