tools: fix case where specifying --mmap 0 fails
Signed-off-by: Aaron Teo <aaron.teo1@ibm.com>
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@ -1072,6 +1072,8 @@ static cmd_params parse_cmd_params(int argc, char ** argv) {
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// if so, we disable mmap to avoid the situation where they see no difference
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if (params.use_mmap.empty() && !params.use_direct_io.empty()) {
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params.use_mmap.push_back(false);
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} else if (params.use_mmap.size() > 0 && params.use_direct_io.empty()) {
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params.use_direct_io.push_back(false);
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} else if (params.use_mmap.size() != params.use_direct_io.size()) {
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// if both are specified, they must have the same number of values
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fprintf(stderr, "error: --mmap and --direct-io must have the same number of values\n");
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