[PATCH] Cygwin: path_conv::eq_worker: add NULL pointer checks
Ken Brown
kbrown@cornell.edu
Sat Nov 14 14:16:25 GMT 2020
Don't call cstrdup on NULL pointers.
---
winsup/cygwin/path.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/winsup/cygwin/path.h b/winsup/cygwin/path.h
index b94f13df8..0b3e72fc1 100644
--- a/winsup/cygwin/path.h
+++ b/winsup/cygwin/path.h
@@ -320,9 +320,11 @@ class path_conv
contrast to statically allocated strings. Calling device::dup()
will duplicate the string if the source was allocated. */
dev.dup ();
- path = cstrdup (in_path);
+ if (in_path)
+ path = cstrdup (in_path);
conv_handle.dup (pc.conv_handle);
- posix_path = cstrdup(pc.posix_path);
+ if (pc.posix_path)
+ posix_path = cstrdup(pc.posix_path);
if (pc.wide_path)
{
wide_path = cwcsdup (uni_path.Buffer);
--
2.29.2
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