iosupp.h

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/****************************************************************************
*
*                            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!
*
****************************************************************************/


#ifndef __IOSUPP_H__
#define __IOSUPP_H__

// IOSUPP.H -- i/o support
//
// 91/06/04 -- J.W.Welch        -- defined
// 92/12/29 -- B.J. Stecher     -- QNX support

#include <stdio.h>

enum file_type                  // TYPES OF FILES
{   FT_SRC                      // - primary source file
,   FT_HEADER                   // - header file (i.e., #include "file.h")
,   FT_LIBRARY                  // - library file (i.e., #include <stdfile.h>)
,   FT_CMD                      // - command line option file (i.e., @compflags)
};
enum out_file_type              // TYPES OF OUTPUT FILES
{   OFT_OBJ                     // - object file
,   OFT_PPO                     // - preprocessor output
,   OFT_ERR                     // - error file name
,   OFT_MBR                     // - browse file name
,   OFT_DEF                     // - prototype definitions
#ifdef OPT_BR
,   OFT_BRI                     // - new browser: module information
#endif
,   OFT_DEP                     // make-style auto-depend filename
,   OFT_TRG                     // target filename
,   OFT_SRCDEP                  // name of first depend(source) in autodep file
,   OFT_MAX
};

// TEMP FILE typedefs
typedef unsigned long           DISK_ADDR;      // disk address
typedef unsigned                DISK_OFFSET;    // offset in disk block
#define TMPBLOCK_BSIZE          (4096)          // - block size for temp file

// PROTOTYPES:

char *IoSuppAddIncPathSep(      // ADD AN INCLUDE PATH SEPARATOR
    char *path )                // - place to add separator
;
boolean IoSuppCloseFile(        // CLOSE FILE IF OPENED
    FILE **file_ptr )           // - addr( file pointer )
;
#if 0
void IoSuppConsoleChr           // PRINT CHARACTER TO CONSOLE
    ( char chr )                // - output character
;
void IoSuppConsoleFlush(        // FLUSH CONSOLE BUFFER
    void )
;
void IoSuppConsoleLine(         // PRINT LINE TO CONSOLE
    char const * line )         // - output line
;
void IoSuppConsoleStr(          // PRINT STRING TO CONSOLE
    char const * line )         // - output line
;
#endif
char *IoSuppFullPath(           // GET FULL PATH OF FILE NAME (ALWAYS USE RET VALUE)
    char *name,                 // - input file name
    char *buff,                 // - output buffer
    unsigned size )             // - output buffer size
;
boolean IoSuppOpenSrc(          // OPEN A SOURCE FILE (PRIMARY,HEADER)
    char *file_name,            // - supplied file name
    enum file_type )            // - what type of file is it?
;
char *IoSuppIncPathElement(     // GET ONE PATH ELEMENT FROM INCLUDE LIST
    const char *path,           // - include list
    char *prefix )              // - buffer to store element
;
char *IoSuppOutFileName(        // BUILD AN OUTPUT NAME FROM SOURCE NAME
    enum out_file_type )        // - extension
;
void IoSuppSetBuffering(        // SET FULL BUFFERING FOR AN OPEN FILE
    FILE *fp,                   // - opened file
    size_t buf_size )           // - buffer size
;
void IoSuppSetLineBuffering(    // SET LINE BUFFERING FOR AN OPEN FILE
    FILE *fp,                   // - opened file
    size_t buf_size )           // - buffer size
;
DISK_ADDR IoSuppTempNextBlock(  // GET NEXT BLOCK NUMBER
    unsigned num_blocks )       // - number of blocks allocated
;
void IoSuppTempRead(            // READ FROM TEMPORARY FILE
    DISK_ADDR   block_num,      // - block within temp file
    size_t      block_size,     // - size of blocks
    void        *data )         // - buffer to read
;
void IoSuppTempWrite(           // WRITE TO TEMPORARY FILE
    DISK_ADDR   block_num,      // - block within temp file
    size_t      block_size,     // - size of blocks
    void        *data )         // - buffer to write
;
#endif