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util-lib: mark variable with _unused_ to silence clang warning

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_unused_ means "the variable is meant to be possible unused and gcc
will not generate a warning about it", which is exactly what we need here,
since we're only declaring it for the side effect of _cleanup_.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2017-11-01 23:01:24 +01:00
parent 5180446051
commit 3f6914175c
1 changed files with 1 additions and 1 deletions
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src/basic/fileio.c
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@ -1556,7 +1556,7 @@ int read_line(FILE *f, size_t limit, char **ret) {
}
{
_cleanup_(funlockfilep) FILE *flocked = f;
_unused_ _cleanup_(funlockfilep) FILE *flocked = f;
flockfile(f);
for (;;) {