void memory_tracking_init(void)
{
char *env;
/* if CURL_MEMDEBUG is set, this starts memory tracking message logging */
env = curlx_getenv("CURL_MEMDEBUG");
if(env) {
/* use the value as file name */
char fname[CURL_MT_LOGFNAME_BUFSIZE];
if(strlen(env) >= CURL_MT_LOGFNAME_BUFSIZE)
env[CURL_MT_LOGFNAME_BUFSIZE-1] = '\0';
strcpy(fname, env);
curl_free(env);
curl_memdebug(fname);
/* this weird stuff here is to make curl_free() get called
before curl_memdebug() as otherwise memory tracking will
log a free() without an alloc! */
}
/* if CURL_MEMLIMIT is set, this enables fail-on-alloc-number-N feature */
env = curlx_getenv("CURL_MEMLIMIT");
if(env) {
char *endptr;
long num = strtol(env, &endptr, 10);
if((endptr != env) && (endptr == env + strlen(env)) && (num > 0))
curl_memlimit(num);
curl_free(env);
}
}
int main(int argc, char **argv)
{
char *URL;
#ifdef CURLDEBUG
/* this sends all memory debug messages to a logfile named memdump */
char *env = curl_getenv("CURL_MEMDEBUG");
if(env) {
/* use the value as file name */
char *s = strdup(env);
curl_free(env);
curl_memdebug(s);
free(s);
/* this weird strdup() and stuff here is to make the curl_free() get
called before the memdebug() as otherwise the memdebug tracing will
with tracing a free() without an alloc! */
}
/* this enables the fail-on-alloc-number-N functionality */
env = curl_getenv("CURL_MEMLIMIT");
if(env) {
char *endptr;
long num = strtol(env, &endptr, 10);
if((endptr != env) && (endptr == env + strlen(env)) && (num > 0))
curl_memlimit(num);
curl_free(env);
}
#endif
/*
* Setup proper locale from environment. This is needed to enable locale-
* specific behaviour by the C library in order to test for undesired side
* effects that could cause in libcurl.
*/
#ifdef HAVE_SETLOCALE
setlocale(LC_ALL, "");
#endif
if(argc< 2 ) {
fprintf(stderr, "Pass URL as argument please\n");
return 1;
}
test_argc = argc;
test_argv = argv;
if(argc>2)
libtest_arg2=argv[2];
if(argc>3)
libtest_arg3=argv[3];
URL = argv[1]; /* provide this to the rest */
fprintf(stderr, "URL: %s\n", URL);
return test(URL);
}
int main(int argc, char **argv)
{
char *URL;
#ifdef CURLDEBUG
/* this sends all memory debug messages to a logfile named memdump */
char *env = curl_getenv("CURL_MEMDEBUG");
if(env) {
/* use the value as file name */
char *s = strdup(env);
curl_free(env);
curl_memdebug(s);
free(s);
/* this weird strdup() and stuff here is to make the curl_free() get
called before the memdebug() as otherwise the memdebug tracing will
with tracing a free() without an alloc! */
}
/* this enables the fail-on-alloc-number-N functionality */
env = curl_getenv("CURL_MEMLIMIT");
if(env) {
curl_memlimit(atoi(env));
curl_free(env);
}
#endif
if(argc< 2 ) {
fprintf(stderr, "Pass URL as argument please\n");
return 1;
}
if(argc>2)
arg2=argv[2];
URL = argv[1]; /* provide this to the rest */
fprintf(stderr, "URL: %s\n", URL);
return test(URL);
}
int ares_init_options(ares_channel *channelptr, struct ares_options *options,
int optmask)
{
ares_channel channel;
int i;
int status = ARES_SUCCESS;
struct timeval now;
#ifdef CURLDEBUG
const char *env = getenv("CARES_MEMDEBUG");
if (env)
curl_memdebug(env);
env = getenv("CARES_MEMLIMIT");
if (env) {
char *endptr;
long num = strtol(env, &endptr, 10);
if((endptr != env) && (endptr == env + strlen(env)) && (num > 0))
curl_memlimit(num);
}
#endif
if (ares_library_initialized() != ARES_SUCCESS)
return ARES_ENOTINITIALIZED;
channel = malloc(sizeof(struct ares_channeldata));
if (!channel) {
*channelptr = NULL;
return ARES_ENOMEM;
}
now = ares__tvnow();
/* Set everything to distinguished values so we know they haven't
* been set yet.
*/
channel->flags = -1;
channel->timeout = -1;
channel->tries = -1;
channel->ndots = -1;
channel->rotate = -1;
channel->udp_port = -1;
channel->tcp_port = -1;
channel->socket_send_buffer_size = -1;
channel->socket_receive_buffer_size = -1;
channel->nservers = -1;
channel->ndomains = -1;
channel->nsort = -1;
channel->tcp_connection_generation = 0;
channel->lookups = NULL;
channel->domains = NULL;
channel->sortlist = NULL;
channel->servers = NULL;
channel->sock_state_cb = NULL;
channel->sock_state_cb_data = NULL;
channel->sock_create_cb = NULL;
channel->sock_create_cb_data = NULL;
channel->last_server = 0;
channel->last_timeout_processed = (time_t)now.tv_sec;
memset(&channel->local_dev_name, 0, sizeof(channel->local_dev_name));
channel->local_ip4 = 0;
memset(&channel->local_ip6, 0, sizeof(channel->local_ip6));
/* Initialize our lists of queries */
ares__init_list_head(&(channel->all_queries));
for (i = 0; i < ARES_QID_TABLE_SIZE; i++)
{
ares__init_list_head(&(channel->queries_by_qid[i]));
}
for (i = 0; i < ARES_TIMEOUT_TABLE_SIZE; i++)
{
ares__init_list_head(&(channel->queries_by_timeout[i]));
}
/* Initialize configuration by each of the four sources, from highest
* precedence to lowest.
*/
if (status == ARES_SUCCESS) {
status = init_by_options(channel, options, optmask);
if (status != ARES_SUCCESS)
DEBUGF(fprintf(stderr, "Error: init_by_options failed: %s\n",
ares_strerror(status)));
}
if (status == ARES_SUCCESS) {
status = init_by_environment(channel);
if (status != ARES_SUCCESS)
DEBUGF(fprintf(stderr, "Error: init_by_environment failed: %s\n",
ares_strerror(status)));
}
if (status == ARES_SUCCESS) {
status = init_by_resolv_conf(channel);
if (status != ARES_SUCCESS)
DEBUGF(fprintf(stderr, "Error: init_by_resolv_conf failed: %s\n",
ares_strerror(status)));
}
/*
* No matter what failed or succeeded, seed defaults to provide
* useful behavior for things that we missed.
*/
status = init_by_defaults(channel);
if (status != ARES_SUCCESS)
DEBUGF(fprintf(stderr, "Error: init_by_defaults failed: %s\n",
ares_strerror(status)));
/* Generate random key */
if (status == ARES_SUCCESS) {
status = init_id_key(&channel->id_key, ARES_ID_KEY_LEN);
if (status == ARES_SUCCESS)
channel->next_id = ares__generate_new_id(&channel->id_key);
else
DEBUGF(fprintf(stderr, "Error: init_id_key failed: %s\n",
ares_strerror(status)));
}
if (status != ARES_SUCCESS)
{
/* Something failed; clean up memory we may have allocated. */
if (channel->servers)
free(channel->servers);
if (channel->domains)
{
for (i = 0; i < channel->ndomains; i++)
free(channel->domains[i]);
free(channel->domains);
}
if (channel->sortlist)
free(channel->sortlist);
if(channel->lookups)
free(channel->lookups);
free(channel);
return status;
}
/* Trim to one server if ARES_FLAG_PRIMARY is set. */
if ((channel->flags & ARES_FLAG_PRIMARY) && channel->nservers > 1)
channel->nservers = 1;
ares__init_servers_state(channel);
*channelptr = channel;
return ARES_SUCCESS;
}
