easy: fix compiler warning: end-of-loop code not reached

lib/easy.c

@@ -626,123 +626,117 @@ CURLcode curl_easy_getinfo(CURL *curl, CURLINFO info, ...)
  */
 CURL *curl_easy_duphandle(CURL *incurl)
 {
-  bool fail = TRUE;
   struct SessionHandle *data=(struct SessionHandle *)incurl;
 
   struct SessionHandle *outcurl = calloc(1, sizeof(struct SessionHandle));
-
   if(NULL == outcurl)
-    return NULL; /* failure */
-
-  for(;;) {
+    goto fail;
 
-    /*
-     * We setup a few buffers we need. We should probably make them
-     * get setup on-demand in the code, as that would probably decrease
-     * the likeliness of us forgetting to init a buffer here in the future.
-     */
-    outcurl->state.headerbuff = malloc(HEADERSIZE);
-    if(!outcurl->state.headerbuff)
-      break;
-    outcurl->state.headersize = HEADERSIZE;
+  /*
+   * We setup a few buffers we need. We should probably make them
+   * get setup on-demand in the code, as that would probably decrease
+   * the likeliness of us forgetting to init a buffer here in the future.
+   */
+  outcurl->state.headerbuff = malloc(HEADERSIZE);
+  if(!outcurl->state.headerbuff)
+    goto fail;
+  outcurl->state.headersize = HEADERSIZE;
 
-    /* copy all userdefined values */
-    if(Curl_dupset(outcurl, data) != CURLE_OK)
-      break;
+  /* copy all userdefined values */
+  if(Curl_dupset(outcurl, data) != CURLE_OK)
+    goto fail;
 
-    /* the connection cache is setup on demand */
-    outcurl->state.connc = NULL;
+  /* the connection cache is setup on demand */
+  outcurl->state.connc = NULL;
 
-    outcurl->state.lastconnect = -1;
+  outcurl->state.lastconnect = -1;
 
-    outcurl->progress.flags    = data->progress.flags;
-    outcurl->progress.callback = data->progress.callback;
+  outcurl->progress.flags    = data->progress.flags;
+  outcurl->progress.callback = data->progress.callback;
 
 #if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
-    if(data->cookies) {
-      /* If cookies are enabled in the parent handle, we enable them
-         in the clone as well! */
-      outcurl->cookies = Curl_cookie_init(data,
-                                          data->cookies->filename,
-                                          outcurl->cookies,
-                                          data->set.cookiesession);
-      if(!outcurl->cookies)
-        break;
-    }
+  if(data->cookies) {
+    /* If cookies are enabled in the parent handle, we enable them
+       in the clone as well! */
+    outcurl->cookies = Curl_cookie_init(data,
+                                        data->cookies->filename,
+                                        outcurl->cookies,
+                                        data->set.cookiesession);
+    if(!outcurl->cookies)
+      goto fail;
+  }
 #endif   /* CURL_DISABLE_HTTP */
 
-    /* duplicate all values in 'change' */
+  /* duplicate all values in 'change' */
 
 #if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
-    if(data->change.cookielist) {
-      outcurl->change.cookielist =
-        Curl_slist_duplicate(data->change.cookielist);
-
-      if (!outcurl->change.cookielist)
-        break;
-    }
+  if(data->change.cookielist) {
+    outcurl->change.cookielist =
+      Curl_slist_duplicate(data->change.cookielist);
+    if(!outcurl->change.cookielist)
+      goto fail;
+  }
 #endif   /* CURL_DISABLE_HTTP */
 
-    if(data->change.url) {
-      outcurl->change.url = strdup(data->change.url);
-      if(!outcurl->change.url)
-        break;
-      outcurl->change.url_alloc = TRUE;
-    }
+  if(data->change.url) {
+    outcurl->change.url = strdup(data->change.url);
+    if(!outcurl->change.url)
+      goto fail;
+    outcurl->change.url_alloc = TRUE;
+  }
 
-    if(data->change.referer) {
-      outcurl->change.referer = strdup(data->change.referer);
-      if(!outcurl->change.referer)
-        break;
-      outcurl->change.referer_alloc = TRUE;
-    }
+  if(data->change.referer) {
+    outcurl->change.referer = strdup(data->change.referer);
+    if(!outcurl->change.referer)
+      goto fail;
+    outcurl->change.referer_alloc = TRUE;
+  }
 
 #ifdef USE_ARES
-    /* If we use ares, we clone the ares channel for the new handle */
-    if(ARES_SUCCESS != ares_dup(&outcurl->state.areschannel,
-                                data->state.areschannel))
-      break;
+  /* If we use ares, we clone the ares channel for the new handle */
+  if(ARES_SUCCESS != ares_dup(&outcurl->state.areschannel,
+                              data->state.areschannel))
+    goto fail;
 #endif
 
 #if defined(CURL_DOES_CONVERSIONS) && defined(HAVE_ICONV)
-    outcurl->inbound_cd = iconv_open(CURL_ICONV_CODESET_OF_HOST,
-                                     CURL_ICONV_CODESET_OF_NETWORK);
-    outcurl->outbound_cd = iconv_open(CURL_ICONV_CODESET_OF_NETWORK,
-                                      CURL_ICONV_CODESET_OF_HOST);
-    outcurl->utf8_cd = iconv_open(CURL_ICONV_CODESET_OF_HOST,
-                                  CURL_ICONV_CODESET_FOR_UTF8);
+  outcurl->inbound_cd = iconv_open(CURL_ICONV_CODESET_OF_HOST,
+                                   CURL_ICONV_CODESET_OF_NETWORK);
+  outcurl->outbound_cd = iconv_open(CURL_ICONV_CODESET_OF_NETWORK,
+                                    CURL_ICONV_CODESET_OF_HOST);
+  outcurl->utf8_cd = iconv_open(CURL_ICONV_CODESET_OF_HOST,
+                                CURL_ICONV_CODESET_FOR_UTF8);
 #endif
 
-    Curl_easy_initHandleData(outcurl);
+  Curl_easy_initHandleData(outcurl);
 
-    outcurl->magic = CURLEASY_MAGIC_NUMBER;
+  outcurl->magic = CURLEASY_MAGIC_NUMBER;
 
-    fail = FALSE; /* we reach this point and thus we are OK */
-    break;
-  }
+  /* we reach this point and thus we are OK */
+
+  return outcurl;
 
-  if(fail) {
-    if(outcurl) {
-      if(outcurl->state.connc &&
-         (outcurl->state.connc->type == CONNCACHE_PRIVATE))
-        Curl_rm_connc(outcurl->state.connc);
-      if(outcurl->state.headerbuff)
-        free(outcurl->state.headerbuff);
+  fail:
+
+  if(outcurl) {
+    if(outcurl->state.connc &&
+       (outcurl->state.connc->type == CONNCACHE_PRIVATE))
+      Curl_rm_connc(outcurl->state.connc);
+    if(outcurl->state.headerbuff)
+      free(outcurl->state.headerbuff);
 #if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
-      if(outcurl->change.cookielist)
-        curl_slist_free_all(outcurl->change.cookielist);
+    if(outcurl->change.cookielist)
+      curl_slist_free_all(outcurl->change.cookielist);
 #endif
-      if(outcurl->change.url)
-        free(outcurl->change.url);
-      if(outcurl->change.referer)
-        free(outcurl->change.referer);
-      Curl_freeset(outcurl);
-      free(outcurl); /* free the memory again */
-      outcurl = NULL;
-    }
+    if(outcurl->change.url)
+      free(outcurl->change.url);
+    if(outcurl->change.referer)
+      free(outcurl->change.referer);
+    Curl_freeset(outcurl);
+    free(outcurl);
   }
 
-  return outcurl;
+  return NULL;
 }
 
 /*