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Annotation of embedaddon/libiconv/srclib/unlocked-io.h, revision 1.1

1.1     ! misho       1: /* Prefer faster, non-thread-safe stdio functions if available.
        !             2: 
        !             3:    Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
        !             4: 
        !             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 3 of the License, or
        !             8:    (at your option) 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
        !            13:    GNU General Public License for more details.
        !            14: 
        !            15:    You should have received a copy of the GNU General Public License
        !            16:    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
        !            17: 
        !            18: /* Written by Jim Meyering.  */
        !            19: 
        !            20: #ifndef UNLOCKED_IO_H
        !            21: # define UNLOCKED_IO_H 1
        !            22: 
        !            23: /* These are wrappers for functions/macros from the GNU C library, and
        !            24:    from other C libraries supporting POSIX's optional thread-safe functions.
        !            25: 
        !            26:    The standard I/O functions are thread-safe.  These *_unlocked ones are
        !            27:    more efficient but not thread-safe.  That they're not thread-safe is
        !            28:    fine since all of the applications in this package are single threaded.
        !            29: 
        !            30:    Also, some code that is shared with the GNU C library may invoke
        !            31:    the *_unlocked functions directly.  On hosts that lack those
        !            32:    functions, invoke the non-thread-safe versions instead.  */
        !            33: 
        !            34: # include <stdio.h>
        !            35: 
        !            36: # if HAVE_DECL_CLEARERR_UNLOCKED
        !            37: #  undef clearerr
        !            38: #  define clearerr(x) clearerr_unlocked (x)
        !            39: # else
        !            40: #  define clearerr_unlocked(x) clearerr (x)
        !            41: # endif
        !            42: 
        !            43: # if HAVE_DECL_FEOF_UNLOCKED
        !            44: #  undef feof
        !            45: #  define feof(x) feof_unlocked (x)
        !            46: # else
        !            47: #  define feof_unlocked(x) feof (x)
        !            48: # endif
        !            49: 
        !            50: # if HAVE_DECL_FERROR_UNLOCKED
        !            51: #  undef ferror
        !            52: #  define ferror(x) ferror_unlocked (x)
        !            53: # else
        !            54: #  define ferror_unlocked(x) ferror (x)
        !            55: # endif
        !            56: 
        !            57: # if HAVE_DECL_FFLUSH_UNLOCKED
        !            58: #  undef fflush
        !            59: #  define fflush(x) fflush_unlocked (x)
        !            60: # else
        !            61: #  define fflush_unlocked(x) fflush (x)
        !            62: # endif
        !            63: 
        !            64: # if HAVE_DECL_FGETS_UNLOCKED
        !            65: #  undef fgets
        !            66: #  define fgets(x,y,z) fgets_unlocked (x,y,z)
        !            67: # else
        !            68: #  define fgets_unlocked(x,y,z) fgets (x,y,z)
        !            69: # endif
        !            70: 
        !            71: # if HAVE_DECL_FPUTC_UNLOCKED
        !            72: #  undef fputc
        !            73: #  define fputc(x,y) fputc_unlocked (x,y)
        !            74: # else
        !            75: #  define fputc_unlocked(x,y) fputc (x,y)
        !            76: # endif
        !            77: 
        !            78: # if HAVE_DECL_FPUTS_UNLOCKED
        !            79: #  undef fputs
        !            80: #  define fputs(x,y) fputs_unlocked (x,y)
        !            81: # else
        !            82: #  define fputs_unlocked(x,y) fputs (x,y)
        !            83: # endif
        !            84: 
        !            85: # if HAVE_DECL_FREAD_UNLOCKED
        !            86: #  undef fread
        !            87: #  define fread(w,x,y,z) fread_unlocked (w,x,y,z)
        !            88: # else
        !            89: #  define fread_unlocked(w,x,y,z) fread (w,x,y,z)
        !            90: # endif
        !            91: 
        !            92: # if HAVE_DECL_FWRITE_UNLOCKED
        !            93: #  undef fwrite
        !            94: #  define fwrite(w,x,y,z) fwrite_unlocked (w,x,y,z)
        !            95: # else
        !            96: #  define fwrite_unlocked(w,x,y,z) fwrite (w,x,y,z)
        !            97: # endif
        !            98: 
        !            99: # if HAVE_DECL_GETC_UNLOCKED
        !           100: #  undef getc
        !           101: #  define getc(x) getc_unlocked (x)
        !           102: # else
        !           103: #  define getc_unlocked(x) getc (x)
        !           104: # endif
        !           105: 
        !           106: # if HAVE_DECL_GETCHAR_UNLOCKED
        !           107: #  undef getchar
        !           108: #  define getchar() getchar_unlocked ()
        !           109: # else
        !           110: #  define getchar_unlocked() getchar ()
        !           111: # endif
        !           112: 
        !           113: # if HAVE_DECL_PUTC_UNLOCKED
        !           114: #  undef putc
        !           115: #  define putc(x,y) putc_unlocked (x,y)
        !           116: # else
        !           117: #  define putc_unlocked(x,y) putc (x,y)
        !           118: # endif
        !           119: 
        !           120: # if HAVE_DECL_PUTCHAR_UNLOCKED
        !           121: #  undef putchar
        !           122: #  define putchar(x) putchar_unlocked (x)
        !           123: # else
        !           124: #  define putchar_unlocked(x) putchar (x)
        !           125: # endif
        !           126: 
        !           127: # undef flockfile
        !           128: # define flockfile(x) ((void) 0)
        !           129: 
        !           130: # undef ftrylockfile
        !           131: # define ftrylockfile(x) 0
        !           132: 
        !           133: # undef funlockfile
        !           134: # define funlockfile(x) ((void) 0)
        !           135: 
        !           136: #endif /* UNLOCKED_IO_H */