remove "using namespace std" from headers

It's nasty, and actually breaks on Solaris, where if.h fails to
build due to:

  struct map *if_memmap;

3 files changed, 5 insertions, 5 deletions

diff --git a/src/blockchain_utilities/blockchain_import.cpp b/src/blockchain_utilities/blockchain_import.cpp
index 2a956dbdb..2153383bb 100644
--- a/src/blockchain_utilities/blockchain_import.cpp
+++ b/src/blockchain_utilities/blockchain_import.cpp
@@ -256,7 +256,7 @@ int import_from_file(cryptonote::core& core, const std::string& import_file_path
 
   seek_height = start_height;
   BootstrapFile bootstrap;
-  streampos pos;
+  std::streampos pos;
   // BootstrapFile bootstrap(import_file_path);
   uint64_t total_source_blocks = bootstrap.count_blocks(import_file_path, pos, seek_height);
   MINFO("bootstrap file last block number: " << total_source_blocks-1 << " (zero-based height)  total blocks: " << total_source_blocks);
diff --git a/src/blockchain_utilities/bootstrap_file.cpp b/src/blockchain_utilities/bootstrap_file.cpp
index a004d3547..2c993460a 100644
--- a/src/blockchain_utilities/bootstrap_file.cpp
+++ b/src/blockchain_utilities/bootstrap_file.cpp
@@ -221,7 +221,7 @@ void BootstrapFile::write_block(block& block)
   // now add all regular transactions
   for (const auto& tx_id : block.tx_hashes)
   {
-    if (tx_id == null_hash)
+    if (tx_id == crypto::null_hash)
     {
       throw std::runtime_error("Aborting: tx == null_hash");
     }
@@ -433,7 +433,7 @@ uint64_t BootstrapFile::count_bytes(std::ifstream& import_file, uint64_t blocks,
 
 uint64_t BootstrapFile::count_blocks(const std::string& import_file_path)
 {
-  streampos dummy_pos;
+  std::streampos dummy_pos;
   uint64_t dummy_height = 0;
   return count_blocks(import_file_path, dummy_pos, dummy_height);
 }
@@ -441,7 +441,7 @@ uint64_t BootstrapFile::count_blocks(const std::string& import_file_path)
 // If seek_height is non-zero on entry, return a stream position <= this height when finished.
 // And return the actual height corresponding to this position. Allows the caller to locate its
 // starting position without having to reread the entire file again.
-uint64_t BootstrapFile::count_blocks(const std::string& import_file_path, streampos &start_pos, uint64_t& seek_height)
+uint64_t BootstrapFile::count_blocks(const std::string& import_file_path, std::streampos &start_pos, uint64_t& seek_height)
 {
   boost::filesystem::path raw_file_path(import_file_path);
   boost::system::error_code ec;
diff --git a/src/blockchain_utilities/bootstrap_file.h b/src/blockchain_utilities/bootstrap_file.h
index c3969a357..0926ee2e5 100644
--- a/src/blockchain_utilities/bootstrap_file.h
+++ b/src/blockchain_utilities/bootstrap_file.h
@@ -57,7 +57,7 @@ class BootstrapFile
 public:
 
   uint64_t count_bytes(std::ifstream& import_file, uint64_t blocks, uint64_t& h, bool& quit);
-  uint64_t count_blocks(const std::string& dir_path, streampos& start_pos, uint64_t& seek_height);
+  uint64_t count_blocks(const std::string& dir_path, std::streampos& start_pos, uint64_t& seek_height);
   uint64_t count_blocks(const std::string& dir_path);
   uint64_t seek_to_first_chunk(std::ifstream& import_file);