Imported Upstream version 7.53.1

[platform/upstream/curl.git] / docs / examples / htmltitle.cpp

diff --git a/docs/examples/htmltitle.cpp b/docs/examples/htmltitle.cpp
index 5e6b4a0..8148888 100644 (file)
--- a/docs/examples/htmltitle.cpp
+++ b/docs/examples/htmltitle.cpp
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, 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
@@ -22,14 +22,14 @@
 /* <DESC>
  * Get a web page, extract the title with libxml.
  * </DESC>
- */
-// Written by Lars Nilsson
-//
-// GNU C++ compile command line suggestion (edit paths accordingly):
-//
-// g++ -Wall -I/opt/curl/include -I/opt/libxml/include/libxml2 htmltitle.cpp \
-// -o htmltitle -L/opt/curl/lib -L/opt/libxml/lib -lcurl -lxml2
 
+ Written by Lars Nilsson
+
+ GNU C++ compile command line suggestion (edit paths accordingly):
+
+ g++ -Wall -I/opt/curl/include -I/opt/libxml/include/libxml2 htmltitle.cpp \
+ -o htmltitle -L/opt/curl/lib -L/opt/libxml/lib -lcurl -lxml2
+*/
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
@@ -72,7 +72,7 @@ static std::string buffer;
 static int writer(char *data, size_t size, size_t nmemb,
                   std::string *writerData)
 {
-  if (writerData == NULL)
+  if(writerData == NULL)
     return 0;
 
   writerData->append(data, size*nmemb);
@@ -90,50 +90,38 @@ static bool init(CURL *&conn, char *url)
 
   conn = curl_easy_init();
 
-  if (conn == NULL)
-  {
+  if(conn == NULL) {
     fprintf(stderr, "Failed to create CURL connection\n");
-
     exit(EXIT_FAILURE);
   }
 
   code = curl_easy_setopt(conn, CURLOPT_ERRORBUFFER, errorBuffer);
-  if (code != CURLE_OK)
-  {
+  if(code != CURLE_OK) {
     fprintf(stderr, "Failed to set error buffer [%d]\n", code);
-
     return false;
   }
 
   code = curl_easy_setopt(conn, CURLOPT_URL, url);
-  if (code != CURLE_OK)
-  {
+  if(code != CURLE_OK) {
     fprintf(stderr, "Failed to set URL [%s]\n", errorBuffer);
-
     return false;
   }
 
   code = curl_easy_setopt(conn, CURLOPT_FOLLOWLOCATION, 1L);
-  if (code != CURLE_OK)
-  {
+  if(code != CURLE_OK) {
     fprintf(stderr, "Failed to set redirect option [%s]\n", errorBuffer);
-
     return false;
   }
 
   code = curl_easy_setopt(conn, CURLOPT_WRITEFUNCTION, writer);
-  if (code != CURLE_OK)
-  {
+  if(code != CURLE_OK) {
     fprintf(stderr, "Failed to set writer [%s]\n", errorBuffer);
-
     return false;
   }
 
   code = curl_easy_setopt(conn, CURLOPT_WRITEDATA, &buffer);
-  if (code != CURLE_OK)
-  {
+  if(code != CURLE_OK) {
     fprintf(stderr, "Failed to set write data [%s]\n", errorBuffer);
-
     return false;
   }
 
@@ -150,8 +138,7 @@ static void StartElement(void *voidContext,
 {
   Context *context = (Context *)voidContext;
 
-  if (COMPARE((char *)name, "TITLE"))
-  {
+  if(COMPARE((char *)name, "TITLE")) {
     context->title = "";
     context->addTitle = true;
   }
@@ -167,7 +154,7 @@ static void EndElement(void *voidContext,
 {
   Context *context = (Context *)voidContext;
 
-  if (COMPARE((char *)name, "TITLE"))
+  if(COMPARE((char *)name, "TITLE"))
     context->addTitle = false;
 }
 
@@ -179,7 +166,7 @@ static void handleCharacters(Context *context,
                              const xmlChar *chars,
                              int length)
 {
-  if (context->addTitle)
+  if(context->addTitle)
     context->title.append((char *)chars, length);
 }
 
@@ -273,10 +260,8 @@ int main(int argc, char *argv[])
 
   // Ensure one argument is given
 
-  if (argc != 2)
-  {
+  if(argc != 2) {
     fprintf(stderr, "Usage: %s <url>\n", argv[0]);
-
     exit(EXIT_FAILURE);
   }
 
@@ -284,10 +269,8 @@ int main(int argc, char *argv[])
 
   // Initialize CURL connection
 
-  if (!init(conn, argv[1]))
-  {
+  if(!init(conn, argv[1])) {
     fprintf(stderr, "Connection initializion failed\n");
-
     exit(EXIT_FAILURE);
   }
 
@@ -296,19 +279,15 @@ int main(int argc, char *argv[])
   code = curl_easy_perform(conn);
   curl_easy_cleanup(conn);
 
-  if (code != CURLE_OK)
-  {
+  if(code != CURLE_OK) {
     fprintf(stderr, "Failed to get '%s' [%s]\n", argv[1], errorBuffer);
-
     exit(EXIT_FAILURE);
   }
 
   // Parse the (assumed) HTML code
-
   parseHtml(buffer, title);
 
   // Display the extracted title
-
   printf("Title: %s\n", title.c_str());
 
   return EXIT_SUCCESS;