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libsodium

2.0.1
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libsodium Port Driver

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libsodium c_src drv libsodium_drv_common.h
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c_src/drv/libsodium_drv_common.h 

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

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



#ifndef LIBSODIUM_DRV_COMMON_H

#define LIBSODIUM_DRV_COMMON_H



#include <sys/types.h>

#include <erl_driver.h>

#include <ei.h>

#include <unistd.h>

#include <inttypes.h>

#include <string.h>

#include <stdio.h>

#include <sodium.h>



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



// #define TRACE	1

#ifdef TRACE

#define TRACE_C(c)                                                                                                                 \

    do {                                                                                                                           \

        putchar(c);                                                                                                                \

        fflush(stdout);                                                                                                            \

    } while (0)

#define TRACE_S(s)                                                                                                                 \

    do {                                                                                                                           \

        fputs((s), stdout);                                                                                                        \

        fflush(stdout);                                                                                                            \

    } while (0)

#define TRACE_F(...) erts_fprintf(stderr, __VA_ARGS__)

#else

#define TRACE_C(c) ((void)(0))

#define TRACE_S(s) ((void)(0))

#define TRACE_F(...) ((void)(0))

#endif



/* common */

typedef struct libsodium_drv_term_data {

    ErlDrvTermData am_ok;

    ErlDrvTermData am_error;

    ErlDrvTermData am_undefined;



} libsodium_drv_term_data_t;



extern libsodium_drv_term_data_t *libsodium_drv;

extern ErlDrvMutex *libsodium_mutex;



#define LS_ATOM(NAME) (ErlDrvTermData)(libsodium_drv->am_##NAME)

#define LS_STRING(NAME) (char *)(libsodium_drv->str_##NAME)



#define LS_FAIL_BADSPEC(PORT) (void)(driver_failure_atom(PORT, "bad_spec"))

#define LS_FAIL_OOM(PORT) (void)(driver_failure_atom(PORT, "out_of_memory"))



#endif