Feature/osx

example/example_util.cc

@@ -62,7 +62,7 @@ bool GetFileMetadata(const string& path, FileMetaData* metadata) {
   }
 
   uint32_t metadata_len = *reinterpret_cast<uint32_t*>(footer_buffer);
-  size_t metadata_start = file_len - FOOTER_SIZE - metadata_len;
+  int64_t metadata_start = file_len - FOOTER_SIZE - metadata_len;
   if (metadata_start < 0) {
     cerr << "Invalid parquet file. File is less than file metadata size." << endl;
     return false;

example/parquet_reader.cc

@@ -261,7 +261,7 @@ void* read_parquet(char* filename) {
             printf("%-"COL_WIDTH"d",((int32_t *)(((int32_t **)column_ptr)[j]))[k]);
             break;
           case Type::INT64:
-            printf("%-"COL_WIDTH"ld",((int64_t *)(((int64_t **)column_ptr)[j]))[k]);
+            printf("%-"COL_WIDTH"lld",((int64_t *)(((int64_t **)column_ptr)[j]))[k]);
             break;
           case Type::FLOAT:
             printf("%-"COL_WIDTH"f",((float*)(((float**)column_ptr)[j]))[k]);

src/parquet.cc

@@ -56,7 +56,7 @@ ColumnReader::ColumnReader(const ColumnMetaData* metadata,
     num_buffered_values_(0),
     num_decoded_values_(0),
     buffered_values_offset_(0) {
-  int value_byte_size;
+  int value_byte_size = 0;
   switch (metadata->type) {
     case parquet::Type::BOOLEAN:
       value_byte_size = 1;