use CALLOC_ARRAY
Add and apply a semantic patch for converting code that open-codes
CALLOC_ARRAY to use it instead. It shortens the code and infers the
element size automatically.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/combine-diff.c b/combine-diff.c
index 9228aeb..06635f9 100644
--- a/combine-diff.c
+++ b/combine-diff.c
@@ -214,11 +214,11 @@ static struct lline *coalesce_lines(struct lline *base, int *lenbase,
* - Else if we have NEW, insert newend lline into base and
* consume newend
*/
- lcs = xcalloc(st_add(origbaselen, 1), sizeof(int*));
- directions = xcalloc(st_add(origbaselen, 1), sizeof(enum coalesce_direction*));
+ CALLOC_ARRAY(lcs, st_add(origbaselen, 1));
+ CALLOC_ARRAY(directions, st_add(origbaselen, 1));
for (i = 0; i < origbaselen + 1; i++) {
- lcs[i] = xcalloc(st_add(lennew, 1), sizeof(int));
- directions[i] = xcalloc(st_add(lennew, 1), sizeof(enum coalesce_direction));
+ CALLOC_ARRAY(lcs[i], st_add(lennew, 1));
+ CALLOC_ARRAY(directions[i], st_add(lennew, 1));
directions[i][0] = BASE;
}
for (j = 1; j < lennew + 1; j++)
@@ -398,8 +398,8 @@ static void consume_hunk(void *state_,
state->lost_bucket = &state->sline[state->nb-1];
}
if (!state->sline[state->nb-1].p_lno)
- state->sline[state->nb-1].p_lno =
- xcalloc(state->num_parent, sizeof(unsigned long));
+ CALLOC_ARRAY(state->sline[state->nb - 1].p_lno,
+ state->num_parent);
state->sline[state->nb-1].p_lno[state->n] = state->ob;
}
@@ -1159,7 +1159,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
if (result_size && result[result_size-1] != '\n')
cnt++; /* incomplete line */
- sline = xcalloc(st_add(cnt, 2), sizeof(*sline));
+ CALLOC_ARRAY(sline, st_add(cnt, 2));
sline[0].bol = result;
for (lno = 0, cp = result; cp < result + result_size; cp++) {
if (*cp == '\n') {
@@ -1178,7 +1178,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
/* Even p_lno[cnt+1] is valid -- that is for the end line number
* for deletion hunk at the end.
*/
- sline[0].p_lno = xcalloc(st_mult(st_add(cnt, 2), num_parent), sizeof(unsigned long));
+ CALLOC_ARRAY(sline[0].p_lno, st_mult(st_add(cnt, 2), num_parent));
for (lno = 0; lno <= cnt; lno++)
sline[lno+1].p_lno = sline[lno].p_lno + num_parent;
@@ -1319,7 +1319,7 @@ static struct diff_filepair *combined_pair(struct combine_diff_path *p,
struct diff_filespec *pool;
pair = xmalloc(sizeof(*pair));
- pool = xcalloc(st_add(num_parent, 1), sizeof(struct diff_filespec));
+ CALLOC_ARRAY(pool, st_add(num_parent, 1));
pair->one = pool + 1;
pair->two = pool;
@@ -1348,7 +1348,7 @@ static void handle_combined_callback(struct diff_options *opt,
struct diff_queue_struct q;
int i;
- q.queue = xcalloc(num_paths, sizeof(struct diff_filepair *));
+ CALLOC_ARRAY(q.queue, num_paths);
q.alloc = num_paths;
q.nr = num_paths;
for (i = 0, p = paths; p; p = p->next)
