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authorJunio C Hamano <gitster@pobox.com>2014-09-26 21:39:45 (GMT)
committerJunio C Hamano <gitster@pobox.com>2014-09-26 21:39:45 (GMT)
commit1c2ea2cdc0e8c4e5af942c51b234c5af527944f6 (patch)
tree26554b52f6dcd97e2194c4b0c32106b6a2b72f92
parentb33000878a88b52816b97aeb88ba3677902ad277 (diff)
parent2756ca4347cbda05b16954cd7f445c216b935e76 (diff)
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Merge branch 'rs/realloc-array'
Code cleanup. * rs/realloc-array: use REALLOC_ARRAY for changing the allocation size of arrays add macro REALLOC_ARRAY
-rw-r--r--Documentation/technical/api-allocation-growing.txt3
-rw-r--r--attr.c3
-rw-r--r--builtin/apply.c2
-rw-r--r--builtin/for-each-ref.c9
-rw-r--r--builtin/index-pack.c4
-rw-r--r--builtin/log.c2
-rw-r--r--builtin/merge.c2
-rw-r--r--builtin/mv.c8
-rw-r--r--builtin/pack-objects.c3
-rw-r--r--builtin/show-branch.c2
-rw-r--r--cache.h2
-rw-r--r--column.c6
-rw-r--r--commit-slab.h3
-rw-r--r--fast-import.c2
-rw-r--r--git-compat-util.h2
-rw-r--r--git.c3
-rw-r--r--graph.c14
-rw-r--r--khash.h12
-rw-r--r--line-log.c2
-rw-r--r--object.c2
-rw-r--r--pack-bitmap-write.c3
-rw-r--r--pack-bitmap.c6
-rw-r--r--pack-objects.c3
-rw-r--r--revision.c2
-rw-r--r--sh-i18n--envsubst.c5
-rw-r--r--shallow.c3
-rw-r--r--string-list.c3
-rw-r--r--walker.c4
28 files changed, 45 insertions, 70 deletions
diff --git a/Documentation/technical/api-allocation-growing.txt b/Documentation/technical/api-allocation-growing.txt
index 542946b..5a59b54 100644
--- a/Documentation/technical/api-allocation-growing.txt
+++ b/Documentation/technical/api-allocation-growing.txt
@@ -34,3 +34,6 @@ item[nr++] = value you like;
------------
You are responsible for updating the `nr` variable.
+
+If you need to specify the number of elements to allocate explicitly
+then use the macro `REALLOC_ARRAY(item, alloc)` instead of `ALLOC_GROW`.
diff --git a/attr.c b/attr.c
index 734222d..cd54697 100644
--- a/attr.c
+++ b/attr.c
@@ -97,8 +97,7 @@ static struct git_attr *git_attr_internal(const char *name, int len)
a->attr_nr = attr_nr++;
git_attr_hash[pos] = a;
- check_all_attr = xrealloc(check_all_attr,
- sizeof(*check_all_attr) * attr_nr);
+ REALLOC_ARRAY(check_all_attr, attr_nr);
check_all_attr[a->attr_nr].attr = a;
check_all_attr[a->attr_nr].value = ATTR__UNKNOWN;
return a;
diff --git a/builtin/apply.c b/builtin/apply.c
index f204cca..8714a88 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -2626,7 +2626,7 @@ static void update_image(struct image *img,
* NOTE: this knows that we never call remove_first_line()
* on anything other than pre/post image.
*/
- img->line = xrealloc(img->line, nr * sizeof(*img->line));
+ REALLOC_ARRAY(img->line, nr);
img->line_allocated = img->line;
}
if (preimage_limit != postimage->nr)
diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c
index 69bba06..fda0f04 100644
--- a/builtin/for-each-ref.c
+++ b/builtin/for-each-ref.c
@@ -138,10 +138,8 @@ static int parse_atom(const char *atom, const char *ep)
/* Add it in, including the deref prefix */
at = used_atom_cnt;
used_atom_cnt++;
- used_atom = xrealloc(used_atom,
- (sizeof *used_atom) * used_atom_cnt);
- used_atom_type = xrealloc(used_atom_type,
- (sizeof(*used_atom_type) * used_atom_cnt));
+ REALLOC_ARRAY(used_atom, used_atom_cnt);
+ REALLOC_ARRAY(used_atom_type, used_atom_cnt);
used_atom[at] = xmemdupz(atom, ep - atom);
used_atom_type[at] = valid_atom[i].cmp_type;
if (*atom == '*')
@@ -870,8 +868,7 @@ static int grab_single_ref(const char *refname, const unsigned char *sha1, int f
ref->flag = flag;
cnt = cb->grab_cnt;
- cb->grab_array = xrealloc(cb->grab_array,
- sizeof(*cb->grab_array) * (cnt + 1));
+ REALLOC_ARRAY(cb->grab_array, cnt + 1);
cb->grab_array[cnt++] = ref;
cb->grab_cnt = cnt;
return 0;
diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index f89df01..792c66c 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -1170,9 +1170,7 @@ static void conclude_pack(int fix_thin_pack, const char *curr_pack, unsigned cha
int nr_objects_initial = nr_objects;
if (nr_unresolved <= 0)
die(_("confusion beyond insanity"));
- objects = xrealloc(objects,
- (nr_objects + nr_unresolved + 1)
- * sizeof(*objects));
+ REALLOC_ARRAY(objects, nr_objects + nr_unresolved + 1);
memset(objects + nr_objects + 1, 0,
nr_unresolved * sizeof(*objects));
f = sha1fd(output_fd, curr_pack);
diff --git a/builtin/log.c b/builtin/log.c
index 4ea71fe..2fb34c7 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -1440,7 +1440,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
continue;
nr++;
- list = xrealloc(list, nr * sizeof(list[0]));
+ REALLOC_ARRAY(list, nr);
list[nr - 1] = commit;
}
if (nr == 0)
diff --git a/builtin/merge.c b/builtin/merge.c
index ec6fa93..dff043d 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -556,7 +556,7 @@ static void parse_branch_merge_options(char *bmo)
if (argc < 0)
die(_("Bad branch.%s.mergeoptions string: %s"), branch,
split_cmdline_strerror(argc));
- argv = xrealloc(argv, sizeof(*argv) * (argc + 2));
+ REALLOC_ARRAY(argv, argc + 2);
memmove(argv + 1, argv, sizeof(*argv) * (argc + 1));
argc++;
argv[0] = "branch.*.mergeoptions";
diff --git a/builtin/mv.c b/builtin/mv.c
index bf784cb..8883baa 100644
--- a/builtin/mv.c
+++ b/builtin/mv.c
@@ -184,10 +184,10 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
modes[i] = WORKING_DIRECTORY;
n = argc + last - first;
- source = xrealloc(source, n * sizeof(char *));
- destination = xrealloc(destination, n * sizeof(char *));
- modes = xrealloc(modes, n * sizeof(enum update_mode));
- submodule_gitfile = xrealloc(submodule_gitfile, n * sizeof(char *));
+ REALLOC_ARRAY(source, n);
+ REALLOC_ARRAY(destination, n);
+ REALLOC_ARRAY(modes, n);
+ REALLOC_ARRAY(submodule_gitfile, n);
dst = add_slash(dst);
dst_len = strlen(dst);
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index b59f5d8..d391934 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -89,8 +89,7 @@ static void index_commit_for_bitmap(struct commit *commit)
{
if (indexed_commits_nr >= indexed_commits_alloc) {
indexed_commits_alloc = (indexed_commits_alloc + 32) * 2;
- indexed_commits = xrealloc(indexed_commits,
- indexed_commits_alloc * sizeof(struct commit *));
+ REALLOC_ARRAY(indexed_commits, indexed_commits_alloc);
}
indexed_commits[indexed_commits_nr++] = commit;
diff --git a/builtin/show-branch.c b/builtin/show-branch.c
index 298c95e..a127523 100644
--- a/builtin/show-branch.c
+++ b/builtin/show-branch.c
@@ -563,7 +563,7 @@ static int git_show_branch_config(const char *var, const char *value, void *cb)
default_arg[default_num++] = "show-branch";
} else if (default_alloc <= default_num + 1) {
default_alloc = default_alloc * 3 / 2 + 20;
- default_arg = xrealloc(default_arg, sizeof *default_arg * default_alloc);
+ REALLOC_ARRAY(default_arg, default_alloc);
}
default_arg[default_num++] = xstrdup(value);
default_arg[default_num] = NULL;
diff --git a/cache.h b/cache.h
index a9eb790..8206039 100644
--- a/cache.h
+++ b/cache.h
@@ -482,7 +482,7 @@ extern int daemonize(void);
alloc = (nr); \
else \
alloc = alloc_nr(alloc); \
- x = xrealloc((x), alloc * sizeof(*(x))); \
+ REALLOC_ARRAY(x, alloc); \
} \
} while (0)
diff --git a/column.c b/column.c
index 76b615d..8082a94 100644
--- a/column.c
+++ b/column.c
@@ -81,8 +81,7 @@ static void compute_column_width(struct column_data *data)
*/
static void shrink_columns(struct column_data *data)
{
- data->width = xrealloc(data->width,
- sizeof(*data->width) * data->cols);
+ REALLOC_ARRAY(data->width, data->cols);
while (data->rows > 1) {
int x, total_width, cols, rows;
rows = data->rows;
@@ -91,8 +90,7 @@ static void shrink_columns(struct column_data *data)
data->rows--;
data->cols = DIV_ROUND_UP(data->list->nr, data->rows);
if (data->cols != cols)
- data->width = xrealloc(data->width,
- sizeof(*data->width) * data->cols);
+ REALLOC_ARRAY(data->width, data->cols);
compute_column_width(data);
total_width = strlen(data->opts.indent);
diff --git a/commit-slab.h b/commit-slab.h
index 375c9c7..f37ec38 100644
--- a/commit-slab.h
+++ b/commit-slab.h
@@ -90,8 +90,7 @@ static MAYBE_UNUSED elemtype *slabname## _at(struct slabname *s, \
\
if (s->slab_count <= nth_slab) { \
int i; \
- s->slab = xrealloc(s->slab, \
- (nth_slab + 1) * sizeof(*s->slab)); \
+ REALLOC_ARRAY(s->slab, nth_slab + 1); \
stat_ ##slabname## realloc++; \
for (i = s->slab_count; i <= nth_slab; i++) \
s->slab[i] = NULL; \
diff --git a/fast-import.c b/fast-import.c
index 487f1f8..96b0f42 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -878,7 +878,7 @@ static void start_packfile(void)
pack_size = sizeof(hdr);
object_count = 0;
- all_packs = xrealloc(all_packs, sizeof(*all_packs) * (pack_id + 1));
+ REALLOC_ARRAY(all_packs, pack_id + 1);
all_packs[pack_id] = p;
}
diff --git a/git-compat-util.h b/git-compat-util.h
index 08a9ee2..0c4e663 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -627,6 +627,8 @@ extern int odb_mkstemp(char *template, size_t limit, const char *pattern);
extern int odb_pack_keep(char *name, size_t namesz, const unsigned char *sha1);
extern char *xgetcwd(void);
+#define REALLOC_ARRAY(x, alloc) (x) = xrealloc((x), (alloc) * sizeof(*(x)))
+
static inline size_t xsize_t(off_t len)
{
if (len > (size_t) len)
diff --git a/git.c b/git.c
index 523768d..4076b01 100644
--- a/git.c
+++ b/git.c
@@ -282,8 +282,7 @@ static int handle_alias(int *argcp, const char ***argv)
"trace: alias expansion: %s =>",
alias_command);
- new_argv = xrealloc(new_argv, sizeof(char *) *
- (count + *argcp));
+ REALLOC_ARRAY(new_argv, count + *argcp);
/* insert after command name */
memcpy(new_argv + count, *argv + 1, sizeof(char *) * *argcp);
diff --git a/graph.c b/graph.c
index dfb99f6..23fff73 100644
--- a/graph.c
+++ b/graph.c
@@ -267,16 +267,10 @@ static void graph_ensure_capacity(struct git_graph *graph, int num_columns)
graph->column_capacity *= 2;
} while (graph->column_capacity < num_columns);
- graph->columns = xrealloc(graph->columns,
- sizeof(struct column) *
- graph->column_capacity);
- graph->new_columns = xrealloc(graph->new_columns,
- sizeof(struct column) *
- graph->column_capacity);
- graph->mapping = xrealloc(graph->mapping,
- sizeof(int) * 2 * graph->column_capacity);
- graph->new_mapping = xrealloc(graph->new_mapping,
- sizeof(int) * 2 * graph->column_capacity);
+ REALLOC_ARRAY(graph->columns, graph->column_capacity);
+ REALLOC_ARRAY(graph->new_columns, graph->column_capacity);
+ REALLOC_ARRAY(graph->mapping, graph->column_capacity * 2);
+ REALLOC_ARRAY(graph->new_mapping, graph->column_capacity * 2);
}
/*
diff --git a/khash.h b/khash.h
index 06c7906..376475a 100644
--- a/khash.h
+++ b/khash.h
@@ -121,13 +121,9 @@ static const double __ac_HASH_UPPER = 0.77;
if (!new_flags) return -1; \
memset(new_flags, 0xaa, __ac_fsize(new_n_buckets) * sizeof(khint32_t)); \
if (h->n_buckets < new_n_buckets) { /* expand */ \
- khkey_t *new_keys = (khkey_t*)xrealloc((void *)h->keys, new_n_buckets * sizeof(khkey_t)); \
- if (!new_keys) return -1; \
- h->keys = new_keys; \
+ REALLOC_ARRAY(h->keys, new_n_buckets); \
if (kh_is_map) { \
- khval_t *new_vals = (khval_t*)xrealloc((void *)h->vals, new_n_buckets * sizeof(khval_t)); \
- if (!new_vals) return -1; \
- h->vals = new_vals; \
+ REALLOC_ARRAY(h->vals, new_n_buckets); \
} \
} /* otherwise shrink */ \
} \
@@ -160,8 +156,8 @@ static const double __ac_HASH_UPPER = 0.77;
} \
} \
if (h->n_buckets > new_n_buckets) { /* shrink the hash table */ \
- h->keys = (khkey_t*)xrealloc((void *)h->keys, new_n_buckets * sizeof(khkey_t)); \
- if (kh_is_map) h->vals = (khval_t*)xrealloc((void *)h->vals, new_n_buckets * sizeof(khval_t)); \
+ REALLOC_ARRAY(h->keys, new_n_buckets); \
+ if (kh_is_map) REALLOC_ARRAY(h->vals, new_n_buckets); \
} \
free(h->flags); /* free the working space */ \
h->flags = new_flags; \
diff --git a/line-log.c b/line-log.c
index 1008e72..038c58a 100644
--- a/line-log.c
+++ b/line-log.c
@@ -533,7 +533,7 @@ static void fill_line_ends(struct diff_filespec *spec, long *lines,
}
/* shrink the array to fit the elements */
- ends = xrealloc(ends, cur * sizeof(*ends));
+ REALLOC_ARRAY(ends, cur);
*lines = cur-1;
*line_ends = ends;
}
diff --git a/object.c b/object.c
index aedac24..ca9d790 100644
--- a/object.c
+++ b/object.c
@@ -319,7 +319,7 @@ static void add_object_array_with_mode_context(struct object *obj, const char *n
if (nr >= alloc) {
alloc = (alloc + 32) * 2;
- objects = xrealloc(objects, alloc * sizeof(*objects));
+ REALLOC_ARRAY(objects, alloc);
array->alloc = alloc;
array->objects = objects;
}
diff --git a/pack-bitmap-write.c b/pack-bitmap-write.c
index 5f1791a..8029ae3 100644
--- a/pack-bitmap-write.c
+++ b/pack-bitmap-write.c
@@ -111,8 +111,7 @@ static inline void push_bitmapped_commit(struct commit *commit, struct ewah_bitm
{
if (writer.selected_nr >= writer.selected_alloc) {
writer.selected_alloc = (writer.selected_alloc + 32) * 2;
- writer.selected = xrealloc(writer.selected,
- writer.selected_alloc * sizeof(struct bitmapped_commit));
+ REALLOC_ARRAY(writer.selected, writer.selected_alloc);
}
writer.selected[writer.selected_nr].commit = commit;
diff --git a/pack-bitmap.c b/pack-bitmap.c
index 91e4101..a1f3c0d 100644
--- a/pack-bitmap.c
+++ b/pack-bitmap.c
@@ -400,10 +400,8 @@ static int ext_index_add_object(struct object *object, const char *name)
if (hash_ret > 0) {
if (eindex->count >= eindex->alloc) {
eindex->alloc = (eindex->alloc + 16) * 3 / 2;
- eindex->objects = xrealloc(eindex->objects,
- eindex->alloc * sizeof(struct object *));
- eindex->hashes = xrealloc(eindex->hashes,
- eindex->alloc * sizeof(uint32_t));
+ REALLOC_ARRAY(eindex->objects, eindex->alloc);
+ REALLOC_ARRAY(eindex->hashes, eindex->alloc);
}
bitmap_pos = eindex->count;
diff --git a/pack-objects.c b/pack-objects.c
index 9992f3e..6398a8a 100644
--- a/pack-objects.c
+++ b/pack-objects.c
@@ -92,8 +92,7 @@ struct object_entry *packlist_alloc(struct packing_data *pdata,
if (pdata->nr_objects >= pdata->nr_alloc) {
pdata->nr_alloc = (pdata->nr_alloc + 1024) * 3 / 2;
- pdata->objects = xrealloc(pdata->objects,
- pdata->nr_alloc * sizeof(*new_entry));
+ REALLOC_ARRAY(pdata->objects, pdata->nr_alloc);
}
new_entry = pdata->objects + pdata->nr_objects++;
diff --git a/revision.c b/revision.c
index 0d3e417..e498b7c 100644
--- a/revision.c
+++ b/revision.c
@@ -1397,7 +1397,7 @@ static void prepare_show_merge(struct rev_info *revs)
continue;
if (ce_path_match(ce, &revs->prune_data, NULL)) {
prune_num++;
- prune = xrealloc(prune, sizeof(*prune) * prune_num);
+ REALLOC_ARRAY(prune, prune_num);
prune[prune_num-2] = ce->name;
prune[prune_num-1] = NULL;
}
diff --git a/sh-i18n--envsubst.c b/sh-i18n--envsubst.c
index 6dd03a9..2842a22 100644
--- a/sh-i18n--envsubst.c
+++ b/sh-i18n--envsubst.c
@@ -208,11 +208,8 @@ string_list_append (string_list_ty *slp, const char *s)
/* Grow the list. */
if (slp->nitems >= slp->nitems_max)
{
- size_t nbytes;
-
slp->nitems_max = slp->nitems_max * 2 + 4;
- nbytes = slp->nitems_max * sizeof (slp->item[0]);
- slp->item = (const char **) xrealloc (slp->item, nbytes);
+ REALLOC_ARRAY(slp->item, slp->nitems_max);
}
/* Add the string to the end of the list. */
diff --git a/shallow.c b/shallow.c
index de07709..57f4afa 100644
--- a/shallow.c
+++ b/shallow.c
@@ -392,8 +392,7 @@ static uint32_t *paint_alloc(struct paint_info *info)
void *p;
if (!info->slab_count || info->free + size > info->end) {
info->slab_count++;
- info->slab = xrealloc(info->slab,
- info->slab_count * sizeof(*info->slab));
+ REALLOC_ARRAY(info->slab, info->slab_count);
info->free = xmalloc(COMMIT_SLAB_SIZE);
info->slab[info->slab_count - 1] = info->free;
info->end = info->free + COMMIT_SLAB_SIZE;
diff --git a/string-list.c b/string-list.c
index db38b62..c5aa076 100644
--- a/string-list.c
+++ b/string-list.c
@@ -43,8 +43,7 @@ static int add_entry(int insert_at, struct string_list *list, const char *string
if (list->nr + 1 >= list->alloc) {
list->alloc += 32;
- list->items = xrealloc(list->items, list->alloc
- * sizeof(struct string_list_item));
+ REALLOC_ARRAY(list->items, list->alloc);
}
if (index < list->nr)
memmove(list->items + index + 1, list->items + index,
diff --git a/walker.c b/walker.c
index f8d3709..18a67d3 100644
--- a/walker.c
+++ b/walker.c
@@ -228,8 +228,8 @@ int walker_targets_stdin(char ***target, const char ***write_ref)
if (targets >= targets_alloc) {
targets_alloc = targets_alloc ? targets_alloc * 2 : 64;
- *target = xrealloc(*target, targets_alloc * sizeof(**target));
- *write_ref = xrealloc(*write_ref, targets_alloc * sizeof(**write_ref));
+ REALLOC_ARRAY(*target, targets_alloc);
+ REALLOC_ARRAY(*write_ref, targets_alloc);
}
(*target)[targets] = xstrdup(tg_one);
(*write_ref)[targets] = rf_one ? xstrdup(rf_one) : NULL;