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(sys_rename): Handle filenames with accented characters.

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(stat): Handle "c:/.." and "/.." specially.
This commit is contained in:
Geoff Voelker 1998-05-30 23:41:57 +00:00
parent a5b56dcda1
commit eb9ea53f9c
1 changed files with 17 additions and 5 deletions
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22
src/w32.c
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@ -1446,6 +1446,7 @@ sys_rename (const char * oldname, const char * newname)
{
char temp[MAX_PATH];
DWORD attr;
int result;
/* MoveFile on Windows 95 doesn't correctly change the short file name
alias in a number of circumstances (it is not easy to predict when
@ -1484,9 +1485,13 @@ sys_rename (const char * oldname, const char * newname)
name - we will end up deleting the file we are trying to rename! */
newname = map_w32_filename (newname, NULL);
/* TODO: Use GetInformationByHandle (on NT) to ensure newname and temp
do not refer to the same file, eg. through share aliases. */
if (stricmp (newname, temp) != 0
/* Suggested by Pekka Pirila <pekka.pirila@vtt.fi>: stricmp does not
handle accented characters correctly, so comparing filenames will
accidentally delete these files. Instead, do the rename first;
newname will not be deleted if successful or if errno == EACCES.
In this case, delete the file explicitly. */
result = rename (temp, newname);
if (result < 0 && errno == EACCES
&& (attr = GetFileAttributes (newname)) != -1
&& (attr & FILE_ATTRIBUTE_DIRECTORY) == 0)
{
@ -1494,7 +1499,7 @@ sys_rename (const char * oldname, const char * newname)
_unlink (newname);
}
return rename (temp, newname);
return result;
}
int
@ -1628,7 +1633,7 @@ generate_inode_val (const char * name)
int
stat (const char * path, struct stat * buf)
{
char * name;
char *name, *r;
WIN32_FIND_DATA wfd;
HANDLE fh;
DWORD fake_inode;
@ -1650,6 +1655,13 @@ stat (const char * path, struct stat * buf)
return -1;
}
/* If name is "c:/.." or "/.." then stat "c:/" or "/". */
r = IS_DEVICE_SEP (name[1]) ? &name[2] : name;
if (IS_DIRECTORY_SEP (r[0]) && r[1] == '.' && r[2] == '.' && r[3] == '\0')
{
r[1] = r[2] = '\0';
}
/* Remove trailing directory separator, unless name is the root
directory of a drive or UNC volume in which case ensure there
is a trailing separator. */