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curl/lib/config-win32.h
Viktor Szakats 2a292c3984
build: add Windows CE / CeGCC support, with CI jobs 
Make it possible to build curl for Windows CE using the CeGCC toolchain.
With both CMake and autotools, including tests and examples, also in CI.
The build configuration is the default one with Schannel enabled. No
3rd-party dependencies have been tested.

Also revive old code to make Schannel build with Windows CE, including
certificate verification.

Builds have been throughougly tested. But, I've made no functional tests
for this PR. Some parts (esp. file operations, like truncate and seek)
are stubbed out and likely broken as a result. Test servers build, but
they do not work on Windows CE. This patch substitutes `fstat()` calls
with `stat()`, which operate on filenames, not file handles. This may or
may not work and/or may not be secure.

About CeGCC: I used the latest available macOS binary build v0.59.1
r1397 from 2009, in native `mingw32ce` build mode. CeGCC is in effect
MinGW + GCC 4.4.0 + old/classic-mingw Windows headers. It targets
Windows CE v3.0 according to its `_WIN32_WCE` value. It means this PR
restores portions of old/classic-mingw support. It makes the Windows CE
codepath compatible with GCC 4.4.0. It also adds workaround for CMake,
which cannot identify and configure this toolchain out of the box.

Notes:
- CMake doesn't recognize CeGCC/mingw32ce, necessitating tricks as seen
  with Amiga and MS-DOS.
- CMake doesn't set `MINGW` for mingw32ce. Set it and `MINGW32CE`
  manually as a helper variable, in addition to `WINCE` which CMake sets
  based on `CMAKE_SYSTEM_NAME`.
- CMake fails to create an implib for `libcurl.dll`, due to not
  recognizing the platform as a Windowsy one. This patch adds the
  necessary workaround to make it work.
- headers shipping with CeGCC miss some things curl needs for Schannel
  support. Fixed by restoring and renovating code previously deleted
  old-mingw code.
- it's sometime non-trivial to figure out if a fallout is WinCE,
  mingw32ce, old-mingw, or GCC version-specific.
- WinCE is always Unicode. With exceptions: no `wmain`,
  `GetProcAddress()`.
- `_fileno()` is said to convert from `FILE *` to `void *` which is
  a Win32 file `HANDLE`. (This patch doesn't use this, but with further
  effort it probably could be.)
  https://stackoverflow.com/questions/3989545/how-do-i-get-the-file-handle-from-the-fopen-file-structure
- WinCE has no signals, current directory, stdio/CRT file handles, no
  `_get_osfhandle()`, no `errno`, no `errno.h`. Some of this stuff is
  standard C89, yet missing from this platform. Microsoft expects
  Windows CE apps to use Win32 file API and `FILE *` exclusively.
- revived CeGCC here (not tested for this PR):
  https://building.enlyze.com/posts/a-new-windows-ce-x86-compiler-in-2024/

On `UNDER_CE` vs. `_WIN32_WCE`: (This patch settled on `UNDER_CE`)

- A custom VS2008 WinCE toolchain does not set any of these.
  The compiler binaries don't contain these strings, and has no compiler
  option for targeting WinCE, hinting that a vanilla toolchain isn't
  setting any of them either.
- `UNDER_CE` is automatically defined by the CeGCC compiler.
  https://cegcc.sourceforge.net/docs/details.html
- `UNDER_CE` is similar to `_WIN32`, except it's not set automatically
  by all compilers. It's not supposed to have any value, like a version.
  (Though e.g. OpenSSL sets it to a version)
- `_WIN32_WCE` is the CE counterpart of the non-CE `_WIN32_WINNT` macro.
  That does return the targeted Windows CE version.
- `_WIN32_WCE` is not defined by compilers, and relies on a header
  setting it to a default, or the build to set it to the desired target
  version. This is also how `_WIN32_WINNT` works.
- `_WIN32_WCE` default is set by `windef.h` in CeGCC.
- `_WIN32_WCE` isn't set to a default by MSVC Windows CE headers (the
  ones I checked at least).
- CMake sets `_WIN32_WCE=<ver>`, `UNDER_CE`, `WINCE` for MSVC WinCE.
- `_WIN32_WCE` seems more popular in other projects, including CeGCC
  itself. `zlib` is a notable exception amongst curl dependencies,
  which uses `UNDER_CE`.
- Since `_WIN32_WCE` needs "certain" headers to have it defined, it's
  undefined depending on headers included beforehand.
- `curl/curl.h` re-uses `_WIN32_WCE`'s as a self-guard, relying on
  its not-(necessarily)-defined-by-default property:
  25b445e479/include/curl/curl.h (L77)

Toolchain downloads:
- Windows:
  https://downloads.sourceforge.net/cegcc/cegcc/0.59.1/cegcc_mingw32ce_cygwin1.7_r1399.tar.bz2
- macOS Intel:
  https://downloads.sourceforge.net/cegcc/cegcc/0.59.1/cegcc_mingw32ce_snowleopard_r1397.tar.bz2

Closes #15975
2025-02-21 13:56:34 +01:00

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#ifndef HEADER_CURL_CONFIG_WIN32_H
#define HEADER_CURL_CONFIG_WIN32_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
*
***************************************************************************/
/* ================================================================ */
/* Hand crafted config file for Windows */
/* ================================================================ */
/* ---------------------------------------------------------------- */
/* HEADER FILES */
/* ---------------------------------------------------------------- */
/* Define if you have the <arpa/inet.h> header file. */
/* #define HAVE_ARPA_INET_H 1 */
#ifndef UNDER_CE
/* Define if you have the <fcntl.h> header file. */
#define HAVE_FCNTL_H 1 /* exists on __MINGW32CE__ */
/* Define if you have the <io.h> header file. */
#define HAVE_IO_H 1 /* exists on __MINGW32CE__ */
/* Define if you have the <locale.h> header file. */
#define HAVE_LOCALE_H 1
#endif
/* Define if you have the <netdb.h> header file. */
/* #define HAVE_NETDB_H 1 */
/* Define if you have the <netinet/in.h> header file. */
/* #define HAVE_NETINET_IN_H 1 */
/* Define to 1 if you have the <stdbool.h> header file. */
#ifndef UNDER_CE
#if (defined(_MSC_VER) && (_MSC_VER >= 1800)) || defined(__MINGW32__)
#define HAVE_STDBOOL_H 1 /* exists on __MINGW32CE__ */
#endif
#endif
/* Define if you have the <sys/param.h> header file. */
#ifdef __MINGW32__
#define HAVE_SYS_PARAM_H 1
#endif
/* Define if you have the <sys/select.h> header file. */
/* #define HAVE_SYS_SELECT_H 1 */
/* Define if you have the <sys/socket.h> header file. */
/* #define HAVE_SYS_SOCKET_H 1 */
/* Define if you have the <sys/sockio.h> header file. */
/* #define HAVE_SYS_SOCKIO_H 1 */
/* Define if you have the <sys/stat.h> header file. */
#define HAVE_SYS_STAT_H 1
/* Define if you have the <sys/time.h> header file. */
#ifdef __MINGW32__
#define HAVE_SYS_TIME_H 1
#endif
/* Define if you have the <sys/types.h> header file. */
#define HAVE_SYS_TYPES_H 1
/* Define if you have the <sys/utime.h> header file. */
#define HAVE_SYS_UTIME_H 1
/* Define if you have the <termio.h> header file. */
/* #define HAVE_TERMIO_H 1 */
/* Define if you have the <termios.h> header file. */
/* #define HAVE_TERMIOS_H 1 */
/* Define if you have the <unistd.h> header file. */
#ifdef __MINGW32__
#define HAVE_UNISTD_H 1
#endif
/* Define to 1 if you have the <libgen.h> header file. */
#ifdef __MINGW32__
#define HAVE_LIBGEN_H 1
#endif
/* ---------------------------------------------------------------- */
/* OTHER HEADER INFO */
/* ---------------------------------------------------------------- */
/* Define if you have the ANSI C header files. */
#define STDC_HEADERS 1
/* Define to 1 if bool is an available type. */
#ifndef UNDER_CE
#if (defined(_MSC_VER) && (_MSC_VER >= 1800)) || defined(__MINGW32__)
#define HAVE_BOOL_T 1 /* exists on __MINGW32CE__ */
#endif
#endif
/* ---------------------------------------------------------------- */
/* FUNCTIONS */
/* ---------------------------------------------------------------- */
/* Define if you have the closesocket function. */
#define HAVE_CLOSESOCKET 1
/* Define if you have the ftruncate function. */
#ifdef __MINGW32__
#define HAVE_FTRUNCATE 1
#endif
/* Define to 1 if you have the `getpeername' function. */
#define HAVE_GETPEERNAME 1
/* Define to 1 if you have the getsockname function. */
#define HAVE_GETSOCKNAME 1
/* Define if you have the gethostname function. */
#define HAVE_GETHOSTNAME 1
/* Define if you have the gettimeofday function. */
#ifdef __MINGW32__
#define HAVE_GETTIMEOFDAY 1
#endif
/* Define if you have the ioctlsocket function. */
#define HAVE_IOCTLSOCKET 1
/* Define if you have a working ioctlsocket FIONBIO function. */
#define HAVE_IOCTLSOCKET_FIONBIO 1
/* Define if you have the select function. */
#define HAVE_SELECT 1
#ifndef UNDER_CE
/* Define if you have the setlocale function. */
#define HAVE_SETLOCALE 1
/* Define if you have the setmode function. */
#define HAVE_SETMODE 1
/* Define if you have the _setmode function. */
#define HAVE__SETMODE 1
#endif
/* Define if you have the socket function. */
#define HAVE_SOCKET 1
/* Define if you have the strdup function. */
#define HAVE_STRDUP 1
/* Define if you have the utime function. */
#define HAVE_UTIME 1
/* Define if you have the recv function. */
#define HAVE_RECV 1
/* Define to the type of arg 1 for recv. */
#define RECV_TYPE_ARG1 SOCKET
/* Define to the type of arg 2 for recv. */
#define RECV_TYPE_ARG2 char *
/* Define to the type of arg 3 for recv. */
#define RECV_TYPE_ARG3 int
/* Define to the type of arg 4 for recv. */
#define RECV_TYPE_ARG4 int
/* Define to the function return type for recv. */
#define RECV_TYPE_RETV int
/* Define if you have the send function. */
#define HAVE_SEND 1
/* Define to the type of arg 1 for send. */
#define SEND_TYPE_ARG1 SOCKET
/* Define to the type qualifier of arg 2 for send. */
#define SEND_QUAL_ARG2 const
/* Define to the type of arg 2 for send. */
#define SEND_TYPE_ARG2 char *
/* Define to the type of arg 3 for send. */
#define SEND_TYPE_ARG3 int
/* Define to the type of arg 4 for send. */
#define SEND_TYPE_ARG4 int
/* Define to the function return type for send. */
#define SEND_TYPE_RETV int
/* Define to 1 if you have the snprintf function. */
#if (defined(_MSC_VER) && (_MSC_VER >= 1900)) || defined(__MINGW32__)
#define HAVE_SNPRINTF 1
#endif
/* Vista */
#if (defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x600) && !defined(UNDER_CE)
/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
#define HAVE_INET_NTOP 1
/* Define to 1 if you have a IPv6 capable working inet_pton function. */
#define HAVE_INET_PTON 1
#endif
/* Define to 1 if you have the `basename' function. */
#ifdef __MINGW32__
#define HAVE_BASENAME 1
#endif
/* Define to 1 if you have the signal function. */
#ifndef UNDER_CE
#define HAVE_SIGNAL 1
#endif
/* ---------------------------------------------------------------- */
/* TYPEDEF REPLACEMENTS */
/* ---------------------------------------------------------------- */
/* Define if ssize_t is not an available 'typedefed' type. */
#ifndef _SSIZE_T_DEFINED
# ifdef __MINGW32__
# elif defined(_WIN64)
# define _SSIZE_T_DEFINED
# define ssize_t __int64
# else
# define _SSIZE_T_DEFINED
# define ssize_t int
# endif
#endif
/* ---------------------------------------------------------------- */
/* TYPE SIZES */
/* ---------------------------------------------------------------- */
/* Define to the size of `int', as computed by sizeof. */
#define SIZEOF_INT 4
/* Define to the size of `long long', as computed by sizeof. */
/* #define SIZEOF_LONG_LONG 8 */
/* Define to the size of `long', as computed by sizeof. */
#define SIZEOF_LONG 4
/* Define to the size of `size_t', as computed by sizeof. */
#ifdef _WIN64
# define SIZEOF_SIZE_T 8
#else
# define SIZEOF_SIZE_T 4
#endif
/* Define to the size of `curl_off_t', as computed by sizeof. */
#define SIZEOF_CURL_OFF_T 8
/* ---------------------------------------------------------------- */
/* COMPILER SPECIFIC */
/* ---------------------------------------------------------------- */
/* Define to nothing if compiler does not support 'const' qualifier. */
/* #define const */
/* Define to nothing if compiler does not support 'volatile' qualifier. */
/* #define volatile */
/* Windows should not have HAVE_GMTIME_R defined */
/* #undef HAVE_GMTIME_R */
/* Define if the compiler supports the 'long long' data type. */
#if defined(_MSC_VER) || defined(__MINGW32__)
#define HAVE_LONGLONG 1
#endif
/* Default to 64-bit time_t unless _USE_32BIT_TIME_T is defined */
#if defined(_MSC_VER) || defined(__MINGW32__)
# ifndef _USE_32BIT_TIME_T
# define SIZEOF_TIME_T 8
# else
# define SIZEOF_TIME_T 4
# endif
#endif
#ifndef UNDER_CE
/* Define some minimum and default build targets for Visual Studio */
#ifdef _MSC_VER
/* Officially, Microsoft's Windows SDK versions 6.X does not support Windows
2000 as a supported build target. VS2008 default installations provides
an embedded Windows SDK v6.0A along with the claim that Windows 2000 is a
valid build target for VS2008. Popular belief is that binaries built with
VS2008 using Windows SDK versions v6.X and Windows 2000 as a build target
are functional. */
# define VS2008_MIN_TARGET 0x0500
/* The minimum build target for VS2012 is Vista unless Update 1 is installed
and the v110_xp toolset is chosen. */
# ifdef _USING_V110_SDK71_
# define VS2012_MIN_TARGET 0x0501
# else
# define VS2012_MIN_TARGET 0x0600
# endif
/* VS2008 default build target is Windows Vista. We override default target
to be Windows XP. */
# define VS2008_DEF_TARGET 0x0501
/* VS2012 default build target is Windows Vista unless Update 1 is installed
and the v110_xp toolset is chosen. */
# ifdef _USING_V110_SDK71_
# define VS2012_DEF_TARGET 0x0501
# else
# define VS2012_DEF_TARGET 0x0600
# endif
#endif
/* VS2008 default target settings and minimum build target check. */
#if defined(_MSC_VER) && (_MSC_VER <= 1600)
# ifndef _WIN32_WINNT
# define _WIN32_WINNT VS2008_DEF_TARGET
# endif
# ifndef WINVER
# define WINVER VS2008_DEF_TARGET
# endif
# if (_WIN32_WINNT < VS2008_MIN_TARGET) || (WINVER < VS2008_MIN_TARGET)
# error VS2008 does not support Windows build targets prior to Windows 2000
# endif
#endif
/* VS2012 default target settings and minimum build target check. */
#if defined(_MSC_VER) && (_MSC_VER >= 1700)
# ifndef _WIN32_WINNT
# define _WIN32_WINNT VS2012_DEF_TARGET
# endif
# ifndef WINVER
# define WINVER VS2012_DEF_TARGET
# endif
# if (_WIN32_WINNT < VS2012_MIN_TARGET) || (WINVER < VS2012_MIN_TARGET)
# ifdef _USING_V110_SDK71_
# error VS2012 does not support Windows build targets prior to Windows XP
# else
# error VS2012 does not support Windows build targets prior to Windows \
Vista
# endif
# endif
#endif
#endif /* UNDER_CE */
/* Windows XP is required for freeaddrinfo, getaddrinfo */
#ifndef UNDER_CE
#define HAVE_FREEADDRINFO 1
#define HAVE_GETADDRINFO 1
#define HAVE_GETADDRINFO_THREADSAFE 1
#endif
/* ---------------------------------------------------------------- */
/* STRUCT RELATED */
/* ---------------------------------------------------------------- */
/* Define if you have struct sockaddr_storage. */
#define HAVE_STRUCT_SOCKADDR_STORAGE 1
/* Define if you have struct timeval. */
#define HAVE_STRUCT_TIMEVAL 1
/* Define if struct sockaddr_in6 has the sin6_scope_id member. */
#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
/* ---------------------------------------------------------------- */
/* LARGE FILE SUPPORT */
/* ---------------------------------------------------------------- */
#ifndef UNDER_CE
#if defined(_MSC_VER) || defined(__MINGW32__)
# define USE_WIN32_LARGE_FILES
/* Number of bits in a file offset, on hosts where this is settable. */
# ifdef __MINGW32__
# ifndef _FILE_OFFSET_BITS
# define _FILE_OFFSET_BITS 64
# endif
# endif
#endif
/* Define to the size of `off_t', as computed by sizeof. */
#if defined(__MINGW32__) && \
defined(_FILE_OFFSET_BITS) && (_FILE_OFFSET_BITS == 64)
# define SIZEOF_OFF_T 8
#else
# define SIZEOF_OFF_T 4
#endif
#endif /* UNDER_CE */
/* ---------------------------------------------------------------- */
/* DNS RESOLVER SPECIALTY */
/* ---------------------------------------------------------------- */
/*
* Undefine both USE_ARES and USE_THREADS_WIN32 for synchronous DNS.
*/
/* Define to enable c-ares asynchronous DNS lookups. */
/* #define USE_ARES 1 */
/* Default define to enable threaded asynchronous DNS lookups. */
#if !defined(USE_SYNC_DNS) && !defined(USE_ARES) && \
!defined(USE_THREADS_WIN32)
# define USE_THREADS_WIN32 1
#endif
#if defined(USE_ARES) && defined(USE_THREADS_WIN32)
# error "Only one DNS lookup specialty may be defined at most"
#endif
/* ---------------------------------------------------------------- */
/* LDAP SUPPORT */
/* ---------------------------------------------------------------- */
#ifdef CURL_HAS_OPENLDAP_LDAPSDK
#undef USE_WIN32_LDAP
#define HAVE_LDAP_URL_PARSE 1
#elif !defined(CURL_WINDOWS_UWP) && !defined(UNDER_CE)
#undef HAVE_LDAP_URL_PARSE
#define HAVE_LDAP_SSL 1
#define USE_WIN32_LDAP 1
#endif
/* Define to use the Windows crypto library. */
#ifndef CURL_WINDOWS_UWP
#define USE_WIN32_CRYPTO
#endif
/* Define to use Unix sockets. */
#ifndef UNDER_CE
#define USE_UNIX_SOCKETS
#endif
/* ---------------------------------------------------------------- */
/* ADDITIONAL DEFINITIONS */
/* ---------------------------------------------------------------- */
/* Define cpu-machine-OS */
#ifndef CURL_OS
# ifdef UNDER_CE
# ifdef _M_ARM
# define CURL_OS "arm-pc-win32ce"
# else
# define CURL_OS "i386-pc-win32ce"
# endif
# else /* !UNDER_CE */
# if defined(_M_IX86) || defined(__i386__) /* x86 (MSVC or gcc) */
# define CURL_OS "i386-pc-win32"
# elif defined(_M_X64) || defined(__x86_64__) /* x86_64 (VS2005+ or gcc) */
# define CURL_OS "x86_64-pc-win32"
# elif defined(_M_IA64) || defined(__ia64__) /* Itanium */
# define CURL_OS "ia64-pc-win32"
# elif defined(_M_ARM_NT) || defined(__arm__) /* ARMv7-Thumb2 */
# define CURL_OS "thumbv7a-pc-win32"
# elif defined(_M_ARM64) || defined(__aarch64__) /* ARM64 (Windows 10) */
# define CURL_OS "aarch64-pc-win32"
# else
# define CURL_OS "unknown-pc-win32"
# endif
# endif /* UNDER_CE */
#endif /* !CURL_OS */
/* ---------------------------------------------------------------- */
/* Windows CE */
/* ---------------------------------------------------------------- */
#ifdef UNDER_CE
#ifndef UNICODE
#define UNICODE
#endif
#ifndef _UNICODE
#define _UNICODE
#endif
#define CURL_DISABLE_FILE 1
#define CURL_DISABLE_TELNET 1
#define CURL_DISABLE_LDAP 1
#ifndef _MSC_VER
extern int stat(const char *path, struct stat *buffer);
#endif
#endif /* UNDER_CE */
#endif /* HEADER_CURL_CONFIG_WIN32_H */
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