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crc

0.8.2
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A library used to calculate CRC checksums for binary data.

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crc c_src nif xnif_trace.h
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c_src/nif/xnif_trace.h 

// -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; st-rulers: [132] -*-

// vim: ts=4 sw=4 ft=c++ et



#ifndef XNIF_TRACE_H

#define XNIF_TRACE_H



#include <assert.h>

#include <inttypes.h>

#include <stdbool.h>

#include <stdio.h>

#include <string.h>



#include <erl_nif.h>



#ifdef __cplusplus

extern "C" {

#endif



extern int erts_fprintf(FILE *, const char *, ...);



#ifdef __cplusplus

}

#endif



// #define XNIF_TRACE 1

#ifdef XNIF_TRACE

#define XNIF_TRACE_C(c)                                                                                                            \

    do {                                                                                                                           \

        putchar(c);                                                                                                                \

        fflush(stdout);                                                                                                            \

    } while (0)

#define XNIF_TRACE_S(s)                                                                                                            \

    do {                                                                                                                           \

        fputs((s), stdout);                                                                                                        \

        fflush(stdout);                                                                                                            \

    } while (0)

#define XNIF_TRACE_F(...)                                                                                                          \

    do {                                                                                                                           \

        erts_fprintf(stderr, "%p ", (void *)enif_thread_self());                                                                   \

        erts_fprintf(stderr, __VA_ARGS__);                                                                                         \

        fflush(stderr);                                                                                                            \

    } while (0)

#else

#define XNIF_TRACE_C(c) ((void)(0))

#define XNIF_TRACE_S(s) ((void)(0))

#define XNIF_TRACE_F(...) ((void)(0))

#endif



#endif