| 1 | /* Prefer faster, non-thread-safe stdio functions if available. | 
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| 2 |  | 
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| 3 | Copyright (C) 2001, 2002 Free Software Foundation, Inc. | 
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| 4 |  | 
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| 5 | This program is free software; you can redistribute it and/or modify it | 
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| 6 | under the terms of the GNU Library General Public License as published | 
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| 7 | by the Free Software Foundation; either version 2, or (at your option) | 
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| 8 | any later version. | 
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| 9 |  | 
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| 10 | This program is distributed in the hope that it will be useful, | 
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
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| 13 | Library General Public License for more details. | 
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| 14 |  | 
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| 15 | You should have received a copy of the GNU Library General Public | 
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| 16 | License along with this program; if not, write to the Free Software | 
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| 17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | 
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| 18 | USA.  */ | 
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| 19 |  | 
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| 20 | /* Written by Jim Meyering.  */ | 
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| 21 |  | 
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| 22 | #ifndef UNLOCKED_IO_H | 
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| 23 | # define UNLOCKED_IO_H 1 | 
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| 24 |  | 
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| 25 | # ifndef USE_UNLOCKED_IO | 
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| 26 | #  define USE_UNLOCKED_IO 1 | 
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| 27 | # endif | 
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| 28 |  | 
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| 29 | # if USE_UNLOCKED_IO | 
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| 30 |  | 
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| 31 | /* These are wrappers for functions/macros from GNU libc. | 
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| 32 | The standard I/O functions are thread-safe.  These *_unlocked ones are | 
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| 33 | more efficient but not thread-safe.  That they're not thread-safe is | 
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| 34 | fine since all of the applications in this package are single threaded.  */ | 
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| 35 |  | 
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| 36 | #  if HAVE_DECL_CLEARERR_UNLOCKED | 
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| 37 | #   undef clearerr | 
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| 38 | #   define clearerr(x) clearerr_unlocked (x) | 
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| 39 | #  endif | 
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| 40 | #  if HAVE_DECL_FEOF_UNLOCKED | 
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| 41 | #   undef feof | 
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| 42 | #   define feof(x) feof_unlocked (x) | 
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| 43 | #  endif | 
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| 44 | #  if HAVE_DECL_FERROR_UNLOCKED | 
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| 45 | #   undef ferror | 
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| 46 | #   define ferror(x) ferror_unlocked (x) | 
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| 47 | #  endif | 
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| 48 | #  if HAVE_DECL_FFLUSH_UNLOCKED | 
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| 49 | #   undef fflush | 
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| 50 | #   define fflush(x) fflush_unlocked (x) | 
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| 51 | #  endif | 
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| 52 | #  if HAVE_DECL_FGETS_UNLOCKED | 
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| 53 | #   undef fgets | 
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| 54 | #   define fgets(x,y,z) fgets_unlocked (x,y,z) | 
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| 55 | #  endif | 
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| 56 | #  if HAVE_DECL_FPUTC_UNLOCKED | 
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| 57 | #   undef fputc | 
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| 58 | #   define fputc(x,y) fputc_unlocked (x,y) | 
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| 59 | #  endif | 
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| 60 | #  if HAVE_DECL_FPUTS_UNLOCKED | 
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| 61 | #   undef fputs | 
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| 62 | #   define fputs(x,y) fputs_unlocked (x,y) | 
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| 63 | #  endif | 
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| 64 | #  if HAVE_DECL_FREAD_UNLOCKED | 
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| 65 | #   undef fread | 
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| 66 | #   define fread(w,x,y,z) fread_unlocked (w,x,y,z) | 
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| 67 | #  endif | 
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| 68 | #  if HAVE_DECL_FWRITE_UNLOCKED | 
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| 69 | #   undef fwrite | 
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| 70 | #   define fwrite(w,x,y,z) fwrite_unlocked (w,x,y,z) | 
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| 71 | #  endif | 
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| 72 | #  if HAVE_DECL_GETC_UNLOCKED | 
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| 73 | #   undef getc | 
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| 74 | #   define getc(x) getc_unlocked (x) | 
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| 75 | #  endif | 
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| 76 | #  if HAVE_DECL_GETCHAR_UNLOCKED | 
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| 77 | #   undef getchar | 
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| 78 | #   define getchar() getchar_unlocked () | 
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| 79 | #  endif | 
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| 80 | #  if HAVE_DECL_PUTC_UNLOCKED | 
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| 81 | #   undef putc | 
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| 82 | #   define putc(x,y) putc_unlocked (x,y) | 
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| 83 | #  endif | 
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| 84 | #  if HAVE_DECL_PUTCHAR_UNLOCKED | 
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| 85 | #   undef putchar | 
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| 86 | #   define putchar(x) putchar_unlocked (x) | 
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| 87 | #  endif | 
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| 88 |  | 
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| 89 | # endif /* USE_UNLOCKED_IO */ | 
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| 90 | #endif /* UNLOCKED_IO_H */ | 
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