| 1 | /* Copyright (C) 1993, 1995, 1997-1999, 2000 Free Software Foundation, Inc.
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| 2 | This file is part of the GNU IO Library.
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| 3 |
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| 4 | This library is free software; you can redistribute it and/or
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| 5 | modify it under the terms of the GNU General Public License as
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| 6 | published by the Free Software Foundation; either version 2, or (at
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| 7 | your option) any later version.
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| 8 |
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| 9 | This library is distributed in the hope that it will be useful, but
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| 10 | WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 12 | General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public License
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| 15 | along with this library; see the file COPYING. If not, write to
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| 16 | the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
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| 17 | MA 02111-1307, USA.
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| 18 |
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| 19 | As a special exception, if you link this library with files
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| 20 | compiled with a GNU compiler to produce an executable, this does
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| 21 | not cause the resulting executable to be covered by the GNU General
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| 22 | Public License. This exception does not however invalidate any
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| 23 | other reasons why the executable file might be covered by the GNU
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| 24 | General Public License. */
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| 25 |
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| 26 | #include "libioP.h"
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| 27 | #ifdef __STDC__
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| 28 | #include <stdlib.h>
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| 29 | #endif
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| 30 | #if _LIBC
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| 31 | # include "../iconv/gconv_int.h"
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| 32 | # include <shlib-compat.h>
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| 33 | #else
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| 34 | # define SHLIB_COMPAT(a, b, c) 0
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| 35 | # define _IO_new_fclose fclose
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| 36 | #endif
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| 37 |
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| 38 | int
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| 39 | _IO_new_fclose (fp)
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| 40 | _IO_FILE *fp;
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| 41 | {
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| 42 | int status;
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| 43 |
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| 44 | CHECK_FILE(fp, EOF);
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| 45 |
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| 46 | #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
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| 47 | /* We desperately try to help programs which are using streams in a
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| 48 | strange way and mix old and new functions. Detect old streams
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| 49 | here. */
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| 50 | if (fp->_vtable_offset != 0)
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| 51 | return _IO_old_fclose (fp);
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| 52 | #endif
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| 53 |
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| 54 | _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
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| 55 | _IO_flockfile (fp);
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| 56 | if (fp->_IO_file_flags & _IO_IS_FILEBUF)
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| 57 | status = _IO_file_close_it (fp);
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| 58 | else
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| 59 | status = fp->_flags & _IO_ERR_SEEN ? -1 : 0;
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| 60 | _IO_FINISH (fp);
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| 61 | _IO_funlockfile (fp);
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| 62 | if (fp->_mode > 0)
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| 63 | {
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| 64 | #if _LIBC
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| 65 | /* This stream has a wide orientation. This means we have to free
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| 66 | the conversion functions. */
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| 67 | struct _IO_codecvt *cc = fp->_codecvt;
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| 68 |
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| 69 | if (cc->__cd_in.__cd.__steps->__shlib_handle != NULL)
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| 70 | {
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| 71 | --cc->__cd_in.__cd.__steps->__counter;
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| 72 | __gconv_close_transform (cc->__cd_in.__cd.__steps, 1);
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| 73 | }
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| 74 | if (cc->__cd_out.__cd.__steps->__shlib_handle != NULL)
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| 75 | {
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| 76 | --cc->__cd_out.__cd.__steps->__counter;
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| 77 | __gconv_close_transform (cc->__cd_out.__cd.__steps, 1);
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| 78 | }
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| 79 | #endif
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| 80 | }
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| 81 | _IO_cleanup_region_end (0);
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| 82 | if (_IO_have_backup (fp))
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| 83 | _IO_free_backup_area (fp);
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| 84 | if (fp != _IO_stdin && fp != _IO_stdout && fp != _IO_stderr)
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| 85 | {
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| 86 | fp->_IO_file_flags = 0;
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| 87 | free(fp);
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| 88 | }
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| 89 |
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| 90 | return status;
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| 91 | }
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| 92 |
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| 93 | #ifdef _LIBC
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| 94 | versioned_symbol (libc, _IO_new_fclose, _IO_fclose, GLIBC_2_1);
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| 95 | strong_alias (_IO_new_fclose, __new_fclose)
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| 96 | versioned_symbol (libc, __new_fclose, fclose, GLIBC_2_1);
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| 97 | #endif
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