#ifndef HEADER_CURL_SETUP_ONCE_H

#define HEADER_CURL_SETUP_ONCE_H

/***************************************************************************

 *                                  _   _ ____  _

 *  Project                     ___| | | |  _ \| |

 *                             / __| | | | |_) | |

 *                            | (__| |_| |  _ <| |___

 *                             \___|\___/|_| \_\_____|

 *

 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.

 *

 * This software is licensed as described in the file COPYING, which

 * you should have received as part of this distribution. The terms

 * are also available at https://curl.se/docs/copyright.html.

 *

 * You may opt to use, copy, modify, merge, publish, distribute and/or sell

 * copies of the Software, and permit persons to whom the Software is

 * furnished to do so, under the terms of the COPYING file.

 *

 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY

 * KIND, either express or implied.

 *

 * SPDX-License-Identifier: curl

 *

 ***************************************************************************/

/*

 * Inclusion of common header files.

 */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <stdarg.h>

#include <time.h>

#ifndef UNDER_CE

#include <errno.h>

#endif

#ifdef HAVE_SYS_TYPES_H

#include <sys/types.h>

#endif

#include <sys/stat.h>

#if !defined(_WIN32) || defined(__MINGW32__)

#include <sys/time.h>

#endif

#ifdef HAVE_IO_H

#include <io.h>

#endif

#ifdef HAVE_FCNTL_H

#include <fcntl.h>

#endif

#if defined(HAVE_STDBOOL_H) && defined(HAVE_BOOL_T)

#include <stdbool.h>

#endif

#ifdef HAVE_UNISTD_H

#include <unistd.h>

#endif

#if defined(HAVE_STDINT_H) || defined(USE_WOLFSSL)

#include <stdint.h>

#endif

/* Macro to strip 'const' without triggering a compiler warning.

   Use it for APIs that do not or cannot support the const qualifier. */

#ifdef HAVE_STDINT_H

#  define CURL_UNCONST(p) ((void *)(uintptr_t)(const void *)(p))

#elif defined(_WIN32)  /* for VS2008 */

#  define CURL_UNCONST(p) ((void *)(ULONG_PTR)(const void *)(p))

#else

#  define CURL_UNCONST(p) ((void *)(p))  /* Fall back to simple cast */

#endif

#ifdef USE_SCHANNEL

/* Must set this before <schannel.h> is included directly or indirectly by

   another Windows header. */

#  define SCHANNEL_USE_BLACKLISTS 1

#endif

#ifdef __hpux

#  if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL)

#    ifdef _APP32_64BIT_OFF_T

#      define OLD_APP32_64BIT_OFF_T _APP32_64BIT_OFF_T

#      undef _APP32_64BIT_OFF_T

#    else

#      undef OLD_APP32_64BIT_OFF_T

#    endif

#  endif

#endif

#ifndef _WIN32

#include <sys/socket.h>

#endif

#include "functypes.h"

#ifdef __hpux

#  if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL)

#    ifdef OLD_APP32_64BIT_OFF_T

#      define _APP32_64BIT_OFF_T OLD_APP32_64BIT_OFF_T

#      undef OLD_APP32_64BIT_OFF_T

#    endif

#  endif

#endif

/*

 * Definition of timeval struct for platforms that do not have it.

 */

#ifndef HAVE_STRUCT_TIMEVAL

struct timeval {

  long tv_sec;

  long tv_usec;

};

#endif

/*

 * If we have the MSG_NOSIGNAL define, make sure we use

 * it as the fourth argument of function send()

 */

#ifdef HAVE_MSG_NOSIGNAL

#define SEND_4TH_ARG MSG_NOSIGNAL

#else

#define SEND_4TH_ARG 0

#endif

#ifdef __minix

/* Minix does not support recv on TCP sockets */

#define sread(x,y,z) (ssize_t)read((RECV_TYPE_ARG1)(x), \

                                   (RECV_TYPE_ARG2)(y), \

                                   (RECV_TYPE_ARG3)(z))

#elif defined(HAVE_RECV)

/*

 * The definitions for the return type and arguments types

 * of functions recv() and send() belong and come from the

 * configuration file. Do not define them in any other place.

 *

 * HAVE_RECV is defined if you have a function named recv()

 * which is used to read incoming data from sockets. If your

 * function has another name then do not define HAVE_RECV.

 *

 * If HAVE_RECV is defined then RECV_TYPE_ARG1, RECV_TYPE_ARG2,

 * RECV_TYPE_ARG3, RECV_TYPE_ARG4 and RECV_TYPE_RETV must also

 * be defined.

 *

 * HAVE_SEND is defined if you have a function named send()

 * which is used to write outgoing data on a connected socket.

 * If yours has another name then do not define HAVE_SEND.

 *

 * If HAVE_SEND is defined then SEND_TYPE_ARG1, SEND_QUAL_ARG2,

 * SEND_TYPE_ARG2, SEND_TYPE_ARG3, SEND_TYPE_ARG4 and

 * SEND_TYPE_RETV must also be defined.

 */

#define sread(x,y,z) (ssize_t)recv((RECV_TYPE_ARG1)(x), \

                                   (RECV_TYPE_ARG2)(y), \

                                   (RECV_TYPE_ARG3)(z), \

                                   (RECV_TYPE_ARG4)(0))

#else /* HAVE_RECV */

#ifndef sread

#error "Missing definition of macro sread!"

#endif

#endif /* HAVE_RECV */

#ifdef __minix

/* Minix does not support send on TCP sockets */

#define swrite(x,y,z) (ssize_t)write((SEND_TYPE_ARG1)(x), \

                                     (SEND_TYPE_ARG2)CURL_UNCONST(y), \

                                     (SEND_TYPE_ARG3)(z))

#elif defined(HAVE_SEND)

#define swrite(x,y,z) (ssize_t)send((SEND_TYPE_ARG1)(x), \

                              (SEND_QUAL_ARG2 SEND_TYPE_ARG2)CURL_UNCONST(y), \

                                    (SEND_TYPE_ARG3)(z), \

                                    (SEND_TYPE_ARG4)(SEND_4TH_ARG))

#else /* HAVE_SEND */

#ifndef swrite

#error "Missing definition of macro swrite!"

#endif

#endif /* HAVE_SEND */

/*

 * Function-like macro definition used to close a socket.

 */

#ifdef HAVE_CLOSESOCKET

#  define CURL_SCLOSE(x)  closesocket((x))

#elif defined(HAVE_CLOSESOCKET_CAMEL)

#  define CURL_SCLOSE(x)  CloseSocket((x))

#elif defined(MSDOS)  /* Watt-32 */

#  define CURL_SCLOSE(x)  close_s((x))

#elif defined(USE_LWIPSOCK)

#  define CURL_SCLOSE(x)  lwip_close((x))

#else

#  define CURL_SCLOSE(x)  close((x))

#endif

#define sclose(x)  CURL_SCLOSE(x)

/*

 * Stack-independent version of fcntl() on sockets:

 */

#ifdef USE_LWIPSOCK

#  define sfcntl  lwip_fcntl

#else

#  define sfcntl  fcntl

#endif

/*

 * 'bool' stuff compatible with HP-UX headers.

 */

#if defined(__hpux) && !defined(HAVE_BOOL_T)

   typedef int bool;

#  define false 0

#  define true 1

#  define HAVE_BOOL_T

#endif

/*

 * 'bool' exists on platforms with <stdbool.h>, i.e. C99 platforms.

 * On non-C99 platforms there is no bool, so define an enum for that.

 * On C99 platforms 'false' and 'true' also exist. Enum uses a

 * global namespace though, so use bool_false and bool_true.

 */

#ifndef HAVE_BOOL_T

  typedef enum {

    bool_false = 0,

    bool_true  = 1

  } bool;

/*

 * Use a define to let 'true' and 'false' use those enums. There

 * are currently no use of true and false in libcurl proper, but

 * there are some in the examples. This will cater for any later

 * code happening to use true and false.

 */

#  define false bool_false

#  define true  bool_true

#  define HAVE_BOOL_T

#endif

/* the type we use for storing a single boolean bit */

#ifdef _MSC_VER

typedef bool bit;

#define BIT(x) bool x

#else

typedef unsigned int bit;

#define BIT(x) bit x:1

#endif

/*

 * Redefine TRUE and FALSE too, to catch current use. With this

 * change, 'bool found = 1' will give a warning on MIPSPro, but

 * 'bool found = TRUE' will not. Change tested on IRIX/MIPSPro,

 * AIX 5.1/Xlc, Tru64 5.1/cc, w/make test too.

 */

#ifndef TRUE

#define TRUE true

#endif

#ifndef FALSE

#define FALSE false

#endif

#include "curl_ctype.h"

/*

 * Macro used to include code only in debug builds.

 */

#ifdef DEBUGBUILD

#define DEBUGF(x) x

#else

#define DEBUGF(x) do { } while(0)

#endif

/*

 * Macro used to include assertion code only in debug builds.

 */

#undef DEBUGASSERT

#ifdef DEBUGBUILD

#define DEBUGASSERT(x) assert(x)

#else

#define DEBUGASSERT(x) do { } while(0)

#endif

/*

 * Macro SOCKERRNO / SET_SOCKERRNO() returns / sets the *socket-related* errno

 * (or equivalent) on this platform to hide platform details to code using it.

 */

#ifdef USE_WINSOCK

#define SOCKERRNO         ((int)WSAGetLastError())

#define SET_SOCKERRNO(x)  (WSASetLastError((int)(x)))

#else

#define SOCKERRNO         (errno)

#define SET_SOCKERRNO(x)  (errno = (x))

#endif

/*

 * Portable error number symbolic names defined to Winsock error codes.

 */

#ifdef USE_WINSOCK

#define SOCKEACCES        WSAEACCES

#define SOCKEADDRINUSE    WSAEADDRINUSE

#define SOCKEADDRNOTAVAIL WSAEADDRNOTAVAIL

#define SOCKEAFNOSUPPORT  WSAEAFNOSUPPORT

#define SOCKEBADF         WSAEBADF

#define SOCKECONNREFUSED  WSAECONNREFUSED

#define SOCKECONNRESET    WSAECONNRESET

#define SOCKEINPROGRESS   WSAEINPROGRESS

#define SOCKEINTR         WSAEINTR

#define SOCKEINVAL        WSAEINVAL

#define SOCKEISCONN       WSAEISCONN

#define SOCKEMSGSIZE      WSAEMSGSIZE

#define SOCKENOMEM        WSA_NOT_ENOUGH_MEMORY

#define SOCKETIMEDOUT     WSAETIMEDOUT

#define SOCKEWOULDBLOCK   WSAEWOULDBLOCK

#else

#define SOCKEACCES        EACCES

#define SOCKEADDRINUSE    EADDRINUSE

#define SOCKEADDRNOTAVAIL EADDRNOTAVAIL

#define SOCKEAFNOSUPPORT  EAFNOSUPPORT

#define SOCKEBADF         EBADF

#define SOCKECONNREFUSED  ECONNREFUSED

#define SOCKECONNRESET    ECONNRESET

#define SOCKEINPROGRESS   EINPROGRESS

#define SOCKEINTR         EINTR

#define SOCKEINVAL        EINVAL

#define SOCKEISCONN       EISCONN

#define SOCKEMSGSIZE      EMSGSIZE

#define SOCKENOMEM        ENOMEM

#ifdef ETIMEDOUT

#define SOCKETIMEDOUT     ETIMEDOUT

#endif

#define SOCKEWOULDBLOCK   EWOULDBLOCK

#endif

/*

 * Macro argv_item_t hides platform details to code using it.

 */

#ifdef __VMS

#define argv_item_t  __char_ptr32

#elif defined(_UNICODE) && !defined(UNDER_CE)

#define argv_item_t  wchar_t *

#else

#define argv_item_t  char *

#endif

/*

 * We use this ZERO_NULL to avoid picky compiler warnings,

 * when assigning a NULL pointer to a function pointer var.

 */

#define ZERO_NULL 0

#endif /* HEADER_CURL_SETUP_ONCE_H */