1 /* Copyright (C) 1993,1995,1997-2001,2002 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. 18 19 As a special exception, if you link the code in this file with 20 files compiled with a GNU compiler to produce an executable, 21 that does not cause the resulting executable to be covered by 22 the GNU Lesser General Public License. This exception does not 23 however invalidate any other reasons why the executable file 24 might be covered by the GNU Lesser General Public License. 25 This exception applies to code released by its copyright holders 26 in files containing the exception. */ 27 28 #include "libioP.h" 29 #ifdef __STDC__ 30 #include <stdlib.h> 31 #endif 32 #if _LIBC 33 # include "../iconv/gconv_int.h" 34 # include <shlib-compat.h> 35 #else 36 # define SHLIB_COMPAT(a, b, c) 0 37 # define _IO_new_fclose fclose 38 #endif 39 40 int 41 _IO_new_fclose (fp) 42 _IO_FILE *fp; 43 { 44 int status; 45 46 if (fp == NULL) 47 return -1; 48 49 CHECK_FILE(fp, EOF); 50 51 #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1) 52 /* We desperately try to help programs which are using streams in a 53 strange way and mix old and new functions. Detect old streams 54 here. */ 55 if (fp->_vtable_offset != 0) 56 return _IO_old_fclose (fp); 57 #endif 58 59 /* First unlink the stream. */ 60 if (fp->_IO_file_flags & _IO_IS_FILEBUF) 61 INTUSE(_IO_un_link) ((struct _IO_FILE_plus *) fp); 62 63 _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); 64 _IO_flockfile (fp); 65 if (fp->_IO_file_flags & _IO_IS_FILEBUF) 66 status = INTUSE(_IO_file_close_it) (fp); 67 else 68 status = fp->_flags & _IO_ERR_SEEN ? -1 : 0; 69 _IO_FINISH (fp); 70 _IO_funlockfile (fp); 71 _IO_cleanup_region_end (0); 72 if (fp->_mode > 0) 73 { 74 #if 0 75 #if _LIBC 76 /* This stream has a wide orientation. This means we have to free 77 the conversion functions. */ 78 struct _IO_codecvt *cc = fp->_codecvt; 79 80 __gconv_release_step (cc->__cd_in.__cd.__steps); 81 __gconv_release_step (cc->__cd_out.__cd.__steps); 82 #endif 83 #endif 84 } 85 else 86 { 87 if (_IO_have_backup (fp)) 88 INTUSE(_IO_free_backup_area) (fp); 89 } 90 if (fp != _IO_stdin && fp != _IO_stdout && fp != _IO_stderr) 91 { 92 fp->_IO_file_flags = 0; 93 free(fp); 94 } 95 96 return status; 97 } 98 99 #ifdef _LIBC 100 versioned_symbol (libc, _IO_new_fclose, _IO_fclose, GLIBC_2_1); 101 strong_alias (_IO_new_fclose, __new_fclose) 102 versioned_symbol (libc, __new_fclose, fclose, GLIBC_2_1); 103 #endif 104