fix: parse text settings as decimal integers

Change dbutils_settings_get_value to parse text-backed integer settings with base 10 instead of base 0.

This avoids surprising octal handling for values with leading zeroes while preserving the documented decimal byte values used by payload_max_chunk_size. Add a unit assertion that '010' reads back as 10.

Author: andinux

src/dbutils.c

@@ -147,7 +147,7 @@ int dbutils_settings_get_value (cloudsync_context *data, const char *key, char *
             int type = database_column_type(vm, 0);
             if (type == DBTYPE_TEXT) {
                 const char *value = database_column_text(vm, 0);
-                *intvalue = value ? strtoll(value, NULL, 0) : 0;
+                *intvalue = value ? strtoll(value, NULL, 10) : 0;
             } else {
                 *intvalue = database_column_int(vm, 0);
             }

test/unit.c

@@ -1901,6 +1901,11 @@ bool do_test_dbutils (void) {
     rc = dbutils_settings_get_value(data, "key2", buffer, &blen, NULL);
     if (rc != SQLITE_OK) goto finalize;
     if (buffer[0] != 0) goto finalize;
+
+    dbutils_settings_set_key_value(data, "decimal_key", "010");
+    int64_t intvalue = 0;
+    rc = dbutils_settings_get_value(data, "decimal_key", NULL, NULL, &intvalue);
+    if (rc != SQLITE_OK || intvalue != 10) goto finalize;
 
     // test table settings
     rc = dbutils_table_settings_set_key_value(data, NULL, NULL, NULL, NULL);