Exemplos de extract_byte em C++ (Cpp)

Exemplo n.º 1

Arquivo: main.c Projeto: msskmlrn/C

int main(int argc, char** argv) {
    
    FILE *fptr;
    int test;
    unsigned char * buffer;
    
    if ((fptr = fopen("whoa.bmp","r")) == NULL) {
	printf ("Can't open file for reading.\n");
        return 1;
    }
    
    //read_lsb(fptr);
    //extract_byte(fptr);
    //read_uint32(fptr);
    
    test = read_pixel_offset(fptr);
    fseek (fptr, test, SEEK_SET);
    
    while (1) {
        test = extract_byte(fptr);
        if (test == '00000000') 
            break;
        printf("%c", test);
    }
    
    fclose(fptr);
    
    return (EXIT_SUCCESS);
}

Exemplo n.º 2

Arquivo: rpc_debmod.cpp Projeto: nihilus/ida_objectivec_plugins

//--------------------------------------------------------------------------
int idaapi rpc_debmod_t::dbg_update_bpts(update_bpt_info_t *ubpts, int nadd, int ndel)
{
  int skipped = 0;
  update_bpt_info_t *b;
  update_bpt_info_t *bend = ubpts + nadd;
  for ( b=ubpts; b != bend; b++ )
    if ( b->code != BPT_OK )
      skipped++;
  if ( skipped == nadd && ndel == 0 )
    return 0; // no bpts to update

  bytevec_t req = prepare_rpc_packet(RPC_UPDATE_BPTS);
  append_dd(req, nadd-skipped);
  append_dd(req, ndel);
  ea_t ea = 0;
  for ( b=ubpts; b != bend; b++ )
  {
    if ( b->code == BPT_OK )
    {
      append_ea64(req, b->ea-ea); ea = b->ea;
      append_dd(req, b->size);
      append_dd(req, b->type);
    }
  }

  ea = 0;
  bend += ndel;
  for ( ; b != bend; b++ )
  {
    append_ea64(req, b->ea-ea); ea = b->ea;
    append_db(req, b->orgbytes.size());
    append_memory(req, b->orgbytes.begin(), b->orgbytes.size());
    append_dd(req, b->type);
  }

  rpc_packet_t *rp = process_request(req);
  if ( rp == NULL )
    return -1;

  const uchar *ptr = (uchar *)(rp+1);
  const uchar *end = ptr + rp->length;

  int ret = extract_long(&ptr, end);
  bend = ubpts + nadd;
  for ( b=ubpts; b != bend; b++ )
  {
    if ( b->code == BPT_OK )
    {
      b->code = extract_byte(&ptr, end);
      if ( b->code == BPT_OK && b->type == BPT_SOFT )
      {
        uchar len = extract_byte(&ptr, end);
        b->orgbytes.resize(len);
        extract_memory(&ptr, end, b->orgbytes.begin(), len);
      }
    }
  }

  bend += ndel;
  for ( ; b != bend; b++ )
    b->code = extract_byte(&ptr, end);

  return ret;
}