| /programs/develop/open watcom/trunk/clib/handleio/close.c |
|---|
| 0,0 → 1,50 |
| /**************************************************************************** |
| * |
| * Open Watcom Project |
| * |
| * Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved. |
| * |
| * ======================================================================== |
| * |
| * This file contains Original Code and/or Modifications of Original |
| * Code as defined in and that are subject to the Sybase Open Watcom |
| * Public License version 1.0 (the 'License'). You may not use this file |
| * except in compliance with the License. BY USING THIS FILE YOU AGREE TO |
| * ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is |
| * provided with the Original Code and Modifications, and is also |
| * available at www.sybase.com/developer/opensource. |
| * |
| * The Original Code and all software distributed under the License are |
| * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| * EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM |
| * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR |
| * NON-INFRINGEMENT. Please see the License for the specific language |
| * governing rights and limitations under the License. |
| * |
| * ======================================================================== |
| * |
| * Description: WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE |
| * DESCRIBE IT HERE! |
| * |
| ****************************************************************************/ |
| #include "variety.h" |
| #include <stdio.h> |
| #include <errno.h> |
| #include "rtdata.h" |
| #include "rtcheck.h" |
| #include "seterrno.h" |
| #include <unistd.h> |
| #include "close.h" |
| _WCRTLINK int close( int handle ) |
| { |
| int rc; |
| __handle_check( handle, -1 ); |
| rc = __close( handle ); |
| return( rc ); |
| } |
| /programs/develop/open watcom/trunk/clib/handleio/read.c |
|---|
| 0,0 → 1,135 |
| /**************************************************************************** |
| * |
| * Open Watcom Project |
| * |
| * Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved. |
| * |
| * ======================================================================== |
| * |
| * This file contains Original Code and/or Modifications of Original |
| * Code as defined in and that are subject to the Sybase Open Watcom |
| * Public License version 1.0 (the 'License'). You may not use this file |
| * except in compliance with the License. BY USING THIS FILE YOU AGREE TO |
| * ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is |
| * provided with the Original Code and Modifications, and is also |
| * available at www.sybase.com/developer/opensource. |
| * |
| * The Original Code and all software distributed under the License are |
| * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| * EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM |
| * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR |
| * NON-INFRINGEMENT. Please see the License for the specific language |
| * governing rights and limitations under the License. |
| * |
| * ======================================================================== |
| * |
| * Description: WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE |
| * DESCRIBE IT HERE! |
| * |
| ****************************************************************************/ |
| #include "variety.h" |
| #include <stdio.h> |
| #include <io.h> |
| #include <fcntl.h> |
| #include <errno.h> |
| #include "iomode.h" |
| #include "fileacc.h" |
| #include "rtcheck.h" |
| #include "rtdata.h" |
| #include "seterrno.h" |
| #include "lseek.h" |
| typedef struct |
| { |
| char *name; |
| unsigned int offset; |
| }__file_handle; |
| int _stdcall read_file (const char *name,char *buff,unsigned offset, unsigned count,unsigned *reads); |
| _WCRTLINK int read( int handle, void *buf, unsigned len ) |
| { |
| unsigned read_len, total_len; |
| unsigned reduce_idx, finish_idx; |
| unsigned iomode_flags; |
| char *buffer = buf; |
| BOOL rc; |
| HANDLE h; |
| unsigned amount_read; |
| __file_handle *fh; |
| __handle_check( handle, -1 ); |
| __ChkTTYIOMode( handle ); |
| iomode_flags = __GetIOMode( handle ); |
| if( iomode_flags == 0 ) |
| { |
| __set_errno( EBADF ); |
| return( -1 ); |
| } |
| if( !(iomode_flags & _READ) ) |
| { |
| __set_errno( EACCES ); /* changed from EBADF to EACCES 23-feb-89 */ |
| return( -1 ); |
| } |
| fh = (__file_handle*) __getOSHandle( handle ); |
| if( iomode_flags & _BINARY ) /* if binary mode */ |
| { |
| if(read_file(fh->name,buffer,fh->offset,len,&amount_read)) |
| { |
| if ( amount_read == 0) |
| return (-1); |
| } |
| fh->offset+=amount_read; |
| total_len = amount_read; |
| } |
| else |
| { |
| total_len = 0; |
| read_len = len; |
| do |
| { |
| if(read_file(fh->name,buffer,fh->offset,len,&amount_read)) |
| { |
| if( amount_read == 0 ) |
| { /* EOF */ |
| break; |
| } |
| } |
| reduce_idx = 0; |
| finish_idx = reduce_idx; |
| for( ; reduce_idx < amount_read; ++reduce_idx ) |
| { |
| if( buffer[ reduce_idx ] == 0x1a ) /* EOF */ |
| { |
| __lseek( handle, |
| ((long)reduce_idx - (long)amount_read)+1L, |
| SEEK_CUR ); |
| total_len += finish_idx; |
| return( total_len ); |
| } |
| if( buffer[ reduce_idx ] != '\r' ) |
| { |
| buffer[ finish_idx++ ] = buffer[ reduce_idx ]; |
| }; |
| } |
| total_len += finish_idx; |
| buffer += finish_idx; |
| read_len -= finish_idx; |
| if( iomode_flags & _ISTTY ) |
| { |
| break; /* 04-feb-88, FWC */ |
| } |
| } while( read_len != 0 ); |
| } |
| return( total_len ); |
| } |
| /programs/develop/open watcom/trunk/clib/handleio/unlnkwnt.c |
|---|
| 0,0 → 1,46 |
| /**************************************************************************** |
| * |
| * Open Watcom Project |
| * |
| * Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved. |
| * |
| * ======================================================================== |
| * |
| * This file contains Original Code and/or Modifications of Original |
| * Code as defined in and that are subject to the Sybase Open Watcom |
| * Public License version 1.0 (the 'License'). You may not use this file |
| * except in compliance with the License. BY USING THIS FILE YOU AGREE TO |
| * ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is |
| * provided with the Original Code and Modifications, and is also |
| * available at www.sybase.com/developer/opensource. |
| * |
| * The Original Code and all software distributed under the License are |
| * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| * EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM |
| * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR |
| * NON-INFRINGEMENT. Please see the License for the specific language |
| * governing rights and limitations under the License. |
| * |
| * ======================================================================== |
| * |
| * Description: WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE |
| * DESCRIBE IT HERE! |
| * |
| ****************************************************************************/ |
| #include "variety.h" |
| #include "widechar.h" |
| #include "seterrno.h" |
| #include <unistd.h> |
| int _stdcall sys_delete_file(const CHAR_TYPE *filename); |
| _WCRTLINK int __F_NAME(unlink,_wunlink)( const CHAR_TYPE *filename ) |
| { |
| if( sys_delete_file( filename )) { |
| return( -1 ); |
| } |
| return( 0 ); |
| } |