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| author | Alasdair Kergon <agk@redhat.com> | 2003-04-15 13:24:42 +0000 |
|---|---|---|
| committer | Alasdair Kergon <agk@redhat.com> | 2003-04-15 13:24:42 +0000 |
| commit | b896caa19bf99db0e6c78a0f15aa8c149e858e1e (patch) | |
| tree | 48017d3585e8c9dc231911a217064ebeb6e9f051 /libdm/datastruct | |
| parent | 5beb6fab74b82248bd63318eff47392b9be9b13d (diff) | |
| download | lvm2-b896caa19bf99db0e6c78a0f15aa8c149e858e1e.tar.gz lvm2-b896caa19bf99db0e6c78a0f15aa8c149e858e1e.tar.xz lvm2-b896caa19bf99db0e6c78a0f15aa8c149e858e1e.zip | |
Improve build robustness.
Diffstat (limited to 'libdm/datastruct')
| -rw-r--r-- | libdm/datastruct/list.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/libdm/datastruct/list.h b/libdm/datastruct/list.h index 0c6ca405..3084e88b 100644 --- a/libdm/datastruct/list.h +++ b/libdm/datastruct/list.h @@ -76,8 +76,11 @@ static inline unsigned int list_size(const struct list *head) #define list_item(v, t) \ ((t *)((uintptr_t)(v) - (uintptr_t)&((t *) 0)->list)) -/* Given a known element in a known structure, locate the struct list */ -#define list_head(v, t, e) \ - (((t *)((uintptr_t)(v) - (uintptr_t)&((t *) 0)->e))->list) +/* Given a known element in a known structure, locate another */ +#define struct_field(v, t, e, f) \ + (((t *)((uintptr_t)(v) - (uintptr_t)&((t *) 0)->e))->f) + +/* Given a known element in a known structure, locate the list head */ +#define list_head(v, t, e) struct_field(v, t, e, list) #endif |