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curl/ares/setup_once.h

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#ifndef __SETUP_ONCE_H
#define __SETUP_ONCE_H
/* $Id$ */
/* Copyright (C) 2004 - 2009 by Daniel Stenberg et al
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of M.I.T. not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. M.I.T. makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*/
/********************************************************************
* NOTICE *
* ======== *
* *
* Content of header files lib/setup_once.h and ares/setup_once.h *
* must be kept in sync. Modify the other one if you change this. *
* *
********************************************************************/
/*
* Inclusion of common header files.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <ctype.h>
#include <errno.h>
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef NEED_MALLOC_H
#include <malloc.h>
#endif
#ifdef NEED_MEMORY_H
#include <memory.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#ifdef TIME_WITH_SYS_TIME
#include <time.h>
#endif
#else
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#endif
#ifdef WIN32
#include <io.h>
#include <fcntl.h>
#endif
#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#endif
/*
* Definition of timeval struct for platforms that don't 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
#if defined(__minix)
/* Minix doesn't 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 don't 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 don't 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.
*/
#if !defined(RECV_TYPE_ARG1) || \
!defined(RECV_TYPE_ARG2) || \
!defined(RECV_TYPE_ARG3) || \
!defined(RECV_TYPE_ARG4) || \
!defined(RECV_TYPE_RETV)
/* */
Error Missing_definition_of_return_and_arguments_types_of_recv
/* */
#else
#define sread(x,y,z) (ssize_t)recv((RECV_TYPE_ARG1)(x), \
(RECV_TYPE_ARG2)(y), \
(RECV_TYPE_ARG3)(z), \
(RECV_TYPE_ARG4)(0))
#endif
#else /* HAVE_RECV */
#ifndef sread
/* */
Error Missing_definition_of_macro_sread
/* */
#endif
#endif /* HAVE_RECV */
#if defined(__minix)
/* Minix doesn't support send on TCP sockets */
#define swrite(x,y,z) (ssize_t)write((SEND_TYPE_ARG1)(x), \
(SEND_TYPE_ARG2)(y), \
(SEND_TYPE_ARG3)(z))
#elif defined(HAVE_SEND)
#if !defined(SEND_TYPE_ARG1) || \
!defined(SEND_QUAL_ARG2) || \
!defined(SEND_TYPE_ARG2) || \
!defined(SEND_TYPE_ARG3) || \
!defined(SEND_TYPE_ARG4) || \
!defined(SEND_TYPE_RETV)
/* */
Error Missing_definition_of_return_and_arguments_types_of_send
/* */
#else
#define swrite(x,y,z) (ssize_t)send((SEND_TYPE_ARG1)(x), \
(SEND_TYPE_ARG2)(y), \
(SEND_TYPE_ARG3)(z), \
(SEND_TYPE_ARG4)(SEND_4TH_ARG))
#endif
#else /* HAVE_SEND */
#ifndef swrite
/* */
Error Missing_definition_of_macro_swrite
/* */
#endif
#endif /* HAVE_SEND */
#if 0
#if defined(HAVE_RECVFROM)
/*
* Currently recvfrom is only used on udp sockets.
*/
#if !defined(RECVFROM_TYPE_ARG1) || \
!defined(RECVFROM_TYPE_ARG2) || \
!defined(RECVFROM_TYPE_ARG3) || \
!defined(RECVFROM_TYPE_ARG4) || \
!defined(RECVFROM_TYPE_ARG5) || \
!defined(RECVFROM_TYPE_ARG6) || \
!defined(RECVFROM_TYPE_RETV)
/* */
Error Missing_definition_of_return_and_arguments_types_of_recvfrom
/* */
#else
#define sreadfrom(s,b,bl,f,fl) (ssize_t)recvfrom((RECVFROM_TYPE_ARG1) (s), \
(RECVFROM_TYPE_ARG2 *)(b), \
(RECVFROM_TYPE_ARG3) (bl), \
(RECVFROM_TYPE_ARG4) (0), \
(RECVFROM_TYPE_ARG5 *)(f), \
(RECVFROM_TYPE_ARG6 *)(fl))
#endif
#else /* HAVE_RECVFROM */
#ifndef sreadfrom
/* */
Error Missing_definition_of_macro_sreadfrom
/* */
#endif
#endif /* HAVE_RECVFROM */
#ifdef RECVFROM_TYPE_ARG6_IS_VOID
# define RECVFROM_ARG6_T int
#else
# define RECVFROM_ARG6_T RECVFROM_TYPE_ARG6
#endif
#endif /* if 0 */
/*
* Function-like macro definition used to close a socket.
*/
#if defined(HAVE_CLOSESOCKET)
# define sclose(x) closesocket((x))
#elif defined(HAVE_CLOSESOCKET_CAMEL)
# define sclose(x) CloseSocket((x))
#else
# define sclose(x) close((x))
#endif
/*
* Uppercase macro versions of ANSI/ISO is*() functions/macros which
* avoid negative number inputs with argument byte codes > 127.
*/
#define ISSPACE(x) (isspace((int) ((unsigned char)x)))
#define ISDIGIT(x) (isdigit((int) ((unsigned char)x)))
#define ISALNUM(x) (isalnum((int) ((unsigned char)x)))
#define ISXDIGIT(x) (isxdigit((int) ((unsigned char)x)))
#define ISGRAPH(x) (isgraph((int) ((unsigned char)x)))
#define ISALPHA(x) (isalpha((int) ((unsigned char)x)))
#define ISPRINT(x) (isprint((int) ((unsigned char)x)))
#define ISUPPER(x) (isupper((int) ((unsigned char)x)))
#define ISLOWER(x) (islower((int) ((unsigned char)x)))
#define ISBLANK(x) (int)((((unsigned char)x) == ' ') || \
(((unsigned char)x) == '\t'))
/*
* Typedef to 'unsigned char' if bool is not an available 'typedefed' type.
*/
#ifndef HAVE_BOOL_T
typedef unsigned char bool;
#define HAVE_BOOL_T
#endif
/*
* Default definition of uppercase TRUE and FALSE.
*/
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
/*
* Typedef to 'int' if sig_atomic_t is not an available 'typedefed' type.
*/
#ifndef HAVE_SIG_ATOMIC_T
typedef int sig_atomic_t;
#define HAVE_SIG_ATOMIC_T
#endif
/*
* Convenience SIG_ATOMIC_T definition
*/
#ifdef HAVE_SIG_ATOMIC_T_VOLATILE
#define SIG_ATOMIC_T static sig_atomic_t
#else
#define SIG_ATOMIC_T static volatile sig_atomic_t
#endif
/*
* Default return type for signal handlers.
*/
#ifndef RETSIGTYPE
#define RETSIGTYPE void
#endif
/*
* 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.
*/
#if defined(DEBUGBUILD) && defined(HAVE_ASSERT_H)
#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
/*
* Macro ERRNO / SET_ERRNO() returns / sets the NOT *socket-related* errno
* (or equivalent) on this platform to hide platform details to code using it.
*/
#ifdef WIN32
#define ERRNO ((int)GetLastError())
#define SET_ERRNO(x) (SetLastError((DWORD)(x)))
#else
#define ERRNO (errno)
#define SET_ERRNO(x) (errno = (x))
#endif
/*
* Portable error number symbolic names defined to Winsock error codes.
*/
#ifdef USE_WINSOCK
#undef EBADF /* override definition in errno.h */
#define EBADF WSAEBADF
#undef EINTR /* override definition in errno.h */
#define EINTR WSAEINTR
#undef EINVAL /* override definition in errno.h */
#define EINVAL WSAEINVAL
#define EWOULDBLOCK WSAEWOULDBLOCK
#define EINPROGRESS WSAEINPROGRESS
#define EALREADY WSAEALREADY
#define ENOTSOCK WSAENOTSOCK
#define EDESTADDRREQ WSAEDESTADDRREQ
#define EMSGSIZE WSAEMSGSIZE
#define EPROTOTYPE WSAEPROTOTYPE
#define ENOPROTOOPT WSAENOPROTOOPT
#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
#define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
#define EOPNOTSUPP WSAEOPNOTSUPP
#define EPFNOSUPPORT WSAEPFNOSUPPORT
#define EAFNOSUPPORT WSAEAFNOSUPPORT
#define EADDRINUSE WSAEADDRINUSE
#define EADDRNOTAVAIL WSAEADDRNOTAVAIL
#define ENETDOWN WSAENETDOWN
#define ENETUNREACH WSAENETUNREACH
#define ENETRESET WSAENETRESET
#define ECONNABORTED WSAECONNABORTED
#define ECONNRESET WSAECONNRESET
#define ENOBUFS WSAENOBUFS
#define EISCONN WSAEISCONN
#define ENOTCONN WSAENOTCONN
#define ESHUTDOWN WSAESHUTDOWN
#define ETOOMANYREFS WSAETOOMANYREFS
#define ETIMEDOUT WSAETIMEDOUT
#define ECONNREFUSED WSAECONNREFUSED
#define ELOOP WSAELOOP
#ifndef ENAMETOOLONG /* possible previous definition in errno.h */
#define ENAMETOOLONG WSAENAMETOOLONG
#endif
#define EHOSTDOWN WSAEHOSTDOWN
#define EHOSTUNREACH WSAEHOSTUNREACH
#ifndef ENOTEMPTY /* possible previous definition in errno.h */
#define ENOTEMPTY WSAENOTEMPTY
#endif
#define EPROCLIM WSAEPROCLIM
#define EUSERS WSAEUSERS
#define EDQUOT WSAEDQUOT
#define ESTALE WSAESTALE
#define EREMOTE WSAEREMOTE
#endif
/*
* Actually use __32_getpwuid() on 64-bit VMS builds for getpwuid()
*/
#if defined(__VMS) && \
defined(__INITIAL_POINTER_SIZE) && (__INITIAL_POINTER_SIZE == 64)
#define getpwuid __32_getpwuid
#endif
/*
* Macro argv_item_t hides platform details to code using it.
*/
#ifdef __VMS
#define argv_item_t __char_ptr32
#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 /* __SETUP_ONCE_H */
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