Imported Upstream version 7.48.0

[platform/upstream/curl.git] / docs / examples / threaded-ssl.c

diff --git a/docs/examples/threaded-ssl.c b/docs/examples/threaded-ssl.c
index a7e9c2d..5f1d9b9 100644 (file)
--- a/docs/examples/threaded-ssl.c
+++ b/docs/examples/threaded-ssl.c
@@ -5,11 +5,11 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
+ * are also available at https://curl.haxx.se/docs/copyright.html.
  *
  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
  * copies of the Software, and permit persons to whom the Software is
@@ -19,14 +19,19 @@
  * KIND, either express or implied.
  *
  ***************************************************************************/
+/* <DESC>
+ * Show the required mutex callback setups for GnuTLS and OpenSSL when using
+ * libcurl multi-threaded.
+ * </DESC>
+ */
 /* A multi-threaded example that uses pthreads and fetches 4 remote files at
  * once over HTTPS. The lock callbacks and stuff assume OpenSSL or GnuTLS
  * (libgcrypt) so far.
  *
  * OpenSSL docs for this:
- *   http://www.openssl.org/docs/crypto/threads.html
+ *   https://www.openssl.org/docs/crypto/threads.html
  * gcrypt docs for this:
- *   http://gnupg.org/documentation/manuals/gcrypt/Multi_002dThreading.html
+ *   https://gnupg.org/documentation/manuals/gcrypt/Multi_002dThreading.html
  */
 
 #define USE_OPENSSL /* or USE_GNUTLS accordingly */
@@ -46,7 +51,7 @@ static void lock_callback(int mode, int type, char *file, int line)
 {
   (void)file;
   (void)line;
-  if (mode & CRYPTO_LOCK) {
+  if(mode & CRYPTO_LOCK) {
     pthread_mutex_lock(&(lockarray[type]));
   }
   else {
@@ -59,7 +64,7 @@ static unsigned long thread_id(void)
   unsigned long ret;
 
   ret=(unsigned long)pthread_self();
-  return(ret);
+  return ret;
 }
 
 static void init_locks(void)
@@ -68,8 +73,8 @@ static void init_locks(void)
 
   lockarray=(pthread_mutex_t *)OPENSSL_malloc(CRYPTO_num_locks() *
                                             sizeof(pthread_mutex_t));
-  for (i=0; i<CRYPTO_num_locks(); i++) {
-    pthread_mutex_init(&(lockarray[i]),NULL);
+  for(i=0; i<CRYPTO_num_locks(); i++) {
+    pthread_mutex_init(&(lockarray[i]), NULL);
   }
 
   CRYPTO_set_id_callback((unsigned long (*)())thread_id);
@@ -81,7 +86,7 @@ static void kill_locks(void)
   int i;
 
   CRYPTO_set_locking_callback(NULL);
-  for (i=0; i<CRYPTO_num_locks(); i++)
+  for(i=0; i<CRYPTO_num_locks(); i++)
     pthread_mutex_destroy(&(lockarray[i]));
 
   OPENSSL_free(lockarray);