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Merge pull request #34146 from kolyshkin/vasprintf

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devmapper_wrapper.go: fix gcc warning
Upstream-commit: 72959fc2161fdcd785ad54a38cd03049250236fb
Component: engine
This commit is contained in:
Brian Goff
2017-07-18 12:46:23 -04:00
committed by GitHub
parent 79a4b353ef 59f36f3793
commit b069176a2d
1 changed files with 6 additions and 1 deletions
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7
components/engine/pkg/devicemapper/devmapper_wrapper.go
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@ -15,10 +15,15 @@ static void log_cb(int level, const char *file, int line, int dm_errno_or_class,
{
char *buffer = NULL;
va_list ap;
int ret;
va_start(ap, f);
vasprintf(&buffer, f, ap);
ret = vasprintf(&buffer, f, ap);
va_end(ap);
if (ret < 0) {
// memory allocation failed -- should never happen?
return;
}
DevmapperLogCallback(level, (char *)file, line, dm_errno_or_class, buffer);
free(buffer);