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Diffstat (limited to 'newlib/libc/stdio/fclose.c')
-rw-r--r-- | newlib/libc/stdio/fclose.c | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/newlib/libc/stdio/fclose.c b/newlib/libc/stdio/fclose.c deleted file mode 100644 index 3c8868a51..000000000 --- a/newlib/libc/stdio/fclose.c +++ /dev/null @@ -1,119 +0,0 @@ -/* - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms are permitted - * provided that the above copyright notice and this paragraph are - * duplicated in all such forms and that any documentation, - * advertising materials, and other materials related to such - * distribution and use acknowledge that the software was developed - * by the University of California, Berkeley. The name of the - * University may not be used to endorse or promote products derived - * from this software without specific prior written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ - -/* -FUNCTION -<<fclose>>---close a file - -INDEX - fclose -INDEX - _fclose_r - -ANSI_SYNOPSIS - #include <stdio.h> - int fclose(FILE *<[fp]>); - int _fclose_r(struct _reent *<[reent]>, FILE *<[fp]>); - -TRAD_SYNOPSIS - #include <stdio.h> - int fclose(<[fp]>) - FILE *<[fp]>; - - int fclose(<[fp]>) - struct _reent *<[reent]> - FILE *<[fp]>; - -DESCRIPTION -If the file or stream identified by <[fp]> is open, <<fclose>> closes -it, after first ensuring that any pending data is written (by calling -<<fflush(<[fp]>)>>). - -The alternate function <<_fclose_r>> is a reentrant version. -The extra argument <[reent]> is a pointer to a reentrancy structure. - -RETURNS -<<fclose>> returns <<0>> if successful (including when <[fp]> is -<<NULL>> or not an open file); otherwise, it returns <<EOF>>. - -PORTABILITY -<<fclose>> is required by ANSI C. - -Required OS subroutines: <<close>>, <<fstat>>, <<isatty>>, <<lseek>>, -<<read>>, <<sbrk>>, <<write>>. -*/ - -#include <_ansi.h> -#include <reent.h> -#include <stdio.h> -#include <stdlib.h> -#include <sys/lock.h> -#include "local.h" - -int -_DEFUN(_fclose_r, (rptr, fp), - struct _reent *rptr _AND - register FILE * fp) -{ - int r; - - if (fp == NULL) - return (0); /* on NULL */ - - CHECK_INIT (rptr, fp); - - _flockfile (fp); - - if (fp->_flags == 0) /* not open! */ - { - _funlockfile (fp); - return (0); - } - /* Unconditionally flush to allow special handling for seekable read - files to reposition file to last byte processed as opposed to - last byte read ahead into the buffer. */ - r = _fflush_r (rptr, fp); - if (fp->_close != NULL && fp->_close (rptr, fp->_cookie) < 0) - r = EOF; - if (fp->_flags & __SMBF) - _free_r (rptr, (char *) fp->_bf._base); - if (HASUB (fp)) - FREEUB (rptr, fp); - if (HASLB (fp)) - FREELB (rptr, fp); - __sfp_lock_acquire (); - fp->_flags = 0; /* release this FILE for reuse */ - _funlockfile (fp); -#ifndef __SINGLE_THREAD__ - __lock_close_recursive (fp->_lock); -#endif - - __sfp_lock_release (); - - return (r); -} - -#ifndef _REENT_ONLY - -int -_DEFUN(fclose, (fp), - register FILE * fp) -{ - return _fclose_r(_REENT, fp); -} - -#endif |