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Multi level json pointer lookups + example

This commit is contained in:
Willem Toorop 2015-10-01 15:16:12 +02:00
parent ca50a984c8
commit 074344fbf9
1 changed files with 53 additions and 0 deletions
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53
spec/example/synchronous-json-pointer.c Normal file
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#include <stdio.h>
#include <getdns_core_only.h>
int main()
{
getdns_return_t r;
getdns_context *context = NULL;
getdns_dict *response = NULL;
getdns_bindata *address_data;
char *first = NULL, *second = NULL;
/* Create the DNS context for this call */
if ((r = getdns_context_create(&context, 1)))
fprintf(stderr, "Trying to create the context failed");
else if ((r = getdns_address_sync(context, "example.com", NULL, &response)))
fprintf(stderr, "Error scheduling synchronous request");
else if ((r = getdns_dict_get_bindata(response, "/just_address_answers/0/address_data", &address_data)))
fprintf(stderr, "Could not get first address");
else if (!(first = getdns_display_ip_address(address_data)))
fprintf(stderr, "Could not convert first address to string\n");
else if ((r = getdns_dict_get_bindata(response, "/just_address_answers/1/address_data", &address_data)))
fprintf(stderr, "Could not get second address");
else if (!(second = getdns_display_ip_address(address_data)))
fprintf(stderr, "Could not convert second address to string\n");
if (first) {
printf("The address is %s\n", first);
free(first);
}
if (second) {
printf("The address is %s\n", second);
free(second);
}
/* Clean up */
if (response)
getdns_dict_destroy(response);
if (context)
getdns_context_destroy(context);
/* Assuming we get here, leave gracefully */
if (r) {
fprintf(stderr, ": %d\n", r);
exit(EXIT_FAILURE);
}
else
exit(EXIT_SUCCESS);
}