Revert "Correct test socket_sigio"

This reverts commit b812918.

Author: adbridge

TESTS/netsocket/socket_sigio/main.cpp

@@ -67,17 +67,16 @@ bool find_substring(const char *first, const char *last, const char *s_first, co
 void get_data(TCPSocket* sock){
     bool result = false;
     // Server will respond with HTTP GET's success code
-    int len = 0;
-    int ret;
-    while((ret = sock->recv(buffer+len, sizeof(buffer) - 1 - len)) > 0) {
-      len += ret;
-    }
-    buffer[len] = '\0';
+    const int ret = sock->recv(buffer, sizeof(buffer) - 1);
+    if(ret <= 0)
+        return;
+
+    buffer[ret] = '\0';
 
     // Find 200 OK HTTP status in reply
-    bool found_200_ok = find_substring(buffer, buffer + len, HTTP_OK_STR, HTTP_OK_STR + strlen(HTTP_OK_STR));
+    bool found_200_ok = find_substring(buffer, buffer + ret, HTTP_OK_STR, HTTP_OK_STR + strlen(HTTP_OK_STR));
     // Find "Hello World!" string in reply
-    bool found_hello = find_substring(buffer, buffer + len, HTTP_HELLO_STR, HTTP_HELLO_STR + strlen(HTTP_HELLO_STR));
+    bool found_hello = find_substring(buffer, buffer + ret, HTTP_HELLO_STR, HTTP_HELLO_STR + strlen(HTTP_HELLO_STR));
 
     TEST_ASSERT_TRUE(found_200_ok);
     TEST_ASSERT_TRUE(found_hello);
@@ -86,7 +85,7 @@ void get_data(TCPSocket* sock){
 
     TEST_ASSERT_EQUAL(result, true);
 
-    printf("HTTP: Received %d chars from server\r\n", len);
+    printf("HTTP: Received %d chars from server\r\n", ret);
     printf("HTTP: Received 200 OK status ... %s\r\n", found_200_ok ? "[OK]" : "[FAIL]");
     printf("HTTP: Received '%s' status ... %s\r\n", HTTP_HELLO_STR, found_hello ? "[OK]" : "[FAIL]");
     printf("HTTP: Received message:\r\n");