/* * raw2sco.c * * Author : Lionetti Salvatore <salvatorelionetti@yahoo.it> * License: GPL * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */#include<fcntl.h>  /* open().*/#include<unistd.h> /* read()/close().*/#include<stdio.h>#include<string.h> /* To have memcpy().*/int main(int argc, char* argv[]) {	int ritorno;	char scoHandle[2];	int fd;		/* Get sco handle.*/	{		ritorno = 1;		int fd=open("data.txt",O_RDONLY,0666);		if (fd>0) {			char handles[8];			if (read(fd,handles,8)==8) {				scoHandle[0]=handles[6];				scoHandle[1]=handles[7];				ritorno = 0;			}			close(fd);		}	}	fd=0;	if (argc>1) {		fd=open(argv[1],O_RDONLY,0666);		ritorno=(fd<=0);	}	/* Read from sco file.*/	if (ritorno == 0) {		/* 		 * Tipical frame:		 *  handle len		 *  2b  00  30 ... (48 bytes)		 */		ritorno = 1;				/* on 0 return, driver is ok.*/		while (ritorno>0) {			char data[48];			unsigned char len=48;			unsigned char l;			int nTenta=100;			int headWr=0;			l=0;						while (ritorno>=0 && l<len && nTenta) {				ritorno=read(fd,data+l,len-l);				if (ritorno>0) {					if (!headWr) {						headWr=1;						write(1,scoHandle,2);						write(1,&len,1);					}					write(1,data+l,ritorno);					nTenta=100;				} else					nTenta--;				l+=ritorno;			}			if (ritorno>=0 && headWr) {				memset(data+l,0,len-l);				write(1,data+l,len-l);			}		}	}	fprintf(stderr,"ritorno(%d)",ritorno);	return ritorno;}