apr_size_t flood_regerror()

in flood_pcre.c [68:95]

• 24 lines of code
• 5 McCabe index (conditional complexity)

apr_size_t flood_regerror(int errcode, const flood_regex_t *preg,
                          char *errbuf, apr_size_t errbuf_size)
{
const char *message, *addmessage;
apr_size_t length, addlength;

message = (errcode >= (int)(sizeof(pstring)/sizeof(char *)))?
  "unknown error code" : pstring[errcode];
length = strlen(message) + 1;

addmessage = " at offset ";
addlength = (preg != NULL && (int)preg->re_erroffset != -1)?
  strlen(addmessage) + 6 : 0;

if (errbuf_size > 0)
  {
  if (addlength > 0 && errbuf_size >= length + addlength)
      apr_snprintf(errbuf, sizeof errbuf,
                   "%s%s%-6d", message, addmessage, (int)preg->re_erroffset);
  else
    {
    strncpy(errbuf, message, errbuf_size - 1);
    errbuf[errbuf_size-1] = 0;
    }
  }

return length + addlength;
}