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* path.cc (symlink_worker): Rework error handling to generate Linux

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compatible errno in case of trailing slash in newpath.
This commit is contained in:
Corinna Vinschen 2009-09-22 09:24:30 +00:00
parent 29bca9bb0c
commit 4401b147bb
2 changed files with 18 additions and 4 deletions
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5
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,8 @@
2009-09-22 Corinna Vinschen <corinna@vinschen.de>
* path.cc (symlink_worker): Rework error handling to generate Linux
compatible errno in case of trailing slash in newpath.
2009-09-22 Eric Blake <ebb9@byu.net>
* dtable.h (OPEN_MAX_MAX): New macro.

17
winsup/cygwin/path.cc
View File

@ -1376,6 +1376,7 @@ symlink_worker (const char *oldpath, const char *newpath, bool use_winsym,
tmp_pathbuf tp;
unsigned check_opt;
bool mk_winsym = use_winsym;
bool has_trailing_dirsep = false;
/* POSIX says that empty 'newpath' is invalid input while empty
'oldpath' is valid -- it's symlink resolver job to verify if
@ -1395,12 +1396,13 @@ symlink_worker (const char *oldpath, const char *newpath, bool use_winsym,
goto done;
}
len = strlen (newpath);
/* Trailing dirsep is a no-no. */
if (isdirsep (newpath[len - 1]))
len = strlen (newpath);
has_trailing_dirsep = isdirsep (newpath[len - 1]);
if (has_trailing_dirsep)
{
set_errno (ENOENT);
goto done;
newpath = strdup (newpath);
((char *) newpath)[len - 1] = '\0';
}
check_opt = PC_SYM_NOFOLLOW | PC_POSIX | (isdevice ? PC_NOWARN : 0);
@ -1433,6 +1435,11 @@ symlink_worker (const char *oldpath, const char *newpath, bool use_winsym,
set_errno (EEXIST);
goto done;
}
if (has_trailing_dirsep && !win32_newpath.exists ())
{
set_errno (ENOENT);
goto done;
}
if (!isdevice && win32_newpath.fs_is_nfs ())
{
@ -1667,6 +1674,8 @@ symlink_worker (const char *oldpath, const char *newpath, bool use_winsym,
done:
syscall_printf ("%d = symlink_worker (%s, %s, %d, %d)", res, oldpath,
newpath, mk_winsym, isdevice);
if (has_trailing_dirsep)
free ((void *) newpath);
return res;
}