diff options
Diffstat (limited to 'libio')
| -rw-r--r-- | libio/Makefile | 2 | ||||
| -rw-r--r-- | libio/fwide.c | 53 | ||||
| -rw-r--r-- | libio/iofwide.c | 6 |
3 files changed, 54 insertions, 7 deletions
diff --git a/libio/Makefile b/libio/Makefile index ffc6958ae9..3232b80738 100644 --- a/libio/Makefile +++ b/libio/Makefile @@ -34,7 +34,7 @@ routines := \ iofputws iofputws_u iogetwline iowpadn ioungetwc putwc putwc_u \ putwchar putwchar_u putchar putchar_u fwprintf swprintf vwprintf \ wprintf wscanf fwscanf vwscanf vswprintf iovswscanf swscanf wgenops \ - wstrops wfileops iofwide \ + wstrops wfileops iofwide fwide \ \ clearerr feof ferror fileno fputc freopen fseek getc getchar \ memstream pclose putc putchar rewind setbuf setlinebuf vasprintf \ diff --git a/libio/fwide.c b/libio/fwide.c new file mode 100644 index 0000000000..a4d0e4708c --- /dev/null +++ b/libio/fwide.c @@ -0,0 +1,53 @@ +/* Copyright (C) 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include <libioP.h> +#include <stdio.h> + +int +fwide (fp, mode) + _IO_FILE *fp; + int mode; +{ + int result; + + /* Normalize the value. */ + mode = mode < 0 ? -1 : (mode == 0 ? 0 : 1); + + if (mode == 0 || fp->_mode != 0) + /* The caller simply wants to know about the current orientation + or the orientation already has been determined. */ + return fp->_mode; + + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + + result = _IO_fwide (fp, mode); + + _IO_funlockfile (fp); + _IO_cleanup_region_end (0); + + return result; +} diff --git a/libio/iofwide.c b/libio/iofwide.c index 12649fd9c7..c0ee083029 100644 --- a/libio/iofwide.c +++ b/libio/iofwide.c @@ -92,9 +92,6 @@ _IO_fwide (fp, mode) or the orientation already has been determined. */ return fp->_mode; - _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); - _IO_flockfile (fp); - /* Set the orientation appropriately. */ if (mode > 0) { @@ -150,9 +147,6 @@ _IO_fwide (fp, mode) /* Set the mode now. */ fp->_mode = mode; - _IO_funlockfile (fp); - _IO_cleanup_region_end (0); - return mode; } |