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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2023-08-19 20:47:43 +0200 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2023-08-19 20:47:43 +0200 |
| commit | 34ef189a92e353392ae5f41718b0ae2ff8fbf5a1 (patch) | |
| tree | fb69444f8f89d0ded097d19e0da5185fbd47aa61 /src/Platform | |
| parent | 9d8afdad9342c3e06e796c6b02eadb7f12cb6611 (diff) | |
| download | VeraCrypt-34ef189a92e353392ae5f41718b0ae2ff8fbf5a1.tar.gz VeraCrypt-34ef189a92e353392ae5f41718b0ae2ff8fbf5a1.zip | |
Linux: try use IOCTL BLKGETSIZE64 to get size of device instead of lseek
Diffstat (limited to 'src/Platform')
| -rw-r--r-- | src/Platform/Unix/File.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/Platform/Unix/File.cpp b/src/Platform/Unix/File.cpp index d3413800..207efb4e 100644 --- a/src/Platform/Unix/File.cpp +++ b/src/Platform/Unix/File.cpp @@ -222,6 +222,17 @@ namespace VeraCrypt # endif } #endif +#ifdef TC_LINUX + // On Linux, try to use BLKGETSIZE64 for devices + if (Path.IsDevice()) + { + uint64 mediaSize; + if (ioctl (FileHandle, BLKGETSIZE64, &mediaSize) != -1) + { + return mediaSize; + } + } +#endif off_t current = lseek (FileHandle, 0, SEEK_CUR); throw_sys_sub_if (current == -1, wstring (Path)); SeekEnd (0); |