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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
131 lines
3.7 KiB
C
131 lines
3.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* ANSI and traditional C compatibility macros
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Copyright 1991, 1992 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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*/
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/* ANSI and traditional C compatibility macros
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ANSI C is assumed if __STDC__ is #defined.
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Macro ANSI C definition Traditional C definition
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----- ---- - ---------- ----------- - ----------
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PTR `void *' `char *'
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LONG_DOUBLE `long double' `double'
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VOLATILE `volatile' `'
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SIGNED `signed' `'
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PTRCONST `void *const' `char *'
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ANSI_PROTOTYPES 1 not defined
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CONST is also defined, but is obsolete. Just use const.
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DEFUN (name, arglist, args)
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Defines function NAME.
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ARGLIST lists the arguments, separated by commas and enclosed in
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parentheses. ARGLIST becomes the argument list in traditional C.
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ARGS list the arguments with their types. It becomes a prototype in
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ANSI C, and the type declarations in traditional C. Arguments should
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be separated with `AND'. For functions with a variable number of
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arguments, the last thing listed should be `DOTS'.
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DEFUN_VOID (name)
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Defines a function NAME, which takes no arguments.
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obsolete -- EXFUN (name, (prototype)) -- obsolete.
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Replaced by PARAMS. Do not use; will disappear someday soon.
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Was used in external function declarations.
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In ANSI C it is `NAME PROTOTYPE' (so PROTOTYPE should be enclosed in
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parentheses). In traditional C it is `NAME()'.
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For a function that takes no arguments, PROTOTYPE should be `(void)'.
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PARAMS ((args))
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We could use the EXFUN macro to handle prototype declarations, but
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the name is misleading and the result is ugly. So we just define a
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simple macro to handle the parameter lists, as in:
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static int foo PARAMS ((int, char));
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This produces: `static int foo();' or `static int foo (int, char);'
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EXFUN would have done it like this:
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static int EXFUN (foo, (int, char));
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but the function is not external...and it's hard to visually parse
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the function name out of the mess. EXFUN should be considered
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obsolete; new code should be written to use PARAMS.
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For example:
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extern int printf PARAMS ((CONST char *format DOTS));
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int DEFUN(fprintf, (stream, format),
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FILE *stream AND CONST char *format DOTS) { ... }
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void DEFUN_VOID(abort) { ... }
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*/
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#ifndef _ANSIDECL_H
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#define _ANSIDECL_H 1
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/* Every source file includes this file,
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so they will all get the switch for lint. */
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/* LINTLIBRARY */
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#if defined (__STDC__) || defined (_AIX) || (defined (__mips) && defined (_SYSTYPE_SVR4)) || defined(WIN32)
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/* All known AIX compilers implement these things (but don't always
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define __STDC__). The RISC/OS MIPS compiler defines these things
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in SVR4 mode, but does not define __STDC__. */
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#define PTR void *
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#define PTRCONST void *CONST
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#define LONG_DOUBLE long double
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#define AND ,
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#define NOARGS void
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#define CONST const
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#define VOLATILE volatile
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#define SIGNED signed
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#define DOTS , ...
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#define EXFUN(name, proto) name proto
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#define DEFUN(name, arglist, args) name(args)
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#define DEFUN_VOID(name) name(void)
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#define PROTO(type, name, arglist) type name arglist
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#define PARAMS(paramlist) paramlist
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#define ANSI_PROTOTYPES 1
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#else /* Not ANSI C. */
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#define PTR char *
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#define PTRCONST PTR
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#define LONG_DOUBLE double
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#define AND ;
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#define NOARGS
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#define CONST
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#ifndef const /* some systems define it in header files for non-ansi mode */
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#define const
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#endif
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#define VOLATILE
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#define SIGNED
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#define DOTS
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#define EXFUN(name, proto) name()
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#define DEFUN(name, arglist, args) name arglist args;
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#define DEFUN_VOID(name) name()
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#define PROTO(type, name, arglist) type name ()
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#define PARAMS(paramlist) ()
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#endif /* ANSI C. */
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#endif /* ansidecl.h */
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