[Emacs-diffs] master 1542d17 2/2: Avoid returning negative numbers from `hash-table-count'

[Paul Eggert]

branch: master
commit 1542d17324c46a1406355ed10a48a97f51014e90
Author: Pip Cet <address@hidden>
Commit: Paul Eggert <address@hidden>

    Avoid returning negative numbers from `hash-table-count'
    
    * src/fns.c (Fhash_table_count): Rehash argument if necessary.
---
 src/fns.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/fns.c b/src/fns.c
index 54dafe0..238a371 100644
--- a/src/fns.c
+++ b/src/fns.c
@@ -4875,7 +4875,9 @@ DEFUN ("hash-table-count", Fhash_table_count, 
Shash_table_count, 1, 1, 0,
        doc: /* Return the number of elements in TABLE.  */)
   (Lisp_Object table)
 {
-  return make_fixnum (check_hash_table (table)->count);
+  struct Lisp_Hash_Table *h = check_hash_table (table);
+  hash_rehash_if_needed (h);
+  return make_fixnum (h->count);
 }