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Fix "allocated buffer size is not a multiple of the pointee's size" warning

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No need to play games with void pointers, two separate functions are
much more readable.
This commit is contained in:
Milan Broz
2024-07-09 23:03:29 +02:00
parent bf088de00f
commit 8b21b4b2ee
1 changed files with 23 additions and 31 deletions
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54
lib/luks2/luks2_segment.c
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@@ -226,27 +226,6 @@ unsigned json_segments_count(json_object *jobj_segments)
return count;
}
static void _get_segment_or_id_by_flag(json_object *jobj_segments, const char *flag, unsigned id, void *retval)
{
json_object *jobj_flags, **jobj_ret = (json_object **)retval;
int *ret = (int *)retval;
if (!flag)
return;
json_object_object_foreach(jobj_segments, key, value) {
if (!json_object_object_get_ex(value, "flags", &jobj_flags))
continue;
if (LUKS2_array_jobj(jobj_flags, flag)) {
if (id)
*ret = atoi(key);
else
*jobj_ret = value;
return;
}
}
}
void json_segment_remove_flag(json_object *jobj_segment, const char *flag)
{
json_object *jobj_flags, *jobj_flags_new;
@@ -574,24 +553,37 @@ int LUKS2_segments_set(struct crypt_device *cd, struct luks2_hdr *hdr,
int LUKS2_get_segment_id_by_flag(struct luks2_hdr *hdr, const char *flag)
{
int ret = -ENOENT;
json_object *jobj_segments = LUKS2_get_segments_jobj(hdr);
json_object *jobj_flags, *jobj_segments = LUKS2_get_segments_jobj(hdr);
if (jobj_segments)
_get_segment_or_id_by_flag(jobj_segments, flag, 1, &ret);
if (!flag || !jobj_segments)
return -ENOENT;
return ret;
json_object_object_foreach(jobj_segments, key, value) {
if (!json_object_object_get_ex(value, "flags", &jobj_flags))
continue;
if (LUKS2_array_jobj(jobj_flags, flag))
return atoi(key);
}
return -ENOENT;
}
json_object *LUKS2_get_segment_by_flag(struct luks2_hdr *hdr, const char *flag)
{
json_object *jobj_segment = NULL,
*jobj_segments = LUKS2_get_segments_jobj(hdr);
json_object *jobj_flags, *jobj_segments = LUKS2_get_segments_jobj(hdr);
if (jobj_segments)
_get_segment_or_id_by_flag(jobj_segments, flag, 0, &jobj_segment);
if (!flag || !jobj_segments)
return NULL;
return jobj_segment;
json_object_object_foreach(jobj_segments, key, value) {
UNUSED(key);
if (!json_object_object_get_ex(value, "flags", &jobj_flags))
continue;
if (LUKS2_array_jobj(jobj_flags, flag))
return value;
}
return NULL;
}
/* compares key characteristics of both segments */