-/*
+/* oauth_prof.c -- OAuth 2.0 implementation for XOAUTH2 in SMTP and POP3.
+ *
* This code is Copyright (c) 2014, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
* complete copyright information.
free(component);
if (result == NULL) {
- result = mh_xmalloc(sizeof "oauth-" - 1
- + strlen(svc)
- + 1 /* '\0' */);
- sprintf(result, "oauth-%s", svc);
+ result = concat("oauth-", svc, NULL);
result_if_allocated = result;
} else {
result_if_allocated = NULL;