Michael Haggerty <mhag...@alum.mit.edu> writes:
> Give the poor humans some names to help them make sense of things.
>
> Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
> ---
Good.
Reviewed-by: me.
> replace_object.c | 17 +++++++++++------
> 1 file changed, 11 insertions(+), 6 deletions(-)
>
> diff --git a/replace_object.c b/replace_object.c
> index cdcaf8c..6fc3ff4 100644
> --- a/replace_object.c
> +++ b/replace_object.c
> @@ -3,8 +3,13 @@
> #include "refs.h"
> #include "commit.h"
>
> +/*
> + * An array of replacements. The array is kept sorted by the original
> + * sha1.
> + */
> static struct replace_object {
> - unsigned char sha1[2][20];
> + unsigned char original[20];
> + unsigned char replacement[20];
> } **replace_object;
>
> static int replace_object_alloc, replace_object_nr;
> @@ -12,7 +17,7 @@ static int replace_object_alloc, replace_object_nr;
> static const unsigned char *replace_sha1_access(size_t index, void *table)
> {
> struct replace_object **replace = table;
> - return replace[index]->sha1[0];
> + return replace[index]->original;
> }
>
> static int replace_object_pos(const unsigned char *sha1)
> @@ -24,7 +29,7 @@ static int replace_object_pos(const unsigned char *sha1)
> static int register_replace_object(struct replace_object *replace,
> int ignore_dups)
> {
> - int pos = replace_object_pos(replace->sha1[0]);
> + int pos = replace_object_pos(replace->original);
>
> if (0 <= pos) {
> if (ignore_dups)
> @@ -60,14 +65,14 @@ static int register_replace_ref(const char *refname,
> const char *hash = slash ? slash + 1 : refname;
> struct replace_object *repl_obj = xmalloc(sizeof(*repl_obj));
>
> - if (strlen(hash) != 40 || get_sha1_hex(hash, repl_obj->sha1[0])) {
> + if (strlen(hash) != 40 || get_sha1_hex(hash, repl_obj->original)) {
> free(repl_obj);
> warning("bad replace ref name: %s", refname);
> return 0;
> }
>
> /* Copy sha1 from the read ref */
> - hashcpy(repl_obj->sha1[1], sha1);
> + hashcpy(repl_obj->replacement, sha1);
>
> /* Register new object */
> if (register_replace_object(repl_obj, 1))
> @@ -107,7 +112,7 @@ const unsigned char *do_lookup_replace_object(const
> unsigned char *sha1)
>
> pos = replace_object_pos(cur);
> if (0 <= pos)
> - cur = replace_object[pos]->sha1[1];
> + cur = replace_object[pos]->replacement;
> } while (0 <= pos);
>
> return cur;
--
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