--- /dev/null
+#ifndef __SETUP_ONCE_H
+#define __SETUP_ONCE_H
+
+
+/* Copyright (C) 2004 - 2013 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>
+
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#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
+
+#if defined(HAVE_STDBOOL_H) && defined(HAVE_BOOL_T)
+#include <stdbool.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#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
+
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+#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 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) (ares_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) (ares_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) (ares_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) (ares_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) (ares_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))
+#elif defined(HAVE_CLOSE_S)
+# define sclose(x) close_s((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 ISASCII(x) (isascii((int) ((unsigned char)x)))
+
+#define ISBLANK(x) (int)((((unsigned char)x) == ' ') || \
+ (((unsigned char)x) == '\t'))
+
+#define TOLOWER(x) (tolower((int) ((unsigned char)x)))
+
+
+/*
+ * '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's 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
+
+
+/*
+ * 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
+
+
+/*
+ * Macro WHILE_FALSE may be used to build single-iteration do-while loops,
+ * avoiding compiler warnings. Mostly intended for other macro definitions.
+ */
+
+#define WHILE_FALSE while(0)
+
+#if defined(_MSC_VER) && !defined(__POCC__)
+# undef WHILE_FALSE
+# if (_MSC_VER < 1500)
+# define WHILE_FALSE while(1, 0)
+# else
+# define WHILE_FALSE \
+__pragma(warning(push)) \
+__pragma(warning(disable:4127)) \
+while(0) \
+__pragma(warning(pop))
+# endif
+#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_FALSE
+#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_FALSE
+#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.
+ */
+
+#if defined(WIN32) && !defined(WATT32)
+#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
+#undef EWOULDBLOCK /* override definition in errno.h */
+#define EWOULDBLOCK WSAEWOULDBLOCK
+#undef EINPROGRESS /* override definition in errno.h */
+#define EINPROGRESS WSAEINPROGRESS
+#undef EALREADY /* override definition in errno.h */
+#define EALREADY WSAEALREADY
+#undef ENOTSOCK /* override definition in errno.h */
+#define ENOTSOCK WSAENOTSOCK
+#undef EDESTADDRREQ /* override definition in errno.h */
+#define EDESTADDRREQ WSAEDESTADDRREQ
+#undef EMSGSIZE /* override definition in errno.h */
+#define EMSGSIZE WSAEMSGSIZE
+#undef EPROTOTYPE /* override definition in errno.h */
+#define EPROTOTYPE WSAEPROTOTYPE
+#undef ENOPROTOOPT /* override definition in errno.h */
+#define ENOPROTOOPT WSAENOPROTOOPT
+#undef EPROTONOSUPPORT /* override definition in errno.h */
+#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
+#define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
+#undef EOPNOTSUPP /* override definition in errno.h */
+#define EOPNOTSUPP WSAEOPNOTSUPP
+#define EPFNOSUPPORT WSAEPFNOSUPPORT
+#undef EAFNOSUPPORT /* override definition in errno.h */
+#define EAFNOSUPPORT WSAEAFNOSUPPORT
+#undef EADDRINUSE /* override definition in errno.h */
+#define EADDRINUSE WSAEADDRINUSE
+#undef EADDRNOTAVAIL /* override definition in errno.h */
+#define EADDRNOTAVAIL WSAEADDRNOTAVAIL
+#undef ENETDOWN /* override definition in errno.h */
+#define ENETDOWN WSAENETDOWN
+#undef ENETUNREACH /* override definition in errno.h */
+#define ENETUNREACH WSAENETUNREACH
+#undef ENETRESET /* override definition in errno.h */
+#define ENETRESET WSAENETRESET
+#undef ECONNABORTED /* override definition in errno.h */
+#define ECONNABORTED WSAECONNABORTED
+#undef ECONNRESET /* override definition in errno.h */
+#define ECONNRESET WSAECONNRESET
+#undef ENOBUFS /* override definition in errno.h */
+#define ENOBUFS WSAENOBUFS
+#undef EISCONN /* override definition in errno.h */
+#define EISCONN WSAEISCONN
+#undef ENOTCONN /* override definition in errno.h */
+#define ENOTCONN WSAENOTCONN
+#define ESHUTDOWN WSAESHUTDOWN
+#define ETOOMANYREFS WSAETOOMANYREFS
+#undef ETIMEDOUT /* override definition in errno.h */
+#define ETIMEDOUT WSAETIMEDOUT
+#undef ECONNREFUSED /* override definition in errno.h */
+#define ECONNREFUSED WSAECONNREFUSED
+#undef ELOOP /* override definition in errno.h */
+#define ELOOP WSAELOOP
+#ifndef ENAMETOOLONG /* possible previous definition in errno.h */
+#define ENAMETOOLONG WSAENAMETOOLONG
+#endif
+#define EHOSTDOWN WSAEHOSTDOWN
+#undef EHOSTUNREACH /* override definition in errno.h */
+#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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