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// From: https://raw.githubusercontent.com/openresty/lua-nginx-module/master/src/ddebug.h
/*
* Copyright (C) Yichun Zhang (agentzh)
*/
#ifndef _DDEBUG_H_INCLUDED_
#define _DDEBUG_H_INCLUDED_
#include <ngx_core.h>
/*
* #undef MODSECURITY_DDEBUG
* #define MODSECURITY_DDEBUG 1
*/
/*
* Setting MODSECURITY_SANITY_CHECKS will help you in the debug process. By
* defining MODSECURITY_SANITY_CHECKS a set of functions will be executed in
* order to make sure the well behavior of ModSecurity, letting you know (via
* debug_logs) if something unexpected happens.
*
* If performance is not a concern, it is safe to keep it set.
*
*/
#ifndef MODSECURITY_SANITY_CHECKS
#define MODSECURITY_SANITY_CHECKS 0
#endif
#if defined(MODSECURITY_DDEBUG) && (MODSECURITY_DDEBUG)
# if (NGX_HAVE_VARIADIC_MACROS)
# define dd(...) fprintf(stderr, "modsec *** %s: ", __func__); \
fprintf(stderr, __VA_ARGS__); \
fprintf(stderr, " at %s line %d.\n", __FILE__, __LINE__)
# else
#include <stdarg.h>
#include <stdio.h>
#include <stdarg.h>
static void dd(const char *fmt, ...) {
}
# endif
#else
# if (NGX_HAVE_VARIADIC_MACROS)
# define dd(...)
# else
#include <stdarg.h>
static void dd(const char *fmt, ...) {
}
# endif
#endif
#if defined(MODSECURITY_DDEBUG) && (MODSECURITY_DDEBUG)
#define dd_check_read_event_handler(r) \
dd("r->read_event_handler = %s", \
r->read_event_handler == ngx_http_block_reading ? \
"ngx_http_block_reading" : \
r->read_event_handler == ngx_http_test_reading ? \
"ngx_http_test_reading" : \
r->read_event_handler == ngx_http_request_empty_handler ? \
"ngx_http_request_empty_handler" : "UNKNOWN")
#define dd_check_write_event_handler(r) \
dd("r->write_event_handler = %s", \
r->write_event_handler == ngx_http_handler ? \
"ngx_http_handler" : \
r->write_event_handler == ngx_http_core_run_phases ? \
"ngx_http_core_run_phases" : \
r->write_event_handler == ngx_http_request_empty_handler ? \
"ngx_http_request_empty_handler" : "UNKNOWN")
#else
#define dd_check_read_event_handler(r)
#define dd_check_write_event_handler(r)
#endif
#endif /* _DDEBUG_H_INCLUDED_ */
/* vi:set ft=c ts=4 sw=4 et fdm=marker: */
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