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Cygwin: get_nt_native_path: allow to append suffix 

POSIX message queues will be moved into NTFS streams.
Extend get_nt_native_path to provide a filename suffix which is not
subject to special character transposition, to allow specifying
a colon.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2021-05-25 16:24:58 +02:00
parent 4ea7c12a20
commit 15c96f2b26
2 changed files with 8 additions and 2 deletions
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8
winsup/cygwin/path.cc
View File

@ -502,8 +502,10 @@ path_conv::set_nt_native_path (PUNICODE_STRING new_path)
uni_path.Buffer = wide_path;
}
/* If suffix is not NULL, append the suffix string verbatim.
This is used by fhandler_mqueue::mq_open to append an NTFS stream suffix. */
PUNICODE_STRING
path_conv::get_nt_native_path ()
path_conv::get_nt_native_path (PUNICODE_STRING suffix)
{
PUNICODE_STRING res;
if (wide_path)
@ -514,9 +516,13 @@ path_conv::get_nt_native_path ()
{
uni_path.Length = 0;
uni_path.MaximumLength = (strlen (path) + 10) * sizeof (WCHAR);
if (suffix)
uni_path.MaximumLength += suffix->Length;
wide_path = (PWCHAR) cmalloc_abort (HEAP_STR, uni_path.MaximumLength);
uni_path.Buffer = wide_path;
::get_nt_native_path (path, uni_path, has_dos_filenames_only ());
if (suffix)
RtlAppendUnicodeStringToString (&uni_path, suffix);
res = &uni_path;
}
return res;

2
winsup/cygwin/path.h
View File

@ -282,7 +282,7 @@ class path_conv
~path_conv ();
inline const char *get_win32 () const { return path; }
void set_nt_native_path (PUNICODE_STRING);
PUNICODE_STRING get_nt_native_path ();
PUNICODE_STRING get_nt_native_path (PUNICODE_STRING = NULL);
inline POBJECT_ATTRIBUTES get_object_attr (OBJECT_ATTRIBUTES &attr,
SECURITY_ATTRIBUTES &sa)
{