由於某些未知原因,我的應用程序使用libcurl崩潰。在使用Guard Malloc時,它在相同代碼的許多循環後自發崩潰。libcurl(7.19,7)在OSX上使用_mdns_query_callback崩潰(10.6.8)
的libcurl版本信息:
捲曲7.19.7(通用蘋果darwin10.0)的libcurl/7.19.7的OpenSSL/0.9.8r 的zlib/1.2.3協議:TFTP FTP遠程登錄字典LDAP HTTP文件HTTPS FTPS 特點:GSS-協商的IPv6 Largefile NTLM SSL libz進行
源代碼:
char * process_url(char * url,char * post){
CURLcode res;
curl_easy_reset(curl);
if(curl){
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_TIMEOUT, 10);
curl_easy_setopt(curl, CURLOPT_POSTREDIR,CURL_REDIR_POST_ALL);
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION,1L);
curl_easy_setopt(curl, CURLOPT_USERAGENT, "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/13.0.782.107 Safari/535.1");
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION,write_to_string);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
if (post) {
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, post);
}
ResponseStruct result;
result.response = malloc(sizeof(char));
result.response[0] = '\0';
result.length = 1;
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &result);
res = curl_easy_perform(curl); //CRASHED HERE
if (res) {
printf("CURL FAILED WITH ERROR CODE %i\n",(int)res);
return NULL;
}
sec_sleep(1); //Prevent passing float limit.
return result.response;
}
return NULL;
}
這裏是功能堆棧:
#0 0x7fff869d22ae in _mdns_query_callback
#1 0x7fff869bfc29 in handle_query_response
#2 0x7fff869bf08b in DNSServiceProcessResult
#3 0x7fff869d1a71 in _mdns_query_mDNSResponder
#4 0x7fff869d0c61 in _mdns_search
#5 0x7fff869cfffc in _mdns_addrinfo
#6 0x7fff869cf059 in search_addrinfo
#7 0x7fff869cea7a in si_addrinfo
#8 0x7fff869ce48d in getaddrinfo
#9 0x7fff831695fc in Curl_getaddrinfo_ex
#10 0x7fff83164a3d in Curl_getaddrinfo
#11 0x7fff8313dda3 in Curl_resolv
#12 0x7fff8313dfb6 in Curl_resolv_timeout
#13 0x7fff8314b225 in resolve_server
#14 0x7fff83150aaf in create_conn
#15 0x7fff83150c08 in Curl_connect
#16 0x7fff8315b817 in Curl_perform
#17 0x100001126 in process_url at main.c:90
#18 0x1000013f7 in cancel_outstanding_order at main.c:158
#19 0x100002aac in main at main.c:554
程序中沒有使用線程。我在調試器中檢查了我的數據,這很好。 libcurl不喜歡某些東西。有沒有解決方案?
謝謝。
最可能的問題是您傳入的URL存在問題。你如何生成它? –
網址是https://api-test.tradehill.com/APIv1/USD/GetBalance –