diff options
author | Devtools Arcadia <[email protected]> | 2022-02-07 18:08:42 +0300 |
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committer | Devtools Arcadia <[email protected]> | 2022-02-07 18:08:42 +0300 |
commit | 1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch) | |
tree | e26c9fed0de5d9873cce7e00bc214573dc2195b7 /contrib/libs/curl/lib/rename.c |
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'contrib/libs/curl/lib/rename.c')
-rw-r--r-- | contrib/libs/curl/lib/rename.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/contrib/libs/curl/lib/rename.c b/contrib/libs/curl/lib/rename.c new file mode 100644 index 00000000000..f858d436955 --- /dev/null +++ b/contrib/libs/curl/lib/rename.c @@ -0,0 +1,71 @@ +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 2020, Daniel Stenberg, <[email protected]>, 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 https://curl.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 "rename.h" + +#include "curl_setup.h" + +#if (!defined(CURL_DISABLE_HTTP) || !defined(CURL_DISABLE_COOKIES)) || \ + !defined(CURL_DISABLE_ALTSVC) + +#include "curl_multibyte.h" +#include "timeval.h" + +/* The last 3 #include files should be in this order */ +#include "curl_printf.h" +#include "curl_memory.h" +#include "memdebug.h" + +/* return 0 on success, 1 on error */ +int Curl_rename(const char *oldpath, const char *newpath) +{ +#ifdef WIN32 + /* rename() on Windows doesn't overwrite, so we can't use it here. + MoveFileEx() will overwrite and is usually atomic, however it fails + when there are open handles to the file. */ + const int max_wait_ms = 1000; + struct curltime start = Curl_now(); + TCHAR *tchar_oldpath = curlx_convert_UTF8_to_tchar((char *)oldpath); + TCHAR *tchar_newpath = curlx_convert_UTF8_to_tchar((char *)newpath); + for(;;) { + timediff_t diff; + if(MoveFileEx(tchar_oldpath, tchar_newpath, MOVEFILE_REPLACE_EXISTING)) { + curlx_unicodefree(tchar_oldpath); + curlx_unicodefree(tchar_newpath); + break; + } + diff = Curl_timediff(Curl_now(), start); + if(diff < 0 || diff > max_wait_ms) { + curlx_unicodefree(tchar_oldpath); + curlx_unicodefree(tchar_newpath); + return 1; + } + Sleep(1); + } +#else + if(rename(oldpath, newpath)) + return 1; +#endif + return 0; +} + +#endif |