#include "uint32.h"

#include "fmt.h"

#include "buffer.h"

#include "strerr.h"

#define FATAL "cdbdump: fatal: "

void die_write(void)

{

  strerr_die2sys(111,FATAL,"unable to write output: ");

}

void put(char *buf,unsigned int len)

{

  if (buffer_put(buffer_1,buf,len) == -1) die_write();

}

void putflush(void)

{

  if (buffer_flush(buffer_1) == -1) die_write();

}

uint32 pos = 0;

void get(char *buf,unsigned int len)

{

  int r;

  while (len > 0) {

    r = buffer_get(buffer_0,buf,len);

    if (r == -1)

      strerr_die2sys(111,FATAL,"unable to read input: ");

    if (r == 0)

      strerr_die2x(111,FATAL,"unable to read input: truncated file");

    pos += r;

    buf += r;

    len -= r;

  }

}

char buf[512];

void copy(uint32 len)

{

  unsigned int x;

  while (len) {

    x = sizeof buf;

    if (len < x) x = len;

    get(buf,x);

    put(buf,x);

    len -= x;

  }

}

void getnum(uint32 *num)

{

  get(buf,4);

  uint32_unpack(buf,num);

}

char strnum[FMT_ULONG];

main()

{

  uint32 eod;

  uint32 klen;

  uint32 dlen;

  getnum(&eod);

  while (pos < 2048) getnum(&dlen);

  while (pos < eod) {

    getnum(&klen);

    getnum(&dlen);

    put("+",1); put(strnum,fmt_ulong(strnum,klen));

    put(",",1); put(strnum,fmt_ulong(strnum,dlen));

    put(":",1); copy(klen);

    put("->",2); copy(dlen);

    put("\n",1);

  }

  put("\n",1);

  putflush();

  _exit(0);

}