[PATCH 3/3] use DUP_ARRAY

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Add a semantic patch to replace ALLOC_ARRAY+COPY_ARRAY with DUP_ARRAY
to reduce code duplication and apply its results.

Signed-off-by: René Scharfe <l.s.r@xxxxxx>
---
 attr.c                         | 3 +--
 builtin/am.c                   | 3 +--
 commit-graph.c                 | 3 +--
 commit-reach.c                 | 3 +--
 compat/mingw.c                 | 3 +--
 contrib/coccinelle/array.cocci | 7 +++++++
 parse-options.c                | 3 +--
 pathspec.c                     | 6 ++----
 8 files changed, 15 insertions(+), 16 deletions(-)

diff --git a/attr.c b/attr.c
index 42ad6de8c7..e4e304a826 100644
--- a/attr.c
+++ b/attr.c
@@ -599,8 +599,7 @@ struct attr_check *attr_check_dup(const struct attr_check *check)

 	ret->nr = check->nr;
 	ret->alloc = check->alloc;
-	ALLOC_ARRAY(ret->items, ret->nr);
-	COPY_ARRAY(ret->items, check->items, ret->nr);
+	DUP_ARRAY(ret->items, check->items, ret->nr);

 	return ret;
 }
diff --git a/builtin/am.c b/builtin/am.c
index dddf1b9af0..eee06bbb6c 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -1489,8 +1489,7 @@ static int run_apply(const struct am_state *state, const char *index_file)
 	 * apply_opts.v keeps referencing the allocated strings for
 	 * strvec_clear() to release.
 	 */
-	ALLOC_ARRAY(apply_argv, apply_opts.nr);
-	COPY_ARRAY(apply_argv, apply_opts.v, apply_opts.nr);
+	DUP_ARRAY(apply_argv, apply_opts.v, apply_opts.nr);

 	opts_left = apply_parse_options(apply_opts.nr, apply_argv,
 					&apply_state, &force_apply, &options,
diff --git a/commit-graph.c b/commit-graph.c
index a7d8755932..c11b59f28b 100644
--- a/commit-graph.c
+++ b/commit-graph.c
@@ -1594,8 +1594,7 @@ static void compute_bloom_filters(struct write_commit_graph_context *ctx)
 			_("Computing commit changed paths Bloom filters"),
 			ctx->commits.nr);

-	ALLOC_ARRAY(sorted_commits, ctx->commits.nr);
-	COPY_ARRAY(sorted_commits, ctx->commits.list, ctx->commits.nr);
+	DUP_ARRAY(sorted_commits, ctx->commits.list, ctx->commits.nr);

 	if (ctx->order_by_pack)
 		QSORT(sorted_commits, ctx->commits.nr, commit_pos_cmp);
diff --git a/commit-reach.c b/commit-reach.c
index c226ee3da4..2e33c599a8 100644
--- a/commit-reach.c
+++ b/commit-reach.c
@@ -245,8 +245,7 @@ static int remove_redundant_with_gen(struct repository *r,
 	 * min_gen_pos points to the current position within 'array'
 	 * that is not yet known to be STALE.
 	 */
-	ALLOC_ARRAY(sorted, cnt);
-	COPY_ARRAY(sorted, array, cnt);
+	DUP_ARRAY(sorted, array, cnt);
 	QSORT(sorted, cnt, compare_commits_by_gen);
 	min_generation = commit_graph_generation(sorted[0]);

diff --git a/compat/mingw.c b/compat/mingw.c
index d614f156df..ddc5dd0377 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -1396,8 +1396,7 @@ static wchar_t *make_environment_block(char **deltaenv)
 			p += s;
 		}

-		ALLOC_ARRAY(result, size);
-		COPY_ARRAY(result, wenv, size);
+		DUP_ARRAY(result, wenv, size);
 		FreeEnvironmentStringsW(wenv);
 		return result;
 	}
diff --git a/contrib/coccinelle/array.cocci b/contrib/coccinelle/array.cocci
index aa75937950..27a3b479c9 100644
--- a/contrib/coccinelle/array.cocci
+++ b/contrib/coccinelle/array.cocci
@@ -94,3 +94,10 @@ expression n != 1;
 @@
 - ptr = xcalloc(n, \( sizeof(*ptr) \| sizeof(T) \) )
 + CALLOC_ARRAY(ptr, n)
+
+@@
+expression dst, src, n;
+@@
+-ALLOC_ARRAY(dst, n);
+-COPY_ARRAY(dst, src, n);
++DUP_ARRAY(dst, src, n);
diff --git a/parse-options.c b/parse-options.c
index a1ec932f0f..fd4743293f 100644
--- a/parse-options.c
+++ b/parse-options.c
@@ -702,8 +702,7 @@ static struct option *preprocess_options(struct parse_opt_ctx_t *ctx,
 	if (!nr_aliases)
 		return NULL;

-	ALLOC_ARRAY(newopt, nr + 1);
-	COPY_ARRAY(newopt, options, nr + 1);
+	DUP_ARRAY(newopt, options, nr + 1);

 	/* each alias has two string pointers and NULL */
 	CALLOC_ARRAY(ctx->alias_groups, 3 * (nr_aliases + 1));
diff --git a/pathspec.c b/pathspec.c
index 46e77a85fe..e038481dc4 100644
--- a/pathspec.c
+++ b/pathspec.c
@@ -681,8 +681,7 @@ void copy_pathspec(struct pathspec *dst, const struct pathspec *src)
 	int i, j;

 	*dst = *src;
-	ALLOC_ARRAY(dst->items, dst->nr);
-	COPY_ARRAY(dst->items, src->items, dst->nr);
+	DUP_ARRAY(dst->items, src->items, dst->nr);

 	for (i = 0; i < dst->nr; i++) {
 		struct pathspec_item *d = &dst->items[i];
@@ -691,8 +690,7 @@ void copy_pathspec(struct pathspec *dst, const struct pathspec *src)
 		d->match = xstrdup(s->match);
 		d->original = xstrdup(s->original);

-		ALLOC_ARRAY(d->attr_match, d->attr_match_nr);
-		COPY_ARRAY(d->attr_match, s->attr_match, d->attr_match_nr);
+		DUP_ARRAY(d->attr_match, s->attr_match, d->attr_match_nr);
 		for (j = 0; j < d->attr_match_nr; j++) {
 			const char *value = s->attr_match[j].value;
 			d->attr_match[j].value = xstrdup_or_null(value);
--
2.39.0




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