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Re: Function to return the body of a page?

From: VanL <vlindberg_at_verio.net>
Date: Wed, 13 Mar 2002 14:02:10 -0700

Hello,

You said:

>
>You should look at getinmemory.c instead, That example does exactly
>what you describe.
>
Like this?

#include <stdio.h>
#include <curl/curl.h>
#include <curl/types.h>
#include <curl/easy.h>

struct MemoryStruct {
  char *memory;
  size_t size;
};

size_t
WriteMemoryCallback(void *ptr, size_t size, size_t nmemb, void *data)
{
  register int realsize = size * nmemb;
  struct MemoryStruct *mem = (struct MemoryStruct *)data;
 
  mem->memory = (char *)realloc(mem->memory, mem->size + realsize + 1);
  if (mem->memory) {
    memcpy(&(mem->memory[mem->size]), ptr, realsize);
    mem->size += realsize;
    mem->memory[mem->size] = 0;
  }
  return realsize;
}

struct MemoryStruct get_data(char* URL, int* curl_handle)
{

   struct MemoryStruct chunk;

   chunk.memory=NULL; /* we expect realloc(NULL, size) to work */
   chunk.size = 0; /* no data at this point */

   /* specify URL to get */
   curl_easy_setopt(curl_handle, CURLOPT_URL, URL);
 
   /* send all data to this function */
   curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION,
WriteMemoryCallback);
 
   /* we pass our 'chunk' struct to the callback function */
   curl_easy_setopt(curl_handle, CURLOPT_FILE, (void *)&chunk);
 
   /* get it! */
   curl_easy_perform(curl_handle);
  
   return chunk;
}

int main(int argc, char **argv)
{

  /* initialize curl */

  CURL *curl_handle;

  /* init the curl session */
  curl_handle = curl_easy_init();

 
  process_data(get_data("http://127.0.0.1:50002"));
 
 

  /* cleanup curl stuff */
  curl_easy_cleanup(curl_handle);

  return 0;
}
Received on 2002-03-13