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authorLibravatar Elijah Newren <newren@gmail.com>2020-11-02 18:55:03 +0000
committerLibravatar Junio C Hamano <gitster@pobox.com>2020-11-02 12:15:50 -0800
commitb7879b0ba6ee1306a42227f7fd7f4e5f50409184 (patch)
tree32f328d974b2a59154e062edacda2158935d1fd7 /Documentation/git-am.txt
parenthashmap: adjust spacing to fix argument alignment (diff)
downloadtgif-b7879b0ba6ee1306a42227f7fd7f4e5f50409184.tar.xz
hashmap: allow re-use after hashmap_free()
Previously, once map->table had been freed, any calls to hashmap_put(), hashmap_get(), or hashmap_remove() would cause a NULL pointer dereference (since hashmap_free_() also zeros the memory; without that zeroing, calling these functions would cause a use-after-free problem). Modify these functions to check for a NULL table and automatically allocate as needed. Also add a HASHMAP_INIT(fn, data) macro for initializing hashmaps on the stack without calling hashmap_init(). Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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