JehanneOS/newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

* path.cc (getcwd): Allow len == 0 when buf == NULL.

Browse Source
This commit is contained in:
Corinna Vinschen 2001-10-19 19:17:04 +00:00
parent da8f3291d1
commit 5318c49833
2 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,7 @@
2001-10-19 Corinna Vinschen <corinna@vinschen.de>
* path.cc (getcwd): Allow len == 0 when buf == NULL.
2001-10-18 Christopher Faylor <cgf@redhat.com>
* syscalls.cc (_read): Validate input pointer.

2
winsup/cygwin/path.cc
View File

@ -3120,7 +3120,7 @@ char *
getcwd (char *buf, size_t ulen)
{
char* res = NULL;
if (ulen == 0)
if (ulen == 0 && buf)
set_errno (EINVAL);
else if (buf == NULL || !__check_null_invalid_struct_errno (buf, ulen))
res = cygheap->cwd.get (buf, 1, 1, ulen);