libxlsxwriter/src/shared_strings.c in fast_excel-0.4.1 vs libxlsxwriter/src/shared_strings.c in fast_excel-0.5.0

@@ -1,11 +1,11 @@
 /*****************************************************************************
  * shared_strings - A library for creating Excel XLSX sst files.
  *
  * Used in conjunction with the libxlsxwriter library.
  *
- * Copyright 2014-2019, John McNamara, [e-mail]. See LICENSE.txt.
+ * Copyright 2014-2022, John McNamara, [e-mail]. See LICENSE.txt.
  *
  */
 
 #include "xlsxwriter/xmlwriter.h"
 #include "xlsxwriter/shared_strings.h"
@@ -143,12 +143,10 @@
     uint8_t escaped_string = LXW_FALSE;
 
     lxw_xml_start_tag(self->file, "si", NULL);
 
     /* Look for and escape control chars in the string. */
-    if (strpbrk(string, "\x01\x02\x03\x04\x05\x06\x07\x08\x0B\x0C"
-                "\x0D\x0E\x0F\x10\x11\x12\x13\x14\x15\x16"
-                "\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F")) {
+    if (lxw_has_control_characters(string)) {
         string = lxw_escape_control_characters(string);
         escaped_string = LXW_TRUE;
     }
 
     /* Write the t element. */