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Add a note to the g_str_hash docs

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Point out some shortcomings of the djb hash, as found in

https://bugzilla.gnome.org/show_bug.cgi?id=751610
This commit is contained in:
Matthias Clasen 2015-07-27 06:51:17 -04:00
parent a80e7db1a8
commit 17871e6881
1 changed files with 4 additions and 0 deletions
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glib/ghash.c
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@ -1860,6 +1860,10 @@ g_str_equal (gconstpointer v1,
* It can be passed to g_hash_table_new() as the @hash_func parameter, * It can be passed to g_hash_table_new() as the @hash_func parameter,
* when using non-%NULL strings as keys in a #GHashTable. * when using non-%NULL strings as keys in a #GHashTable.
* *
* Note that this function may not be a perfect fit for all use cases.
* For example, it produces some hash collisions with strings as short
* as 2.
*
* Returns: a hash value corresponding to the key * Returns: a hash value corresponding to the key
*/ */
guint guint