diff options
Diffstat (limited to 'newlib/libc/stdio/fclose.c')
| -rw-r--r-- | newlib/libc/stdio/fclose.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/newlib/libc/stdio/fclose.c b/newlib/libc/stdio/fclose.c index a125f16ef..0f92e0777 100644 --- a/newlib/libc/stdio/fclose.c +++ b/newlib/libc/stdio/fclose.c @@ -4,21 +4,31 @@ FUNCTION INDEX fclose +INDEX + _fclose_r ANSI_SYNOPSIS #include <stdio.h> int fclose(FILE *<[fp]>); + int _fclose_r(void *<[reent]>, FILE *<[fp]>); TRAD_SYNOPSIS #include <stdio.h> int fclose(<[fp]>) FILE *<[fp]>; + + int fclose(<[fp]>) + void *<[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>>. @@ -47,6 +57,7 @@ Required OS subroutines: <<close>>, <<fstat>>, <<isatty>>, <<lseek>>, * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ +#include <reent.h> #include <stdio.h> #include <stdlib.h> #include "local.h" @@ -57,8 +68,9 @@ Required OS subroutines: <<close>>, <<fstat>>, <<isatty>>, <<lseek>>, */ int -_DEFUN (fclose, (fp), - register FILE * fp) +_DEFUN (_fclose_r, (rptr, fp), + struct _reent *rptr _AND + register FILE * fp) { int r; @@ -81,7 +93,7 @@ _DEFUN (fclose, (fp), if (fp->_close != NULL && (*fp->_close) (fp->_cookie) < 0) r = EOF; if (fp->_flags & __SMBF) - _free_r (_REENT, (char *) fp->_bf._base); + _free_r (rptr, (char *) fp->_bf._base); if (HASUB (fp)) FREEUB (fp); if (HASLB (fp)) @@ -96,3 +108,15 @@ _DEFUN (fclose, (fp), return (r); } + +#ifndef _REENT_ONLY + +int +_DEFUN (fclose, (fp), + register FILE * fp) +{ + return _fclose_r(_REENT, fp); +} + +#endif + |