diff options
Diffstat (limited to 'libihash/ihash.h')
| -rw-r--r-- | libihash/ihash.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libihash/ihash.h b/libihash/ihash.h index 849a55a2..128027a0 100644 --- a/libihash/ihash.h +++ b/libihash/ihash.h @@ -41,6 +41,13 @@ typedef void *hurd_ihash_value_t; #define _HURD_IHASH_EMPTY ((hurd_ihash_value_t) 0) #define _HURD_IHASH_DELETED ((hurd_ihash_value_t) -1) +/* Test if VALUE is valid. */ +static inline int +hurd_ihash_value_valid (hurd_ihash_value_t value) +{ + return value != _HURD_IHASH_EMPTY && value != _HURD_IHASH_DELETED; +} + /* The type of integer we want to use for the keys. */ typedef uintptr_t hurd_ihash_key_t; |