name-rev: respect const qualifier
Keep the const qualifier of the first parameter of get_rev_name() even when casting the object pointer to a commit pointer, and further for the parameter of get_commit_rev_name(), as all these uses are read-only. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>maint
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71620ca86c
commit
36d2419c9a
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@ -32,7 +32,7 @@ static struct commit_rev_name rev_names;
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/* How many generations are maximally preferred over _one_ merge traversal? */
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#define MERGE_TRAVERSAL_WEIGHT 65535
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static struct rev_name *get_commit_rev_name(struct commit *commit)
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static struct rev_name *get_commit_rev_name(const struct commit *commit)
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{
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struct rev_name **slot = commit_rev_name_peek(&rev_names, commit);
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@ -357,11 +357,11 @@ static const char *get_exact_ref_match(const struct object *o)
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static const char *get_rev_name(const struct object *o, struct strbuf *buf)
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{
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struct rev_name *n;
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struct commit *c;
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const struct commit *c;
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if (o->type != OBJ_COMMIT)
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return get_exact_ref_match(o);
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c = (struct commit *) o;
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c = (const struct commit *) o;
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n = get_commit_rev_name(c);
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if (!n)
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return NULL;
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