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1d3a89a0bb
ag -l Copyright | xargs sed -i \
"s/\(.*copyright (C) [0-9]\+\)\(-[0-9]\+\)\?\(.*Psycopg Team.*\)/\1-$(date +%Y)\3/I"
217 lines
6.3 KiB
C
217 lines
6.3 KiB
C
/* config.h - general config and Dprintf macro
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*
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* Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
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* Copyright (C) 2020-2021 The Psycopg Team
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*
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* This file is part of psycopg.
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*
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* psycopg2 is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link this program with the OpenSSL library (or with
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* modified versions of OpenSSL that use the same license as OpenSSL),
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* and distribute linked combinations including the two.
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*
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* You must obey the GNU Lesser General Public License in all respects for
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* all of the code used other than OpenSSL.
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*
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* psycopg2 is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*/
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#ifndef PSYCOPG_CONFIG_H
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#define PSYCOPG_CONFIG_H 1
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/* GCC 4.0 and later have support for specifying symbol visibility */
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#if __GNUC__ >= 4 && !defined(__MINGW32__)
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# define HIDDEN __attribute__((visibility("hidden")))
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#else
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# define HIDDEN
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#endif
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/* support for getpid() */
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#if defined( __GNUC__)
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#define CONN_CHECK_PID
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#include <sys/types.h>
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#include <unistd.h>
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#endif
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#ifdef _WIN32
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/* Windows doesn't seem affected by bug #829: just make it compile. */
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#define pid_t int
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#endif
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/* debug printf-like function */
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#ifdef PSYCOPG_DEBUG
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extern HIDDEN int psycopg_debug_enabled;
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#endif
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#if defined( __GNUC__) && !defined(__APPLE__)
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#ifdef PSYCOPG_DEBUG
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#define Dprintf(fmt, args...) \
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if (!psycopg_debug_enabled) ; else \
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fprintf(stderr, "[%d] " fmt "\n", (int) getpid() , ## args)
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#else
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#define Dprintf(fmt, args...)
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#endif
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#else /* !__GNUC__ or __APPLE__ */
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#ifdef PSYCOPG_DEBUG
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#include <stdarg.h>
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#ifdef _WIN32
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#include <process.h>
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#define getpid _getpid
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#endif
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static void Dprintf(const char *fmt, ...)
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{
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va_list ap;
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if (!psycopg_debug_enabled)
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return;
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printf("[%d] ", (int) getpid());
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va_start(ap, fmt);
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vprintf(fmt, ap);
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va_end(ap);
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printf("\n");
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}
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#else
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static void Dprintf(const char *fmt, ...) {}
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#endif
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#endif
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/* pthreads work-arounds for mutilated operating systems */
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#if defined(_WIN32) || defined(__BEOS__)
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#ifdef _WIN32
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/* A Python extension should be linked to only one C runtime: the same one as
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* the Python interpreter itself. Straightforwardly using the strdup function
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* causes MinGW to implicitly link to the msvcrt.dll, which is not appropriate
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* for any Python version later than 2.3.
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* Microsoft C runtimes for Windows 98 and later make a _strdup function
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* available, which replaces the "normal" strdup. If we replace all psycopg
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* calls to strdup with calls to _strdup, MinGW no longer implicitly links to
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* the obsolete C runtime. */
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#define strdup _strdup
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#include <winsock2.h>
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#define pthread_mutex_t HANDLE
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#define pthread_condvar_t HANDLE
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#define pthread_mutex_lock(object) WaitForSingleObject(*(object), INFINITE)
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#define pthread_mutex_unlock(object) ReleaseMutex(*(object))
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#define pthread_mutex_destroy(ref) (CloseHandle(*(ref)))
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/* convert pthread mutex to native mutex */
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static int pthread_mutex_init(pthread_mutex_t *mutex, void* fake)
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{
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*mutex = CreateMutex(NULL, FALSE, NULL);
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return 0;
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}
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#endif /* _WIN32 */
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#ifdef __BEOS__
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#include <OS.h>
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#define pthread_mutex_t sem_id
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#define pthread_mutex_lock(object) acquire_sem(object)
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#define pthread_mutex_unlock(object) release_sem(object)
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#define pthread_mutex_destroy(ref) delete_sem(*ref)
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static int pthread_mutex_init(pthread_mutex_t *mutex, void* fake)
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{
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*mutex = create_sem(1, "psycopg_mutex");
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if (*mutex < B_OK)
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return *mutex;
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return 0;
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}
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#endif /* __BEOS__ */
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#else /* pthread is available */
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#include <pthread.h>
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#endif
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/* to work around the fact that Windows does not have a gmtime_r function, or
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a proper gmtime function */
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#ifdef _WIN32
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#define gmtime_r(t, tm) (gmtime(t)?memcpy((tm), gmtime(t), sizeof(*(tm))):NULL)
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#define localtime_r(t, tm) (localtime(t)?memcpy((tm), localtime(t), sizeof(*(tm))):NULL)
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/* remove the inline keyword, since it doesn't work unless C++ file */
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#define inline
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/* Hmmm, MSVC <2015 doesn't have a isnan/isinf function, but has _isnan function */
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#if defined (_MSC_VER)
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#if !defined(isnan)
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#define isnan(x) (_isnan(x))
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/* The following line was hacked together from simliar code by Bjorn Reese
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* in libxml2 code */
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#define isinf(x) ((_fpclass(x) == _FPCLASS_PINF) ? 1 \
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: ((_fpclass(x) == _FPCLASS_NINF) ? -1 : 0))
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#endif
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#define strcasecmp(x, y) lstrcmpi(x, y)
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typedef __int8 int8_t;
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typedef __int16 int16_t;
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typedef __int32 int32_t;
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typedef __int64 int64_t;
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typedef unsigned __int8 uint8_t;
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typedef unsigned __int16 uint16_t;
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typedef unsigned __int32 uint32_t;
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typedef unsigned __int64 uint64_t;
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#endif
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#include "win32_support.h"
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#endif
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/* what's this, we have no round function either? */
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#if (defined(_WIN32) && !defined(__GNUC__)) \
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|| (defined(sun) || defined(__sun__)) \
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&& (defined(__SunOS_5_8) || defined(__SunOS_5_9))
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/* round has been added in the standard library with MSVC 2015 */
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#if _MSC_VER < 1900
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static double round(double num)
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{
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return (num >= 0) ? floor(num + 0.5) : ceil(num - 0.5);
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}
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#endif
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#endif
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/* resolve missing isinf() function for Solaris */
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#if defined (__SVR4) && defined (__sun)
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#include <ieeefp.h>
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#define isinf(x) (!finite((x)) && (x)==(x))
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#endif
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/* decorators for the gcc cpychecker plugin */
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#if defined(WITH_CPYCHECKER_RETURNS_BORROWED_REF_ATTRIBUTE)
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#define BORROWED \
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__attribute__((cpychecker_returns_borrowed_ref))
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#else
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#define BORROWED
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#endif
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#if defined(WITH_CPYCHECKER_STEALS_REFERENCE_TO_ARG_ATTRIBUTE)
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#define STEALS(n) \
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__attribute__((cpychecker_steals_reference_to_arg(n)))
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#else
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#define STEALS(n)
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#endif
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#if defined(WITH_CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION_ATTRIBUTE)
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#define RAISES_NEG \
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__attribute__((cpychecker_negative_result_sets_exception))
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#else
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#define RAISES_NEG
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#endif
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#if defined(WITH_CPYCHECKER_SETS_EXCEPTION_ATTRIBUTE)
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#define RAISES \
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__attribute__((cpychecker_sets_exception))
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#else
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#define RAISES
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#endif
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#endif /* !defined(PSYCOPG_CONFIG_H) */
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