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io-util: add an unlikely decorator for a test that should never hold

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This commit is contained in:
Lennart Poettering 2018-02-19 18:37:50 +01:00
parent 8ac2f74fb6
commit 7f7210c210
1 changed files with 1 additions and 1 deletions
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2
src/basic/io-util.c
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@ -137,7 +137,7 @@ int loop_write(int fd, const void *buf, size_t nbytes, bool do_poll) {
assert(fd >= 0);
assert(buf);
if (nbytes > (size_t) SSIZE_MAX)
if (_unlikely_(nbytes > (size_t) SSIZE_MAX))
return -EINVAL;
do {