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libsodium

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libsodium Port Driver

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libsodium c_src libsodium_drv_common.h
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c_src/libsodium_drv_common.h 

// -*- mode: c; tab-width: 8; indent-tabs-mode: 1; st-rulers: [70] -*-

// vim: ts=8 sw=8 ft=c noet



#ifndef LIBSODIUM_DRV_COMMON_H

#define LIBSODIUM_DRV_COMMON_H



#include <sys/types.h>

#include <erl_driver.h>

#include <erl_interface.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