kc3-lang/gnulib/lib/fpending.c

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• Hash : e7fb52b3
  Author :
  Date : 2018-05-12T20:58:58
  

  stdioext: Fix compilation errors with newer Android headers.
  
  * lib/stdio-impl.h (fp_, fp_ub): Define differently for Android.
  (__SLBF, __SNBF, __SRD, __SWR, __SRW, __SEOF, __SERR, __SOFF): Define
  fallbacks for Android.
  * lib/fpending.c: Update comments.
  * lib/fpurge.c: Likewise.
  * lib/freadable.h: Likewise.
  * lib/freadable.c: Likewise.
  * lib/freadahead.c: Likewise.
  * lib/freading.h: Likewise.
  * lib/freadptr.c: Likewise.
  * lib/fseterr.c: Likewise.
  * lib/fwritable.h: Likewise.
  * lib/fwritable.c: Likewise.
  * lib/fwriting.h: Likewise.
  * lib/fwriting.c: Likewise.
  

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• lib/fpending.c

• /* fpending.c -- return the number of pending output bytes on a stream
     Copyright (C) 2000, 2004, 2006-2007, 2009-2018 Free Software Foundation,
     Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  /* Written by Jim Meyering. */
  
  #include <config.h>
  
  /* Specification.  */
  #include "fpending.h"
  
  #include "stdio-impl.h"
  
  /* This file is not used on systems that already have the __fpending function,
     namely glibc >= 2.2, Solaris >= 7, Android API >= 23.  */
  
  /* Return the number of pending (aka buffered, unflushed)
     bytes on the stream, FP, that is open for writing.  */
  size_t
  __fpending (FILE *fp)
  {
    /* Most systems provide FILE as a struct and the necessary bitmask in
       <stdio.h>, because they need it for implementing getc() and putc() as
       fast macros.  */
  #if defined _IO_EOF_SEEN || defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1
    /* GNU libc, BeOS, Haiku, Linux libc5 */
    return fp->_IO_write_ptr - fp->_IO_write_base;
  #elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
    /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
    return fp->_p - fp->_bf._base;
  #elif defined __EMX__                /* emx+gcc */
    return fp->_ptr - fp->_buffer;
  #elif defined __minix                /* Minix */
    return fp_->_ptr - fp_->_buf;
  #elif defined _IOERR                 /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw, MSVC, NonStop Kernel, OpenVMS */
    return (fp_->_ptr ? fp_->_ptr - fp_->_base : 0);
  #elif defined __UCLIBC__             /* uClibc */
    return (fp->__modeflags & __FLAG_WRITING ? fp->__bufpos - fp->__bufstart : 0);
  #elif defined __QNX__                /* QNX */
    return (fp->_Mode & 0x2000 /*_MWRITE*/ ? fp->_Next - fp->_Buf : 0);
  #elif defined __MINT__               /* Atari FreeMiNT */
    return fp->__bufp - fp->__buffer;
  #elif defined EPLAN9                 /* Plan9 */
    return fp->wp - fp->buf;
  #else
  # error "Please port gnulib fpending.c to your platform!"
    return 1;
  #endif
  }
  

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