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Fix style and add check for seekability

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This commit is contained in:
BoloniniD 2021-07-07 12:38:22 +03:00
parent cb975e6d4a
commit 0f584c3e76
1 changed files with 7 additions and 1 deletions
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8
src/Storages/StorageFile.cpp
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@ -502,7 +502,13 @@ Pipe StorageFile::read(
{
if (S_ISREG(this_ptr->table_fd))
{
if (lseek(this_ptr->table_fd, this_ptr->table_fd_init_offset, SEEK_SET) < 0) {
if (this_ptr->table_fd_init_offset < 0)
{
throw Exception("File descriptor isn't seekable, inside " + this_ptr->getName(), ErrorCodes::CANNOT_SEEK_THROUGH_FILE);
}
int seekable_table_fd = dup(this_ptr->table_fd);
if (lseek(seekable_table_fd, this_ptr->table_fd_init_offset, SEEK_SET) < 0)
{
throw Exception("File descriptor isn't seekable, inside " + this_ptr->getName(), ErrorCodes::CANNOT_SEEK_THROUGH_FILE);
}
}