Function getRemapUrlStr

plugins/xdebug/xdebug.cc:369–395

The returned string must be freed with TSfree() unless it is equal to the constant NotFound.

// The returned string must be freed with TSfree() unless it is equal to the constant NotFound.
//
static const char *
getRemapUrlStr(TSHttpTxn txnp, TSReturnCode (*remapUrlGetFunc)(TSHttpTxn, TSMLoc *), int &urlStrLen)
{
  TSMLoc urlLoc;

  TSReturnCode rc = remapUrlGetFunc(txnp, &urlLoc);
  if (rc != TS_SUCCESS) {
    urlStrLen = sizeof(NotFound) - 1;
    return NotFound;
  }

  char *urlStr = TSUrlStringGet(nullptr, urlLoc, &urlStrLen);

  // Be defensive.
  if ((urlStrLen == 0) and urlStr) {
    TSError("[xdebug] non-null remap URL string with zero length");
    TSfree(urlStr);
    urlStr = nullptr;
  }

  if (!urlStr) {
    urlStrLen = sizeof(NotFound) - 1;
    return NotFound;
  }

  return urlStr;
}

static void
InjectRemapHeader(TSHttpTxn txn, TSMBuffer buffer, TSMLoc hdr)