Cocos2d-x中libcurl库的使用(1)查看库的版本信息

使用如下代码，可检测Cocos2d-x中使用的libcurl库的版本信息 #if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)#include ../cocos2d/external/curl/include/ios/curl/curl.h#endif#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)#include ../cocos2d/external/

使用如下代码，可检测cocos2d-x中使用的libcurl库的版本信息

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#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
#include "../cocos2d/external/curl/include/ios/curl/curl.h"
#endif

#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
#include "../cocos2d/external/curl/include/android/curl/curl.h"
#endif

int getVersion()
{
    CURLcode  return_code;
    return_code = curl_global_init(CURL_GLOBAL_ALL);
    
    if(CURLE_OK != return_code)
    {
        log("init libcurl failed");
        return -1;
    }
    
    log("curl_version=%s",curl_version());
    curl_version_info_data *p = curl_version_info(CURLVERSION_NOW);
    log("curl_version_info_data = %u",p->version_num);
    curl_global_cleanup();
    return 0;
}

CURL_GLOBAL_ALL Initialize everything possible. This sets all known bits except CURL_GLOBAL_ACK_EINTR.

CURL_GLOBAL_SSL Initialize SSL

CURL_GLOBAL_WIN32 Initialize the Win32 socket libraries.

CURL_GLOBAL_NOTHING Initialise nothing extra. This sets no bit.

CURL_GLOBAL_DEFAULT A sensible default. It will init both SSL and Win32. Right now, this equals the functionality of the CURL_GLOBAL_ALL mask.

CURL_GLOBAL_ACK_EINTR When this flag is set, curl will acknowledge EINTR condition when connecting or when waiting for data. Otherwise, curl waits until full timeout elapses. (Added in 7.30.0)

typedef struct {
  CURLversion age;          /* age of the returned struct */
  const char *version;      /* LIBCURL_VERSION */
  unsigned int version_num; /* LIBCURL_VERSION_NUM */
  const char *host;         /* OS/host/cpu/machine when configured */
  int features;             /* bitmask, see defines below */
  const char *ssl_version;  /* human readable string */
  long ssl_version_num;     /* not used anymore, always 0 */
  const char *libz_version; /* human readable string */
  /* protocols is terminated by an entry with a NULL protoname */
  const char * const *protocols;

  /* The fields below this were added in CURLVERSION_SECOND */
  const char *ares;
  int ares_num;

  /* This field was added in CURLVERSION_THIRD */
  const char *libidn;

  /* These field were added in CURLVERSION_FOURTH */

  /* Same as '_libiconv_version' if built with HAVE_ICONV */
  int iconv_ver_num;

  const char *libssh_version; /* human readable string */

} curl_version_info_data;

4、curl_global_cleanup，释放资源，curl_global_init和curl_global_cleanup只能被调用一次。