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Linux: try use IOCTL BLKGETSIZE64 to get size of device instead of lseek

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This commit is contained in:
Mounir IDRASSI
2023-08-19 20:47:43 +02:00
parent 9d8afdad93
commit 34ef189a92
1 changed files with 11 additions and 0 deletions
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11
src/Platform/Unix/File.cpp
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@@ -221,6 +221,17 @@ namespace VeraCrypt
return mediaSize; return mediaSize;
# endif # 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 #endif
off_t current = lseek (FileHandle, 0, SEEK_CUR); off_t current = lseek (FileHandle, 0, SEEK_CUR);
throw_sys_sub_if (current == -1, wstring (Path)); throw_sys_sub_if (current == -1, wstring (Path));