unleashed-firmware/lib/toolbox/namechanger.c
MX c2713eff87
New way of changing device name
Settings scene, char Validator, Idea -> by Willy-JL
Implemented by me

Kod plohoi, ochen plohoi, kto mozhet - sdelaite kak nado, esli smozhete :)
Ya luche varianta ne pridumal poka 4to
2023-05-14 05:38:00 +03:00

53 lines
No EOL
1.6 KiB
C

#include "namechanger.h"
#include <furi_hal_version.h>
#include <flipper_format/flipper_format.h>
#define TAG "NameChanger"
bool NameChanger_Init() {
Storage* storage = furi_record_open(RECORD_STORAGE);
FuriString* str = furi_string_alloc();
FlipperFormat* file = flipper_format_file_alloc(storage);
bool res = false;
do {
uint32_t version;
if(!flipper_format_file_open_existing(file, NAMECHANGER_PATH)) break;
if(!flipper_format_read_header(file, str, &version)) break;
if(furi_string_cmp_str(str, NAMECHANGER_HEADER)) break;
if(version != NAMECHANGER_VERSION) break;
if(!flipper_format_read_string(file, "Name", str)) break;
// Check for size
size_t temp_string_size = furi_string_size(str);
if(temp_string_size > (size_t)8) break;
if(temp_string_size < (size_t)2) break;
// Check for forbidden characters
const char* name_ptr = furi_string_get_cstr(str);
bool chars_check_failed = false;
for(; *name_ptr; ++name_ptr) {
const char c = *name_ptr;
if((c < '0' || c > '9') && (c < 'A' || c > 'Z') && (c < 'a' || c > 'z')) {
chars_check_failed = true;
break;
}
}
if(chars_check_failed) break;
// If all checks was good we can set the name
version_set_custom_name(NULL, strdup(furi_string_get_cstr(str)));
furi_hal_version_set_name(version_get_custom_name(NULL));
res = true;
} while(false);
flipper_format_free(file);
furi_record_close(RECORD_STORAGE);
furi_string_free(str);
return res;
}