msvcrt: Return error when previously parsed type is accessed while demangling simple data type.

Signed-off-by: Piotr Caban <piotr@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org> (cherry picked from commit 42c27995) Signed-off-by: Michael Stefaniuc <mstefani@winehq.org>

msvcrt: Return error when previously parsed type is accessed while demangling simple data type.
31b09cda · Piotr Caban · Michael Stefaniuc · 8389f893 · 31b09cda
Commit 31b09cda authored Jul 08, 2016 by Piotr Caban Committed by Michael Stefaniuc Jul 27, 2016
Show whitespace changes
Inline Side-by-side

Showing with 1 addition and 0 deletions

undname.c dlls/msvcrt/undname.c +1 -0

No files found.
--- a/dlls/msvcrt/undname.c
+++ b/dlls/msvcrt/undname.c
@@ -904,6 +904,7 @@ static BOOL demangle_datatype(struct parsed_symbol* sym, struct datatype_t* ct,
    case '5': case '6': case '7': case '8': case '9':
        /* Referring back to previously parsed type */
        /* left and right are pushed as two separate strings */
+        if (!pmt_ref) goto done;
        ct->left = str_array_get_ref(pmt_ref, (dt - '0') * 2);
        ct->right = str_array_get_ref(pmt_ref, (dt - '0') * 2 + 1);
        if (!ct->left) goto done;