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authorYuriy Kolerov <yuriy.kolerov@synopsys.com>2015-09-23 15:43:39 +0300
committerWaldemar Brodkorb <wbx@openadk.org>2015-10-05 22:07:08 +0200
commit9fae2ad9937279c9f7f40975ac14cb7b57f4a36d (patch)
tree670781363cabeb335c490ee1f47e305b9bbf3a33 /include
parent4480f9b5558906fce2c35f1819d4e1fe5922a9fa (diff)
libc: posix_fallocate must return an error number on failure
posix_fallocate implementation in uClibc relies on fallocate system call - it just returns what fallocate returns. However fallocate returns -1 on failure and assigns an error number to errno variable. In the same time posix_fallocate must return an error number but not -1. What does this patch: if fallocate returns -1 then posix_fallocate returns errno. Otherwise posix_fallocate returns 0 on success. However there is a side effect - posix_fallocate sets errno on failure because fallocate does it. But POSIX does not forbid it thus it's not a problem. Signed-off-by: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
Diffstat (limited to 'include')
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