Improve these comments a bit.

[nmh] / sbr / oauth.c

diff --git a/sbr/oauth.c b/sbr/oauth.c
old mode 100644 (file)
new mode 100755 (executable)
index 85fe714..0cc95e4
--- a/sbr/oauth.c
+++ b/sbr/oauth.c
@@ -26,13 +26,13 @@
 
 #define JSON_TYPE "application/json"
 
-/* We pretend access tokens expire 30 seconds earlier than they actually do to
+/* We pretend access tokens expire 60 seconds earlier than they actually do to
  * allow for separate processes to use and refresh access tokens.  The process
  * that uses the access token (post) has an error if the token is expired; the
  * process that refreshes the access token (send) must have already refreshed if
  * the expiration is close.
  *
- * 30s is arbitrary, and hopefully is enough to allow for clock skew.
+ * 60s is arbitrary, and hopefully is enough to allow for clock skew.
  * Currently only Gmail supports XOAUTH2, and seems to always use a token
  * life-time of 3600s, but that is not guaranteed.  It is possible for Gmail to
  * issue an access token with a life-time so short that even after send
@@ -44,7 +44,7 @@
  * (not counting header and not null-terminated) */
 #define RESPONSE_BODY_MAX 8192
 
-/* Maxium size for URLs and URI-encoded query strings, null-terminated.
+/* Maximum size for URLs and URI-encoded query strings, null-terminated.
  *
  * Actual maximum we need is based on the size of tokens (limited by
  * RESPONSE_BODY_MAX), code user copies from a web page (arbitrarily large), and
@@ -956,6 +956,14 @@ post(struct curl_ctx *ctx, const char *url, const char *req_body)
     curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
     curl_easy_setopt(curl, CURLOPT_WRITEDATA, ctx);
 
+    if (strncmp(url, "http://127.0.0.1:", 17) == 0) {
+        /* Hack:  on Cygwin, curl doesn't fail to connect with ECONNREFUSED.
+           Instead, it waits to timeout.  So set a really short timeout, but
+           just on localhost (for convenience of the user, and the test
+           suite). */
+        curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 2L);
+    }
+
     status = curl_easy_perform(curl);
     /* first check for error from callback */
     if (ctx->too_big) {