curlopt_readfunction用法 `CURLOPT_READFUNCTION`是一个cURL选项,用于设置一个回调函数,该函数负责提供数据作为上传的内容。以下是`CURLOPT_READFUNCTION`的用法示例: 1.定义一个回调函数,该函数将提供上传的数据: ```cpp size_t read_callback(char* buffer, size_t size, size_t nitems, void* userdata) {...
curlopt_readfunction函数具体的用法如下: 1.声明函数原型 size_tmy_read_func(void*ptr,size_tsize,size_tnmemb,void*userdata); 2.编写自定义的读取函数这个函数的作用是从提供的数据源中读取数据并填充到ptr指向的缓冲区中。其返回值是实际读取的字节数。 size_tmy_read_func(void*ptr,size_tsize,size_tnm...
CURLOPT_BINARYTRANSFER, 1); curl_setopt($ch, CURLOPT_READFUNCTION, 'curlPutThrottle'); ...
使用附加状态：如果您需要传回详细的错误消息，您可以考虑设置一个附加状态对象，通过
curl_easy_setopt(handle, CURLOPT_HTTPHEADER, headerlist); curl_easy_setopt(handle, CURLOPT_URL, URL); curl_easy_setopt(handle, CURLOPT_VERBOSE, 1L); curl_easy_setopt(handle, CURLOPT_READFUNCTION, readcallback); // authentication (at the server end) curl_easy_setopt(handle, CURLOPT_HTTP...
Not that I can think of. I would guess that it is hard for us to second-guessthe TCP stack's behavior generically. I think we should start with consideringsome mention about this in the section where CURLOPT_READFUNCTION isdescribed, but I'm not sure what to say... ...