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+To: vim_dev@googlegroups.com
+Subject: Patch 7.4.016
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.4.016
+Problem: MS-Windows: File name completion doesn't work properly with
+ Chinese characters. (Yue Wu)
+Solution: Add fname_casew(). (Ken Takata)
+Files: src/os_win32.c
+
+
+*** ../vim-7.4.015/src/os_win32.c 2013-08-30 17:11:29.000000000 +0200
+--- src/os_win32.c 2013-08-30 17:28:30.000000000 +0200
+***************
+*** 2500,2508 ****
+--- 2500,2624 ----
+ }
+
+
++ #ifdef FEAT_MBYTE
++ /*
++ * fname_casew(): Wide version of fname_case(). Set the case of the file name,
++ * if it already exists. When "len" is > 0, also expand short to long
++ * filenames.
++ * Return FAIL if wide functions are not available, OK otherwise.
++ * NOTE: much of this is identical to fname_case(), keep in sync!
++ */
++ static int
++ fname_casew(
++ WCHAR *name,
++ int len)
++ {
++ WCHAR szTrueName[_MAX_PATH + 2];
++ WCHAR szTrueNameTemp[_MAX_PATH + 2];
++ WCHAR *ptrue, *ptruePrev;
++ WCHAR *porig, *porigPrev;
++ int flen;
++ WIN32_FIND_DATAW fb;
++ HANDLE hFind;
++ int c;
++ int slen;
++
++ flen = (int)wcslen(name);
++ if (flen > _MAX_PATH)
++ return OK;
++
++ /* slash_adjust(name) not needed, already adjusted by fname_case(). */
++
++ /* Build the new name in szTrueName[] one component at a time. */
++ porig = name;
++ ptrue = szTrueName;
++
++ if (iswalpha(porig[0]) && porig[1] == L':')
++ {
++ /* copy leading drive letter */
++ *ptrue++ = *porig++;
++ *ptrue++ = *porig++;
++ *ptrue = NUL; /* in case nothing follows */
++ }
++
++ while (*porig != NUL)
++ {
++ /* copy \ characters */
++ while (*porig == psepc)
++ *ptrue++ = *porig++;
++
++ ptruePrev = ptrue;
++ porigPrev = porig;
++ while (*porig != NUL && *porig != psepc)
++ {
++ *ptrue++ = *porig++;
++ }
++ *ptrue = NUL;
++
++ /* To avoid a slow failure append "\*" when searching a directory,
++ * server or network share. */
++ wcscpy(szTrueNameTemp, szTrueName);
++ slen = (int)wcslen(szTrueNameTemp);
++ if (*porig == psepc && slen + 2 < _MAX_PATH)
++ wcscpy(szTrueNameTemp + slen, L"\\*");
++
++ /* Skip "", "." and "..". */
++ if (ptrue > ptruePrev
++ && (ptruePrev[0] != L'.'
++ || (ptruePrev[1] != NUL
++ && (ptruePrev[1] != L'.' || ptruePrev[2] != NUL)))
++ && (hFind = FindFirstFileW(szTrueNameTemp, &fb))
++ != INVALID_HANDLE_VALUE)
++ {
++ c = *porig;
++ *porig = NUL;
++
++ /* Only use the match when it's the same name (ignoring case) or
++ * expansion is allowed and there is a match with the short name
++ * and there is enough room. */
++ if (_wcsicoll(porigPrev, fb.cFileName) == 0
++ || (len > 0
++ && (_wcsicoll(porigPrev, fb.cAlternateFileName) == 0
++ && (int)(ptruePrev - szTrueName)
++ + (int)wcslen(fb.cFileName) < len)))
++ {
++ wcscpy(ptruePrev, fb.cFileName);
++
++ /* Look for exact match and prefer it if found. Must be a
++ * long name, otherwise there would be only one match. */
++ while (FindNextFileW(hFind, &fb))
++ {
++ if (*fb.cAlternateFileName != NUL
++ && (wcscoll(porigPrev, fb.cFileName) == 0
++ || (len > 0
++ && (_wcsicoll(porigPrev,
++ fb.cAlternateFileName) == 0
++ && (int)(ptruePrev - szTrueName)
++ + (int)wcslen(fb.cFileName) < len))))
++ {
++ wcscpy(ptruePrev, fb.cFileName);
++ break;
++ }
++ }
++ }
++ FindClose(hFind);
++ *porig = c;
++ ptrue = ptruePrev + wcslen(ptruePrev);
++ }
++ else if (hFind == INVALID_HANDLE_VALUE
++ && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
++ return FAIL;
++ }
++
++ wcscpy(name, szTrueName);
++ return OK;
++ }
++ #endif
++
+ /*
+ * fname_case(): Set the case of the file name, if it already exists.
+ * When "len" is > 0, also expand short to long filenames.
++ * NOTE: much of this is identical to fname_casew(), keep in sync!
+ */
+ void
+ fname_case(
+***************
+*** 2520,2530 ****
+ int slen;
+
+ flen = (int)STRLEN(name);
+! if (flen == 0 || flen > _MAX_PATH)
+ return;
+
+ slash_adjust(name);
+
+ /* Build the new name in szTrueName[] one component at a time. */
+ porig = name;
+ ptrue = szTrueName;
+--- 2636,2679 ----
+ int slen;
+
+ flen = (int)STRLEN(name);
+! if (flen == 0)
+ return;
+
+ slash_adjust(name);
+
++ #ifdef FEAT_MBYTE
++ if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
++ {
++ WCHAR *p = enc_to_utf16(name, NULL);
++
++ if (p != NULL)
++ {
++ char_u *q;
++ WCHAR buf[_MAX_PATH + 2];
++
++ wcscpy(buf, p);
++ vim_free(p);
++
++ if (fname_casew(buf, (len > 0) ? _MAX_PATH : 0) == OK)
++ {
++ q = utf16_to_enc(buf, NULL);
++ if (q != NULL)
++ {
++ vim_strncpy(name, q, (len > 0) ? len - 1 : flen);
++ vim_free(q);
++ return;
++ }
++ }
++ }
++ /* Retry with non-wide function (for Windows 98). */
++ }
++ #endif
++
++ /* If 'enc' is utf-8, flen can be larger than _MAX_PATH.
++ * So we should check this after calling wide function. */
++ if (flen > _MAX_PATH)
++ return;
++
+ /* Build the new name in szTrueName[] one component at a time. */
+ porig = name;
+ ptrue = szTrueName;
+*** ../vim-7.4.015/src/version.c 2013-08-30 17:11:29.000000000 +0200
+--- src/version.c 2013-08-30 17:15:06.000000000 +0200
+***************
+*** 740,741 ****
+--- 740,743 ----
+ { /* Add new patch number below this line */
++ /**/
++ 16,
+ /**/
+
+--
+Fingers not found - Pound head on keyboard to continue.
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
+/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\ an exciting new programming language -- http://www.Zimbu.org ///
+ \\\ help me help AIDS victims -- http://ICCF-Holland.org ///