GGLinnk/bees
1
0
Fork 0
mirror of https://github.com/Zygo/bees.git synced 2025-06-16 17:46:16 +02:00
Code Packages Activity

fs: deprecate vector<char>

Browse Source 
Use uint8_t when we mean uint8_t, i.e. vector<uint8_t> instead of
vector<char>.

Add a template parameter instead of vector so we can swap in a
non-copying data type.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
This commit is contained in:
Zygo Blaxell
2020-11-04 21:02:37 -05:00
parent 180bb60cde
commit f45e379802
3 changed files with 29 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
include/crucible/fs.h
View File

@ -61,7 +61,7 @@ namespace crucible {
decltype(elem_cnt) get_elem_cnt() const;
decltype(elem_missed) get_elem_missed() const;
vector<char> m_data;
vector<uint8_t> m_data;
};
struct BtrfsIoctlLogicalInoArgs : public btrfs_ioctl_logical_ino_args {
@ -164,8 +164,8 @@ namespace crucible {
struct BtrfsIoctlSearchHeader : public btrfs_ioctl_search_header {
BtrfsIoctlSearchHeader();
vector<char> m_data;
size_t set_data(const vector<char> &v, size_t offset);
vector<uint8_t> m_data;
size_t set_data(const vector<uint8_t> &v, size_t offset);
bool operator<(const BtrfsIoctlSearchHeader &that) const;
};
@ -200,9 +200,9 @@ namespace crucible {
uint64_t btrfs_get_root_id(int fd);
uint64_t btrfs_get_root_transid(int fd);
template<class T>
template<class T, class V>
const T*
get_struct_ptr(vector<char> &v, size_t offset = 0)
get_struct_ptr(const V &v, size_t offset = 0)
{
// OK so sometimes btrfs overshoots a little
if (offset + sizeof(T) > v.size()) {
@ -212,11 +212,11 @@ namespace crucible {
return reinterpret_cast<const T*>(v.data() + offset);
}
template<class A, class R>
template<class A, class R, class V>
R
call_btrfs_get(R (*func)(const A*), vector<char> &v, size_t offset = 0)
call_btrfs_get(R (*func)(const A*), const V &v, size_t offset = 0)
{
return func(get_struct_ptr<A>(v, offset));
return func(get_struct_ptr<A, V>(v, offset));
}
template <class T> struct btrfs_get_le;
@ -237,13 +237,13 @@ namespace crucible {
uint8_t operator()(const void *p) { return get_unaligned_le8(p); }
};
template<class S, class T>
template<class S, class T, class V>
T
btrfs_get_member(T S::* member, vector<char> &v, size_t offset = 0)
btrfs_get_member(T S::* member, V &v, size_t offset = 0)
{
const S *sp = reinterpret_cast<const S*>(NULL);
const T *spm = &(sp->*member);
auto member_offset = reinterpret_cast<const char *>(spm) - reinterpret_cast<const char *>(sp);
const S *const sp = nullptr;
const T *const spm = &(sp->*member);
auto member_offset = reinterpret_cast<const uint8_t *>(spm) - reinterpret_cast<const uint8_t *>(sp);
return btrfs_get_le<T>()(get_struct_ptr<S>(v, offset + member_offset));
}
@ -256,7 +256,7 @@ namespace crucible {
unsigned long available() const;
};
ostream &hexdump(ostream &os, const vector<char> &v);
template<class V> ostream &hexdump(ostream &os, const V &v);
struct BtrfsIoctlFsInfoArgs : public btrfs_ioctl_fs_info_args_v2 {
BtrfsIoctlFsInfoArgs();