/***********************************************************************/ | |
/* */ | |
/* FILE :lowsrc.c */ | |
/* DATE :Wed, Jun 16, 2010 */ | |
/* DESCRIPTION :Program of I/O Stream */ | |
/* CPU TYPE :Other */ | |
/* */ | |
/* This file is generated by Renesas Project Generator (Ver.4.50). */ | |
/* NOTE:THIS IS A TYPICAL EXAMPLE. */ | |
/* */ | |
/***********************************************************************/ | |
/********************************************************************* | |
* | |
* Device : RX | |
* | |
* File Name : lowsrc.c | |
* | |
* Abstract : Program of I/O Stream. | |
* | |
* History : 1.00 (2009-08-07) | |
* | |
* NOTE : THIS IS A TYPICAL EXAMPLE. | |
* | |
* Copyright(c) 2009 Renesas Technology Corp. | |
* And Renesas Solutions Corp.,All Rights Reserved. | |
* | |
*********************************************************************/ | |
#include <string.h> | |
#include <stdio.h> | |
#include <stddef.h> | |
#include "lowsrc.h" | |
/* 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; | |
} | |