diff options
Diffstat (limited to 'include/hashtab.h')
| -rw-r--r-- | include/hashtab.h | 90 |
1 files changed, 44 insertions, 46 deletions
diff --git a/include/hashtab.h b/include/hashtab.h index de24ded..c75b23c 100644 --- a/include/hashtab.h +++ b/include/hashtab.h @@ -48,38 +48,38 @@ typedef unsigned int hashval_t; /* Callback function pointer types. */ /* Calculate hash of a table entry. */ -typedef hashval_t (*htab_hash) PARAMS ((const void *)); +typedef hashval_t (*htab_hash) (const void *); /* Compare a table entry with a possible entry. The entry already in the table always comes first, so the second element can be of a different type (but in this case htab_find and htab_find_slot cannot be used; instead the variants that accept a hash value must be used). */ -typedef int (*htab_eq) PARAMS ((const void *, const void *)); +typedef int (*htab_eq) (const void *, const void *); /* Cleanup function called whenever a live element is removed from the hash table. */ -typedef void (*htab_del) PARAMS ((void *)); +typedef void (*htab_del) (void *); /* Function called by htab_traverse for each live element. The first arg is the slot of the element (which can be passed to htab_clear_slot if desired), the second arg is the auxiliary pointer handed to htab_traverse. Return 1 to continue scan, 0 to stop. */ -typedef int (*htab_trav) PARAMS ((void **, void *)); +typedef int (*htab_trav) (void **, void *); /* Memory-allocation function, with the same functionality as calloc(). Iff it returns NULL, the hash table implementation will pass an error code back to the user, so if your code doesn't handle errors, best if you use xcalloc instead. */ -typedef PTR (*htab_alloc) PARAMS ((size_t, size_t)); +typedef PTR (*htab_alloc) (size_t, size_t); /* We also need a free() routine. */ -typedef void (*htab_free) PARAMS ((PTR)); +typedef void (*htab_free) (PTR); /* Memory allocation and deallocation; variants which take an extra argument. */ -typedef PTR (*htab_alloc_with_arg) PARAMS ((void *, size_t, size_t)); -typedef void (*htab_free_with_arg) PARAMS ((void *, void *)); +typedef PTR (*htab_alloc_with_arg) (void *, size_t, size_t); +typedef void (*htab_free_with_arg) (void *, void *); /* Hash tables are of the following type. The structure (implementation) of this type is not needed for using the hash @@ -139,45 +139,43 @@ enum insert_option {NO_INSERT, INSERT}; /* The prototypes of the package functions. */ -extern htab_t htab_create_alloc PARAMS ((size_t, htab_hash, - htab_eq, htab_del, - htab_alloc, htab_free)); +extern htab_t htab_create_alloc (size_t, htab_hash, + htab_eq, htab_del, + htab_alloc, htab_free); -extern htab_t htab_create_alloc_ex PARAMS ((size_t, htab_hash, - htab_eq, htab_del, - PTR, htab_alloc_with_arg, - htab_free_with_arg)); +extern htab_t htab_create_alloc_ex (size_t, htab_hash, + htab_eq, htab_del, + PTR, htab_alloc_with_arg, + htab_free_with_arg); /* Backward-compatibility functions. */ -extern htab_t htab_create PARAMS ((size_t, htab_hash, htab_eq, htab_del)); -extern htab_t htab_try_create PARAMS ((size_t, htab_hash, htab_eq, htab_del)); - -extern void htab_set_functions_ex PARAMS ((htab_t, htab_hash, - htab_eq, htab_del, - PTR, htab_alloc_with_arg, - htab_free_with_arg)); - -extern void htab_delete PARAMS ((htab_t)); -extern void htab_empty PARAMS ((htab_t)); - -extern PTR htab_find PARAMS ((htab_t, const void *)); -extern PTR *htab_find_slot PARAMS ((htab_t, const void *, - enum insert_option)); -extern PTR htab_find_with_hash PARAMS ((htab_t, const void *, - hashval_t)); -extern PTR *htab_find_slot_with_hash PARAMS ((htab_t, const void *, - hashval_t, - enum insert_option)); -extern void htab_clear_slot PARAMS ((htab_t, void **)); -extern void htab_remove_elt PARAMS ((htab_t, void *)); -extern void htab_remove_elt_with_hash PARAMS ((htab_t, void *, hashval_t)); - -extern void htab_traverse PARAMS ((htab_t, htab_trav, void *)); -extern void htab_traverse_noresize PARAMS ((htab_t, htab_trav, void *)); - -extern size_t htab_size PARAMS ((htab_t)); -extern size_t htab_elements PARAMS ((htab_t)); -extern double htab_collisions PARAMS ((htab_t)); +extern htab_t htab_create (size_t, htab_hash, htab_eq, htab_del); +extern htab_t htab_try_create (size_t, htab_hash, htab_eq, htab_del); + +extern void htab_set_functions_ex (htab_t, htab_hash, + htab_eq, htab_del, + PTR, htab_alloc_with_arg, + htab_free_with_arg); + +extern void htab_delete (htab_t); +extern void htab_empty (htab_t); + +extern PTR htab_find (htab_t, const void *); +extern PTR *htab_find_slot (htab_t, const void *, enum insert_option); +extern PTR htab_find_with_hash (htab_t, const void *, hashval_t); +extern PTR *htab_find_slot_with_hash (htab_t, const void *, + hashval_t, + enum insert_option); +extern void htab_clear_slot (htab_t, void **); +extern void htab_remove_elt (htab_t, void *); +extern void htab_remove_elt_with_hash (htab_t, void *, hashval_t); + +extern void htab_traverse (htab_t, htab_trav, void *); +extern void htab_traverse_noresize (htab_t, htab_trav, void *); + +extern size_t htab_size (htab_t); +extern size_t htab_elements (htab_t); +extern double htab_collisions (htab_t); /* A hash function for pointers. */ extern htab_hash htab_hash_pointer; @@ -186,10 +184,10 @@ extern htab_hash htab_hash_pointer; extern htab_eq htab_eq_pointer; /* A hash function for null-terminated strings. */ -extern hashval_t htab_hash_string PARAMS ((const PTR)); +extern hashval_t htab_hash_string (const PTR); /* An iterative hash function for arbitrary data. */ -extern hashval_t iterative_hash PARAMS ((const PTR, size_t, hashval_t)); +extern hashval_t iterative_hash (const PTR, size_t, hashval_t); /* Shorthand for hashing something with an intrinsic size. */ #define iterative_hash_object(OB,INIT) iterative_hash (&OB, sizeof (OB), INIT) |