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authorLibravatar René Scharfe <rene.scharfe@lsrfire.ath.cx>2013-06-02 17:46:56 +0200
committerLibravatar Junio C Hamano <gitster@pobox.com>2013-06-02 15:31:14 -0700
commit5828e8352c07753a1f751322800524bf9dff8679 (patch)
tree267b32e002843b0f77172d62c9057c92ba1b5b47 /t/t9154
parentdiff-lib, read-tree, unpack-trees: mark cache_entry pointers const (diff)
downloadtgif-5828e8352c07753a1f751322800524bf9dff8679.tar.xz
diff-lib, read-tree, unpack-trees: mark cache_entry array paramters const
Change the type merge_fn_t to accept the array of cache_entry pointers as const pointers to const pointers. This documents the fact that the merge functions don't modify the cache_entry contents or replace any of the pointers in the array. Only a single cast is necessary in unpack_nondirectories because adding two const modifiers at once is not allowed in C. The cast is safe in that it doesn't mask any modfication; call_unpack_fn only needs the array for reading. Signed-off-by: René Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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