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* path.cc (path_conv::get_nt_native_path): Avoid dereferencing path when it is

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NULL.
This commit is contained in:
Christopher Faylor
2011-10-23 17:19:17 +00:00
parent 6ae28c2263
commit 1f012519e4
2 changed files with 17 additions and 2 deletions
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9
winsup/cygwin/ChangeLog
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@@ -1,3 +1,8 @@
2011-10-23 Christopher Faylor <me.cygwin2011@cgf.cx>
* path.cc (path_conv::get_nt_native_path): Avoid dereferencing path
when it is NULL.
2011-10-21 Christopher Faylor <me.cygwin2011@cgf.cx>
* dtable.cc (dtable::delete_archetype): Improve debugging output.
@@ -33,6 +38,10 @@
(operator <<): New function.
(operator =): Use eq_worker to perform old functionality.
* child_info.h (NPROCS): Move here from sigproc.cc.
(child_info::nprocs): New field. Not used yet.
(child_info::children):: Ditto.
2011-10-21 Corinna Vinschen <corinna@vinschen.de>
* fhandler_disk_file.cc (fhandler_disk_file::rmdir): Check invalid

10
winsup/cygwin/path.cc
View File

@@ -450,15 +450,21 @@ get_nt_native_path (const char *path, UNICODE_STRING& upath, bool dos)
PUNICODE_STRING
path_conv::get_nt_native_path ()
{
if (!wide_path)
PUNICODE_STRING res;
if (wide_path)
res = &uni_path;
else if (!path)
res = NULL;
else
{
uni_path.Length = 0;
uni_path.MaximumLength = (strlen (path) + 10) * sizeof (WCHAR);
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 ());
res = &uni_path;
}
return &uni_path;
return res;
}
PWCHAR