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CURLINFO_PRIMARY_IP

Section: curl_easy_getinfo options (3)
Updated: March 22, 2017
Index Return to Main Contents

 

NAME

CURLINFO_PRIMARY_IP - get IP address of last connection  

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PRIMARY_IP, char **ip);  

DESCRIPTION

Pass a pointer to a char pointer to receive the pointer to a zero-terminated string holding the IP address of the most recent connection done with this curl handle. This string may be IPv6 when that is enabled. Note that you get a pointer to a memory area that will be re-used at next request so you need to copy the string if you want to keep the information.

The ip pointer will be NULL or pointing to private memory you MUST NOT free - it gets freed when you call curl_easy_cleanup(3) on the corresponding CURL handle.  

PROTOCOLS

All network based ones  

EXAMPLE

{
  char *ip;

  curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");

  /* Perform the request, res will get the return code */
  res = curl_easy_perform(curl);
  /* Check for errors */
  if((res == CURLE_OK) &&
     !curl_easy_getinfo(curl, CURLINFO_PRIMARY_IP, &ip) && ip) {
    printf("IP: %s\n", ip);
  }

  /* always cleanup */
  curl_easy_cleanup(curl);
}
 

AVAILABILITY

Added in 7.19.0  

RETURN VALUE

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.  

SEE ALSO

curl_easy_getinfo(3), curl_easy_setopt(3), CURLINFO_PRIMARY_PORT(3), CURLINFO_LOCAL_IP(3),


 

Index

NAME
SYNOPSIS
DESCRIPTION
PROTOCOLS
EXAMPLE
AVAILABILITY
RETURN VALUE
SEE ALSO





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