Re: [PATCH] libiberty: avoid reading past end of buffer in strndup/xstrndup (PR c/78498)

[Ian Lance Taylor]

On Tue, Nov 29, 2016 at 2:08 PM, David Malcolm <dmalc...@redhat.com> wrote:
>
> gcc/ChangeLog:
>         PR c/78498
>         * selftest.c (selftest::assert_strndup_eq): New function.
>         (selftest::test_strndup): New function.
>         (selftest::test_libiberty): New function.
>         (selftest::selftest_c_tests): Call test_libiberty.
>
> gcc/testsuite/ChangeLog:
>         PR c/78498
>         * gcc.dg/format/pr78494.c: New test case.
>
> libiberty/ChangeLog:
>         PR c/78498
>         * strndup.c (strlen): Delete decl.
>         (strnlen): Add decl.
>         (strndup): Call strnlen rather than strlen.
>         * xstrndup.c: Likewise.

The libiberty changes are fine.

Thanks.

Ian