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patch 7.4.1128

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Problem:    MS-Windows: delete() does not recognize junctions.
Solution:   Add mch_isrealdir() for MS-Windows. Update mch_is_symbolic_link().
            (Ken Takata)
This commit is contained in:
Bram Moolenaar
2016-01-17 22:15:16 +01:00
parent 021b593e7e
commit 203258c3ad
4 changed files with 32 additions and 13 deletions
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34
src/os_win32.c
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@@ -3129,6 +3129,17 @@ mch_isdir(char_u *name)
return (f & FILE_ATTRIBUTE_DIRECTORY) != 0;
}
/*
* return TRUE if "name" is a directory, NOT a symlink to a directory
* return FALSE if "name" is not a directory
* return FALSE for error
*/
int
mch_isrealdir(char_u *name)
{
return mch_isdir(name) && !mch_is_symbolic_link(name);
}
/*
* Create directory "name".
* Return 0 on success, -1 on error.
@@ -3190,10 +3201,10 @@ mch_is_hard_link(char_u *fname)
}
/*
* Return TRUE if file "fname" is a symbolic link.
* Return TRUE if "name" is a symbolic link (or a junction).
*/
int
mch_is_symbolic_link(char_u *fname)
mch_is_symbolic_link(char_u *name)
{
HANDLE hFind;
int res = FALSE;
@@ -3204,7 +3215,7 @@ mch_is_symbolic_link(char_u *fname)
WIN32_FIND_DATAW findDataW;
if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
wn = enc_to_utf16(fname, NULL);
wn = enc_to_utf16(name, NULL);
if (wn != NULL)
{
hFind = FindFirstFileW(wn, &findDataW);
@@ -3213,7 +3224,7 @@ mch_is_symbolic_link(char_u *fname)
&& GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
{
/* Retry with non-wide function (for Windows 98). */
hFind = FindFirstFile(fname, &findDataA);
hFind = FindFirstFile(name, &findDataA);
if (hFind != INVALID_HANDLE_VALUE)
{
fileFlags = findDataA.dwFileAttributes;
@@ -3229,7 +3240,7 @@ mch_is_symbolic_link(char_u *fname)
else
#endif
{
hFind = FindFirstFile(fname, &findDataA);
hFind = FindFirstFile(name, &findDataA);
if (hFind != INVALID_HANDLE_VALUE)
{
fileFlags = findDataA.dwFileAttributes;
@@ -3241,7 +3252,8 @@ mch_is_symbolic_link(char_u *fname)
FindClose(hFind);
if ((fileFlags & FILE_ATTRIBUTE_REPARSE_POINT)
&& reparseTag == IO_REPARSE_TAG_SYMLINK)
&& (reparseTag == IO_REPARSE_TAG_SYMLINK
|| reparseTag == IO_REPARSE_TAG_MOUNT_POINT))
res = TRUE;
return res;
@@ -5839,7 +5851,8 @@ mch_delay(
/*
* this version of remove is not scared by a readonly (backup) file
* This version of remove is not scared by a readonly (backup) file.
* This can also remove a symbolic link like Unix.
* Return 0 for success, -1 for failure.
*/
int
@@ -5850,6 +5863,13 @@ mch_remove(char_u *name)
int n;
#endif
/*
* On Windows, deleting a directory's symbolic link is done by
* RemoveDirectory(): mch_rmdir. It seems unnatural, but it is fact.
*/
if (mch_isdir(name) && mch_is_symbolic_link(name))
return mch_rmdir(name);
win32_setattrs(name, FILE_ATTRIBUTE_NORMAL);
#ifdef FEAT_MBYTE