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convert trivial cases to FLEX_ARRAY macros

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Using FLEX_ARRAY macros reduces the amount of manual
computation size we have to do. It also ensures we don't
overflow size_t, and it makes sure we write the same number
of bytes that we allocated.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King
2016-02-22 17:44:32 -05:00
committed by Junio C Hamano
parent 3733e69464
commit 96ffc06f72
17 changed files with 35 additions and 82 deletions
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4
cache-tree.c
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@ -79,11 +79,9 @@ static struct cache_tree_sub *find_subtree(struct cache_tree *it,
ALLOC_GROW(it->down, it->subtree_nr + 1, it->subtree_alloc);
it->subtree_nr++;
down = xmalloc(sizeof(*down) + pathlen + 1);
FLEX_ALLOC_MEM(down, name, path, pathlen);
down->cache_tree = NULL;
down->namelen = pathlen;
memcpy(down->name, path, pathlen);
down->name[pathlen] = 0;
if (pos < it->subtree_nr)
memmove(it->down + pos + 1,