- fprintf (stderr, "error: failed to compile regular expression '%s': %s at offset %d\n",
- rex, errptr, erroffset);
+ pcre2_get_error_message (errorcode,
+ (PCRE2_UCHAR *) errormsg, sizeof errormsg);
+ fprintf (stderr, "error: "
+ "failed to compile regular expression '%s': "
+ "%s at offset %zu\n",
+ rex, errormsg, erroroffset);