summaryrefslogtreecommitdiffstats
path: root/Utilities/cmcurl/strerror.c
diff options
context:
space:
mode:
Diffstat (limited to 'Utilities/cmcurl/strerror.c')
-rw-r--r--Utilities/cmcurl/strerror.c569
1 files changed, 569 insertions, 0 deletions
diff --git a/Utilities/cmcurl/strerror.c b/Utilities/cmcurl/strerror.c
new file mode 100644
index 0000000..ea5bcd8
--- /dev/null
+++ b/Utilities/cmcurl/strerror.c
@@ -0,0 +1,569 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2004, 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 http://curl.haxx.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 "setup.h"
+
+#include <curl/curl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include "strerror.h"
+
+#define _MPRINTF_REPLACE /* use our functions only */
+#include <curl/mprintf.h>
+
+#ifdef HAVE_NO_STRERROR_R_DECL
+#ifdef HAVE_POSIX_STRERROR_R
+/* seen on AIX 5100-02 gcc 2.9 */
+extern int strerror_r(int errnum, char *strerrbuf, size_t buflen);
+#else
+extern char *strerror_r(int errnum, char *buf, size_t buflen);
+#endif
+#endif
+
+const char *
+curl_easy_strerror(CURLcode error)
+{
+ switch (error) {
+ case CURLE_OK:
+ return "no error";
+
+ case CURLE_UNSUPPORTED_PROTOCOL:
+ return "unsupported protocol";
+
+ case CURLE_FAILED_INIT:
+ return "failed init";
+
+ case CURLE_URL_MALFORMAT:
+ return "URL using bad/illegal format or missing URL";
+
+ case CURLE_COULDNT_RESOLVE_PROXY:
+ return "couldnt resolve proxy";
+
+ case CURLE_COULDNT_RESOLVE_HOST:
+ return "couldnt resolve host";
+
+ case CURLE_COULDNT_CONNECT:
+ return "couldn't connect";
+
+ case CURLE_FTP_WEIRD_SERVER_REPLY:
+ return "FTP: weird server reply";
+
+ case CURLE_FTP_ACCESS_DENIED:
+ return "FTP: access denied";
+
+ case CURLE_FTP_USER_PASSWORD_INCORRECT:
+ return "FTP: user and/or password incorrect";
+
+ case CURLE_FTP_WEIRD_PASS_REPLY:
+ return "FTP: unknown PASS reply";
+
+ case CURLE_FTP_WEIRD_USER_REPLY:
+ return "FTP: unknown USER reply";
+
+ case CURLE_FTP_WEIRD_PASV_REPLY:
+ return "FTP: unknown PASV reply";
+
+ case CURLE_FTP_WEIRD_227_FORMAT:
+ return "FTP: unknown 227 response format";
+
+ case CURLE_FTP_CANT_GET_HOST:
+ return "FTP: can't figure out the host in the PASV response";
+
+ case CURLE_FTP_CANT_RECONNECT:
+ return "FTP: can't connect to server the response code is unknown";
+
+ case CURLE_FTP_COULDNT_SET_BINARY:
+ return "FTP: couldn't set binary mode";
+
+ case CURLE_PARTIAL_FILE:
+ return "Transferred a partial file";
+
+ case CURLE_FTP_COULDNT_RETR_FILE:
+ return "FTP: couldn't retrieve (RETR failed) the specified file";
+
+ case CURLE_FTP_WRITE_ERROR:
+ return "FTP: the post-transfer acknowledge response was not OK";
+
+ case CURLE_FTP_QUOTE_ERROR:
+ return "FTP: a quote command returned error";
+
+ case CURLE_HTTP_RETURNED_ERROR:
+ return "HTTP response code said error";
+
+ case CURLE_WRITE_ERROR:
+ return "failed writing received data to disk/application";
+
+ case CURLE_FTP_COULDNT_STOR_FILE:
+ return "failed FTP upload (the STOR command)";
+
+ case CURLE_READ_ERROR:
+ return "failed to open/read local data from file/application";
+
+ case CURLE_OUT_OF_MEMORY:
+ return "out of memory";
+
+ case CURLE_OPERATION_TIMEOUTED:
+ return "a timeout was reached";
+
+ case CURLE_FTP_COULDNT_SET_ASCII:
+ return "FTP could not set ASCII mode (TYPE A)";
+
+ case CURLE_FTP_PORT_FAILED:
+ return "FTP command PORT failed";
+
+ case CURLE_FTP_COULDNT_USE_REST:
+ return "FTP command REST failed";
+
+ case CURLE_FTP_COULDNT_GET_SIZE:
+ return "FTP command SIZE failed";
+
+ case CURLE_HTTP_RANGE_ERROR:
+ return "a range was requested but the server did not deliver it";
+
+ case CURLE_HTTP_POST_ERROR:
+ return "internal problem setting up the POST";
+
+ case CURLE_SSL_CONNECT_ERROR:
+ return "SSL connect error";
+
+ case CURLE_FTP_BAD_DOWNLOAD_RESUME:
+ return "couldn't resume FTP download";
+
+ case CURLE_FILE_COULDNT_READ_FILE:
+ return "couldn't read a file:// file";
+
+ case CURLE_LDAP_CANNOT_BIND:
+ return "LDAP: cannot bind";
+
+ case CURLE_LDAP_SEARCH_FAILED:
+ return "LDAP: search failed";
+
+ case CURLE_LIBRARY_NOT_FOUND:
+ return "a required shared library was not found";
+
+ case CURLE_FUNCTION_NOT_FOUND:
+ return "a required function in the shared library was not found";
+
+ case CURLE_ABORTED_BY_CALLBACK:
+ return "the operation was aborted by an application callback";
+
+ case CURLE_BAD_FUNCTION_ARGUMENT:
+ return "a libcurl function was given a bad argument";
+
+ case CURLE_INTERFACE_FAILED:
+ return "failed binding local connection end";
+
+ case CURLE_TOO_MANY_REDIRECTS :
+ return "number of redirects hit maximum amount";
+
+ case CURLE_UNKNOWN_TELNET_OPTION:
+ return "User specified an unknown option";
+
+ case CURLE_TELNET_OPTION_SYNTAX :
+ return "Malformed telnet option";
+
+ case CURLE_SSL_PEER_CERTIFICATE:
+ return "SSL peer certificate was not ok";
+
+ case CURLE_GOT_NOTHING:
+ return "server returned nothing (no headers, no data)";
+
+ case CURLE_SSL_ENGINE_NOTFOUND:
+ return "SSL crypto engine not found";
+
+ case CURLE_SSL_ENGINE_SETFAILED:
+ return "can not set SSL crypto engine as default";
+
+ case CURLE_SEND_ERROR:
+ return "failed sending data to the peer";
+
+ case CURLE_RECV_ERROR:
+ return "failure when receiving data from the peer";
+
+ case CURLE_SHARE_IN_USE:
+ return "share is already in use";
+
+ case CURLE_SSL_CERTPROBLEM:
+ return "problem with the local SSL certificate";
+
+ case CURLE_SSL_CIPHER:
+ return "couldn't use specified SSL cipher";
+
+ case CURLE_SSL_CACERT:
+ return "problem with the SSL CA cert (path? access rights?)";
+
+ case CURLE_BAD_CONTENT_ENCODING:
+ return "Unrecognized HTTP Content-Encoding";
+
+ case CURLE_LDAP_INVALID_URL:
+ return "Invalid LDAP URL";
+
+ case CURLE_FILESIZE_EXCEEDED:
+ return "Maximum file size exceeded";
+
+ case CURLE_FTP_SSL_FAILED:
+ return "Requested FTP SSL level failed";
+
+ case CURLE_URL_MALFORMAT_USER: /* not used by current libcurl */
+ case CURLE_MALFORMAT_USER: /* not used by current libcurl */
+ case CURLE_BAD_CALLING_ORDER: /* not used by current libcurl */
+ case CURLE_BAD_PASSWORD_ENTERED:/* not used by current libcurl */
+ case CURLE_OBSOLETE: /* not used by current libcurl */
+ case CURL_LAST:
+ break;
+ }
+ /*
+ * By using a switch, gcc -Wall will complain about enum values
+ * which do not appear, helping keep this function up-to-date.
+ * By using gcc -Wall -Werror, you can't forget.
+ *
+ * A table would not have the same benefit. Most compilers will
+ * generate code very similar to a table in any case, so there
+ * is little performance gain from a table. And something is broken
+ * for the user's application, anyways, so does it matter how fast
+ * it _doesn't_ work?
+ *
+ * The line number for the error will be near this comment, which
+ * is why it is here, and not at the start of the switch.
+ */
+ return "unknown error";
+}
+
+const char *
+curl_multi_strerror(CURLMcode error)
+{
+ switch (error) {
+ case CURLM_CALL_MULTI_PERFORM:
+ return "please call curl_multi_perform() soon";
+
+ case CURLM_OK:
+ return "no error";
+
+ case CURLM_BAD_HANDLE:
+ return "invalid multi handle";
+
+ case CURLM_BAD_EASY_HANDLE:
+ return "invalid easy handle";
+
+ case CURLM_OUT_OF_MEMORY:
+ return "out of memory";
+
+ case CURLM_INTERNAL_ERROR:
+ return "internal error";
+
+ case CURLM_LAST:
+ break;
+ }
+
+ return "unknown error";
+}
+
+const char *
+curl_share_strerror(CURLSHcode error)
+{
+ switch (error) {
+ case CURLSHE_OK:
+ return "no error";
+
+ case CURLSHE_BAD_OPTION:
+ return "unknown share option";
+
+ case CURLSHE_IN_USE:
+ return "share currently in use";
+
+ case CURLSHE_INVALID:
+ return "invalid share handle";
+
+ case CURLSHE_NOMEM:
+ return "out of memory";
+
+ case CURLSHE_LAST:
+ break;
+ }
+
+ return "CURLSH unknown";
+}
+
+#if defined(WIN32) && !defined(__CYGWIN__)
+
+/* This function handles most / all (?) Winsock errors cURL is able to produce.
+ */
+static const char *
+get_winsock_error (int err, char *buf, size_t len)
+{
+ char *p;
+
+ switch (err) {
+ case WSAEINTR:
+ p = "Call interrupted.";
+ break;
+ case WSAEBADF:
+ p = "Bad file";
+ break;
+ case WSAEACCES:
+ p = "Bad access";
+ break;
+ case WSAEFAULT:
+ p = "Bad argument";
+ break;
+ case WSAEINVAL:
+ p = "Invalid arguments";
+ break;
+ case WSAEMFILE:
+ p = "Out of file descriptors";
+ break;
+ case WSAEWOULDBLOCK:
+ p = "Call would block";
+ break;
+ case WSAEINPROGRESS:
+ case WSAEALREADY:
+ p = "Blocking call in progress";
+ break;
+ case WSAENOTSOCK:
+ p = "Descriptor is not a socket.";
+ break;
+ case WSAEDESTADDRREQ:
+ p = "Need destination address";
+ break;
+ case WSAEMSGSIZE:
+ p = "Bad message size";
+ break;
+ case WSAEPROTOTYPE:
+ p = "Bad protocol";
+ break;
+ case WSAENOPROTOOPT:
+ p = "Protocol option is unsupported";
+ break;
+ case WSAEPROTONOSUPPORT:
+ p = "Protocol is unsupported";
+ break;
+ case WSAESOCKTNOSUPPORT:
+ p = "Socket is unsupported";
+ break;
+ case WSAEOPNOTSUPP:
+ p = "Operation not supported";
+ break;
+ case WSAEAFNOSUPPORT:
+ p = "Address family not supported";
+ break;
+ case WSAEPFNOSUPPORT:
+ p = "Protocol family not supported";
+ break;
+ case WSAEADDRINUSE:
+ p = "Address already in use";
+ break;
+ case WSAEADDRNOTAVAIL:
+ p = "Address not available";
+ break;
+ case WSAENETDOWN:
+ p = "Network down";
+ break;
+ case WSAENETUNREACH:
+ p = "Network unreachable";
+ break;
+ case WSAENETRESET:
+ p = "Network has been reset";
+ break;
+ case WSAECONNABORTED:
+ p = "Connection was aborted";
+ break;
+ case WSAECONNRESET:
+ p = "Connection was reset";
+ break;
+ case WSAENOBUFS:
+ p = "No buffer space";
+ break;
+ case WSAEISCONN:
+ p = "Socket is already connected";
+ break;
+ case WSAENOTCONN:
+ p = "Socket is not connected";
+ break;
+ case WSAESHUTDOWN:
+ p = "Socket has been shut down";
+ break;
+ case WSAETOOMANYREFS:
+ p = "Too many references";
+ break;
+ case WSAETIMEDOUT:
+ p = "Timed out";
+ break;
+ case WSAECONNREFUSED:
+ p = "Connection refused";
+ break;
+ case WSAELOOP:
+ p = "Loop??";
+ break;
+ case WSAENAMETOOLONG:
+ p = "Name too long";
+ break;
+ case WSAEHOSTDOWN:
+ p = "Host down";
+ break;
+ case WSAEHOSTUNREACH:
+ p = "Host unreachable";
+ break;
+ case WSAENOTEMPTY:
+ p = "Not empty";
+ break;
+ case WSAEPROCLIM:
+ p = "Process limit reached";
+ break;
+ case WSAEUSERS:
+ p = "Too many users";
+ break;
+ case WSAEDQUOT:
+ p = "Bad quota";
+ break;
+ case WSAESTALE:
+ p = "Something is stale";
+ break;
+ case WSAEREMOTE:
+ p = "Remote error";
+ break;
+ case WSAEDISCON:
+ p = "Disconnected";
+ break;
+
+ /* Extended Winsock errors */
+ case WSASYSNOTREADY:
+ p = "Winsock library is not ready";
+ break;
+ case WSANOTINITIALISED:
+ p = "Winsock library not initalised";
+ break;
+ case WSAVERNOTSUPPORTED:
+ p = "Winsock version not supported.";
+ break;
+
+ /* getXbyY() errors (already handled in herrmsg):
+ * Authoritative Answer: Host not found */
+ case WSAHOST_NOT_FOUND:
+ p = "Host not found";
+ break;
+
+ /* Non-Authoritative: Host not found, or SERVERFAIL */
+ case WSATRY_AGAIN:
+ p = "Host not found, try again";
+ break;
+
+ /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
+ case WSANO_RECOVERY:
+ p = "Unrecoverable error in call to nameserver";
+ break;
+
+ /* Valid name, no data record of requested type */
+ case WSANO_DATA:
+ p = "No data record of requested type";
+ break;
+
+ default:
+ return NULL;
+ }
+ strncpy (buf, p, len);
+ buf [len-1] = '\0';
+ return buf;
+}
+#endif /* WIN32 && !__CYGWIN__ */
+
+/*
+ * Our thread-safe and smart strerror() replacement.
+ *
+ * The 'err' argument passed in to this function MUST be a true errno number
+ * as reported on this system. We do no range checking on the number before
+ * we pass it to the "number-to-message" convertion function and there might
+ * be systems that don't do proper range checking in there themselves.
+ *
+ * We don't do range checking (on systems other than Windows) since there is
+ * no good reliable and portable way to do it.
+ */
+const char *Curl_strerror(struct connectdata *conn, int err)
+{
+ char *buf, *p;
+ size_t max;
+
+ curlassert(conn);
+ curlassert(err >= 0);
+
+ buf = conn->syserr_buf;
+ max = sizeof(conn->syserr_buf)-1;
+ *buf = '\0';
+
+#if defined(WIN32) && !defined(__CYGWIN__)
+ /* 'sys_nerr' is the maximum errno number, it is not widely portable */
+ if (err >= 0 && err < sys_nerr)
+ strncpy(buf, strerror(err), max);
+ else {
+ if (!get_winsock_error (err, buf, max) &&
+ !FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM, NULL, err,
+ LANG_NEUTRAL, buf, max, NULL))
+ snprintf(buf, max, "Unknown error %d (%#x)", err, err);
+ }
+#else /* not native Windows coming up */
+
+ /* These should be atomic and hopefully thread-safe */
+#ifdef HAVE_STRERROR_R
+ /* There are two different APIs for strerror_r(). The POSIX and the GLIBC
+ versions. */
+#ifdef HAVE_POSIX_STRERROR_R
+ strerror_r(err, buf, max);
+ /* this may set errno to ERANGE if insufficient storage was supplied via
+ 'strerrbuf' and 'buflen' to contain the generated message string, or
+ EINVAL if the value of 'errnum' is not a valid error number.*/
+#else
+ {
+ /* HAVE_GLIBC_STRERROR_R */
+ char buffer[256];
+ char *msg = strerror_r(err, buffer, sizeof(buffer));
+ /* this version of strerror_r() only *might* use the buffer we pass to
+ the function, but it always returns the error message as a pointer,
+ so we must copy that string unconditionally */
+ if ( !msg )
+ {
+ msg = "Unknown System Error";
+ }
+ strncpy(buf, msg, max);
+ }
+#endif /* end of HAVE_GLIBC_STRERROR_R */
+#else /* HAVE_STRERROR_R */
+ {
+ char *msg = strerror(err);
+ if ( !msg )
+ {
+ msg = "Unknown System Error";
+ }
+ strncpy(buf, msg, max);
+ }
+#endif /* end of HAVE_STRERROR_R */
+#endif /* end of ! Windows */
+
+ buf[max] = '\0'; /* make sure the string is zero terminated */
+
+ /* strip trailing '\r\n' or '\n'. */
+ if ((p = strrchr(buf,'\n')) != NULL && (p - buf) >= 2)
+ *p = '\0';
+ if ((p = strrchr(buf,'\r')) != NULL && (p - buf) >= 1)
+ *p = '\0';
+ return buf;
+}
generated by cgit v0.12 at 2025-01-10 04:51:22 (GMT)