Commit 0f936def authored by Richard M. Stallman's avatar Richard M. Stallman

(Fgarbage_collect): Use Vhistory_length for truncating Vcommand_history.

parent 9abbd165
......@@ -48,6 +48,8 @@ extern char *sbrk ();
extern __malloc_size_t _bytes_used;
extern int __malloc_extra_blocks;
extern Lisp_Object Vhistory_length;
#define max(A,B) ((A) > (B) ? (A) : (B))
#define min(A,B) ((A) < (B) ? (A) : (B))
......@@ -1497,10 +1499,13 @@ Garbage collection happens automatically if you cons more than\n\
if (garbage_collection_messages)
message1_nolog ("Garbage collecting...");
/* Don't keep command history around forever */
tem = Fnthcdr (make_number (30), Vcommand_history);
if (CONSP (tem))
XCONS (tem)->cdr = Qnil;
/* Don't keep command history around forever. */
if (NUMBERP (Vhistory_length) && XINT (Vhistory_length) > 0)
{
tem = Fnthcdr (Vhistory_length, Vcommand_history);
if (CONSP (tem))
XCONS (tem)->cdr = Qnil;
}
/* Likewise for undo information. */
{
......
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