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Annotation of embedaddon/libiconv/srclib/unlocked-io.h, revision 1.1.1.2

1.1       misho       1: /* Prefer faster, non-thread-safe stdio functions if available.
                      2: 
1.1.1.2 ! misho       3:    Copyright (C) 2001-2004, 2009-2011 Free Software Foundation, Inc.
1.1       misho       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 */