Return to rename.c CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / curl / lib

Annotation of embedaddon/curl/lib/rename.c, revision 1.1

1.1     ! misho       1: /***************************************************************************
        !             2:  *                                  _   _ ____  _
        !             3:  *  Project                     ___| | | |  _ \| |
        !             4:  *                             / __| | | | |_) | |
        !             5:  *                            | (__| |_| |  _ <| |___
        !             6:  *                             \___|\___/|_| \_\_____|
        !             7:  *
        !             8:  * Copyright (C) 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
        !             9:  *
        !            10:  * This software is licensed as described in the file COPYING, which
        !            11:  * you should have received as part of this distribution. The terms
        !            12:  * are also available at https://curl.haxx.se/docs/copyright.html.
        !            13:  *
        !            14:  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
        !            15:  * copies of the Software, and permit persons to whom the Software is
        !            16:  * furnished to do so, under the terms of the COPYING file.
        !            17:  *
        !            18:  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
        !            19:  * KIND, either express or implied.
        !            20:  *
        !            21:  ***************************************************************************/
        !            22: 
        !            23: #include "rename.h"
        !            24: 
        !            25: #include "curl_setup.h"
        !            26: 
        !            27: #if (!defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)) ||  \
        !            28:   defined(USE_ALTSVC)
        !            29: 
        !            30: #include "timeval.h"
        !            31: 
        !            32: /* The last 3 #include files should be in this order */
        !            33: #include "curl_printf.h"
        !            34: #include "curl_memory.h"
        !            35: #include "memdebug.h"
        !            36: 
        !            37: /* return 0 on success, 1 on error */
        !            38: int Curl_rename(const char *oldpath, const char *newpath)
        !            39: {
        !            40: #ifdef WIN32
        !            41:   /* rename() on Windows doesn't overwrite, so we can't use it here.
        !            42:      MoveFileExA() will overwrite and is usually atomic, however it fails
        !            43:      when there are open handles to the file. */
        !            44:   const int max_wait_ms = 1000;
        !            45:   struct curltime start = Curl_now();
        !            46:   for(;;) {
        !            47:     timediff_t diff;
        !            48:     if(MoveFileExA(oldpath, newpath, MOVEFILE_REPLACE_EXISTING))
        !            49:       break;
        !            50:     diff = Curl_timediff(Curl_now(), start);
        !            51:     if(diff < 0 || diff > max_wait_ms)
        !            52:       return 1;
        !            53:     Sleep(1);
        !            54:   }
        !            55: #else
        !            56:   if(rename(oldpath, newpath))
        !            57:     return 1;
        !            58: #endif
        !            59:   return 0;
        !            60: }
        !            61: 
        !            62: #endif