diff options
Diffstat (limited to 'src/common/util.cpp')
| -rw-r--r-- | src/common/util.cpp | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/src/common/util.cpp b/src/common/util.cpp index b4f3360ef..ea117dff3 100644 --- a/src/common/util.cpp +++ b/src/common/util.cpp @@ -121,7 +121,7 @@ namespace tools private_file::private_file(std::FILE* handle, std::string&& filename) noexcept : m_handle(handle), m_filename(std::move(filename)) {} - private_file private_file::create(std::string name) + private_file private_file::create(std::string name, uint32_t extra_flags) { #ifdef WIN32 struct close_handle @@ -174,7 +174,7 @@ namespace tools name.c_str(), GENERIC_WRITE, FILE_SHARE_READ, std::addressof(attributes), - CREATE_NEW, (FILE_ATTRIBUTE_TEMPORARY | FILE_FLAG_DELETE_ON_CLOSE), + CREATE_NEW, (FILE_ATTRIBUTE_TEMPORARY | FILE_FLAG_DELETE_ON_CLOSE | extra_flags), nullptr ) }; @@ -193,7 +193,7 @@ namespace tools } } #else - const int fdr = open(name.c_str(), (O_RDONLY | O_CREAT), S_IRUSR); + const int fdr = open(name.c_str(), (O_RDONLY | O_CREAT | extra_flags), S_IRUSR); if (0 <= fdr) { struct stat rstats = {}; @@ -224,6 +224,23 @@ namespace tools return {}; } + private_file private_file::drop_and_recreate(std::string filename) + { + if (epee::file_io_utils::is_file_exist(filename)) { + boost::system::error_code ec{}; + boost::filesystem::remove(filename, ec); + if (ec) { + MERROR("Failed to remove " << filename << ": " << ec.message()); + return {}; + } + } +#ifdef WIN32 + return create(filename); +#else + return create(filename, O_EXCL); +#endif + } + private_file::~private_file() noexcept { try |