| /***********************************************************************/ | |
| /* */ | |
| /* 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; | |
| } | |