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* cygheap.h (cwdstuff::get_posix): Convert to const inline method just

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returning pointer to posix path.
	(cwdstuff::reset_posix): Convert to non-inline method taking a wchar_t
	pointer.
	* path.cc (cwdstuff::set): Revert change from 2009-05-13.  Set posix
	to valid incoming path again.
	(cwdstuff::reset_posix): New implementation setting posix path from
	incoming wchar_t path.  Explain usage.
	(cwdstuff::get_posix): Drop implementation.
	(cwdstuff::get): Drop special case to handle empty posix path.
	* syscalls.cc (internal_setlocale): Store old posix cwd as wide char
	path.  Restore posix cwd using new charset.  Explain why.
This commit is contained in:
Corinna Vinschen 2009-09-21 19:29:16 +00:00
parent 92763ad9ba
commit ee42ccd3a2
4 changed files with 40 additions and 29 deletions
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15
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,18 @@
2009-09-21 Corinna Vinschen <corinna@vinschen.de>
* cygheap.h (cwdstuff::get_posix): Convert to const inline method just
returning pointer to posix path.
(cwdstuff::reset_posix): Convert to non-inline method taking a wchar_t
pointer.
* path.cc (cwdstuff::set): Revert change from 2009-05-13. Set posix
to valid incoming path again.
(cwdstuff::reset_posix): New implementation setting posix path from
incoming wchar_t path. Explain usage.
(cwdstuff::get_posix): Drop implementation.
(cwdstuff::get): Drop special case to handle empty posix path.
* syscalls.cc (internal_setlocale): Store old posix cwd as wide char
path. Restore posix cwd using new charset. Explain why.
2009-09-21 Corinna Vinschen <corinna@vinschen.de>
* fhandler_disk_file.cc (fhandler_disk_file::link): Drop faking hardlink

4
winsup/cygwin/cygheap.h
View File

@ -211,8 +211,8 @@ public:
UNICODE_STRING win32;
DWORD drive_length;
static muto cwd_lock;
char *get_posix ();
void reset_posix () { if (posix) posix[0] = '\0'; }
const char *get_posix () const { return posix; };
void reset_posix (wchar_t *);
char *get (char *, int = 1, int = 0, unsigned = NT_MAX_PATH);
HANDLE get_handle () { return dir; }
DWORD get_drive (char * dst)

31
winsup/cygwin/path.cc
View File

@ -3306,8 +3306,8 @@ cwdstuff::set (PUNICODE_STRING nat_cwd, const char *posix_cwd, bool doit)
posix_cwd = (const char *) tp.c_get ();
mount_table->conv_to_posix_path (win32.Buffer, (char *) posix_cwd, 0);
}
if (posix)
posix[0] = '\0';
posix = (char *) crealloc_abort (posix, strlen (posix_cwd) + 1);
stpcpy (posix, posix_cwd);
}
out:
@ -3315,20 +3315,14 @@ out:
return res;
}
/* Copy the value for either the posix or the win32 cwd into a buffer. */
char *
cwdstuff::get_posix ()
/* Store incoming wchar_t path as current posix cwd. This is called from
setlocale so that the cwd is always stored in the right charset. */
void
cwdstuff::reset_posix (wchar_t *w_cwd)
{
if (!posix || !*posix)
{
tmp_pathbuf tp;
char *tocopy = tp.c_get ();
mount_table->conv_to_posix_path (win32.Buffer, tocopy, 0);
posix = (char *) crealloc_abort (posix, strlen (tocopy) + 1);
stpcpy (posix, tocopy);
}
return posix;
size_t len = sys_wcstombs (NULL, (size_t) -1, w_cwd);
posix = (char *) crealloc_abort (posix, len + 1);
sys_wcstombs (posix, len + 1, w_cwd);
}
char *
@ -3356,13 +3350,6 @@ cwdstuff::get (char *buf, int need_posix, int with_chroot, unsigned ulen)
sys_wcstombs (tocopy, NT_MAX_PATH, win32.Buffer,
win32.Length / sizeof (WCHAR));
}
else if (!posix || !*posix)
{
tocopy = tp.c_get ();
mount_table->conv_to_posix_path (win32.Buffer, tocopy, 0);
posix = (char *) crealloc_abort (posix, strlen (tocopy) + 1);
stpcpy (posix, tocopy);
}
else
tocopy = posix;

19
winsup/cygwin/syscalls.cc
View File

@ -4063,6 +4063,16 @@ unlinkat (int dirfd, const char *pathname, int flags)
static char *
internal_setlocale (char *ret)
{
tmp_pathbuf tp;
/* Each setlocale potentially changes the multibyte representation
of the CWD. Therefore we have to reevaluate the CWD's posix path and
store in the new charset. */
/* FIXME: Other buffered paths might be affected as well. */
wchar_t *w_cwd = tp.w_get ();
cwdstuff::cwd_lock.acquire ();
sys_mbstowcs (w_cwd, 32768, cygheap->cwd.get_posix ());
if (*__locale_charset () == 'A')
{
cygheap->locale.mbtowc = __utf8_mbtowc;
@ -4097,11 +4107,10 @@ internal_setlocale (char *ret)
cygheap->locale.wctomb = __wctomb;
}
strcpy (cygheap->locale.charset, __locale_charset ());
/* Each setlocale potentially changes the multibyte representation
of the CWD. Therefore we have to reset the CWD's posix path and
reevaluate the next time it's used. */
/* FIXME: Other buffered paths might be affected as well. */
cygheap->cwd.reset_posix ();
/* See above. */
cygheap->cwd.reset_posix (w_cwd);
cwdstuff::cwd_lock.release ();
return ret;
}