common.h

#ifndef __COMMON_H__
#define __COMMON_H__ 1

#include <config.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <assert.h>
#include <errno.h>
#include <stdarg.h>
#include <signal.h>
#include <limits.h>
#include <inttypes.h>
#include <stdint.h>
#include <stdbool.h>
#include <syslog.h>
#include <sys/wait.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <poll.h>
#include <dlfcn.h>
#include <spawn.h>

#define VERSION_MAJOR 1

#ifndef __GNUC__
# ifdef __attribute__
#  undef __attribute__
# endif
# define __attribute__(a)
#endif

#ifndef environ
# ifdef __APPLE__
#  include <crt_externs.h>
#  define environ (*_NSGetEnviron())
# else
extern char **environ;
# endif
#endif

#if defined(__APPLE__) && !defined(__clang__)
# define USE_INTERPOSERS 1
#endif

#ifdef USE_INTERPOSERS
# define INTERPOSE(F) sixjack_interposed_ ## F
#else
# define INTERPOSE(F) F
#endif

#if defined(__SUNPRO_C)
# define DLL_LOCAL  __attribute__ __hidden
# define DLL_PUBLIC __attribute__ __global
#elif defined(_MSG_VER)
# define DLL_LOCAL
# define DLL_PUBLIC extern __declspec(dllexport)
#else
# define DLL_LOCAL  __attribute__ ((visibility ("hidden")))
# define DLL_PUBLIC __attribute__ ((visibility ("default")))
#endif

#ifdef DEFINE_HOOK_GLOBALS
# define HOOK_GLOBAL
# ifndef DONT_BYPASS_HOOKS
#  error HOOK_GLOBAL can't be defined without DONT_BYPASS_HOOKS
# endif
#else
# define HOOK_GLOBAL extern
#endif

typedef struct AppContext_ {
    bool initialized;
    int log_fd;
    struct Filter_ *filter;
} AppContext;

AppContext *sixjack_get_context(void);
void sixjack_free_context(void);

#include "hooks.h"

#endif