diff --git a/docs/examples/asiohiper.cpp b/docs/examples/asiohiper.cpp index fe1d20a43..ced4ef419 100644 --- a/docs/examples/asiohiper.cpp +++ b/docs/examples/asiohiper.cpp @@ -40,8 +40,8 @@ * Note: * For the sake of simplicity, URL is hard coded to "www.google.com" * - * This is purely a demo app, all retrieved data is simply discarded by the write - * callback. + * This is purely a demo app, all retrieved data is simply discarded by the + * write callback. */ @@ -85,14 +85,12 @@ static int multi_timer_cb(CURLM *multi, long timeout_ms, GlobalInfo *g) /* cancel running timer */ timer.cancel(); - if(timeout_ms > 0) - { + if(timeout_ms > 0) { /* update timer */ timer.expires_from_now(boost::posix_time::millisec(timeout_ms)); timer.async_wait(boost::bind(&timer_cb, _1, g)); } - else - { + else { /* call timeout function immediately */ boost::system::error_code error; /*success*/ timer_cb(error, g); @@ -104,11 +102,9 @@ static int multi_timer_cb(CURLM *multi, long timeout_ms, GlobalInfo *g) /* Die if we get a bad CURLMcode somewhere */ static void mcode_or_die(const char *where, CURLMcode code) { - if(CURLM_OK != code) - { + if(CURLM_OK != code) { const char *s; - switch(code) - { + switch(code) { case CURLM_CALL_MULTI_PERFORM: s = "CURLM_CALL_MULTI_PERFORM"; break; @@ -158,10 +154,8 @@ static void check_multi_info(GlobalInfo *g) fprintf(MSG_OUT, "\nREMAINING: %d", g->still_running); - while((msg = curl_multi_info_read(g->multi, &msgs_left))) - { - if(msg->msg == CURLMSG_DONE) - { + while((msg = curl_multi_info_read(g->multi, &msgs_left))) { + if(msg->msg == CURLMSG_DONE) { easy = msg->easy_handle; res = msg->data.result; curl_easy_getinfo(easy, CURLINFO_PRIVATE, &conn); @@ -177,43 +171,41 @@ static void check_multi_info(GlobalInfo *g) /* Called by asio when there is an action on a socket */ static void event_cb(GlobalInfo *g, boost::asio::ip::tcp::socket *tcp_socket, - int action, const boost::system::error_code & error, int *fdp) + int action, const boost::system::error_code & error, + int *fdp) { fprintf(MSG_OUT, "\nevent_cb: action=%d", action); /* make sure the event matches what are wanted */ - if(*fdp == action || *fdp == CURL_POLL_INOUT) - { + if(*fdp == action || *fdp == CURL_POLL_INOUT) { curl_socket_t s = tcp_socket->native_handle(); CURLMcode rc; if(error) action = CURL_CSELECT_ERR; rc = curl_multi_socket_action(g->multi, s, action, &g->still_running); - + mcode_or_die("event_cb: curl_multi_socket_action", rc); check_multi_info(g); - - if(g->still_running <= 0) - { + + if(g->still_running <= 0) { fprintf(MSG_OUT, "\nlast transfer done, kill timeout"); timer.cancel(); } - + /* keep on watching. * the socket may have been closed and/or fdp may have been changed * in curl_multi_socket_action(), so check them both */ if(!error && socket_map.find(s) != socket_map.end() && - (*fdp == action || *fdp == CURL_POLL_INOUT)) - { - if(action == CURL_POLL_IN) - { + (*fdp == action || *fdp == CURL_POLL_INOUT)) { + if(action == CURL_POLL_IN) { tcp_socket->async_read_some(boost::asio::null_buffers(), - boost::bind(&event_cb, g, tcp_socket, action, _1, fdp)); + boost::bind(&event_cb, g, tcp_socket, + action, _1, fdp)); } - if(action == CURL_POLL_OUT) - { + if(action == CURL_POLL_OUT) { tcp_socket->async_write_some(boost::asio::null_buffers(), - boost::bind(&event_cb, g, tcp_socket, action, _1, fdp)); + boost::bind(&event_cb, g, tcp_socket, + action, _1, fdp)); } } } @@ -222,12 +214,12 @@ static void event_cb(GlobalInfo *g, boost::asio::ip::tcp::socket *tcp_socket, /* Called by asio when our timeout expires */ static void timer_cb(const boost::system::error_code & error, GlobalInfo *g) { - if(!error) - { + if(!error) { fprintf(MSG_OUT, "\ntimer_cb: "); CURLMcode rc; - rc = curl_multi_socket_action(g->multi, CURL_SOCKET_TIMEOUT, 0, &g->still_running); + rc = curl_multi_socket_action(g->multi, CURL_SOCKET_TIMEOUT, 0, + &g->still_running); mcode_or_die("timer_cb: curl_multi_socket_action", rc); check_multi_info(g); @@ -239,22 +231,21 @@ static void remsock(int *f, GlobalInfo *g) { fprintf(MSG_OUT, "\nremsock: "); - if(f) - { + if(f) { free(f); } } -static void setsock(int *fdp, curl_socket_t s, CURL*e, int act, int oldact, GlobalInfo*g) +static void setsock(int *fdp, curl_socket_t s, CURL *e, int act, int oldact, + GlobalInfo *g) { fprintf(MSG_OUT, "\nsetsock: socket=%d, act=%d, fdp=%p", s, act, fdp); - std::map::iterator it = socket_map.find(s); + std::map::iterator it = + socket_map.find(s); - if(it == socket_map.end()) - { + if(it == socket_map.end()) { fprintf(MSG_OUT, "\nsocket %d is a c-ares socket, ignoring", s); - return; } @@ -262,36 +253,33 @@ static void setsock(int *fdp, curl_socket_t s, CURL*e, int act, int oldact, Glob *fdp = act; - if(act == CURL_POLL_IN) - { + if(act == CURL_POLL_IN) { fprintf(MSG_OUT, "\nwatching for socket to become readable"); - if(oldact != CURL_POLL_IN && oldact != CURL_POLL_INOUT) - { + if(oldact != CURL_POLL_IN && oldact != CURL_POLL_INOUT) { tcp_socket->async_read_some(boost::asio::null_buffers(), - boost::bind(&event_cb, g, tcp_socket, CURL_POLL_IN, _1, fdp)); + boost::bind(&event_cb, g, tcp_socket, + CURL_POLL_IN, _1, fdp)); } } - else if (act == CURL_POLL_OUT) - { + else if(act == CURL_POLL_OUT) { fprintf(MSG_OUT, "\nwatching for socket to become writable"); - if(oldact != CURL_POLL_OUT && oldact != CURL_POLL_INOUT) - { + if(oldact != CURL_POLL_OUT && oldact != CURL_POLL_INOUT) { tcp_socket->async_write_some(boost::asio::null_buffers(), - boost::bind(&event_cb, g, tcp_socket, CURL_POLL_OUT, _1, fdp)); + boost::bind(&event_cb, g, tcp_socket, + CURL_POLL_OUT, _1, fdp)); } } - else if(act == CURL_POLL_INOUT) - { + else if(act == CURL_POLL_INOUT) { fprintf(MSG_OUT, "\nwatching for socket to become readable & writable"); - if(oldact != CURL_POLL_IN && oldact != CURL_POLL_INOUT) - { + if(oldact != CURL_POLL_IN && oldact != CURL_POLL_INOUT) { tcp_socket->async_read_some(boost::asio::null_buffers(), - boost::bind(&event_cb, g, tcp_socket, CURL_POLL_IN, _1, fdp)); + boost::bind(&event_cb, g, tcp_socket, + CURL_POLL_IN, _1, fdp)); } - if(oldact != CURL_POLL_OUT && oldact != CURL_POLL_INOUT) - { + if(oldact != CURL_POLL_OUT && oldact != CURL_POLL_INOUT) { tcp_socket->async_write_some(boost::asio::null_buffers(), - boost::bind(&event_cb, g, tcp_socket, CURL_POLL_OUT, _1, fdp)); + boost::bind(&event_cb, g, tcp_socket, + CURL_POLL_OUT, _1, fdp)); } } } @@ -317,20 +305,16 @@ static int sock_cb(CURL *e, curl_socket_t s, int what, void *cbp, void *sockp) fprintf(MSG_OUT, "\nsocket callback: s=%d e=%p what=%s ", s, e, whatstr[what]); - if(what == CURL_POLL_REMOVE) - { + if(what == CURL_POLL_REMOVE) { fprintf(MSG_OUT, "\n"); remsock(actionp, g); } - else - { - if(!actionp) - { + else { + if(!actionp) { fprintf(MSG_OUT, "\nAdding data: %s", whatstr[what]); addsock(s, e, what, g); } - else - { + else { fprintf(MSG_OUT, "\nChanging action from %s to %s", whatstr[*actionp], whatstr[what]); @@ -344,9 +328,8 @@ static int sock_cb(CURL *e, curl_socket_t s, int what, void *cbp, void *sockp) /* CURLOPT_WRITEFUNCTION */ static size_t write_cb(void *ptr, size_t size, size_t nmemb, void *data) { - size_t written = size * nmemb; - char* pBuffer = (char *) malloc(written + 1); + char *pBuffer = (char *)malloc(written + 1); strncpy(pBuffer, (const char *)ptr, written); pBuffer[written] = '\0'; @@ -382,28 +365,28 @@ static curl_socket_t opensocket(void *clientp, curlsocktype purpose, curl_socket_t sockfd = CURL_SOCKET_BAD; /* restrict to IPv4 */ - if(purpose == CURLSOCKTYPE_IPCXN && address->family == AF_INET) - { + if(purpose == CURLSOCKTYPE_IPCXN && address->family == AF_INET) { /* create a tcp socket object */ - boost::asio::ip::tcp::socket *tcp_socket = new boost::asio::ip::tcp::socket(io_service); + boost::asio::ip::tcp::socket *tcp_socket = + new boost::asio::ip::tcp::socket(io_service); /* open it and get the native handle*/ boost::system::error_code ec; tcp_socket->open(boost::asio::ip::tcp::v4(), ec); - if(ec) - { + if(ec) { /* An error occurred */ - std::cout << std::endl << "Couldn't open socket [" << ec << "][" << ec.message() << "]"; + std::cout << std::endl << "Couldn't open socket [" << ec << "][" << + ec.message() << "]"; fprintf(MSG_OUT, "\nERROR: Returning CURL_SOCKET_BAD to signal error"); } - else - { + else { sockfd = tcp_socket->native_handle(); fprintf(MSG_OUT, "\nOpened socket %d", sockfd); /* save it for monitoring */ - socket_map.insert(std::pair(sockfd, tcp_socket)); + socket_map.insert(std::pair(sockfd, tcp_socket)); } } @@ -415,10 +398,10 @@ static int close_socket(void *clientp, curl_socket_t item) { fprintf(MSG_OUT, "\nclose_socket : %d", item); - std::map::iterator it = socket_map.find(item); + std::map::iterator it = + socket_map.find(item); - if(it != socket_map.end()) - { + if(it != socket_map.end()) { delete it->second; socket_map.erase(it); } @@ -435,10 +418,8 @@ static void new_conn(char *url, GlobalInfo *g) conn = (ConnInfo *) calloc(1, sizeof(ConnInfo)); conn->easy = curl_easy_init(); - if(!conn->easy) - { + if(!conn->easy) { fprintf(MSG_OUT, "\ncurl_easy_init() failed, exiting!"); - exit(2); } diff --git a/docs/examples/htmltitle.cpp b/docs/examples/htmltitle.cpp index 5e6b4a003..8148888a4 100644 --- a/docs/examples/htmltitle.cpp +++ b/docs/examples/htmltitle.cpp @@ -5,7 +5,7 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 1998 - 2015, Daniel Stenberg, , et al. + * Copyright (C) 1998 - 2017, Daniel Stenberg, , 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 @@ /* * Get a web page, extract the title with libxml. * - */ -// 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 #include #include @@ -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 \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;