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updated for version 7.0210

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This commit is contained in:
Bram Moolenaar
2006-02-28 23:52:23 +00:00
parent b388adb188
commit 03f4855fc2
3 changed files with 79 additions and 0 deletions
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23
src/fileio.c
View File

@@ -2357,6 +2357,22 @@ failed:
curbuf->b_op_start.col = 0;
curbuf->b_op_end.lnum = from + linecnt;
curbuf->b_op_end.col = 0;
#ifdef WIN32
/*
* Work around a weird problem: When a file has two links (only
* possible on NTFS) and we write through one link, then stat() it
* throught the other link, the timestamp information may be wrong.
* It's correct again after reading the file, thus reset the timestamp
* here.
*/
if (newfile && !read_stdin && !read_buffer
&& mch_stat((char *)fname, &st) >= 0)
{
buf_store_time(curbuf, &st, fname);
curbuf->b_mtime_read = curbuf->b_mtime;
}
#endif
}
msg_scroll = msg_save;
@@ -3263,6 +3279,13 @@ buf_write(buf, fname, sfname, start, end, eap, append, forceit,
)
backup_copy = TRUE;
else
# else
# ifdef WIN32
/* On NTFS file systems hard links are possible. */
if (mch_is_linked(fname))
backup_copy = TRUE;
else
# endif
# endif
{
/*

55
src/os_win32.c
View File

@@ -2547,6 +2547,61 @@ mch_isdir(char_u *name)
return (f & FILE_ATTRIBUTE_DIRECTORY) != 0;
}
/*
* Return TRUE if file "fname" has more than one link.
*/
int
mch_is_linked(char_u *fname)
{
HANDLE hFile;
int res = 0;
BY_HANDLE_FILE_INFORMATION inf;
#ifdef FEAT_MBYTE
WCHAR *wn = NULL;
if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
wn = enc_to_ucs2(fname, NULL);
if (wn != NULL)
{
hFile = CreateFileW(wn, /* file name */
GENERIC_READ, /* access mode */
0, /* share mode */
NULL, /* security descriptor */
OPEN_EXISTING, /* creation disposition */
0, /* file attributes */
NULL); /* handle to template file */
if (hFile == INVALID_HANDLE_VALUE
&& GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
{
/* Retry with non-wide function (for Windows 98). */
vim_free(wn);
wn = NULL;
}
}
if (wn == NULL)
#endif
hFile = CreateFile(fname, /* file name */
GENERIC_READ, /* access mode */
0, /* share mode */
NULL, /* security descriptor */
OPEN_EXISTING, /* creation disposition */
0, /* file attributes */
NULL); /* handle to template file */
if (hFile != INVALID_HANDLE_VALUE)
{
if (GetFileInformationByHandle(hFile, &inf) != 0
&& inf.nNumberOfLinks > 1)
res = 1;
CloseHandle(hFile);
}
#ifdef FEAT_MBYTE
vim_free(wn);
#endif
return res;
}
/*
* Return TRUE if file or directory "name" is writable (not readonly).
* Strange semantics of Win32: a readonly directory is writable, but you can't

1
src/proto/undo.pro
View File

@@ -7,6 +7,7 @@ int u_savedel __ARGS((linenr_T lnum, long nlines));
void u_undo __ARGS((int count));
void u_redo __ARGS((int count));
void u_sync __ARGS((void));
void ex_undojoin __ARGS((exarg_T *eap));
void u_unchanged __ARGS((buf_T *buf));
void u_clearall __ARGS((buf_T *buf));
void u_saveline __ARGS((linenr_T lnum));