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author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2018-08-23 19:52:38 -0700 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-08-31 08:30:08 +0200 |
commit | 38829761d78eafb25309b5b3ba5ce85d91bf5ba3 (patch) | |
tree | 35f5662a953786ceb91e34f2f13c80b28547664f /include/libfile.h | |
parent | a4fbb73e3b7933225287a136e19866e0580660c0 (diff) | |
download | barebox-38829761d78eafb25309b5b3ba5ce85d91bf5ba3.tar.gz barebox-38829761d78eafb25309b5b3ba5ce85d91bf5ba3.tar.xz |
libfile: Introduce pwrite_full()
Analogous to what we have with write()/write_full(), introduce a
lightweight wrapper around pwrite() that guarantees the either all
data is going to be written or a negative error code would be
returned.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include/libfile.h')
-rw-r--r-- | include/libfile.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/libfile.h b/include/libfile.h index 2c5eef71f1..f1d6951877 100644 --- a/include/libfile.h +++ b/include/libfile.h @@ -1,6 +1,7 @@ #ifndef __LIBFILE_H #define __LIBFILE_H +int pwrite_full(int fd, const void *buf, size_t size, loff_t offset); int write_full(int fd, const void *buf, size_t size); int read_full(int fd, void *buf, size_t size); |