While doing some other development I found it useful to print log messages in hex format.

The attached patch allows output of a string buffer in hex format using the format %X*s.

An example is:
ngx_log_debug2(NGX_LOG_DEBUG_EVENT, log, 0, "Buffer in hex is %X*s", sizeof(buffer), buffer);

The existing %*s format still works.

--
Daniel Black_______________________________________________
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