remove ceph code

[stor4nfv.git] / src / ceph / src / common / PrebufferedStreambuf.cc

diff --git a/src/ceph/src/common/PrebufferedStreambuf.cc b/src/ceph/src/common/PrebufferedStreambuf.cc
deleted file mode 100644 (file)
index fe27ef5..0000000
--- a/src/ceph/src/common/PrebufferedStreambuf.cc
+++ /dev/null
@@ -1,102 +0,0 @@
-
-#include "common/PrebufferedStreambuf.h"
-#include <string.h>
-PrebufferedStreambuf::PrebufferedStreambuf(char *buf, size_t len)
-  : m_buf(buf), m_buf_len(len)
-{
-  // init output buffer
-  this->setp(m_buf, m_buf + m_buf_len);
-
-  // so we underflow on first read
-  this->setg(0, 0, 0);
-}
-
-PrebufferedStreambuf::int_type PrebufferedStreambuf::overflow(int_type c)
-{
-  int old_len = m_overflow.size();
-  if (old_len == 0) {
-    m_overflow.resize(80);
-  } else {
-    m_overflow.resize(old_len * 2);
-  }
-  m_overflow[old_len] = c;
-  this->setp(&m_overflow[old_len + 1], &*m_overflow.begin() + m_overflow.size());
-  return std::char_traits<char>::not_eof(c);
-}
-
-PrebufferedStreambuf::int_type PrebufferedStreambuf::underflow()
-{
-  if (this->gptr() == 0) {
-    // first read; start with the static buffer
-    if (m_overflow.size())
-      // there is overflow, so start with entire prealloc buffer
-      this->setg(m_buf, m_buf, m_buf + m_buf_len);
-    else if (this->pptr() == m_buf)
-      // m_buf is empty
-      return traits_ty::eof();  // no data
-    else
-      // set up portion of m_buf we've filled
-      this->setg(m_buf, m_buf, this->pptr());
-    return *this->gptr();
-  }
-  if (this->gptr() == m_buf + m_buf_len && m_overflow.size()) {
-    // at end of m_buf; continue with the overflow string
-    this->setg(&m_overflow[0], &m_overflow[0], this->pptr());
-    return *this->gptr();
-  }
-
-  // otherwise we must be at the end (of m_buf and/or m_overflow)
-  return traits_ty::eof();
-}
-
-std::string PrebufferedStreambuf::get_str() const
-{
-  if (m_overflow.size()) {
-    std::string s(m_buf, m_buf + m_buf_len);
-    s.append(&m_overflow[0], this->pptr() - &m_overflow[0]);
-    return s;
-  } else if (this->pptr() == m_buf) {
-    return std::string();
-  } else {
-    return std::string(m_buf, this->pptr() - m_buf);
-  }  
-}
-// returns current size of content
-size_t PrebufferedStreambuf::size() const
-{
-  if (m_overflow.size() == 0) {
-    return this->pptr() - m_buf;
-  } else {
-    return m_buf_len + this->pptr() - &m_overflow[0];
-  }
-}
-
-// extracts up to avail chars of content
-int PrebufferedStreambuf::snprintf(char* dst, size_t avail) const
-{
-  size_t o_size = m_overflow.size();
-  size_t len_a;
-  size_t len_b;
-  if (o_size>0) {
-    len_a = m_buf_len;
-    len_b = this->pptr() - &m_overflow[0];
-  } else {
-    len_a = this->pptr() - m_buf;
-    len_b = 0;
-  }
-  if (avail > len_a + len_b) {
-    memcpy(dst, m_buf, len_a);
-    memcpy(dst + m_buf_len, m_overflow.c_str(), len_b);
-    dst[len_a + len_b] = 0;
-  } else {
-    if (avail > len_a) {
-      memcpy(dst, m_buf, len_a);
-      memcpy(dst + m_buf_len, m_overflow.c_str(), avail - len_a - 1);
-      dst[avail - 1] = 0;
-    } else {
-      memcpy(dst, m_buf, avail - 1);
-      dst[avail - 1] = 0;
-    }
-  }
-  return len_a + len_b;
-}