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#ifndef DDEBUG_H
#define DDEBUG_H
#include <ngx_config.h>
#include <ngx_core.h>
#if defined(DDEBUG) && (DDEBUG)
# define dd_dump_chain_size() { \
int n; \
ngx_chain_t *cl; \
\
for (n = 0, cl = ctx->out; cl; cl = cl->next, n++) { \
} \
\
dd("chain size: %d", n); \
}
# if (NGX_HAVE_VARIADIC_MACROS)
# define dd(...) fprintf(stderr, "rds-csv *** %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 ngx_inline void
dd(const char * fmt, ...) {
}
# endif
#else
# define dd_dump_chain_size()
# if (NGX_HAVE_VARIADIC_MACROS)
# define dd(...)
# else
#include <stdarg.h>
static ngx_inline void
dd(const char * fmt, ...) {
}
# endif
#endif
#if defined(DDEBUG) && (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 */
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