C++

util.h

#ifndef UTIL_H#define UTIL_H#include <stdio.h>#include <stdlib.h>#include <string.h>struct MemoryStruct {  char *memory;  size_t size;};size_t WriteMemoryCallback(void *contents, size_t size, size_t nmemb, void *userp);#endif

util.cpp

#include "util.h"size_t WriteMemoryCallback(void *contents, size_t size, size_t nmemb, void *userp){  size_t realsize = size * nmemb;  struct MemoryStruct *mem = (struct MemoryStruct *)userp;  char *ptr = (char*) realloc(mem->memory, mem->size + realsize + 1);  if(ptr == NULL){    printf("error: could not allocate Memory!");    return 0;  }  mem->memory = ptr;  memcpy(&(mem->memory[mem->size]),contents ,realsize);  mem->size +=realsize;  mem->memory[mem->size]= 0;  return realsize;}

main.cpp

#include <iostream>#include <string>#include <curl/curl.h>#include "util.h"int main(){  CURL *curl_handle;  CURLcode res;  struct curl_slist *headerList = NULL;  const char *body = (char *)"{\"options\": { \"method\": \"GET\",\"headers\": {\"Content-Type\": \"application/json\",\"Accept\": \"application/json\"}}, \"url\": \"/rest/api/3/issue/DEV-16\"}";  struct MemoryStruct chunk;  chunk.memory = (char *)malloc (1);  chunk.size = 0;  curl_handle = curl_easy_init();  if(curl_handle){    curl_easy_setopt(curl_handle,CURLOPT_URL, "< YOURTRIGGERURL >");    curl_easy_setopt(curl_handle,CURLOPT_USERAGENT, "libcurl-agent/1.0");    //add body    curl_easy_setopt(curl_handle,CURLOPT_POSTFIELDSIZE, strlen(body));    curl_easy_setopt(curl_handle,CURLOPT_POSTFIELDS, body);    //setup callback response    curl_easy_setopt(curl_handle,CURLOPT_WRITEFUNCTION, WriteMemoryCallback);    curl_easy_setopt(curl_handle,CURLOPT_WRITEDATA, (void *) &chunk);    //set custom header list    headerList = curl_slist_append(headerList, "apiKey:< YOURTOKEN >");    curl_easy_setopt(curl_handle,CURLOPT_HTTPHEADER, headerList);    //do request    res = curl_easy_perform(curl_handle);    //log response    if(res != CURLE_OK){      fprintf (stderr, "std error: %s\n", (char *) curl_easy_strerror);    }else {      printf("response size: %lu \n", (unsigned long) chunk.size);      printf("response: %s \n", (char *) chunk.memory);    }    //clear memory    curl_slist_free_all(headerList);    curl_easy_cleanup(curl_handle);    free(chunk.memory);  }  return 0;}