libtests: stop checking for CURLM_CALL_MULTI_PERFORM

CURLM_CALL_MULTI_PERFORM stopped being a valid return code from
curl_multi_perform back in 7.20.0. All the libcurl tests are ajusted to
this and no longer check for this return code. Makes them simpler.

tests/libtest/lib503.c

@@ -103,7 +103,6 @@ int test(char *URL)
     mp_timedout = FALSE;
     mp_start = tutil_tvnow();
 
-    while (res == CURLM_CALL_MULTI_PERFORM) {
     res = (int)curl_multi_perform(m, &running);
     if (tutil_tvdiff(tutil_tvnow(), mp_start) >
         MULTI_PERFORM_HANG_TIMEOUT) {
@@ -114,7 +113,7 @@ int test(char *URL)
       done = TRUE;
       break;
     }
-    }
+
     if (mp_timedout || done)
       break;
 
@@ -140,7 +139,6 @@ int test(char *URL)
       break;
     }
 
-    res = CURLM_CALL_MULTI_PERFORM;
   }
 
   if (ml_timedout || mp_timedout) {

tests/libtest/lib504.c

@@ -106,16 +106,12 @@ int test(char *URL)
 
     fprintf(stderr, "curl_multi_perform()\n");
 
-    ret = CURLM_CALL_MULTI_PERFORM;
-
-    while (ret == CURLM_CALL_MULTI_PERFORM) {
     ret = curl_multi_perform(m, &running);
     if (tutil_tvdiff(tutil_tvnow(), mp_start) >
         MULTI_PERFORM_HANG_TIMEOUT) {
       mp_timedout = TRUE;
       break;
     }
-    }
     if (mp_timedout)
       break;
 

tests/libtest/lib507.c

@@ -75,14 +75,10 @@ int test(char *URL)
   mp_timedout = FALSE;
   mp_start = tutil_tvnow();
 
-  do {
   ret = curl_multi_perform(multi, &still_running);
   if (tutil_tvdiff(tutil_tvnow(), mp_start) >
-        MULTI_PERFORM_HANG_TIMEOUT) {
+      MULTI_PERFORM_HANG_TIMEOUT)
     mp_timedout = TRUE;
-      break;
-    }
-  } while (ret == CURLM_CALL_MULTI_PERFORM);
 
   ml_timedout = FALSE;
   ml_start = tutil_tvnow();
@@ -116,20 +112,18 @@ int test(char *URL)
       default:
         mp_timedout = FALSE;
         mp_start = tutil_tvnow();
-        do {
         ret = curl_multi_perform(multi, &still_running);
         if (tutil_tvdiff(tutil_tvnow(), mp_start) >
-              MULTI_PERFORM_HANG_TIMEOUT) {
+            MULTI_PERFORM_HANG_TIMEOUT)
           mp_timedout = TRUE;
         break;
     }
-        } while (ret == CURLM_CALL_MULTI_PERFORM);
-        break;
-    }
   }
   if (ml_timedout || mp_timedout) {
-    if (ml_timedout) fprintf(stderr, "ml_timedout\n");
-    if (mp_timedout) fprintf(stderr, "mp_timedout\n");
+    if (ml_timedout)
+      fprintf(stderr, "ml_timedout\n");
+    if (mp_timedout)
+      fprintf(stderr, "mp_timedout\n");
     fprintf(stderr, "ABORTING TEST, since it seems "
             "that it would have run forever.\n");
     i = TEST_ERR_RUNS_FOREVER;

tests/libtest/lib525.c

@@ -151,7 +151,6 @@ int test(char *URL)
     mp_timedout = FALSE;
     mp_start = tutil_tvnow();
 
-    while (res == CURLM_CALL_MULTI_PERFORM) {
     res = (int)curl_multi_perform(m, &running);
     if (tutil_tvdiff(tutil_tvnow(), mp_start) >
         MULTI_PERFORM_HANG_TIMEOUT) {
@@ -162,9 +161,6 @@ int test(char *URL)
       done = TRUE;
       break;
     }
-    }
-    if (mp_timedout || done)
-      break;
 
     if (res != CURLM_OK) {
       fprintf(stderr, "not okay???\n");

tests/libtest/lib526.c

@@ -149,7 +149,6 @@ int test(char *URL)
     mp_timedout = FALSE;
     mp_start = tutil_tvnow();
 
-    while (res == CURLM_CALL_MULTI_PERFORM) {
     res = (int)curl_multi_perform(m, &running);
     if (tutil_tvdiff(tutil_tvnow(), mp_start) >
         MULTI_PERFORM_HANG_TIMEOUT) {
@@ -186,13 +185,11 @@ int test(char *URL)
           break;
         }
       }
-        else
+      else {
         done = TRUE; /* bail out */
         break;
       }
     }
-    if (mp_timedout || done)
-      break;
 
     if (res != CURLM_OK) {
       fprintf(stderr, "not okay???\n");
@@ -215,8 +212,6 @@ int test(char *URL)
       res = 195;
       break;
     }
-
-    res = CURLM_CALL_MULTI_PERFORM;
   }
 
   if (ml_timedout || mp_timedout) {

tests/libtest/lib530.c

@@ -161,7 +161,6 @@ int test(char *URL)
     mp_timedout = FALSE;
     mp_start = tutil_tvnow();
 
-    while (res == CURLM_CALL_MULTI_PERFORM) {
     res = (int)curl_multi_perform(m, &running);
     if (tutil_tvdiff(tutil_tvnow(), mp_start) >
         MULTI_PERFORM_HANG_TIMEOUT) {
@@ -172,9 +171,6 @@ int test(char *URL)
       done = TRUE; /* bail out */
       break;
     }
-    }
-    if (mp_timedout || done)
-      break;
 
     if (res != CURLM_OK) {
       fprintf(stderr, "not okay???\n");

tests/libtest/lib533.c

@@ -99,7 +99,6 @@ int test(char *URL)
     mp_timedout = FALSE;
     mp_start = tutil_tvnow();
 
-    while (res == CURLM_CALL_MULTI_PERFORM) {
     res = (int)curl_multi_perform(m, &running);
     if (tutil_tvdiff(tutil_tvnow(), mp_start) >
         MULTI_PERFORM_HANG_TIMEOUT) {
@@ -127,13 +126,11 @@ int test(char *URL)
           break;
         }
       }
-        else
+      else {
         done = TRUE; /* bail out */
         break;
       }
     }
-    if (mp_timedout || done)
-      break;
 
     if (res != CURLM_OK) {
       fprintf(stderr, "not okay???\n");

tests/libtest/lib536.c

@@ -59,8 +59,6 @@ static CURLMcode perform(CURLM * multi)
     switch (code) {
       case CURLM_OK:
         break;
-      case CURLM_CALL_MULTI_PERFORM:
-        continue;
       default:
         return code;
     }

tests/libtest/lib540.c

@@ -87,9 +87,7 @@ static int loop(CURLM *cm, const char* url, const char* userpwd,
 
   while (U) {
 
-    do {
     code = curl_multi_perform(cm, &U);
-    } while (code == CURLM_CALL_MULTI_PERFORM);
 
     if (U) {
       FD_ZERO(&R);

tests/libtest/lib560.c

@@ -63,9 +63,7 @@ int test(char *URL)
   curl_multi_add_handle(multi_handle, http_handle);
 
   /* we start some action by calling perform right away */
-  do {
   code = curl_multi_perform(multi_handle, &still_running);
-  } while(code == CURLM_CALL_MULTI_PERFORM);
 
   while(still_running) {
     struct timeval timeout;
@@ -100,9 +98,7 @@ int test(char *URL)
     case 0:
     default:
       /* timeout or readable/writable sockets */
-      do {
       code = curl_multi_perform(multi_handle, &still_running);
-      } while(code == CURLM_CALL_MULTI_PERFORM);
       break;
     }
   }

tests/libtest/lib564.c

@@ -98,7 +98,6 @@ int test(char *URL)
     mp_timedout = FALSE;
     mp_start = tutil_tvnow();
 
-    while (res == CURLM_CALL_MULTI_PERFORM) {
     res = (int)curl_multi_perform(m, &running);
     if (tutil_tvdiff(tutil_tvnow(), mp_start) >
         MULTI_PERFORM_HANG_TIMEOUT) {
@@ -109,9 +108,6 @@ int test(char *URL)
       done = TRUE; /* bail out */
       break;
     }
-    }
-    if (mp_timedout || done)
-      break;
 
     if (res != CURLM_OK) {
       fprintf(stderr, "not okay???\n");
@@ -134,8 +130,6 @@ int test(char *URL)
       res = 195;
       break;
     }
-
-    res = CURLM_CALL_MULTI_PERFORM;
   }
 
   if (ml_timedout || mp_timedout) {

tests/libtest/lib575.c

@@ -81,8 +81,7 @@ int test(char *URL)
 
   curl_multi_add_handle(mhandle, handle);
 
-  while(CURLM_CALL_MULTI_PERFORM ==
-        curl_multi_perform(mhandle, &still_running));
+  curl_multi_perform(mhandle, &still_running);
 
   while(still_running) {
     static struct timeval timeout = /* 100 ms */ { 0, 100000L };
@@ -108,8 +107,7 @@ int test(char *URL)
       goto test_cleanup;
     }
     else {
-      while(CURLM_CALL_MULTI_PERFORM ==
-          curl_multi_perform(mhandle, &still_running));
+      curl_multi_perform(mhandle, &still_running);
     }
   }
 

tests/libtest/lib582.c

@@ -182,8 +182,7 @@ static void notifyCurl(CURL* curl, curl_socket_t s, int evBitmask,
 {
   int numhandles = 0;
   CURLMcode result = curl_multi_socket_action(curl, s, evBitmask, &numhandles);
-  if (result != CURLM_OK && result != CURLM_CALL_MULTI_PERFORM)
-  {
+  if (result != CURLM_OK) {
     fprintf(stderr, "Curl error on %s: %i (%s)\n",
             info, result, curl_multi_strerror(result));
   }
@@ -196,10 +195,8 @@ static void checkFdSet(CURL* curl, struct Sockets* sockets, fd_set* fdset,
                        int evBitmask, const char* name)
 {
   int i;
-  for (i = 0; i < sockets->count; ++i)
-  {
-    if (FD_ISSET(sockets->sockets[i], fdset))
-    {
+  for (i = 0; i < sockets->count; ++i) {
+    if (FD_ISSET(sockets->sockets[i], fdset)) {
       notifyCurl(curl, sockets->sockets[i], evBitmask, name);
     }
   }