30 lines
963 B
ReStructuredText
30 lines
963 B
ReStructuredText
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nghttp2_set_debug_vprintf_callback
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==================================
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Synopsis
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--------
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*#include <nghttp2/nghttp2.h>*
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.. function:: void nghttp2_set_debug_vprintf_callback( nghttp2_debug_vprintf_callback debug_vprintf_callback)
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Sets a debug output callback called by the library when built with
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``DEBUGBUILD`` macro defined. If this option is not used, debug
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log is written into standard error output.
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For builds without ``DEBUGBUILD`` macro defined, this function is
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noop.
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Note that building with ``DEBUGBUILD`` may cause significant
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performance penalty to libnghttp2 because of extra processing. It
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should be used for debugging purpose only.
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.. Warning::
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Building with ``DEBUGBUILD`` may cause significant performance
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penalty to libnghttp2 because of extra processing. It should be
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used for debugging purpose only. We write this two times because
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this is important.
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