[PATCH v2 05/25] cmd_diff(): use an object_array for holding trees
- From
Michael Haggerty <mhagger@alum.mit.edu>
- Date
- May 25, 2013, 09:08 UTC
- Message-ID
- <1369472904-12875-6-git-send-email-mhagger@alum.mit.edu>
- In-Reply-To
- <1369472904-12875-1-git-send-email-mhagger@alum.mit.edu>
Change cmd_diff() to use a (struct object_array) for holding the trees that it accumulates, rather than rolling its own equivalent.
Incidentally, this change removes a hard-coded limit of 100 trees in combined diff, not that it matters in practice.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> --- builtin/diff.c | 37 ++++++++++++++++++------------------- 1 file changed, 18 insertions(+), 19 deletions(-)
diff --git a/builtin/diff.c b/builtin/diff.c index abdd613..661fdde 100644 --- a/builtin/diff.c +++ b/builtin/diff.c @@ -253,8 +253,8 @@ int cmd_diff(int argc, const char **argv, const char *prefix) { int i; struct rev_info rev; - struct object_array_entry ent[100]; - int ents = 0, blobs = 0, paths = 0; + struct object_array ent = OBJECT_ARRAY_INIT; + int blobs = 0, paths = 0; const char *path = NULL; struct blobinfo blob[2]; int nongit; @@ -351,13 +351,8 @@ int cmd_diff(int argc, const char **argv, const char *prefix) if (obj->type == OBJ_COMMIT) obj = &((struct commit *)obj)->tree->object; if (obj->type == OBJ_TREE) { - if (ARRAY_SIZE(ent) <= ents) - die(_("more than %d trees given: '%s'"), - (int) ARRAY_SIZE(ent), name); obj->flags |= flags; - ent[ents].item = obj; - ent[ents].name = name; - ents++; + add_object_array(obj, name, &ent); continue; } if (obj->type == OBJ_BLOB) { @@ -381,7 +376,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix) /* * Now, do the arguments look reasonable? */ - if (!ents) { + if (!ent.nr) { switch (blobs) { case 0: result = builtin_diff_files(&rev, argc, argv); @@ -402,22 +397,26 @@ int cmd_diff(int argc, const char **argv, const char *prefix) } else if (blobs) usage(builtin_diff_usage); - else if (ents == 1) + else if (ent.nr == 1) result = builtin_diff_index(&rev, argc, argv); - else if (ents == 2) - result = builtin_diff_tree(&rev, argc, argv, &ent[0], &ent[1]); - else if (ent[0].item->flags & UNINTERESTING) { + else if (ent.nr == 2) + result = builtin_diff_tree(&rev, argc, argv, + &ent.objects[0], &ent.objects[1]); + else if (ent.objects[0].item->flags & UNINTERESTING) { /* * diff A...B where there is at least one merge base - * between A and B. We have ent[0] == merge-base, - * ent[ents-2] == A, and ent[ents-1] == B. Show diff - * between the base and B. Note that we pick one - * merge base at random if there are more than one. + * between A and B. We have ent.objects[0] == + * merge-base, ent.objects[ents-2] == A, and + * ent.objects[ents-1] == B. Show diff between the + * base and B. Note that we pick one merge base at + * random if there are more than one. */ - result = builtin_diff_tree(&rev, argc, argv, &ent[0], &ent[ents-1]); + result = builtin_diff_tree(&rev, argc, argv, + &ent.objects[0], + &ent.objects[ent.nr-1]); } else result = builtin_diff_combined(&rev, argc, argv, - ent, ents); + ent.objects, ent.nr); result = diff_result_code(&rev.diffopt, result); if (1 < rev.diffopt.skip_stat_unmatch) refresh_index_quietly();
-- 1.8.2.3