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fix

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This commit is contained in:
proller 2019-07-15 20:44:03 +03:00
parent 8caf119e53
commit f8d710dd84
2 changed files with 6 additions and 0 deletions
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3
dbms/src/IO/ReadBufferAIO.cpp
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@ -254,9 +254,12 @@ void ReadBufferAIO::prepare()
/// Region of the disk from which we want to read data.
const off_t region_begin = first_unread_pos_in_file;
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wsign-compare"
if ((requested_byte_count > std::numeric_limits<off_t>::max()) ||
(first_unread_pos_in_file > (std::numeric_limits<off_t>::max() - static_cast<off_t>(requested_byte_count))))
throw Exception("An overflow occurred during file operation", ErrorCodes::LOGICAL_ERROR);
#pragma GCC diagnostic pop
const off_t region_end = first_unread_pos_in_file + requested_byte_count;

3
dbms/src/IO/WriteBufferAIO.cpp
View File

@ -274,9 +274,12 @@ void WriteBufferAIO::prepare()
/// Region of the disk in which we want to write data.
const off_t region_begin = pos_in_file;
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wsign-compare"
if ((flush_buffer.offset() > std::numeric_limits<off_t>::max()) ||
(pos_in_file > (std::numeric_limits<off_t>::max() - static_cast<off_t>(flush_buffer.offset()))))
throw Exception("An overflow occurred during file operation", ErrorCodes::LOGICAL_ERROR);
#pragma GCC diagnostic pop
const off_t region_end = pos_in_file + flush_buffer.offset();
const size_t region_size = region_end - region_begin;