CURL类库返回说明_zabbix 报:a libcurl function was given a bad argume

  转自：http://blog.csdn.net/benjiamen/article/details/2492567

   仅供参考

  CURL类库返回说明
  curl_easy_perform()返回值说明

  response=curl_easy_perform(curl);
  response返回的状态值
  CURLE_OK:                printf("send ok!/n");
  CURLE_HTTP_POST_ERROR:   printf("post error!/n");
  CURLE_COULDNT_CONNECT:   printf("cannot connect to server/n");


  CURLE_OK = 0,                                                  /* 0 */ no error 
  CURLE_UNSUPPORTED_PROTOCOL,          /* 1 */ unsupported protocol 
  CURLE_FAILED_INIT,                                       /* 2 */ failed init 
  CURLE_URL_MALFORMAT,                            /* 3 */ URL using bad/illegal format or missing URL 
  CURLE_URL_MALFORMAT_USER,                /* 4 - NOT USED */ unknown error 
  CURLE_COULDNT_RESOLVE_PROXY,        /* 5 */ couldn't resolve proxy name 
  CURLE_COULDNT_RESOLVE_HOST,          /* 6 */ couldn't resolve host name 
  CURLE_COULDNT_CONNECT,                     /* 7 */ couldn't connect to server 
  CURLE_FTP_WEIRD_SERVER_REPLY,       /* 8 */ FTP: weird server reply 
  CURLE_FTP_ACCESS_DENIED,                   /* 9 a service was denied by the FTP server */ FTP:access denied due to lack of access - when login fails this is not returned.

  CURLE_FTP_USER_PASSWORD_INCORRECT,

/* 10 - NOT USED */unknown error 
  CURLE_FTP_WEIRD_PASS_REPLY,           /* 11 */ FTP: unknown PASS reply 
  CURLE_FTP_WEIRD_USER_REPLY,          /* 12 */ FTP: unknown USER reply 
  CURLE_FTP_WEIRD_PASV_REPLY,           /* 13 */  FTP: unknown PASV reply 
  CURLE_FTP_WEIRD_227_FORMAT,           /* 14 */ FTP: unknown 227 response format 
  CURLE_FTP_CANT_GET_HOST,           /* 15 */ FTP: can't figure out the host in the PASV response 
  CURLE_FTP_CANT_RECONNECT,        /* 16 */ FTP: can't connect to server the response code is unknown 
  CURLE_FTP_COULDNT_SET_BINARY,      /* 17 */ FTP: couldn't set binary mode 
  CURLE_PARTIAL_FILE,                                 /* 18 */ Transferred a partial file 
  CURLE_FTP_COULDNT_RETR_FILE,      /* 19 */ FTP: couldn't retrieve (RETR failed) the specified file 
  CURLE_FTP_WRITE_ERROR,                  /* 20 */ FTP: the post-transfer acknowledge response was not OK 
  CURLE_FTP_QUOTE_ERROR,                /* 21 */ FTP: a quote command returned error 
  CURLE_HTTP_RETURNED_ERROR,      /* 22 */ HTTP response code said error 
  CURLE_WRITE_ERROR,                          /* 23 */ failed writing received data to disk/application 
  CURLE_MALFORMAT_USER,                  /* 24 - NOT USED */ 24:    unknown error 
  CURLE_UPLOAD_FAILED,              /* 25 - failed upload "command" */ upload failed (at start/before it took off) 
  CURLE_READ_ERROR,                  /* 26 */ failed to open/read local data from file/application 
  CURLE_OUT_OF_MEMORY,          /* 27 */ out of memory

  /* Note: CURLE_OUT_OF_MEMORY may sometimes indicate a conversion error   
           instead of a memory allocation error if CURL_DOES_CONVERSIONS   
           is defined */   
  CURLE_OPERATION_TIMEOUTED,      /* 28 - the timeout time was reached */ a timeout was reached 
  CURLE_FTP_COULDNT_SET_ASCII,    /* 29 - TYPE A failed */ FTP could not set ASCII mode (TYPE A) 
  CURLE_FTP_PORT_FAILED,                 /* 30 - FTP PORT operation failed */ FTP command PORT failed 
  CURLE_FTP_COULDNT_USE_REST,    /* 31 - the REST command failed */ FTP command REST failed 
  CURLE_FTP_COULDNT_GET_SIZE,      /* 32 - the SIZE command failed */ FTP command SIZE failed 
  CURLE_HTTP_RANGE_ERROR,             /* 33 - RANGE "command" didn't work */ a range was requested but the server did not deliver it 
  CURLE_HTTP_POST_ERROR,         /* 34 */ internal problem setting up the POST 
  CURLE_SSL_CONNECT_ERROR,    /* 35 - wrong when connecting with SSL */ SSL connect error 
  CURLE_BAD_DOWNLOAD_RESUME,     /* 36 - couldn't resume download */ couldn't resume download 
  CURLE_FILE_COULDNT_READ_FILE,  /* 37 */ couldn't read a file:// file 
  CURLE_LDAP_CANNOT_BIND,         /* 38 */ LDAP: cannot bind 
  CURLE_LDAP_SEARCH_FAILED,      /* 39 */ LDAP: search failed 
  CURLE_LIBRARY_NOT_FOUND,       /* 40 */ a required shared library was not found 
  CURLE_FUNCTION_NOT_FOUND,      /* 41 */ a required function in the shared library was not found 
  CURLE_ABORTED_BY_CALLBACK,     /* 42 */ the operation was aborted by an application callback 
  CURLE_BAD_FUNCTION_ARGUMENT,   /* 43 */ a libcurl function was given a bad argument 
  CURLE_BAD_CALLING_ORDER,       /* 44 - NOT USED */ unknown error 
  CURLE_INTERFACE_FAILED,            /* 45 - CURLOPT_INTERFACE failed */ failed binding local connection end 
  CURLE_BAD_PASSWORD_ENTERED,    /* 46 - NOT USED */ unknown error 
  CURLE_TOO_MANY_REDIRECTS ,          /* 47 - catch endless re-direct loops */ number of redirects hit maximum amount 
  CURLE_UNKNOWN_TELNET_OPTION,   /* 48 - User specified an unknown option */ User specified an unknown option 
  CURLE_TELNET_OPTION_SYNTAX ,   /* 49 - Malformed telnet option */ Malformed telnet option 
  CURLE_OBSOLETE,                              /* 50 - NOT USED */ 50:    unknown error 
  CURLE_SSL_PEER_CERTIFICATE,      /* 51 - peer's certificate wasn't ok */ SSL peer certificate was not ok 
  CURLE_GOT_NOTHING,                       /* 52 - when this is a specific error */ server returned nothing (no headers, no data) 
  CURLE_SSL_ENGINE_NOTFOUND,     /* 53 - SSL crypto engine not found */ SSL crypto engine not found 
  CURLE_SSL_ENGINE_SETFAILED,      /* 54 - can not set SSL crypto engine as  default */   
  CURLE_SEND_ERROR,              /* 55 - failed sending network data */ failed sending data to the peer 
  CURLE_RECV_ERROR,              /* 56 - failure in receiving network data */ failure when receiving data from the peer 
  CURLE_SHARE_IN_USE,            /* 57 - share is in use */ share is already in use 
  CURLE_SSL_CERTPROBLEM,   /* 58 - problem with the local certificate */ problem with the local SSL certificate 
  CURLE_SSL_CIPHER,                 /* 59 - couldn't use specified cipher */ couldn't use specified SSL cipher 
  CURLE_SSL_CACERT,                /* 60 - problem with the CA cert (path?) */ peer certificate cannot be authenticated with known CA certificates 
  CURLE_BAD_CONTENT_ENCODING,    /* 61 - Unrecognized transfer encoding */ Unrecognized HTTP Content-Encoding 
  CURLE_LDAP_INVALID_URL,          /* 62 - Invalid LDAP URL */ Invalid LDAP URL 
  CURLE_FILESIZE_EXCEEDED,       /* 63 - Maximum file size exceeded */ Maximum file size exceeded 
  CURLE_FTP_SSL_FAILED,              /* 64 - Requested FTP SSL level failed */ Requested FTP SSL level failed 
  CURLE_SEND_FAIL_REWIND,        /* 65 - Sending the data requires a rewind */ Send failed since rewinding of the data stream failed that failed */   
  CURLE_SSL_ENGINE_INITFAILED,   /* 66 - failed to initialise ENGINE */ failed to initialise SSL crypto engine 
  CURLE_LOGIN_DENIED,                    /* 67 - FTP: login denied */ user, password or similar was notaccepted and we failed to login */   
  CURLE_TFTP_NOTFOUND,           /* 68 - file not found on server */ TFTP: File Not Found 
  CURLE_TFTP_PERM,                     /* 69 - permission problem on server */ TFTP: Access Violation 
  CURLE_TFTP_DISKFULL,               /* 70 - out of disk space on server */ TFTP: Disk full or allocation exceeded 
  CURLE_TFTP_ILLEGAL,                  /* 71 - Illegal TFTP operation */ TFTP: Illegal operation 
  CURLE_TFTP_UNKNOWNID,          /* 72 - Unknown transfer ID */ TFTP: Unknown transfer ID 
  CURLE_TFTP_EXISTS,                    /* 73 - File already exists */ TFTP: File already exists 
  CURLE_TFTP_NOSUCHUSER,       /* 74 - No such user */ TFTP: No such user 
  CURLE_CONV_FAILED,                    /* 75 - conversion failed */ conversion failed 
  CURLE_CONV_REQD,                      /* 76 - caller must register conversion */   
  CURLE_SSL_CACERT_BADFILE,    /* 77 - could not load CACERT file, missing or wrong format */problem with the SSL CA cert (path? access rights?)  
                                       
  CURLE_REMOTE_FILE_NOT_FOUND,   /* 78 - remote file not found */ Remote file not found 
  CURLE_SSH,                                             /* 79 -Error in the SSH layer */ error from the SSH layer, somewhat  generic so the error message will be of interest when this has happened                                                                               
  CURLE_SSL_SHUTDOWN_FAILED,        /* 80 */ Failed to shut down the SSL connection

也可以参考：http://blog.csdn.net/computerhenu/article/details/7532237