diff options
Diffstat (limited to 'storage/innobase/include/fsp0file.h')
| -rw-r--r-- | storage/innobase/include/fsp0file.h | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/storage/innobase/include/fsp0file.h b/storage/innobase/include/fsp0file.h index 794d44373e8..ec1ba699502 100644 --- a/storage/innobase/include/fsp0file.h +++ b/storage/innobase/include/fsp0file.h @@ -27,12 +27,9 @@ Created 2013-7-26 by Kevin Lewis #ifndef fsp0file_h #define fsp0file_h -#include "ha_prototypes.h" -#include "log0log.h" #include "mem0mem.h" #include "os0file.h" -#include "fil0crypt.h" -#include <vector> +#include "fil0fil.h" /** Types of raw partitions in innodb_data_file_path */ enum device_t { @@ -317,6 +314,25 @@ public: return(m_last_os_error); } + /** Check whether the file is empty. + @return true if file is empty */ + bool is_empty_file() const + { +#ifdef _WIN32 + os_offset_t offset = + (os_offset_t) m_file_info.nFileSizeLow + | ((os_offset_t) m_file_info.nFileSizeHigh << 32); + + return (offset == 0); +#else + return (m_file_info.st_size == 0); +#endif + } + + /** Check if the file exist. + @return true if file exists. */ + bool exists() const { return m_exists; } + /** Test if the filepath provided looks the same as this filepath by string comparison. If they are two different paths to the same file, same_as() will be used to show that after the files are opened. |