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-rw-r--r--Utilities/cmcurl/lib/curl_setup.h886
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diff --git a/Utilities/cmcurl/lib/curl_setup.h b/Utilities/cmcurl/lib/curl_setup.h
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+++ b/Utilities/cmcurl/lib/curl_setup.h
@@ -0,0 +1,886 @@
+#ifndef HEADER_CURL_SETUP_H
+#define HEADER_CURL_SETUP_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
+ *
+ ***************************************************************************/
+
+#if defined(BUILDING_LIBCURL) && !defined(CURL_NO_OLDIES)
+#define CURL_NO_OLDIES
+#endif
+
+/* define mingw version macros, eg __MINGW{32,64}_{MINOR,MAJOR}_VERSION */
+#ifdef __MINGW32__
+#include <_mingw.h>
+#endif
+
+/*
+ * Disable Visual Studio warnings:
+ * 4127 "conditional expression is constant"
+ */
+#ifdef _MSC_VER
+#pragma warning(disable:4127)
+#endif
+
+/*
+ * Define WIN32 when build target is Win32 API
+ */
+
+#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
+#define WIN32
+#endif
+
+#ifdef WIN32
+/*
+ * Don't include unneeded stuff in Windows headers to avoid compiler
+ * warnings and macro clashes.
+ * Make sure to define this macro before including any Windows headers.
+ */
+# ifndef WIN32_LEAN_AND_MEAN
+# define WIN32_LEAN_AND_MEAN
+# endif
+# ifndef NOGDI
+# define NOGDI
+# endif
+/* Detect Windows App environment which has a restricted access
+ * to the Win32 APIs. */
+# if (defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0602)) || \
+ defined(WINAPI_FAMILY)
+# include <winapifamily.h>
+# if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && \
+ !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
+# define CURL_WINDOWS_APP
+# endif
+# endif
+#endif
+
+/*
+ * Include configuration script results or hand-crafted
+ * configuration file for platforms which lack config tool.
+ */
+
+#ifdef HAVE_CONFIG_H
+
+#include "curl_config.h"
+
+#else /* HAVE_CONFIG_H */
+
+#ifdef _WIN32_WCE
+# include "config-win32ce.h"
+#else
+# ifdef WIN32
+# include "config-win32.h"
+# endif
+#endif
+
+#ifdef macintosh
+# include "config-mac.h"
+#endif
+
+#ifdef __riscos__
+# include "config-riscos.h"
+#endif
+
+#ifdef __AMIGA__
+# include "config-amigaos.h"
+#endif
+
+#ifdef __OS400__
+# include "config-os400.h"
+#endif
+
+#ifdef __PLAN9__
+# include "config-plan9.h"
+#endif
+
+#ifdef MSDOS
+# include "config-dos.h"
+#endif
+
+#endif /* HAVE_CONFIG_H */
+
+#if defined(_MSC_VER)
+# pragma warning(push,1)
+#endif
+
+/* ================================================================ */
+/* Definition of preprocessor macros/symbols which modify compiler */
+/* behavior or generated code characteristics must be done here, */
+/* as appropriate, before any system header file is included. It is */
+/* also possible to have them defined in the config file included */
+/* before this point. As a result of all this we frown inclusion of */
+/* system header files in our config files, avoid this at any cost. */
+/* ================================================================ */
+
+/*
+ * AIX 4.3 and newer needs _THREAD_SAFE defined to build
+ * proper reentrant code. Others may also need it.
+ */
+
+#ifdef NEED_THREAD_SAFE
+# ifndef _THREAD_SAFE
+# define _THREAD_SAFE
+# endif
+#endif
+
+/*
+ * Tru64 needs _REENTRANT set for a few function prototypes and
+ * things to appear in the system header files. Unixware needs it
+ * to build proper reentrant code. Others may also need it.
+ */
+
+#ifdef NEED_REENTRANT
+# ifndef _REENTRANT
+# define _REENTRANT
+# endif
+#endif
+
+/* Solaris needs this to get a POSIX-conformant getpwuid_r */
+#if defined(sun) || defined(__sun)
+# ifndef _POSIX_PTHREAD_SEMANTICS
+# define _POSIX_PTHREAD_SEMANTICS 1
+# endif
+#endif
+
+/* ================================================================ */
+/* If you need to include a system header file for your platform, */
+/* please, do it beyond the point further indicated in this file. */
+/* ================================================================ */
+
+/*
+ * Disable other protocols when http is the only one desired.
+ */
+
+#ifdef HTTP_ONLY
+# ifndef CURL_DISABLE_DICT
+# define CURL_DISABLE_DICT
+# endif
+# ifndef CURL_DISABLE_FILE
+# define CURL_DISABLE_FILE
+# endif
+# ifndef CURL_DISABLE_FTP
+# define CURL_DISABLE_FTP
+# endif
+# ifndef CURL_DISABLE_GOPHER
+# define CURL_DISABLE_GOPHER
+# endif
+# ifndef CURL_DISABLE_IMAP
+# define CURL_DISABLE_IMAP
+# endif
+# ifndef CURL_DISABLE_LDAP
+# define CURL_DISABLE_LDAP
+# endif
+# ifndef CURL_DISABLE_LDAPS
+# define CURL_DISABLE_LDAPS
+# endif
+# ifndef CURL_DISABLE_MQTT
+# define CURL_DISABLE_MQTT
+# endif
+# ifndef CURL_DISABLE_POP3
+# define CURL_DISABLE_POP3
+# endif
+# ifndef CURL_DISABLE_RTSP
+# define CURL_DISABLE_RTSP
+# endif
+# ifndef CURL_DISABLE_SMB
+# define CURL_DISABLE_SMB
+# endif
+# ifndef CURL_DISABLE_SMTP
+# define CURL_DISABLE_SMTP
+# endif
+# ifndef CURL_DISABLE_TELNET
+# define CURL_DISABLE_TELNET
+# endif
+# ifndef CURL_DISABLE_TFTP
+# define CURL_DISABLE_TFTP
+# endif
+#endif
+
+/*
+ * When http is disabled rtsp is not supported.
+ */
+
+#if defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_RTSP)
+# define CURL_DISABLE_RTSP
+#endif
+
+/* ================================================================ */
+/* No system header file shall be included in this file before this */
+/* point. */
+/* ================================================================ */
+
+/*
+ * OS/400 setup file includes some system headers.
+ */
+
+#ifdef __OS400__
+# include "setup-os400.h"
+#endif
+
+/*
+ * VMS setup file includes some system headers.
+ */
+
+#ifdef __VMS
+# include "setup-vms.h"
+#endif
+
+/*
+ * Windows setup file includes some system headers.
+ */
+
+#ifdef HAVE_WINDOWS_H
+# include "setup-win32.h"
+#endif
+
+#include <curl/system.h>
+
+/*
+ * Use getaddrinfo to resolve the IPv4 address literal. If the current network
+ * interface doesn't support IPv4, but supports IPv6, NAT64, and DNS64,
+ * performing this task will result in a synthesized IPv6 address.
+ */
+#if defined(__APPLE__) && !defined(USE_ARES)
+#include <TargetConditionals.h>
+#define USE_RESOLVE_ON_IPS 1
+# if defined(TARGET_OS_OSX) && TARGET_OS_OSX
+# define CURL_OSX_CALL_COPYPROXIES 1
+# endif
+#endif
+
+#ifdef USE_LWIPSOCK
+# include <lwip/init.h>
+# include <lwip/sockets.h>
+# include <lwip/netdb.h>
+#endif
+
+#ifdef HAVE_EXTRA_STRICMP_H
+# include <extra/stricmp.h>
+#endif
+
+#ifdef HAVE_EXTRA_STRDUP_H
+# include <extra/strdup.h>
+#endif
+
+#ifdef __AMIGA__
+# ifdef __amigaos4__
+# define __USE_INLINE__
+ /* use our own resolver which uses runtime feature detection */
+# define CURLRES_AMIGA
+ /* getaddrinfo() currently crashes bsdsocket.library, so disable */
+# undef HAVE_GETADDRINFO
+# if !(defined(__NEWLIB__) || \
+ (defined(__CLIB2__) && defined(__THREAD_SAFE)))
+ /* disable threaded resolver with clib2 - requires newlib or clib-ts */
+# undef USE_THREADS_POSIX
+# endif
+# endif
+# include <exec/types.h>
+# include <exec/execbase.h>
+# include <proto/exec.h>
+# include <proto/dos.h>
+# include <unistd.h>
+# if defined(HAVE_PROTO_BSDSOCKET_H) && \
+ (!defined(__amigaos4__) || defined(USE_AMISSL))
+ /* use bsdsocket.library directly, instead of libc networking functions */
+# include <proto/bsdsocket.h>
+# ifdef __amigaos4__
+ int Curl_amiga_select(int nfds, fd_set *readfds, fd_set *writefds,
+ fd_set *errorfds, struct timeval *timeout);
+# define select(a,b,c,d,e) Curl_amiga_select(a,b,c,d,e)
+# else
+# define select(a,b,c,d,e) WaitSelect(a,b,c,d,e,0)
+# endif
+ /* must not use libc's fcntl() on bsdsocket.library sockfds! */
+# undef HAVE_FCNTL
+# undef HAVE_FCNTL_O_NONBLOCK
+# else
+ /* use libc networking and hence close() and fnctl() */
+# undef HAVE_CLOSESOCKET_CAMEL
+# undef HAVE_IOCTLSOCKET_CAMEL
+# endif
+/*
+ * In clib2 arpa/inet.h warns that some prototypes may clash
+ * with bsdsocket.library. This avoids the definition of those.
+ */
+# define __NO_NET_API
+#endif
+
+#include <stdio.h>
+#include <assert.h>
+
+#ifdef __TANDEM /* for ns*-tandem-nsk systems */
+# if ! defined __LP64
+# include <floss.h> /* FLOSS is only used for 32-bit builds. */
+# endif
+#endif
+
+#ifndef STDC_HEADERS /* no standard C headers! */
+#include <curl/stdcheaders.h>
+#endif
+
+#ifdef __POCC__
+# include <sys/types.h>
+# include <unistd.h>
+# define sys_nerr EILSEQ
+#endif
+
+/*
+ * Salford-C kludge section (mostly borrowed from wxWidgets).
+ */
+#ifdef __SALFORDC__
+ #pragma suppress 353 /* Possible nested comments */
+ #pragma suppress 593 /* Define not used */
+ #pragma suppress 61 /* enum has no name */
+ #pragma suppress 106 /* unnamed, unused parameter */
+ #include <clib.h>
+#endif
+
+/* Default Windows file API selection. */
+#ifdef _WIN32
+# if defined(_MSC_VER) && (_INTEGRAL_MAX_BITS >= 64)
+# define USE_WIN32_LARGE_FILES
+# elif defined(__MINGW32__)
+# define USE_WIN32_LARGE_FILES
+# else
+# define USE_WIN32_SMALL_FILES
+# endif
+#endif
+
+/*
+ * Large file (>2Gb) support using WIN32 functions.
+ */
+
+#ifdef USE_WIN32_LARGE_FILES
+# include <io.h>
+# include <sys/types.h>
+# include <sys/stat.h>
+# undef lseek
+# define lseek(fdes,offset,whence) _lseeki64(fdes, offset, whence)
+# undef fstat
+# define fstat(fdes,stp) _fstati64(fdes, stp)
+# undef stat
+# define stat(fname,stp) curlx_win32_stat(fname, stp)
+# define struct_stat struct _stati64
+# define LSEEK_ERROR (__int64)-1
+# define open curlx_win32_open
+# define fopen(fname,mode) curlx_win32_fopen(fname, mode)
+# define access(fname,mode) curlx_win32_access(fname, mode)
+ int curlx_win32_open(const char *filename, int oflag, ...);
+ int curlx_win32_stat(const char *path, struct_stat *buffer);
+ FILE *curlx_win32_fopen(const char *filename, const char *mode);
+ int curlx_win32_access(const char *path, int mode);
+#endif
+
+/*
+ * Small file (<2Gb) support using WIN32 functions.
+ */
+
+#ifdef USE_WIN32_SMALL_FILES
+# include <io.h>
+# include <sys/types.h>
+# include <sys/stat.h>
+# ifndef _WIN32_WCE
+# undef lseek
+# define lseek(fdes,offset,whence) _lseek(fdes, (long)offset, whence)
+# define fstat(fdes,stp) _fstat(fdes, stp)
+# define stat(fname,stp) curlx_win32_stat(fname, stp)
+# define struct_stat struct _stat
+# define open curlx_win32_open
+# define fopen(fname,mode) curlx_win32_fopen(fname, mode)
+# define access(fname,mode) curlx_win32_access(fname, mode)
+ int curlx_win32_stat(const char *path, struct_stat *buffer);
+ int curlx_win32_open(const char *filename, int oflag, ...);
+ FILE *curlx_win32_fopen(const char *filename, const char *mode);
+ int curlx_win32_access(const char *path, int mode);
+# endif
+# define LSEEK_ERROR (long)-1
+#endif
+
+#ifndef struct_stat
+# define struct_stat struct stat
+#endif
+
+#ifndef LSEEK_ERROR
+# define LSEEK_ERROR (off_t)-1
+#endif
+
+#ifndef SIZEOF_TIME_T
+/* assume default size of time_t to be 32 bit */
+#define SIZEOF_TIME_T 4
+#endif
+
+/*
+ * Default sizeof(off_t) in case it hasn't been defined in config file.
+ */
+
+#ifndef SIZEOF_OFF_T
+# if defined(__VMS) && !defined(__VAX)
+# if defined(_LARGEFILE)
+# define SIZEOF_OFF_T 8
+# endif
+# elif defined(__OS400__) && defined(__ILEC400__)
+# if defined(_LARGE_FILES)
+# define SIZEOF_OFF_T 8
+# endif
+# elif defined(__MVS__) && defined(__IBMC__)
+# if defined(_LP64) || defined(_LARGE_FILES)
+# define SIZEOF_OFF_T 8
+# endif
+# elif defined(__370__) && defined(__IBMC__)
+# if defined(_LP64) || defined(_LARGE_FILES)
+# define SIZEOF_OFF_T 8
+# endif
+# endif
+# ifndef SIZEOF_OFF_T
+# define SIZEOF_OFF_T 4
+# endif
+#endif
+
+#if (SIZEOF_CURL_OFF_T == 4)
+# define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFF)
+#else
+ /* assume SIZEOF_CURL_OFF_T == 8 */
+# define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
+#endif
+#define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1))
+
+#if (SIZEOF_TIME_T == 4)
+# ifdef HAVE_TIME_T_UNSIGNED
+# define TIME_T_MAX UINT_MAX
+# define TIME_T_MIN 0
+# else
+# define TIME_T_MAX INT_MAX
+# define TIME_T_MIN INT_MIN
+# endif
+#else
+# ifdef HAVE_TIME_T_UNSIGNED
+# define TIME_T_MAX 0xFFFFFFFFFFFFFFFF
+# define TIME_T_MIN 0
+# else
+# define TIME_T_MAX 0x7FFFFFFFFFFFFFFF
+# define TIME_T_MIN (-TIME_T_MAX - 1)
+# endif
+#endif
+
+#ifndef SIZE_T_MAX
+/* some limits.h headers have this defined, some don't */
+#if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4)
+#define SIZE_T_MAX 18446744073709551615U
+#else
+#define SIZE_T_MAX 4294967295U
+#endif
+#endif
+
+#ifndef SSIZE_T_MAX
+/* some limits.h headers have this defined, some don't */
+#if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4)
+#define SSIZE_T_MAX 9223372036854775807
+#else
+#define SSIZE_T_MAX 2147483647
+#endif
+#endif
+
+/*
+ * Arg 2 type for gethostname in case it hasn't been defined in config file.
+ */
+
+#ifndef GETHOSTNAME_TYPE_ARG2
+# ifdef USE_WINSOCK
+# define GETHOSTNAME_TYPE_ARG2 int
+# else
+# define GETHOSTNAME_TYPE_ARG2 size_t
+# endif
+#endif
+
+/* Below we define some functions. They should
+
+ 4. set the SIGALRM signal timeout
+ 5. set dir/file naming defines
+ */
+
+#ifdef WIN32
+
+# define DIR_CHAR "\\"
+
+#else /* WIN32 */
+
+# ifdef MSDOS /* Watt-32 */
+
+# include <sys/ioctl.h>
+# define select(n,r,w,x,t) select_s(n,r,w,x,t)
+# define ioctl(x,y,z) ioctlsocket(x,y,(char *)(z))
+# include <tcp.h>
+# ifdef word
+# undef word
+# endif
+# ifdef byte
+# undef byte
+# endif
+
+# endif /* MSDOS */
+
+# ifdef __minix
+ /* Minix 3 versions up to at least 3.1.3 are missing these prototypes */
+ extern char *strtok_r(char *s, const char *delim, char **last);
+ extern struct tm *gmtime_r(const time_t * const timep, struct tm *tmp);
+# endif
+
+# define DIR_CHAR "/"
+
+# ifndef fileno /* sunos 4 have this as a macro! */
+ int fileno(FILE *stream);
+# endif
+
+#endif /* WIN32 */
+
+/*
+ * msvc 6.0 requires PSDK in order to have INET6_ADDRSTRLEN
+ * defined in ws2tcpip.h as well as to provide IPv6 support.
+ * Does not apply if lwIP is used.
+ */
+
+#if defined(_MSC_VER) && !defined(__POCC__) && !defined(USE_LWIPSOCK)
+# if !defined(HAVE_WS2TCPIP_H) || \
+ ((_MSC_VER < 1300) && !defined(INET6_ADDRSTRLEN))
+# undef HAVE_GETADDRINFO_THREADSAFE
+# undef HAVE_FREEADDRINFO
+# undef HAVE_GETADDRINFO
+# undef ENABLE_IPV6
+# endif
+#endif
+
+/* ---------------------------------------------------------------- */
+/* resolver specialty compile-time defines */
+/* CURLRES_* defines to use in the host*.c sources */
+/* ---------------------------------------------------------------- */
+
+/*
+ * lcc-win32 doesn't have _beginthreadex(), lacks threads support.
+ */
+
+#if defined(__LCC__) && defined(WIN32)
+# undef USE_THREADS_POSIX
+# undef USE_THREADS_WIN32
+#endif
+
+/*
+ * MSVC threads support requires a multi-threaded runtime library.
+ * _beginthreadex() is not available in single-threaded ones.
+ */
+
+#if defined(_MSC_VER) && !defined(__POCC__) && !defined(_MT)
+# undef USE_THREADS_POSIX
+# undef USE_THREADS_WIN32
+#endif
+
+/*
+ * Mutually exclusive CURLRES_* definitions.
+ */
+
+#if defined(ENABLE_IPV6) && defined(HAVE_GETADDRINFO)
+# define CURLRES_IPV6
+#else
+# define CURLRES_IPV4
+#endif
+
+#ifdef USE_ARES
+# define CURLRES_ASYNCH
+# define CURLRES_ARES
+/* now undef the stock libc functions just to avoid them being used */
+# undef HAVE_GETADDRINFO
+# undef HAVE_FREEADDRINFO
+#elif defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
+# define CURLRES_ASYNCH
+# define CURLRES_THREADED
+#else
+# define CURLRES_SYNCH
+#endif
+
+/* ---------------------------------------------------------------- */
+
+/*
+ * msvc 6.0 does not have struct sockaddr_storage and
+ * does not define IPPROTO_ESP in winsock2.h. But both
+ * are available if PSDK is properly installed.
+ */
+
+#if defined(_MSC_VER) && !defined(__POCC__)
+# if !defined(HAVE_WINSOCK2_H) || ((_MSC_VER < 1300) && !defined(IPPROTO_ESP))
+# undef HAVE_STRUCT_SOCKADDR_STORAGE
+# endif
+#endif
+
+/*
+ * Intentionally fail to build when using msvc 6.0 without PSDK installed.
+ * The brave of heart can circumvent this, defining ALLOW_MSVC6_WITHOUT_PSDK
+ * in lib/config-win32.h although absolutely discouraged and unsupported.
+ */
+
+#if defined(_MSC_VER) && !defined(__POCC__)
+# if !defined(HAVE_WINDOWS_H) || ((_MSC_VER < 1300) && !defined(_FILETIME_))
+# if !defined(ALLOW_MSVC6_WITHOUT_PSDK)
+# error MSVC 6.0 requires "February 2003 Platform SDK" a.k.a. \
+ "Windows Server 2003 PSDK"
+# else
+# define CURL_DISABLE_LDAP 1
+# endif
+# endif
+#endif
+
+#if defined(HAVE_LIBIDN2) && defined(HAVE_IDN2_H) && !defined(USE_WIN32_IDN)
+/* The lib and header are present */
+#define USE_LIBIDN2
+#endif
+
+#if defined(USE_LIBIDN2) && defined(USE_WIN32_IDN)
+#error "Both libidn2 and WinIDN are enabled, choose one."
+#endif
+
+#define LIBIDN_REQUIRED_VERSION "0.4.1"
+
+#if defined(USE_GNUTLS) || defined(USE_OPENSSL) || defined(USE_NSS) || \
+ defined(USE_MBEDTLS) || \
+ defined(USE_WOLFSSL) || defined(USE_SCHANNEL) || \
+ defined(USE_SECTRANSP) || defined(USE_GSKIT) || \
+ defined(USE_BEARSSL) || defined(USE_RUSTLS)
+#define USE_SSL /* SSL support has been enabled */
+#endif
+
+/* Single point where USE_SPNEGO definition might be defined */
+#if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
+ (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI))
+#define USE_SPNEGO
+#endif
+
+/* Single point where USE_KERBEROS5 definition might be defined */
+#if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
+ (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI))
+#define USE_KERBEROS5
+#endif
+
+/* Single point where USE_NTLM definition might be defined */
+#if !defined(CURL_DISABLE_CRYPTO_AUTH) && !defined(CURL_DISABLE_NTLM)
+# if defined(USE_OPENSSL) || defined(USE_MBEDTLS) || \
+ defined(USE_GNUTLS) || defined(USE_NSS) || defined(USE_SECTRANSP) || \
+ defined(USE_OS400CRYPTO) || defined(USE_WIN32_CRYPTO) || \
+ (defined(USE_WOLFSSL) && defined(HAVE_WOLFSSL_DES_ECB_ENCRYPT))
+# define USE_CURL_NTLM_CORE
+# endif
+# if defined(USE_CURL_NTLM_CORE) || defined(USE_WINDOWS_SSPI)
+# define USE_NTLM
+# endif
+#endif
+
+#ifdef CURL_WANTS_CA_BUNDLE_ENV
+#error "No longer supported. Set CURLOPT_CAINFO at runtime instead."
+#endif
+
+#if defined(USE_LIBSSH2) || defined(USE_LIBSSH) || defined(USE_WOLFSSH)
+#define USE_SSH
+#endif
+
+/*
+ * Provide a mechanism to silence picky compilers, such as gcc 4.6+.
+ * Parameters should of course normally not be unused, but for example when
+ * we have multiple implementations of the same interface it may happen.
+ */
+
+#if defined(__GNUC__) && ((__GNUC__ >= 3) || \
+ ((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7)))
+# define UNUSED_PARAM __attribute__((__unused__))
+# define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
+#else
+# define UNUSED_PARAM /* NOTHING */
+# define WARN_UNUSED_RESULT
+#endif
+
+/*
+ * Include macros and defines that should only be processed once.
+ */
+
+#ifndef HEADER_CURL_SETUP_ONCE_H
+#include "curl_setup_once.h"
+#endif
+
+/*
+ * Definition of our NOP statement Object-like macro
+ */
+
+#ifndef Curl_nop_stmt
+# define Curl_nop_stmt do { } while(0)
+#endif
+
+/*
+ * Ensure that Winsock and lwIP TCP/IP stacks are not mixed.
+ */
+
+#if defined(__LWIP_OPT_H__) || defined(LWIP_HDR_OPT_H)
+# if defined(SOCKET) || \
+ defined(USE_WINSOCK) || \
+ defined(HAVE_WINSOCK2_H) || \
+ defined(HAVE_WS2TCPIP_H)
+# error "WinSock and lwIP TCP/IP stack definitions shall not coexist!"
+# endif
+#endif
+
+/*
+ * shutdown() flags for systems that don't define them
+ */
+
+#ifndef SHUT_RD
+#define SHUT_RD 0x00
+#endif
+
+#ifndef SHUT_WR
+#define SHUT_WR 0x01
+#endif
+
+#ifndef SHUT_RDWR
+#define SHUT_RDWR 0x02
+#endif
+
+/* Define S_ISREG if not defined by system headers, e.g. MSVC */
+#if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG)
+#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
+#endif
+
+/* Define S_ISDIR if not defined by system headers, e.g. MSVC */
+#if !defined(S_ISDIR) && defined(S_IFMT) && defined(S_IFDIR)
+#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
+#endif
+
+/* In Windows the default file mode is text but an application can override it.
+Therefore we specify it explicitly. https://github.com/curl/curl/pull/258
+*/
+#if defined(WIN32) || defined(MSDOS)
+#define FOPEN_READTEXT "rt"
+#define FOPEN_WRITETEXT "wt"
+#define FOPEN_APPENDTEXT "at"
+#elif defined(__CYGWIN__)
+/* Cygwin has specific behavior we need to address when WIN32 is not defined.
+https://cygwin.com/cygwin-ug-net/using-textbinary.html
+For write we want our output to have line endings of LF and be compatible with
+other Cygwin utilities. For read we want to handle input that may have line
+endings either CRLF or LF so 't' is appropriate.
+*/
+#define FOPEN_READTEXT "rt"
+#define FOPEN_WRITETEXT "w"
+#define FOPEN_APPENDTEXT "a"
+#else
+#define FOPEN_READTEXT "r"
+#define FOPEN_WRITETEXT "w"
+#define FOPEN_APPENDTEXT "a"
+#endif
+
+/* Windows workaround to recv before every send, because apparently Winsock
+ * destroys destroys recv() buffer when send() failed.
+ * This workaround is now disabled by default since it caused hard to fix bugs.
+ * Define USE_RECV_BEFORE_SEND_WORKAROUND to enable it.
+ * https://github.com/curl/curl/issues/657
+ * https://github.com/curl/curl/pull/10409
+ */
+#if !defined(DONT_USE_RECV_BEFORE_SEND_WORKAROUND)
+# if defined(WIN32) || defined(__CYGWIN__)
+/* # define USE_RECV_BEFORE_SEND_WORKAROUND */
+# endif
+#else /* DONT_USE_RECV_BEFORE_SEND_WORKAROUND */
+# ifdef USE_RECV_BEFORE_SEND_WORKAROUND
+# undef USE_RECV_BEFORE_SEND_WORKAROUND
+# endif
+#endif /* DONT_USE_RECV_BEFORE_SEND_WORKAROUND */
+
+/* for systems that don't detect this in configure */
+#ifndef CURL_SA_FAMILY_T
+# if defined(HAVE_SA_FAMILY_T)
+# define CURL_SA_FAMILY_T sa_family_t
+# elif defined(HAVE_ADDRESS_FAMILY)
+# define CURL_SA_FAMILY_T ADDRESS_FAMILY
+# else
+/* use a sensible default */
+# define CURL_SA_FAMILY_T unsigned short
+# endif
+#endif
+
+/* Some convenience macros to get the larger/smaller value out of two given.
+ We prefix with CURL to prevent name collisions. */
+#define CURLMAX(x,y) ((x)>(y)?(x):(y))
+#define CURLMIN(x,y) ((x)<(y)?(x):(y))
+
+/* A convenience macro to provide both the string literal and the length of
+ the string literal in one go, useful for functions that take "string,len"
+ as their argument */
+#define STRCONST(x) x,sizeof(x)-1
+
+/* Some versions of the Android SDK is missing the declaration */
+#if defined(HAVE_GETPWUID_R) && defined(HAVE_DECL_GETPWUID_R_MISSING)
+struct passwd;
+int getpwuid_r(uid_t uid, struct passwd *pwd, char *buf,
+ size_t buflen, struct passwd **result);
+#endif
+
+#ifdef DEBUGBUILD
+#define UNITTEST
+#else
+#define UNITTEST static
+#endif
+
+#if defined(USE_NGHTTP2) || defined(USE_HYPER)
+#define USE_HTTP2
+#endif
+
+#if defined(USE_NGTCP2) || defined(USE_QUICHE) || defined(USE_MSH3)
+#define ENABLE_QUIC
+#define USE_HTTP3
+#endif
+
+/* Certain Windows implementations are not aligned with what curl expects,
+ so always use the local one on this platform. E.g. the mingw-w64
+ implementation can return wrong results for non-ASCII inputs. */
+#if defined(HAVE_BASENAME) && defined(WIN32)
+#undef HAVE_BASENAME
+#endif
+
+#if defined(USE_UNIX_SOCKETS) && defined(WIN32)
+# if defined(__MINGW32__) && !defined(LUP_SECURE)
+ typedef u_short ADDRESS_FAMILY; /* Classic mingw, 11y+ old mingw-w64 */
+# endif
+# if !defined(UNIX_PATH_MAX)
+ /* Replicating logic present in afunix.h
+ (distributed with newer Windows 10 SDK versions only) */
+# define UNIX_PATH_MAX 108
+ /* !checksrc! disable TYPEDEFSTRUCT 1 */
+ typedef struct sockaddr_un {
+ ADDRESS_FAMILY sun_family;
+ char sun_path[UNIX_PATH_MAX];
+ } SOCKADDR_UN, *PSOCKADDR_UN;
+# define WIN32_SOCKADDR_UN
+# endif
+#endif
+
+/* OpenSSLv3 marks DES, MD5 and ENGINE functions deprecated but we have no
+ replacements (yet) so tell the compiler to not warn for them. */
+#ifdef USE_OPENSSL
+#define OPENSSL_SUPPRESS_DEPRECATED
+#endif
+
+#endif /* HEADER_CURL_SETUP_H */