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author | Anas Nashif <anas.nashif@intel.com> | 2012-07-21 17:12:39 +0100 |
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committer | Anas Nashif <anas.nashif@intel.com> | 2012-07-23 10:19:53 +0100 |
commit | 3f1932e927ae070261a8d428d5c5f158c2f525ba (patch) | |
tree | 286e9acc48a43dd751e4112144eb7d4d6ba62533 /lib/safe-read.h | |
parent | f86053dd05b02441d0c27eb68524ae3c1cf0fe81 (diff) | |
download | cpio-3f1932e927ae070261a8d428d5c5f158c2f525ba.tar.gz cpio-3f1932e927ae070261a8d428d5c5f158c2f525ba.tar.bz2 cpio-3f1932e927ae070261a8d428d5c5f158c2f525ba.zip |
downgrade to 2.8 (GPLv2)
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Diffstat (limited to 'lib/safe-read.h')
-rw-r--r-- | lib/safe-read.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/safe-read.h b/lib/safe-read.h new file mode 100644 index 0000000..3451955 --- /dev/null +++ b/lib/safe-read.h @@ -0,0 +1,35 @@ +/* An interface to read() that retries after interrupts. + Copyright (C) 2002, 2006 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 2, 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, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +#include <stddef.h> + +#ifdef __cplusplus +extern "C" { +#endif + + +#define SAFE_READ_ERROR ((size_t) -1) + +/* Read up to COUNT bytes at BUF from descriptor FD, retrying if interrupted. + Return the actual number of bytes read, zero for EOF, or SAFE_READ_ERROR + upon error. */ +extern size_t safe_read (int fd, void *buf, size_t count); + + +#ifdef __cplusplus +} +#endif |