157 lines
4.3 KiB
C
157 lines
4.3 KiB
C
/* Get common system includes and various definitions and declarations based
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on autoconf macros.
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Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004
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Free Software Foundation, Inc.
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This file is part of libcpp (aka cpplib).
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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#ifndef FIXINC_SYSTEM_H
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#define FIXINC_SYSTEM_H
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/* We must include stdarg.h before stdio.h. */
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#include <stdarg.h>
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#ifdef HAVE_STDDEF_H
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# include <stddef.h>
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#endif
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#include <stdio.h>
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/* Define a generic NULL if one hasn't already been defined. */
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#ifndef NULL
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#define NULL 0
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#endif
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/* fixincludes is not a multi-threaded application and therefore we
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do not have to use the locking functions. In fact, using the locking
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functions can cause the compiler to be significantly slower under
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I/O bound conditions (such as -g -O0 on very large source files).
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HAVE_DECL_PUTC_UNLOCKED actually indicates whether or not the stdio
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code is multi-thread safe by default. If it is set to 0, then do
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not worry about using the _unlocked functions.
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fputs_unlocked, fwrite_unlocked, and fprintf_unlocked are
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extensions and need to be prototyped by hand (since we do not
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define _GNU_SOURCE). */
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#if defined HAVE_DECL_PUTC_UNLOCKED && HAVE_DECL_PUTC_UNLOCKED
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# ifdef HAVE_PUTC_UNLOCKED
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# undef putc
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# define putc(C, Stream) putc_unlocked (C, Stream)
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# endif
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# ifdef HAVE_FPUTC_UNLOCKED
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# undef fputc
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# define fputc(C, Stream) fputc_unlocked (C, Stream)
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# endif
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# ifdef HAVE_FPUTS_UNLOCKED
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# undef fputs
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# define fputs(String, Stream) fputs_unlocked (String, Stream)
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# if defined (HAVE_DECL_FPUTS_UNLOCKED) && !HAVE_DECL_FPUTS_UNLOCKED
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extern int fputs_unlocked (const char *, FILE *);
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# endif
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# endif
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# ifdef HAVE_FWRITE_UNLOCKED
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# undef fwrite
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# define fwrite(Ptr, Size, N, Stream) fwrite_unlocked (Ptr, Size, N, Stream)
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# if defined (HAVE_DECL_FWRITE_UNLOCKED) && !HAVE_DECL_FWRITE_UNLOCKED
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extern int fwrite_unlocked (const void *, size_t, size_t, FILE *);
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# endif
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# endif
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# ifdef HAVE_FPRINTF_UNLOCKED
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# undef fprintf
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/* We can't use a function-like macro here because we don't know if
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we have varargs macros. */
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# define fprintf fprintf_unlocked
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# if defined (HAVE_DECL_FPRINTF_UNLOCKED) && !HAVE_DECL_FPRINTF_UNLOCKED
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extern int fprintf_unlocked (FILE *, const char *, ...);
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# endif
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# endif
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#endif
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/* ??? Glibc's fwrite/fread_unlocked macros cause
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"warning: signed and unsigned type in conditional expression". */
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#undef fread_unlocked
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#undef fwrite_unlocked
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#include <sys/types.h>
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#include <errno.h>
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#if !defined (errno) && defined (HAVE_DECL_ERRNO) && !HAVE_DECL_ERRNO
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extern int errno;
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#endif
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/* Some of glibc's string inlines cause warnings. Plus we'd rather
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rely on (and therefore test) GCC's string builtins. */
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#define __NO_STRING_INLINES
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#ifdef HAVE_STRING_H
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# include <string.h>
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#else
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# ifdef HAVE_STRINGS_H
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# include <strings.h>
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# endif
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#endif
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#ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_FCNTL_H
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# include <fcntl.h>
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#else
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# ifdef HAVE_SYS_FILE_H
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# include <sys/file.h>
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# endif
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#endif
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/* The HAVE_DECL_* macros are three-state, undefined, 0 or 1. If they
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are defined to 0 then we must provide the relevant declaration
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here. These checks will be in the undefined state while configure
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is running so be careful to test "defined (HAVE_DECL_*)". */
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#if defined (HAVE_DECL_ABORT) && !HAVE_DECL_ABORT
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extern void abort (void);
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#endif
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#if HAVE_SYS_STAT_H
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# include <sys/stat.h>
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#endif
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/* Test if something is a normal file. */
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#ifndef S_ISREG
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#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
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#endif
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/* Filename handling macros. */
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#include "filenames.h"
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/* Get libiberty declarations. */
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#include "libiberty.h"
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#include "safe-ctype.h"
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#endif /* ! FIXINC_SYSTEM_H */
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