curl_easy_perform返回值详解
CURLE_OK = 0,
CURLE_UNSUPPORTED_PROTOCOL, /* 1 /
CURLE_FAILED_INIT, / 2 /
CURLE_URL_MALFORMAT, / 3 /
CURLE_NOT_BUILT_IN, / 4 - [was obsoleted in August 2007 for
7.17.0, reused in April 2011 for 7.21.5] /
CURLE_COULDNT_RESOLVE_PROXY, / 5 /
CURLE_COULDNT_RESOLVE_HOST, / 6 /
CURLE_COULDNT_CONNECT, / 7 /
CURLE_WEIRD_SERVER_REPLY, / 8 /
CURLE_REMOTE_ACCESS_DENIED, / 9 a service was denied by the server
due to lack of access - when login fails
this is not returned. /
CURLE_FTP_ACCEPT_FAILED, / 10 - [was obsoleted in April 2006 for
7.15.4, reused in Dec 2011 for 7.24.0]/
CURLE_FTP_WEIRD_PASS_REPLY, / 11 /
CURLE_FTP_ACCEPT_TIMEOUT, / 12 - timeout occurred accepting server
[was obsoleted in August 2007 for 7.17.0,
reused in Dec 2011 for 7.24.0]/
CURLE_FTP_WEIRD_PASV_REPLY, / 13 /
CURLE_FTP_WEIRD_227_FORMAT, / 14 /
CURLE_FTP_CANT_GET_HOST, / 15 /
CURLE_HTTP2, / 16 - A problem in the http2 framing layer.
[was obsoleted in August 2007 for 7.17.0,
reused in July 2014 for 7.38.0] /
CURLE_FTP_COULDNT_SET_TYPE, / 17 /
CURLE_PARTIAL_FILE, / 18 /
CURLE_FTP_COULDNT_RETR_FILE, / 19 /
CURLE_OBSOLETE20, / 20 - NOT USED /
CURLE_QUOTE_ERROR, / 21 - quote command failure /
CURLE_HTTP_RETURNED_ERROR, / 22 /
CURLE_WRITE_ERROR, / 23 /
CURLE_OBSOLETE24, / 24 - NOT USED /
CURLE_UPLOAD_FAILED, / 25 - failed upload “command” /
CURLE_READ_ERROR, / 26 - couldn’t open/read from file /
CURLE_OUT_OF_MEMORY, / 27 /
/ 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_TIMEDOUT, / 28 - the timeout time was reached /
CURLE_OBSOLETE29, / 29 - NOT USED /
CURLE_FTP_PORT_FAILED, / 30 - FTP PORT operation failed /
CURLE_FTP_COULDNT_USE_REST, / 31 - the REST command failed /
CURLE_OBSOLETE32, / 32 - NOT USED /
CURLE_RANGE_ERROR, / 33 - RANGE “command” didn’t work /
CURLE_HTTP_POST_ERROR, / 34 /
CURLE_SSL_CONNECT_ERROR, / 35 - wrong when connecting with SSL /
CURLE_BAD_DOWNLOAD_RESUME, / 36 - couldn’t resume download /
CURLE_FILE_COULDNT_READ_FILE, / 37 /
CURLE_LDAP_CANNOT_BIND, / 38 /
CURLE_LDAP_SEARCH_FAILED, / 39 /
CURLE_OBSOLETE40, / 40 - NOT USED /
CURLE_FUNCTION_NOT_FOUND, / 41 - NOT USED starting with 7.53.0 /
CURLE_ABORTED_BY_CALLBACK, / 42 /
CURLE_BAD_FUNCTION_ARGUMENT, / 43 /
CURLE_OBSOLETE44, / 44 - NOT USED /
CURLE_INTERFACE_FAILED, / 45 - CURLOPT_INTERFACE failed /
CURLE_OBSOLETE46, / 46 - NOT USED /
CURLE_TOO_MANY_REDIRECTS, / 47 - catch endless re-direct loops /
CURLE_UNKNOWN_OPTION, / 48 - User specified an unknown option /
CURLE_TELNET_OPTION_SYNTAX, / 49 - Malformed telnet option /
CURLE_OBSOLETE50, / 50 - NOT USED /
CURLE_PEER_FAILED_VERIFICATION, / 51 - peer’s certificate or fingerprint
wasn’t verified fine /
CURLE_GOT_NOTHING, / 52 - when this is a specific error /
CURLE_SSL_ENGINE_NOTFOUND, / 53 - 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 /
CURLE_RECV_ERROR, / 56 - failure in receiving network data /
CURLE_OBSOLETE57, / 57 - NOT IN USE /
CURLE_SSL_CERTPROBLEM, / 58 - problem with the local certificate /
CURLE_SSL_CIPHER, / 59 - couldn’t use specified cipher /
CURLE_SSL_CACERT, / 60 - problem with the CA cert (path?) /
CURLE_BAD_CONTENT_ENCODING, / 61 - Unrecognized/bad encoding /
CURLE_LDAP_INVALID_URL, / 62 - Invalid LDAP URL /
CURLE_FILESIZE_EXCEEDED, / 63 - Maximum file size exceeded /
CURLE_USE_SSL_FAILED, / 64 - Requested FTP SSL level failed /
CURLE_SEND_FAIL_REWIND, / 65 - Sending the data requires a rewind
that failed /
CURLE_SSL_ENGINE_INITFAILED, / 66 - failed to initialise ENGINE /
CURLE_LOGIN_DENIED, / 67 - user, password or similar was not
accepted and we failed to login /
CURLE_TFTP_NOTFOUND, / 68 - file not found on server /
CURLE_TFTP_PERM, / 69 - permission problem on server /
CURLE_REMOTE_DISK_FULL, / 70 - out of disk space on server /
CURLE_TFTP_ILLEGAL, / 71 - Illegal TFTP operation /
CURLE_TFTP_UNKNOWNID, / 72 - Unknown transfer ID /
CURLE_REMOTE_FILE_EXISTS, / 73 - File already exists /
CURLE_TFTP_NOSUCHUSER, / 74 - No such user /
CURLE_CONV_FAILED, / 75 - conversion failed /
CURLE_CONV_REQD, / 76 - caller must register conversion
callbacks using curl_easy_setopt options
CURLOPT_CONV_FROM_NETWORK_FUNCTION,
CURLOPT_CONV_TO_NETWORK_FUNCTION, and
CURLOPT_CONV_FROM_UTF8_FUNCTION /
CURLE_SSL_CACERT_BADFILE, / 77 - could not load CACERT file, missing
or wrong format /
CURLE_REMOTE_FILE_NOT_FOUND, / 78 - remote file not found /
CURLE_SSH, / 79 - 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 /
CURLE_AGAIN, / 81 - socket is not ready for send/recv,
wait till it’s ready and try again (Added
in 7.18.2) /
CURLE_SSL_CRL_BADFILE, / 82 - could not load CRL file, missing or
wrong format (Added in 7.19.0) /
CURLE_SSL_ISSUER_ERROR, / 83 - Issuer check failed. (Added in
7.19.0) /
CURLE_FTP_PRET_FAILED, / 84 - a PRET command failed /
CURLE_RTSP_CSEQ_ERROR, / 85 - mismatch of RTSP CSeq numbers /
CURLE_RTSP_SESSION_ERROR, / 86 - mismatch of RTSP Session Ids /
CURLE_FTP_BAD_FILE_LIST, / 87 - unable to parse FTP file list /
CURLE_CHUNK_FAILED, / 88 - chunk callback reported error /
CURLE_NO_CONNECTION_AVAILABLE, / 89 - No connection available, the
session will be queued /
CURLE_SSL_PINNEDPUBKEYNOTMATCH, / 90 - specified pinned public key did not
match /
CURLE_SSL_INVALIDCERTSTATUS, / 91 - invalid certificate status /
CURLE_HTTP2_STREAM, / 92 - stream error in HTTP/2 framing layer
/
CURLE_RECURSIVE_API_CALL, / 93 - an api function was called from
inside a callback /
CURL_LAST / never use! */