1/* Prefer faster, non-thread-safe stdio functions if available. 2 3 Copyright (C) 2001, 2002 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify it 6 under the terms of the GNU Library General Public License as published 7 by the Free Software Foundation; either version 2, or (at your option) 8 any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Library General Public License for more details. 14 15 You should have received a copy of the GNU Library General Public 16 License along with this program; if not, write to the Free Software 17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 18 USA. */ 19 20/* Written by Jim Meyering. */ 21 22#ifndef UNLOCKED_IO_H 23# define UNLOCKED_IO_H 1 24 25# ifndef USE_UNLOCKED_IO 26# define USE_UNLOCKED_IO 1 27# endif 28 29# if USE_UNLOCKED_IO 30 31/* These are wrappers for functions/macros from GNU libc. 32 The standard I/O functions are thread-safe. These *_unlocked ones are 33 more efficient but not thread-safe. That they're not thread-safe is 34 fine since all of the applications in this package are single threaded. */ 35 36# if HAVE_DECL_CLEARERR_UNLOCKED 37# undef clearerr 38# define clearerr(x) clearerr_unlocked (x) 39# endif 40# if HAVE_DECL_FEOF_UNLOCKED 41# undef feof 42# define feof(x) feof_unlocked (x) 43# endif 44# if HAVE_DECL_FERROR_UNLOCKED 45# undef ferror 46# define ferror(x) ferror_unlocked (x) 47# endif 48# if HAVE_DECL_FFLUSH_UNLOCKED 49# undef fflush 50# define fflush(x) fflush_unlocked (x) 51# endif 52# if HAVE_DECL_FGETS_UNLOCKED 53# undef fgets 54# define fgets(x,y,z) fgets_unlocked (x,y,z) 55# endif 56# if HAVE_DECL_FPUTC_UNLOCKED 57# undef fputc 58# define fputc(x,y) fputc_unlocked (x,y) 59# endif 60# if HAVE_DECL_FPUTS_UNLOCKED 61# undef fputs 62# define fputs(x,y) fputs_unlocked (x,y) 63# endif 64# if HAVE_DECL_FREAD_UNLOCKED 65# undef fread 66# define fread(w,x,y,z) fread_unlocked (w,x,y,z) 67# endif 68# if HAVE_DECL_FWRITE_UNLOCKED 69# undef fwrite 70# define fwrite(w,x,y,z) fwrite_unlocked (w,x,y,z) 71# endif 72# if HAVE_DECL_GETC_UNLOCKED 73# undef getc 74# define getc(x) getc_unlocked (x) 75# endif 76# if HAVE_DECL_GETCHAR_UNLOCKED 77# undef getchar 78# define getchar() getchar_unlocked () 79# endif 80# if HAVE_DECL_PUTC_UNLOCKED 81# undef putc 82# define putc(x,y) putc_unlocked (x,y) 83# endif 84# if HAVE_DECL_PUTCHAR_UNLOCKED 85# undef putchar 86# define putchar(x) putchar_unlocked (x) 87# endif 88 89# endif /* USE_UNLOCKED_IO */ 90#endif /* UNLOCKED_IO_H */ 91