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fs: fix FTBFS on GCC 8

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The memset is just doing an assignment from one dereferenced pointer to
another, so do an assignment to keep GCC 8 happy.

Fixes: https://github.com/Zygo/bees/issues/64

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
This commit is contained in:
Zygo Blaxell
2018-05-18 00:15:37 -04:00
parent c21518d8ff
commit e9aef89293
1 changed files with 1 additions and 1 deletions
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2
lib/fs.cc
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@@ -701,7 +701,7 @@ namespace crucible {
BtrfsIoctlSearchHeader::set_data(const vector<char> &v, size_t offset) BtrfsIoctlSearchHeader::set_data(const vector<char> &v, size_t offset)
{ {
THROW_CHECK2(invalid_argument, offset, v.size(), offset + sizeof(btrfs_ioctl_search_header) <= v.size()); THROW_CHECK2(invalid_argument, offset, v.size(), offset + sizeof(btrfs_ioctl_search_header) <= v.size());
memcpy(this, &v[offset], sizeof(btrfs_ioctl_search_header)); *static_cast<btrfs_ioctl_search_header *>(this) = *reinterpret_cast<const btrfs_ioctl_search_header *>(&v[offset]);
offset += sizeof(btrfs_ioctl_search_header); offset += sizeof(btrfs_ioctl_search_header);
THROW_CHECK2(invalid_argument, offset + len, v.size(), offset + len <= v.size()); THROW_CHECK2(invalid_argument, offset + len, v.size(), offset + len <= v.size());
m_data = vector<char>(&v[offset], &v[offset + len]); m_data = vector<char>(&v[offset], &v[offset + len]);