Format ens files and add .clang-format file

.clang-format

@@ -0,0 +1 @@
+{ BasedOnStyle: Chromium, UseTab: Never, IndentWidth: 4, TabWidth: 4, ColumnLimit: 120 }

src/ens/ens_fs.c

@@ -1,10 +1,10 @@
 #include <drivers/flash.h>
 #include <storage/flash_map.h>
-#include <sys/crc.h>
 #include <string.h>
+#include <sys/crc.h>
 
-#include "ens_fs.h"
 #include "ens_error.h"
+#include "ens_fs.h"
 
 #define SEED 42
 
@@ -36,7 +36,6 @@ int ens_fs_init(ens_fs_t* fs, uint8_t id, uint64_t entry_size) {
 }
 
 int ens_fs_read(ens_fs_t* fs, uint64_t id, void* dist) {
-
     // read the entry from flash
     uint64_t offset = id * fs->entry_size;
     if (flash_area_read(fs->area, offset, dist, fs->entry_size)) {
@@ -59,7 +58,6 @@ int ens_fs_read(ens_fs_t* fs, uint64_t id, void* dist) {
 }
 
 int ens_fs_write(ens_fs_t* fs, uint64_t id, void* data) {
-
     // set CRC and not-deleted-flag
     uint8_t* obj = data;
     obj[fs->entry_size - 1] = crc7_be(SEED, obj, fs->entry_size - 1) | 1;
@@ -74,7 +72,6 @@ int ens_fs_write(ens_fs_t* fs, uint64_t id, void* data) {
 }
 
 int ens_fs_delete(ens_fs_t* fs, uint64_t id) {
-
     uint8_t data[fs->entry_size];
 
     uint64_t offset = id * fs->entry_size;
@@ -94,7 +91,6 @@ int ens_fs_delete(ens_fs_t* fs, uint64_t id) {
 }
 
 int ens_fs_page_erase(ens_fs_t* fs, uint64_t offset, uint64_t sector_count) {
-
     // calculate the next page start before (or at) the given offset
     uint64_t start = (offset - offset % fs->sector_size) * fs->entry_size;
 

src/ens/records.h

@@ -24,8 +24,6 @@ int ens_records_iterator_init_range(record_iterator_t* iterator,
                                     record_sequence_number_t* opt_start,
                                     record_sequence_number_t* opt_end);
 
-// TODO: This function should call with the relevant start and end sequence numbers (retrieved through e.g. binary
-// search / metadata)
 // TODO: Do we guarantee that higher sequence numbers have at least our timestamp and lower sequence numbers up to our
 // timestamp?
 int ens_records_iterator_init_timerange(record_iterator_t* iterator, uint32_t* ts_start, uint32_t* ts_end);

src/ens/storage.c

@@ -72,7 +72,8 @@ int init_contact_storage(void) {
     struct flash_pages_info info;
     // define the nvs file system
     info_fs.offset = FLASH_AREA_OFFSET(storage);
-    rc = flash_get_page_info_by_offs(device_get_binding(DT_CHOSEN_ZEPHYR_FLASH_CONTROLLER_LABEL), info_fs.offset, &info);
+    rc =
+        flash_get_page_info_by_offs(device_get_binding(DT_CHOSEN_ZEPHYR_FLASH_CONTROLLER_LABEL), info_fs.offset, &info);
 
     if (rc) {
         // Error during retrieval of page information
@@ -118,7 +119,6 @@ int load_contact(record_t* dest, record_sequence_number_t sn) {
 }
 
 int add_contact(record_t* src) {
-
     // Check, if next sn would be at start of page
     record_sequence_number_t potential_next_sn = sn_increment(get_latest_sequence_number());
     storage_id_t potential_next_id = convert_sn_to_storage_id(potential_next_sn);

src/ens/storage.h

@@ -2,8 +2,8 @@
 #define CONTACT_STORAGE_H
 
 #include "../contacts.h"  // Requires contact_t in contacts.h!
-#include "sequencenumber.h"
 #include "../covid_types.h"
+#include "sequencenumber.h"
 
 typedef uint16_t storage_id_t;