mirror/guile
mirror/guile
1
Fork 0
mirror of https://git.savannah.gnu.org/git/guile.git synced 2025-05-01 12:20:26 +02:00
Code Activity

(scm_cons_star): Don't modify the rest list, it belongs to

Browse source 
the caller when cons* is reached through apply.
This commit is contained in:
Kevin Ryde 2005-04-22 23:47:52 +00:00
parent 36ef49fbb4
commit f98f48bd06
1 changed files with 11 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

20
libguile/list.c
View file

@ -133,18 +133,20 @@ SCM_DEFINE (scm_cons_star, "cons*", 1, 0, 1,
"Schemes and in Common LISP.")
#define FUNC_NAME s_scm_cons_star
{
SCM ret = SCM_EOL;
SCM *p = &ret;
SCM_VALIDATE_REST_ARGUMENT (rest);
if (!SCM_NULLP (rest))
for ( ; SCM_CONSP (rest); rest = SCM_CDR (rest))
{
SCM prev = arg = scm_cons (arg, rest);
while (SCM_NNULLP (SCM_CDR (rest)))
{
prev = rest;
rest = SCM_CDR (rest);
}
SCM_SETCDR (prev, SCM_CAR (rest));
*p = scm_cons (arg, SCM_EOL);
p = SCM_CDRLOC (*p);
arg = SCM_CAR (rest);
}
return arg;
*p = arg;
return ret;
}
#undef FUNC_NAME