Revert "Update to 7.40.1"

[platform/upstream/curl.git] / docs / examples / imap-multi.c

diff --git a/docs/examples/imap-multi.c b/docs/examples/imap-multi.c
index c7dc130..601205a 100644 (file)
--- a/docs/examples/imap-multi.c
+++ b/docs/examples/imap-multi.c
@@ -88,7 +88,6 @@ int main(void)
     fd_set fdexcep;
     int maxfd = -1;
     int rc;
-    CURLMcode mc; /* curl_multi_fdset() return code */
 
     long curl_timeo = -1;
 
@@ -110,36 +109,15 @@ int main(void)
         timeout.tv_usec = (curl_timeo % 1000) * 1000;
     }
 
-    /* get file descriptors from the transfers */
-    mc = curl_multi_fdset(mcurl, &fdread, &fdwrite, &fdexcep, &maxfd);
+    /* Get file descriptors from the transfers */
+    curl_multi_fdset(mcurl, &fdread, &fdwrite, &fdexcep, &maxfd);
 
-    if(mc != CURLM_OK)
-    {
-      fprintf(stderr, "curl_multi_fdset() failed, code %d.\n", mc);
-      break;
-    }
-
-    /* On success the value of maxfd is guaranteed to be >= -1. We call
-       select(maxfd + 1, ...); specially in case of (maxfd == -1) there are
-       no fds ready yet so we call select(0, ...) --or Sleep() on Windows--
-       to sleep 100ms, which is the minimum suggested value in the
-       curl_multi_fdset() doc. */
-
-    if(maxfd == -1) {
-#ifdef _WIN32
-      Sleep(100);
-      rc = 0;
-#else
-      /* Portable sleep for platforms other than Windows. */
-      struct timeval wait = { 0, 100 * 1000 }; /* 100ms */
-      rc = select(0, NULL, NULL, NULL, &wait);
-#endif
-    }
-    else {
-      /* Note that on some platforms 'timeout' may be modified by select().
-         If you need access to the original value save a copy beforehand. */
-      rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
-    }
+    /* In a real-world program you OF COURSE check the return code of the
+       function calls.  On success, the value of maxfd is guaranteed to be
+       greater or equal than -1.  We call select(maxfd + 1, ...), specially in
+       case of (maxfd == -1), we call select(0, ...), which is basically equal
+       to sleep. */
+    rc = select(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
 
     if(tvdiff(tvnow(), mp_start) > MULTI_PERFORM_HANG_TIMEOUT) {
       fprintf(stderr,