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1085 pj 1
/*
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 *
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 *
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 *
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 */
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#include <kernel/func.h>
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#include <fs/bdevinit.h>
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#include <fs/fsinit.h>
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#include <fs/bdev.h>
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#include <drivers/keyb.h>
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#include <sys/mount.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include "common.h"
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//#define FILENAME "/temp/ALFA1.TXT"
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#define FILENAME "/pippo.c"
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int leggi(int h)
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{
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  char buffer[124];
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  int len;
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  memset(buffer,'\0',sizeof(buffer));
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  cprintf("READING...\n");
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  len=read(h,buffer,sizeof(buffer)-1);
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  cprintf("READ %i bytes\n",len);
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  cprintf("buffer='%s'\n",buffer);
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  return len;
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}
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int main(int argc,char *argv[])
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{
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  int h;
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  showmessage("Try lseek() using a file for reading.");
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  cprintf("OPENING %s\n",FILENAME);  
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  h=open(FILENAME,O_RDONLY);
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  if (h>=0) {
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    cprintf("OPENED!\n");
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    leggi(h);
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    leggi(h);
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    leggi(h);
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    cprintf("SEEK to 16\n");
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    lseek(h,16,SEEK_SET);
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    leggi(h);
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    cprintf("SEEK to %i\n",123*3+1);
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    lseek(h,123*3+1,SEEK_SET);
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    leggi(h);
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  } else
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    cprintf("FAILED!\n");
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  waitend();
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  return 0;
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}