curl/tests/unit/unit1305.c
Daniel Stenberg 254f7bd78a
hash: lazy-alloc the table in Curl_hash_add()
This makes Curl_hash_init() infallible which saves error paths.

Closes #8132
2021-12-10 23:16:43 +01:00

131 lines
3.3 KiB
C

/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "curlcheck.h"
#ifdef HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#ifdef HAVE_NETDB_H
# include <netdb.h>
#endif
#ifdef HAVE_ARPA_INET_H
# include <arpa/inet.h>
#endif
#define ENABLE_CURLX_PRINTF
#include "curlx.h"
#include "hash.h"
#include "hostip.h"
#include "memdebug.h" /* LAST include file */
static struct Curl_easy *data;
static struct Curl_hash hp;
static char *data_key;
static struct Curl_dns_entry *data_node;
static CURLcode unit_setup(void)
{
data = curl_easy_init();
if(!data) {
curl_global_cleanup();
return CURLE_OUT_OF_MEMORY;
}
Curl_init_dnscache(&hp);
return CURLE_OK;
}
static void unit_stop(void)
{
if(data_node) {
Curl_freeaddrinfo(data_node->addr);
free(data_node);
}
free(data_key);
Curl_hash_destroy(&hp);
curl_easy_cleanup(data);
curl_global_cleanup();
}
static struct Curl_addrinfo *fake_ai(void)
{
static struct Curl_addrinfo *ai;
static const char dummy[]="dummy";
size_t namelen = sizeof(dummy); /* including the zero terminator */
ai = calloc(1, sizeof(struct Curl_addrinfo) + sizeof(struct sockaddr_in) +
namelen);
if(!ai)
return NULL;
ai->ai_addr = (void *)((char *)ai + sizeof(struct Curl_addrinfo));
ai->ai_canonname = (void *)((char *)ai->ai_addr +
sizeof(struct sockaddr_in));
memcpy(ai->ai_canonname, dummy, namelen);
ai->ai_family = AF_INET;
ai->ai_addrlen = sizeof(struct sockaddr_in);
return ai;
}
static CURLcode create_node(void)
{
data_key = aprintf("%s:%d", "dummy", 0);
if(!data_key)
return CURLE_OUT_OF_MEMORY;
data_node = calloc(1, sizeof(struct Curl_dns_entry));
if(!data_node)
return CURLE_OUT_OF_MEMORY;
data_node->addr = fake_ai();
if(!data_node->addr)
return CURLE_OUT_OF_MEMORY;
return CURLE_OK;
}
UNITTEST_START
struct Curl_dns_entry *nodep;
size_t key_len;
/* Test 1305 exits without adding anything to the hash */
if(strcmp(arg, "1305") != 0) {
CURLcode rc = create_node();
abort_unless(rc == CURLE_OK, "data node creation failed");
key_len = strlen(data_key);
data_node->inuse = 1; /* hash will hold the reference */
nodep = Curl_hash_add(&hp, data_key, key_len + 1, data_node);
abort_unless(nodep, "insertion into hash failed");
/* Freeing will now be done by Curl_hash_destroy */
data_node = NULL;
}
UNITTEST_STOP