eessppeelllloo/cryptsetup
1
0
Fork 0
mirror of https://gitlab.com/cryptsetup/cryptsetup.git synced 2025-12-11 19:00:02 +01:00
Code Issues Packages Projects Releases Wiki Activity

Remove helper get_first_data_offset completely.

Browse Source
This commit is contained in:
Ondrej Kozina
2019-02-25 17:46:32 +01:00
committed by Milan Broz
parent 203fe0f4bf
commit 361fb22954
1 changed files with 17 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

46
lib/luks2/luks2_segment.c
View File

@@ -21,34 +21,6 @@
#include "luks2_internal.h"
/* use only on already validated 'segments' object */
static uint64_t get_first_data_offset(json_object *jobj_segs, const char *type)
{
json_object *jobj_offset, *jobj_type;
uint64_t tmp, min = UINT64_MAX;
json_object_object_foreach(jobj_segs, key, val) {
UNUSED(key);
if (type) {
json_object_object_get_ex(val, "type", &jobj_type);
if (strcmp(type, json_object_get_string(jobj_type)))
continue;
}
json_object_object_get_ex(val, "offset", &jobj_offset);
tmp = json_object_get_uint64(jobj_offset);
if (!tmp)
return tmp;
if (tmp < min)
min = tmp;
}
return min;
}
json_object *json_get_segments_jobj(json_object *hdr_jobj)
{
json_object *jobj_segments;
@@ -59,11 +31,27 @@ json_object *json_get_segments_jobj(json_object *hdr_jobj)
return jobj_segments;
}
/* use only on already validated 'segments' object */
uint64_t json_segments_get_minimal_offset(json_object *jobj_segments, unsigned blockwise)
{
uint64_t tmp, min = blockwise ? UINT64_MAX >> SECTOR_SHIFT : UINT64_MAX;
if (!jobj_segments)
return 0;
return blockwise ? get_first_data_offset(jobj_segments, NULL) >> SECTOR_SHIFT : get_first_data_offset(jobj_segments, NULL);
json_object_object_foreach(jobj_segments, key, val) {
UNUSED(key);
tmp = json_segment_get_offset(val, blockwise);
if (!tmp)
return tmp;
if (tmp < min)
min = tmp;
}
return min;
}
uint64_t json_segment_get_offset(json_object *jobj_segment, unsigned blockwise)