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- minor: hash_insert returns an error in case of memory allocation failure

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This commit is contained in:
Gilad Arnold 2005-02-03 20:40:31 +00:00
parent c3229723ab
commit 570dc16f70
2 changed files with 10 additions and 3 deletions
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11
src/pobj/hash.c
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@ -82,21 +82,28 @@ hash_lookup (struct hash_table *h, unsigned long key)
return 0;
}
void
int
hash_insert (struct hash_table *h, unsigned long key, unsigned long val)
{
unsigned long bucket_mask = h->bucket_mask;
int bucket_index = (int) (key & bucket_mask);
struct hash_item *new;
new = (struct hash_item *) XMALLOC (sizeof (struct hash_item));
if (! new) {
debug ("allocation failed");
return -1;
}
debug ("inserting %lu->%lu (%p->%p) to bucket %d",
key, val, (void *) key, (void *) val, bucket_index);
new = (struct hash_item *) XMALLOC (sizeof (struct hash_item));
new->key = key;
new->val = val;
new->next = h->table[bucket_index];
h->table[bucket_index] = new;
return 0;
}
unsigned long

2
src/pobj/hash.h
View file

@ -6,7 +6,7 @@ struct hash_table;
struct hash_table *hash_new (int);
void hash_free (struct hash_table *);
unsigned long hash_lookup (struct hash_table *, unsigned long);
void hash_insert (struct hash_table *, unsigned long, unsigned long);
int hash_insert (struct hash_table *, unsigned long, unsigned long);
unsigned long hash_delete (struct hash_table *, unsigned long);
#endif /* __HASH_H */