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The mkstemp() algorithm for selecting file names has proven to be immune to attacks. This solution is not serially reusable, however, because the mkstemp() function replaces the "XXXXXX" in template the first it is invoked. On subsequent passes through the codeThis is not a problem, as long as template is reinitialized before calling mkstemp() a second time. If template is not reinitialized, the mkstemp() function will do nothing because the template passed to it contains no X's.
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