(linenum→info "unix/slp.c:2238")

glibc/2.7/libio/iofsetpos64.c

    1: /* Copyright (C) 1993, 1995, 1997, 1998, 1999, 2000, 2002, 2003
    2:    Free Software Foundation, Inc.
    3:    This file is part of the GNU C Library.
    4: 
    5:    The GNU C Library is free software; you can redistribute it and/or
    6:    modify it under the terms of the GNU Lesser General Public
    7:    License as published by the Free Software Foundation; either
    8:    version 2.1 of the License, or (at your option) any later version.
    9: 
   10:    The GNU C Library 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 GNU
   13:    Lesser General Public License for more details.
   14: 
   15:    You should have received a copy of the GNU Lesser General Public
   16:    License along with the GNU C Library; if not, write to the Free
   17:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   18:    02111-1307 USA.
   19: 
   20:    As a special exception, if you link the code in this file with
   21:    files compiled with a GNU compiler to produce an executable,
   22:    that does not cause the resulting executable to be covered by
   23:    the GNU Lesser General Public License.  This exception does not
   24:    however invalidate any other reasons why the executable file
   25:    might be covered by the GNU Lesser General Public License.
   26:    This exception applies to code released by its copyright holders
   27:    in files containing the exception.  */
   28: 
   29: #include <libioP.h>
   30: #include <errno.h>
   31: #include <shlib-compat.h>
   32: 
   33: int
   34: _IO_new_fsetpos64 (fp, posp)
   35:      _IO_FILE *fp;
   36:      const _IO_fpos64_t *posp;
   37: {
   38: #ifdef _G_LSEEK64
   39:   int result;
   40:   CHECK_FILE (fp, EOF);
   41:   _IO_acquire_lock (fp);
   42:   if (_IO_seekpos_unlocked (fp, posp->__pos, _IOS_INPUT|_IOS_OUTPUT)
   43:       == _IO_pos_BAD)
   44:     {
   45:       /* ANSI explicitly requires setting errno to a positive value on
   46:          failure.  */
   47: #ifdef EIO
   48:       if (errno == 0)
   49:         __set_errno (EIO);
   50: #endif
   51:       result = EOF;
   52:     }
   53:   else
   54:     {
   55:       result = 0;
   56:       if (fp->_mode > 0
   57:           && (*fp->_codecvt->__codecvt_do_encoding) (fp->_codecvt) < 0)
   58:         /* This is a stateful encoding, safe the state.  */
   59:         fp->_wide_data->_IO_state = posp->__state;
   60:     }
   61:   _IO_release_lock (fp);
   62:   return result;
   63: #else
   64:   __set_errno (ENOSYS);
   65:   return EOF;
   66: #endif
   67: }
   68: 
   69: strong_alias (_IO_new_fsetpos64, __new_fsetpos64)
   70: versioned_symbol (libc, __new_fsetpos64, fsetpos64, GLIBC_2_2);
   71: versioned_symbol (libc, _IO_new_fsetpos64, _IO_fsetpos64, GLIBC_2_2);
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