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| author | Zack Weinberg <zack@wolery.cumb.org> | 2000-03-10 00:00:24 +0000 |
|---|---|---|
| committer | Zack Weinberg <zack@gcc.gnu.org> | 2000-03-10 00:00:24 +0000 |
| commit | 5dc9cffdfd6fb65d46193fe95b3f6ecea1242b7d (patch) | |
| tree | 1c8555764b859bc239b43c7b7d97a90239ceeb2a /include | |
| parent | aa77ac5f237e2b0a646631ec7088b8c7bdd14fd3 (diff) | |
| download | gcc-5dc9cffdfd6fb65d46193fe95b3f6ecea1242b7d.zip gcc-5dc9cffdfd6fb65d46193fe95b3f6ecea1242b7d.tar.gz gcc-5dc9cffdfd6fb65d46193fe95b3f6ecea1242b7d.tar.bz2 | |
hashtab.h (struct htab): Add del_f.
* hashtab.h (struct htab): Add del_f.
(htab_del): New type.
(htab_create): Add fourth argument.
* hashtab.c (htab_create): Set del_f.
(htab_delete, htab_empty, htab_remove_elt, htab_clear_slot):
Use it.
From-SVN: r32459
Diffstat (limited to 'include')
| -rw-r--r-- | include/ChangeLog | 6 | ||||
| -rw-r--r-- | include/hashtab.h | 14 |
2 files changed, 17 insertions, 3 deletions
diff --git a/include/ChangeLog b/include/ChangeLog index 5ab66bc..a73e5fe 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,9 @@ +2000-03-09 Zack Weinberg <zack@wolery.cumb.org> + + * hashtab.h (struct htab): Add del_f. + (htab_del): New type. + (htab_create): Add fourth argument. + 2000-03-08 Zack Weinberg <zack@wolery.cumb.org> * hashtab.h (hash_table_t): Rename to htab_t. diff --git a/include/hashtab.h b/include/hashtab.h index f17572a..e6e38e4 100644 --- a/include/hashtab.h +++ b/include/hashtab.h @@ -47,6 +47,10 @@ typedef unsigned int (*htab_hash) PARAMS ((const void *)); the table always comes first. */ typedef int (*htab_eq) PARAMS ((const void *, const void *)); +/* Cleanup function called whenever a live element is removed from + the hash table. */ +typedef void (*htab_del) PARAMS ((void *)); + /* Function called by htab_traverse for each live element. The first arg is the element, the second arg is the auxiliary pointer handed to htab_traverse. Return 1 to continue scan, 0 to stop. */ @@ -62,10 +66,13 @@ struct htab /* Pointer to hash function. */ htab_hash hash_f; - /* Pointer to comparison function. */ + /* Pointer to comparison function. */ htab_eq eq_f; - /* Table itself */ + /* Pointer to cleanup function. */ + htab_del del_f; + + /* Table itself. */ void **entries; /* Current size (in entries) of the hash table */ @@ -90,7 +97,8 @@ typedef struct htab *htab_t; /* The prototypes of the package functions. */ -extern htab_t htab_create PARAMS ((size_t, htab_hash, htab_eq)); +extern htab_t htab_create PARAMS ((size_t, htab_hash, + htab_eq, htab_del)); extern void htab_delete PARAMS ((htab_t)); extern void htab_empty PARAMS ((htab_t)); |