X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fhash.c;h=802a34ed4c803bf8d7095e5d76489e3a2501bea5;hb=702f288a1c0d2053385edfe9a47ed0e184a9f1fe;hp=b07e3e1753e007a7ab1effcc5d9e4d2e936d5a80;hpb=92065733b4a3d2b834da799309dbb2730d9cc5e4;p=gnulib.git diff --git a/lib/hash.c b/lib/hash.c index b07e3e175..802a34ed4 100644 --- a/lib/hash.c +++ b/lib/hash.c @@ -1,5 +1,5 @@ /* hash - hashing table processing. - Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc. + Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc. Written by Jim Meyering, 1992. This program is free software; you can redistribute it and/or modify @@ -36,14 +36,14 @@ typedef enum {false = 0, true = 1} bool; #include #ifndef HAVE_DECL_FREE -'this configure-time declaration test was not run' +"this configure-time declaration test was not run" #endif #if !HAVE_DECL_FREE void free (); #endif #ifndef HAVE_DECL_MALLOC -'this configure-time declaration test was not run' +"this configure-time declaration test was not run" #endif #if !HAVE_DECL_MALLOC char *malloc (); @@ -263,11 +263,12 @@ hash_get_first (const Hash_table *table) return bucket->data; assert (0); + return NULL; } /* Return the user data for the entry following ENTRY, where ENTRY has been returned by a previous call to either `hash_get_first' or `hash_get_next'. - Return NULL if there is no more entries. */ + Return NULL if there are no more entries. */ void * hash_get_next (const Hash_table *table, const void *entry) @@ -284,7 +285,7 @@ hash_get_next (const Hash_table *table, const void *entry) return cursor->next->data; /* Find first entry in any subsequent bucket. */ - for (; bucket < table->bucket_limit; bucket++) + while (++bucket < table->bucket_limit) if (bucket->data) return bucket->data; @@ -422,7 +423,7 @@ is_prime (unsigned long candidate) divisor++; } - return candidate % divisor != 0; + return (candidate % divisor ? true : false); } /* Round a given CANDIDATE number up to the nearest prime, and return that @@ -723,7 +724,7 @@ hash_find_entry (Hash_table *table, const void *entry, if (bucket->data == NULL) return NULL; - /* Check if then entry is found as the bucket head. */ + /* See if the entry is the first in the bucket. */ if ((*table->comparator) (entry, bucket->data)) { void *data = bucket->data; @@ -854,6 +855,7 @@ hash_rehash (Hash_table *table, unsigned candidate) table->bucket_limit = new_table->bucket_limit; table->n_buckets = new_table->n_buckets; table->n_buckets_used = new_table->n_buckets_used; + table->free_entry_list = new_table->free_entry_list; /* table->n_entries already holds its value. */ #if USE_OBSTACK table->entry_stack = new_table->entry_stack; @@ -943,7 +945,8 @@ hash_delete (Hash_table *table, const void *entry) void *data; struct hash_entry *bucket; - if (data = hash_find_entry (table, entry, &bucket, true), !data) + data = hash_find_entry (table, entry, &bucket, true); + if (!data) return NULL; table->n_entries--;