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fix warning "ignoring return value" of fwrite.

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Merge pull request https://github.com/MariaDB/server/pull/343

contributed by Eric Herman.
This commit is contained in:
Jan Lindström 2017-04-05 08:54:20 +03:00
parent 09b28b3d10
commit e4a52670f4
1 changed files with 5 additions and 1 deletions
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6
sql/wsrep_binlog.cc
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@ -309,9 +309,13 @@ void wsrep_dump_rbr_buf(THD *thd, const void* rbr_buf, size_t buf_len)
} }
FILE *of= fopen(filename, "wb"); FILE *of= fopen(filename, "wb");
if (of) if (of)
{ {
fwrite (rbr_buf, buf_len, 1, of); if (fwrite(rbr_buf, buf_len, 1, of) == 0)
WSREP_ERROR("Failed to write buffer of length %llu to '%s'",
(unsigned long long)buf_len, filename);
fclose(of); fclose(of);
} }
else else