1 /* Prefer faster, non-thread-safe stdio functions if available.
3 Copyright (C) 2001, 2002 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
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
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation,
17 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
19 /* Written by Jim Meyering. */
22 # define UNLOCKED_IO_H 1
24 # ifndef USE_UNLOCKED_IO
25 # define USE_UNLOCKED_IO 1
30 /* These are wrappers for functions/macros from GNU libc.
31 The standard I/O functions are thread-safe. These *_unlocked ones are
32 more efficient but not thread-safe. That they're not thread-safe is
33 fine since all of the applications in this package are single threaded. */
35 # if HAVE_DECL_CLEARERR_UNLOCKED
37 # define clearerr(x) clearerr_unlocked (x)
39 # if HAVE_DECL_FEOF_UNLOCKED
41 # define feof(x) feof_unlocked (x)
43 # if HAVE_DECL_FERROR_UNLOCKED
45 # define ferror(x) ferror_unlocked (x)
47 # if HAVE_DECL_FFLUSH_UNLOCKED
49 # define fflush(x) fflush_unlocked (x)
51 # if HAVE_DECL_FGETS_UNLOCKED
53 # define fgets(x,y,z) fgets_unlocked (x,y,z)
55 # if HAVE_DECL_FPUTC_UNLOCKED
57 # define fputc(x,y) fputc_unlocked (x,y)
59 # if HAVE_DECL_FPUTS_UNLOCKED
61 # define fputs(x,y) fputs_unlocked (x,y)
63 # if HAVE_DECL_FREAD_UNLOCKED
65 # define fread(w,x,y,z) fread_unlocked (w,x,y,z)
67 # if HAVE_DECL_FWRITE_UNLOCKED
69 # define fwrite(w,x,y,z) fwrite_unlocked (w,x,y,z)
71 # if HAVE_DECL_GETC_UNLOCKED
73 # define getc(x) getc_unlocked (x)
75 # if HAVE_DECL_GETCHAR_UNLOCKED
77 # define getchar() getchar_unlocked ()
79 # if HAVE_DECL_PUTC_UNLOCKED
81 # define putc(x,y) putc_unlocked (x,y)
83 # if HAVE_DECL_PUTCHAR_UNLOCKED
85 # define putchar(x) putchar_unlocked (x)
88 # endif /* USE_UNLOCKED_IO */
89 #endif /* UNLOCKED_IO_H */