diff options
Diffstat (limited to 'src/alloc.c')
| -rw-r--r-- | src/alloc.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/alloc.c b/src/alloc.c index 22a15b4ac59..2c7b02f1158 100644 --- a/src/alloc.c +++ b/src/alloc.c @@ -3169,12 +3169,14 @@ allocate_pseudovector (int memlen, int lisplen, struct Lisp_Vector *v = allocate_vectorlike (memlen); /* Catch bogus values. */ - eassert (tag <= PVEC_FONT); + eassert (0 <= tag && tag <= PVEC_FONT); + eassert (0 <= lisplen && lisplen <= zerolen && zerolen <= memlen); eassert (memlen - lisplen <= (1 << PSEUDOVECTOR_REST_BITS) - 1); eassert (lisplen <= (1 << PSEUDOVECTOR_SIZE_BITS) - 1); - /* Only the first lisplen slots will be traced normally by the GC. + /* Only the first LISPLEN slots will be traced normally by the GC. But since Qnil == 0, we can memset Lisp_Object slots as well. */ + verify (NIL_IS_ZERO); memset (v->contents, 0, zerolen * word_size); XSETPVECTYPESIZE (v, tag, lisplen, memlen - lisplen); |