216 lines
5.6 KiB
C
216 lines
5.6 KiB
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* plperl_system.h
|
|
* Pull in Perl's system header files.
|
|
*
|
|
* We break this out as a separate header file to precisely control
|
|
* the scope of the "system_header" pragma. No Postgres-specific
|
|
* declarations should be put here. However, we do include some stuff
|
|
* that is meant to prevent conflicts between our code and Perl.
|
|
*
|
|
* Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
|
|
* Portions Copyright (c) 1995, Regents of the University of California
|
|
*
|
|
* src/pl/plperl/plperl_system.h
|
|
*/
|
|
|
|
#ifndef PL_PERL_SYSTEM_H
|
|
#define PL_PERL_SYSTEM_H
|
|
|
|
/*
|
|
* Newer versions of the perl headers trigger a lot of warnings with our
|
|
* preferred compiler flags (at least -Wdeclaration-after-statement,
|
|
* -Wshadow=compatible-local are known to be problematic). The system_header
|
|
* pragma hides warnings from within the rest of this file, if supported.
|
|
*/
|
|
#ifdef HAVE_PRAGMA_GCC_SYSTEM_HEADER
|
|
#pragma GCC system_header
|
|
#endif
|
|
|
|
/* stop perl headers from hijacking stdio and other stuff on Windows */
|
|
#ifdef WIN32
|
|
#define WIN32IO_IS_STDIO
|
|
#endif /* WIN32 */
|
|
|
|
/*
|
|
* Supply a value of PERL_UNUSED_DECL that will satisfy gcc - the one
|
|
* perl itself supplies doesn't seem to.
|
|
*/
|
|
#define PERL_UNUSED_DECL pg_attribute_unused()
|
|
|
|
/*
|
|
* Sometimes perl carefully scribbles on our *printf macros.
|
|
* So we undefine them here and redefine them after it's done its dirty deed.
|
|
*/
|
|
#undef vsnprintf
|
|
#undef snprintf
|
|
#undef vsprintf
|
|
#undef sprintf
|
|
#undef vfprintf
|
|
#undef fprintf
|
|
#undef vprintf
|
|
#undef printf
|
|
|
|
/*
|
|
* Perl scribbles on the "_" macro too.
|
|
*/
|
|
#undef _
|
|
|
|
/*
|
|
* ActivePerl 5.18 and later are MinGW-built, and their headers use GCC's
|
|
* __inline__. Translate to something MSVC recognizes. Also, perl.h sometimes
|
|
* defines isnan, so undefine it here and put back the definition later if
|
|
* perl.h doesn't.
|
|
*/
|
|
#ifdef _MSC_VER
|
|
#define __inline__ inline
|
|
#ifdef isnan
|
|
#undef isnan
|
|
#endif
|
|
/* Work around for using MSVC and Strawberry Perl >= 5.30. */
|
|
#define __builtin_expect(expr, val) (expr)
|
|
#endif
|
|
|
|
/*
|
|
* Regarding bool, both PostgreSQL and Perl might use stdbool.h or not,
|
|
* depending on configuration. If both agree, things are relatively harmless.
|
|
* If not, things get tricky. If PostgreSQL does but Perl does not, define
|
|
* HAS_BOOL here so that Perl does not redefine bool; this avoids compiler
|
|
* warnings. If PostgreSQL does not but Perl does, we need to undefine bool
|
|
* after we include the Perl headers; see below.
|
|
*/
|
|
#ifdef PG_USE_STDBOOL
|
|
#define HAS_BOOL 1
|
|
#endif
|
|
|
|
/*
|
|
* Get the basic Perl API. We use PERL_NO_GET_CONTEXT mode so that our code
|
|
* can compile against MULTIPLICITY Perl builds without including XSUB.h.
|
|
*/
|
|
#define PERL_NO_GET_CONTEXT
|
|
#include "EXTERN.h"
|
|
#include "perl.h"
|
|
|
|
/*
|
|
* We want to include XSUB.h only within .xs files, because on some platforms
|
|
* it undesirably redefines a lot of libc functions. But it must appear
|
|
* before ppport.h, so use a #define flag to control inclusion here.
|
|
*/
|
|
#ifdef PG_NEED_PERL_XSUB_H
|
|
/*
|
|
* On Windows, win32_port.h defines macros for a lot of these same functions.
|
|
* To avoid compiler warnings when XSUB.h redefines them, #undef our versions.
|
|
*/
|
|
#ifdef WIN32
|
|
#undef accept
|
|
#undef bind
|
|
#undef connect
|
|
#undef fopen
|
|
#undef fstat
|
|
#undef kill
|
|
#undef listen
|
|
#undef lstat
|
|
#undef mkdir
|
|
#undef open
|
|
#undef putenv
|
|
#undef recv
|
|
#undef rename
|
|
#undef select
|
|
#undef send
|
|
#undef socket
|
|
#undef stat
|
|
#undef unlink
|
|
#endif
|
|
|
|
#include "XSUB.h"
|
|
#endif
|
|
|
|
/* put back our *printf macros ... this must match src/include/port.h */
|
|
#ifdef vsnprintf
|
|
#undef vsnprintf
|
|
#endif
|
|
#ifdef snprintf
|
|
#undef snprintf
|
|
#endif
|
|
#ifdef vsprintf
|
|
#undef vsprintf
|
|
#endif
|
|
#ifdef sprintf
|
|
#undef sprintf
|
|
#endif
|
|
#ifdef vfprintf
|
|
#undef vfprintf
|
|
#endif
|
|
#ifdef fprintf
|
|
#undef fprintf
|
|
#endif
|
|
#ifdef vprintf
|
|
#undef vprintf
|
|
#endif
|
|
#ifdef printf
|
|
#undef printf
|
|
#endif
|
|
|
|
#define vsnprintf pg_vsnprintf
|
|
#define snprintf pg_snprintf
|
|
#define vsprintf pg_vsprintf
|
|
#define sprintf pg_sprintf
|
|
#define vfprintf pg_vfprintf
|
|
#define fprintf pg_fprintf
|
|
#define vprintf pg_vprintf
|
|
#define printf(...) pg_printf(__VA_ARGS__)
|
|
|
|
/*
|
|
* Put back "_" too; but rather than making it just gettext() as the core
|
|
* code does, make it dgettext() so that the right things will happen in
|
|
* loadable modules (if they've set up TEXTDOMAIN correctly). Note that
|
|
* we can't just set TEXTDOMAIN here, because this file is used by more
|
|
* extensions than just PL/Perl itself.
|
|
*/
|
|
#undef _
|
|
#define _(x) dgettext(TEXTDOMAIN, x)
|
|
|
|
/* put back the definition of isnan if needed */
|
|
#ifdef _MSC_VER
|
|
#ifndef isnan
|
|
#define isnan(x) _isnan(x)
|
|
#endif
|
|
#endif
|
|
|
|
/* perl version and platform portability */
|
|
#include "ppport.h"
|
|
|
|
/*
|
|
* perl might have included stdbool.h. If we also did that earlier (see c.h),
|
|
* then that's fine. If not, we probably rejected it for some reason. In
|
|
* that case, undef bool and proceed with our own bool. (Note that stdbool.h
|
|
* makes bool a macro, but our own replacement is a typedef, so the undef
|
|
* makes ours visible again).
|
|
*/
|
|
#ifndef PG_USE_STDBOOL
|
|
#ifdef bool
|
|
#undef bool
|
|
#endif
|
|
#endif
|
|
|
|
/* supply HeUTF8 if it's missing - ppport.h doesn't supply it, unfortunately */
|
|
#ifndef HeUTF8
|
|
#define HeUTF8(he) ((HeKLEN(he) == HEf_SVKEY) ? \
|
|
SvUTF8(HeKEY_sv(he)) : \
|
|
(U32)HeKUTF8(he))
|
|
#endif
|
|
|
|
/* supply GvCV_set if it's missing - ppport.h doesn't supply it, unfortunately */
|
|
#ifndef GvCV_set
|
|
#define GvCV_set(gv, cv) (GvCV(gv) = cv)
|
|
#endif
|
|
|
|
/* Perl 5.19.4 changed array indices from I32 to SSize_t */
|
|
#if PERL_BCDVERSION >= 0x5019004
|
|
#define AV_SIZE_MAX SSize_t_MAX
|
|
#else
|
|
#define AV_SIZE_MAX I32_MAX
|
|
#endif
|
|
|
|
#endif /* PL_PERL_SYSTEM_H */
|