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0d3956b8c6
curl/lib/curl_setup_once.h
Viktor Szakats 3f8fc25720
cmake: add support for "unity" builds 
Aka "jumbo" or "amalgamation" builds. It means to compile all sources
per target as a single C source. This is experimental.

You can enable it by passing `-DCMAKE_UNITY_BUILD=ON` to cmake.
It requires CMake 3.16 or newer.

It makes builds (much) faster, allows for better optimizations and tends
to promote less ambiguous code.

Also add a new AppVeyor CI job and convert an existing one to use
"unity" mode (one MSVC, one MinGW), and enable it for one macOS CI job.

Fix related issues:
- add missing include guard to `easy_lock.h`.
- rename static variables and functions (and a macro) with names reused
  across sources, or shadowed by local variables.
- add an `#undef` after use.
- add a missing `#undef` before use.
- move internal definitions from `ftp.h` to `ftp.c`.
- `curl_memory.h` fixes to make it work when included repeatedly.
- stop building/linking curlx bits twice for a static-mode curl tool.
  These caused doubly defined symbols in unity builds.
- silence missing extern declarations compiler warning for ` _CRT_glob`.
- fix extern declarations for `tool_freq` and `tool_isVistaOrGreater`.
- fix colliding static symbols in debug mode: `debugtime()` and
  `statename`.
- rename `ssl_backend_data` structure to unique names for each
  TLS-backend, along with the `ssl_connect_data` struct member
  referencing them. This required adding casts for each access.
- add workaround for missing `[P]UNICODE_STRING` types in certain Windows
  builds when compiling `lib/ldap.c`. To support "unity" builds, we had
  to enable `SCHANNEL_USE_BLACKLISTS` for Schannel (a Windows
  `schannel.h` option) _globally_. This caused an indirect inclusion of
  Windows `schannel.h` from `ldap.c` via `winldap.h` to have it enabled
  as well. This requires `[P]UNICODE_STRING` types, which is apperantly
  not defined automatically (as seen with both MSVS and mingw-w64).
  This patch includes `<subauth.h>` to fix it.
  Ref: https://github.com/curl/curl/runs/13987772013
  Ref: https://dev.azure.com/daniel0244/curl/_build/results?buildId=15827&view=logs&jobId=2c9f582d-e278-56b6-4354-f38a4d851906&j=2c9f582d-e278-56b6-4354-f38a4d851906&t=90509b00-34fa-5a81-35d7-5ed9569d331c
- tweak unity builds to compile `lib/memdebug.c` separately in memory
  trace builds to avoid PP confusion.
- force-disable unity for test programs.
- do not compile and link libcurl sources to libtests _twice_ when libcurl
  is built in static mode.

KNOWN ISSUES:
- running tests with unity builds may fail in cases.
- some build configurations/env may not compile in unity mode. E.g.:
  https://ci.appveyor.com/project/curlorg/curl/builds/47230972/job/51wfesgnfuauwl8q#L250

Ref: https://github.com/libssh2/libssh2/issues/1034
Ref: https://cmake.org/cmake/help/latest/prop_tgt/UNITY_BUILD.html
Ref: https://en.wikipedia.org/wiki/Unity_build

Closes #11095
2023-06-07 13:06:08 +00:00

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#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>
#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>
#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 USE_WOLFSSL
# if defined(HAVE_STDINT_H)
# include <stdint.h>
# elif defined(HAVE_INTTYPES_H)
# include <inttypes.h>
# endif
#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
#ifdef HAVE_SYS_SOCKET_H
#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 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.
*/
#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 */
#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)
#define swrite(x,y,z) (ssize_t)send((SEND_TYPE_ARG1)(x), \
(SEND_QUAL_ARG2 SEND_TYPE_ARG2)(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.
*/
#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))
#elif defined(USE_LWIPSOCK)
# define sclose(x) lwip_close((x))
#else
# define sclose(x) close((x))
#endif
/*
* Stack-independent version of fcntl() on sockets:
*/
#if defined(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'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
/* 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
#if defined(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
#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
/*
* Macro argv_item_t hides platform details to code using it.
*/
#ifdef __VMS
#define argv_item_t __char_ptr32
#elif defined(_UNICODE)
#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 */
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