| /***********************************************************************************************************************
|
| * DISCLAIMER
|
| * This software is supplied by Renesas Electronics Corporation and is only intended for use with Renesas products. No
|
| * other uses are authorized. This software is owned by Renesas Electronics Corporation and is protected under all
|
| * applicable laws, including copyright laws.
|
| * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
|
| * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY,
|
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED. TO THE MAXIMUM
|
| * EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES
|
| * SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR ANY REASON RELATED TO THIS
|
| * SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
|
| * Renesas reserves the right, without notice, to make changes to this software and to discontinue the availability of
|
| * this software. By using this software, you agree to the additional terms and conditions found by accessing the
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| * following link:
|
| * http://www.renesas.com/disclaimer
|
| *
|
| * Copyright (C) 2012 Renesas Electronics Corporation. All rights reserved.
|
| ***********************************************************************************************************************/
|
| /***********************************************************************************************************************
|
| * File Name : lowsrc.c
|
| * Description : Functions to support stream I/O
|
| ***********************************************************************************************************************/
|
| /***********************************************************************************************************************
|
| * History : DD.MM.YYYY Version Description
|
| * : 26.10.2011 1.00 First Release
|
| ***********************************************************************************************************************/
|
| /***********************************************************************************************************************
|
| Includes <System Includes> , "Project Includes"
|
| ***********************************************************************************************************************/
|
| #include <string.h>
|
| #include <stdio.h>
|
| #include <stddef.h>
|
|
|
| /***********************************************************************************************************************
|
| Macro definitions
|
| ***********************************************************************************************************************/
|
| /*Number of I/O Stream*/ |
| #define IOSTREAM 20 |
| |
| /* file number */
|
| #define STDIN 0 /* Standard input (console) */
|
| #define STDOUT 1 /* Standard output (console) */
|
| #define STDERR 2 /* Standard error output (console) */
|
|
|
| #define FLMIN 0 /* Minimum file number */
|
| #define _MOPENR 0x1
|
| #define _MOPENW 0x2
|
| #define _MOPENA 0x4
|
| #define _MTRUNC 0x8
|
| #define _MCREAT 0x10
|
| #define _MBIN 0x20
|
| #define _MEXCL 0x40
|
| #define _MALBUF 0x40
|
| #define _MALFIL 0x80
|
| #define _MEOF 0x100
|
| #define _MERR 0x200
|
| #define _MLBF 0x400
|
| #define _MNBF 0x800
|
| #define _MREAD 0x1000
|
| #define _MWRITE 0x2000
|
| #define _MBYTE 0x4000
|
| #define _MWIDE 0x8000
|
| /* File Flags */
|
| #define O_RDONLY 0x0001 /* Read only */
|
| #define O_WRONLY 0x0002 /* Write only */
|
| #define O_RDWR 0x0004 /* Both read and Write */
|
| #define O_CREAT 0x0008 /* A file is created if it is not existed */
|
| #define O_TRUNC 0x0010 /* The file size is changed to 0 if it is existed. */
|
| #define O_APPEND 0x0020 /* The position is set for next reading/writing */
|
| /* 0: Top of the file 1: End of file */
|
|
|
| /* Special character code */
|
| #define CR 0x0d /* Carriage return */
|
| #define LF 0x0a /* Line feed */
|
|
|
| #if defined( __RX )
|
| const long _nfiles = IOSTREAM; /* The number of files for input/output files */
|
| #else
|
| const int _nfiles = IOSTREAM; /* The number of files for input/output files */
|
| #endif
|
| char flmod[IOSTREAM]; /* The location for the mode of opened file. */
|
|
|
| unsigned char sml_buf[IOSTREAM];
|
|
|
| #define FPATH_STDIN "C:\\stdin"
|
| #define FPATH_STDOUT "C:\\stdout"
|
| #define FPATH_STDERR "C:\\stderr"
|
|
|
| /* H8 Normal mode ,SH and RX */
|
| #if defined( __2000N__ ) || defined( __2600N__ ) || defined( __300HN__ ) || defined( _SH )
|
| /* Output one character to standard output */
|
| extern void charput(char);
|
| /* Input one character from standard input */
|
| extern char charget(void);
|
| /* Output one character to the file */
|
| extern char fcharput(char, unsigned char);
|
| /* Input one character from the file */
|
| extern char fcharget(char*, unsigned char);
|
| /* Open the file */
|
| extern char fileopen(char*, unsigned char, unsigned char*);
|
| /* Close the file */
|
| extern char fileclose(unsigned char);
|
| /* Move the file offset */
|
| extern char fpseek(unsigned char, long, unsigned char);
|
| /* Get the file offset */
|
| extern char fptell(unsigned char, long*);
|
|
|
| /* RX */
|
| #elif defined( __RX )
|
| /* Output one character to standard output */
|
| extern void charput(unsigned char);
|
| /* Input one character from standard input */
|
| extern unsigned char charget(void);
|
|
|
| /* H8 Advanced mode */
|
| #elif defined( __2000A__ ) || defined( __2600A__ ) || defined( __300HA__ ) || defined( __H8SXN__ ) || defined( __H8SXA__ ) || defined( __H8SXM__ ) || defined( __H8SXX__ )
|
| /* Output one character to standard output */
|
| extern void charput(char);
|
| /* Input one character from standard input */
|
| extern char charget(void);
|
| /* Output one character to the file */
|
| extern char fcharput(char, unsigned char);
|
| /* Input one character from the file */
|
| extern char fcharget(char*, unsigned char);
|
| /* Open the file */
|
| /* Specified as the number of register which stored paramter is 3 */
|
| extern char __regparam3 fileopen(char*, unsigned char, unsigned char*);
|
| /* Close the file */
|
| extern char fileclose(unsigned char);
|
| /* Move the file offset */
|
| extern char fpseek(unsigned char, long, unsigned char);
|
| /* Get the file offset */
|
| extern char fptell(unsigned char, long*);
|
|
|
| /* H8300 and H8300L */
|
| #elif defined( __300__ ) || defined( __300L__ )
|
| /* Output one character to standard output */
|
| extern void charput(char);
|
| /* Input one character from standard input */
|
| extern char charget(void);
|
| /* Output one character to the file */
|
| extern char fcharput(char, unsigned char);
|
| /* Input one character from the file */
|
| extern char fcharget(char*, unsigned char);
|
| /* Open the file */
|
| /* Specified as the number of register which stored paramter is 3 */
|
| extern char __regparam3 fileopen(char*, unsigned char, unsigned char*);
|
| /* Close the file */
|
| extern char fileclose(unsigned char);
|
| /* Move the file offset */
|
| /* Move the file offset */
|
| extern char __regparam3 fpseek(unsigned char, long, unsigned char);
|
| /* Get the file offset */
|
| extern char fptell(unsigned char, long*);
|
| #endif
|
|
|
| #include <stdio.h>
|
| FILE *_Files[IOSTREAM]; // structure for FILE
|
| char *env_list[] = { // Array for environment variables(**environ)
|
| "ENV1=temp01",
|
| "ENV2=temp02",
|
| "ENV9=end",
|
| '\0' // Terminal for environment variables
|
| };
|
|
|
| char **environ = env_list;
|
|
|
| /****************************************************************************/
|
| /* _INIT_IOLIB */
|
| /* Initialize C library Functions, if necessary. */
|
| /* Define USES_SIMIO on Assembler Option. */
|
| /****************************************************************************/
|
| void _INIT_IOLIB( void )
|
| {
|
| /* A file for standard input/output is opened or created. Each FILE */
|
| /* structure members are initialized by the library. Each _Buf member */
|
| /* in it is re-set the end of buffer pointer. */
|
|
|
| /* Standard Input File */
|
| if( freopen( FPATH_STDIN, "r", stdin ) == NULL )
|
| stdin->_Mode = 0xffff; /* Not allow the access if it fails to open */
|
| stdin->_Mode = _MOPENR; /* Read only attribute */
|
| stdin->_Mode |= _MNBF; /* Non-buffering for data */
|
| stdin->_Bend = stdin->_Buf + 1; /* Re-set pointer to the end of buffer */
|
|
|
| /* Standard Output File */
|
| if( freopen( FPATH_STDOUT, "w", stdout ) == NULL )
|
| stdout->_Mode = 0xffff; /* Not allow the access if it fails to open */
|
| stdout->_Mode |= _MNBF; /* Non-buffering for data */
|
| stdout->_Bend = stdout->_Buf + 1;/* Re-set pointer to the end of buffer */
|
|
|
| /* Standard Error File */
|
| if( freopen( FPATH_STDERR, "w", stderr ) == NULL )
|
| stderr->_Mode = 0xffff; /* Not allow the access if it fails to open */
|
| stderr->_Mode |= _MNBF; /* Non-buffering for data */
|
| stderr->_Bend = stderr->_Buf + 1;/* Re-set pointer to the end of buffer */
|
| }
|
|
|
| /****************************************************************************/
|
| /* _CLOSEALL */
|
| /****************************************************************************/
|
| void _CLOSEALL( void )
|
| {
|
| long i;
|
|
|
| for( i=0; i < _nfiles; i++ )
|
| {
|
| /* Checks if the file is opened or not */
|
| if( _Files[i]->_Mode & (_MOPENR | _MOPENW | _MOPENA ) )
|
| fclose( _Files[i] ); /* Closes the file */
|
| }
|
| }
|
|
|
| /**************************************************************************/
|
| /* open:file open */
|
| /* Return value:File number (Pass) */
|
| /* -1 (Failure) */
|
| /**************************************************************************/
|
| #if defined( __RX )
|
| long open(const char *name, /* File name */
|
| long mode, /* Open mode */
|
| long flg) /* Open flag */
|
| #else
|
| int open(char *name, /* File name */
|
| int mode, /* Open mode */
|
| int flg) /* Open flag */
|
| #endif
|
| {
|
|
|
|
|
| if( strcmp( name, FPATH_STDIN ) == 0 ) /* Standard Input file? */
|
| {
|
| if( ( mode & O_RDONLY ) == 0 ) return -1;
|
| flmod[STDIN] = mode;
|
| return STDIN;
|
| }
|
| else if( strcmp( name, FPATH_STDOUT ) == 0 )/* Standard Output file? */
|
| {
|
| if( ( mode & O_WRONLY ) == 0 ) return -1;
|
| flmod[STDOUT] = mode;
|
| return STDOUT;
|
| }
|
| else if(strcmp(name, FPATH_STDERR ) == 0 ) /* Standard Error file? */
|
| {
|
| if( ( mode & O_WRONLY ) == 0 ) return -1;
|
| flmod[STDERR] = mode;
|
| return STDERR;
|
| }
|
| else return -1; /*Others */
|
| }
|
|
|
| #if defined( __RX )
|
| long close( long fileno )
|
| #else
|
| int close( int fileno )
|
| #endif
|
| {
|
| return 1;
|
| }
|
|
|
| /**************************************************************************/
|
| /* write:Data write */
|
| /* Return value:Number of write characters (Pass) */
|
| /* -1 (Failure) */
|
| /**************************************************************************/
|
| #if defined( __RX )
|
| long write(long fileno, /* File number */
|
| const unsigned char *buf, /* The address of destination buffer */
|
| long count) /* The number of chacter to write */
|
| #else
|
| int write(int fileno, /* File number */
|
| char *buf, /* The address of destination buffer */
|
| int count) /* The number of chacter to write */
|
| #endif
|
| {
|
| long i; /* A variable for counter */
|
| unsigned char c; /* An output character */
|
|
|
| /* Checking the mode of file , output each character */
|
| /* Checking the attribute for Write-Only, Read-Only or Read-Write */
|
| if(flmod[fileno]&O_WRONLY || flmod[fileno]&O_RDWR)
|
| {
|
| if( fileno == STDIN ) return -1; /* Standard Input */
|
| else if( (fileno == STDOUT) || (fileno == STDERR) )
|
| /* Standard Error/output */
|
| {
|
| for( i = count; i > 0; --i )
|
| {
|
| c = *buf++;
|
| charput(c);
|
| }
|
| return count; /*Return the number of written characters */
|
| }
|
| else return -1; /* Incorrect file number */
|
| }
|
| else return -1; /* An error */
|
| }
|
|
|
| #if defined( __RX )
|
| long read( long fileno, unsigned char *buf, long count )
|
| #else
|
| int read( int fileno, char *buf, unsigned int count )
|
| #endif
|
| {
|
| long i;
|
|
|
| /* Checking the file mode with the file number, each character is input and stored the buffer */
|
|
|
| if((flmod[fileno]&_MOPENR) || (flmod[fileno]&O_RDWR)){
|
| for(i = count; i > 0; i--){
|
| *buf = charget();
|
| if(*buf==CR){ /* Replace the new line character */
|
| *buf = LF;
|
| }
|
| buf++;
|
| }
|
| return count;
|
| }
|
| else {
|
| return -1;
|
| }
|
| }
|
|
|
| #if defined( __RX )
|
| long lseek( long fileno, long offset, long base )
|
| #else
|
| long lseek( int fileno, long offset, int base )
|
| #endif
|
| {
|
| return -1L;
|
| }
|
|
|