Added flipper_format_write_empty_line(...) (#4029)

* Added flipper_format_write_empty_line(...)
* Format sources

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

applications/debug/unit_tests/tests/flipper_format/flipper_format_test.c

@@ -265,6 +265,7 @@ static bool test_write(const char* file_name) {
         if(!flipper_format_file_open_always(file, file_name)) break;
         if(!flipper_format_write_header_cstr(file, test_filetype, test_version)) break;
         if(!flipper_format_write_comment_cstr(file, "This is comment")) break;
+        if(!flipper_format_write_empty_line(file)) break;
         if(!flipper_format_write_string_cstr(file, test_string_key, test_string_data)) break;
         if(!flipper_format_write_int32(file, test_int_key, test_int_data, COUNT_OF(test_int_data)))
             break;

lib/flipper_format/flipper_format.c

@@ -403,6 +403,11 @@ bool flipper_format_write_comment_cstr(FlipperFormat* flipper_format, const char
     return flipper_format_stream_write_comment_cstr(flipper_format->stream, data);
 }
 
+bool flipper_format_write_empty_line(FlipperFormat* flipper_format) {
+    furi_check(flipper_format);
+    return flipper_format_stream_write_eol(flipper_format->stream);
+}
+
 bool flipper_format_delete_key(FlipperFormat* flipper_format, const char* key) {
     furi_check(flipper_format);
     FlipperStreamWriteData write_data = {

lib/flipper_format/flipper_format.h

@@ -518,6 +518,14 @@ bool flipper_format_write_comment(FlipperFormat* flipper_format, FuriString* dat
  */
 bool flipper_format_write_comment_cstr(FlipperFormat* flipper_format, const char* data);
 
+/** Write empty line (Improves readability for human based parsing)
+ *
+ * @param      flipper_format  Pointer to a FlipperFormat instance
+ *
+ * @return     True on success
+ */
+bool flipper_format_write_empty_line(FlipperFormat* flipper_format);
+
 /** Removes the first matching key and its value. Sets the RW pointer to a
  * position of deleted data.
  *

targets/f18/api_symbols.csv

@@ -1,5 +1,5 @@
 entry,status,name,type,params
-Version,+,79.0,,
+Version,+,79.1,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/bt/bt_service/bt_keys_storage.h,,
 Header,+,applications/services/cli/cli.h,,
@@ -1054,6 +1054,7 @@ Function,+,flipper_format_update_uint32,_Bool,"FlipperFormat*, const char*, cons
 Function,+,flipper_format_write_bool,_Bool,"FlipperFormat*, const char*, const _Bool*, const uint16_t"
 Function,+,flipper_format_write_comment,_Bool,"FlipperFormat*, FuriString*"
 Function,+,flipper_format_write_comment_cstr,_Bool,"FlipperFormat*, const char*"
+Function,+,flipper_format_write_empty_line,_Bool,FlipperFormat*
 Function,+,flipper_format_write_float,_Bool,"FlipperFormat*, const char*, const float*, const uint16_t"
 Function,+,flipper_format_write_header,_Bool,"FlipperFormat*, FuriString*, const uint32_t"
 Function,+,flipper_format_write_header_cstr,_Bool,"FlipperFormat*, const char*, const uint32_t"

targets/f7/api_symbols.csv

@@ -1,5 +1,5 @@
 entry,status,name,type,params
-Version,+,79.0,,
+Version,+,79.1,,
 Header,+,applications/drivers/subghz/cc1101_ext/cc1101_ext_interconnect.h,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/bt/bt_service/bt_keys_storage.h,,
@@ -1164,6 +1164,7 @@ Function,+,flipper_format_update_uint32,_Bool,"FlipperFormat*, const char*, cons
 Function,+,flipper_format_write_bool,_Bool,"FlipperFormat*, const char*, const _Bool*, const uint16_t"
 Function,+,flipper_format_write_comment,_Bool,"FlipperFormat*, FuriString*"
 Function,+,flipper_format_write_comment_cstr,_Bool,"FlipperFormat*, const char*"
+Function,+,flipper_format_write_empty_line,_Bool,FlipperFormat*
 Function,+,flipper_format_write_float,_Bool,"FlipperFormat*, const char*, const float*, const uint16_t"
 Function,+,flipper_format_write_header,_Bool,"FlipperFormat*, FuriString*, const uint32_t"
 Function,+,flipper_format_write_header_cstr,_Bool,"FlipperFormat*, const char*, const uint32_t"