* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 2004 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2004 - 2017, 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
#include "curl_memory.h"
#include "memdebug.h"
+#if defined(WIN32) || defined(_WIN32_WCE)
+#define PRESERVE_WINDOWS_ERROR_CODE
+#endif
+
const char *
curl_easy_strerror(CURLcode error)
{
case CURLE_HTTP2_STREAM:
return "Stream error in the HTTP/2 framing layer";
+ case CURLE_RECURSIVE_API_CALL:
+ return "API function called from within callback";
+
/* error codes not used by current libcurl */
case CURLE_OBSOLETE20:
case CURLE_OBSOLETE24:
case CURLM_ADDED_ALREADY:
return "The easy handle is already added to a multi handle";
+ case CURLM_RECURSIVE_API_CALL:
+ return "API function called from within callback";
+
case CURLM_LAST:
break;
}
static const char *
get_winsock_error (int err, char *buf, size_t len)
{
+#ifdef PRESERVE_WINDOWS_ERROR_CODE
+ DWORD old_win_err = GetLastError();
+#endif
+ int old_errno = errno;
const char *p;
#ifndef CURL_DISABLE_VERBOSE_STRINGS
#endif
strncpy(buf, p, len);
buf [len-1] = '\0';
+
+ if(errno != old_errno)
+ errno = old_errno;
+
+#ifdef PRESERVE_WINDOWS_ERROR_CODE
+ if(old_win_err != GetLastError())
+ SetLastError(old_win_err);
+#endif
+
return buf;
}
#endif /* USE_WINSOCK */
*/
const char *Curl_strerror(struct connectdata *conn, int err)
{
+#ifdef PRESERVE_WINDOWS_ERROR_CODE
+ DWORD old_win_err = GetLastError();
+#endif
+ int old_errno = errno;
char *buf, *p;
size_t max;
- int old_errno = ERRNO;
DEBUGASSERT(conn);
DEBUGASSERT(err >= 0);
if(p && (p - buf) >= 1)
*p = '\0';
- if(old_errno != ERRNO)
- SET_ERRNO(old_errno);
+ if(errno != old_errno)
+ errno = old_errno;
+
+#ifdef PRESERVE_WINDOWS_ERROR_CODE
+ if(old_win_err != GetLastError())
+ SetLastError(old_win_err);
+#endif
return buf;
}
#ifdef USE_WINDOWS_SSPI
const char *Curl_sspi_strerror (struct connectdata *conn, int err)
{
+#ifdef PRESERVE_WINDOWS_ERROR_CODE
+ DWORD old_win_err = GetLastError();
+#endif
+ int old_errno = errno;
+ const char *txt;
+ char *outbuf;
+ size_t outmax;
#ifndef CURL_DISABLE_VERBOSE_STRINGS
char txtbuf[80];
char msgbuf[sizeof(conn->syserr_buf)];
char *p, *str, *msg = NULL;
bool msg_formatted = FALSE;
- int old_errno;
#endif
- const char *txt;
- char *outbuf;
- size_t outmax;
DEBUGASSERT(conn);
#ifndef CURL_DISABLE_VERBOSE_STRINGS
- old_errno = ERRNO;
-
switch(err) {
case SEC_E_OK:
txt = "No error";
strncpy(outbuf, str, outmax);
}
- if(old_errno != ERRNO)
- SET_ERRNO(old_errno);
-
#else
if(err == SEC_E_OK)
outbuf[outmax] = '\0';
+ if(errno != old_errno)
+ errno = old_errno;
+
+#ifdef PRESERVE_WINDOWS_ERROR_CODE
+ if(old_win_err != GetLastError())
+ SetLastError(old_win_err);
+#endif
+
return outbuf;
}
#endif /* USE_WINDOWS_SSPI */