1 files changed, 57 insertions, 0 deletions

diff --git a/shell/ash.c b/shell/ash.c
index ea338f1dd..7264ff7bc 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -13509,6 +13509,63 @@ redirtab_copy(struct redirtab *rdtp)
         *vpp = NULL;
         return start;
 }
+
+#undef shellparam
+#undef redirlist
+#undef varinit
+#undef vartab
+static void
+globals_var_size(struct globals_var *gvp)
+{
+        int i;
+
+        funcblocksize += sizeof(struct globals_var);
+        argv_size(gvp->shellparam.p);
+        redirtab_size(gvp->redirlist);
+        for (i = 0; i < VTABSIZE; i++)
+                var_size(gvp->vartab[i]);
+        for (i = 0; i < ARRAY_SIZE(varinit_data); i++)
+                var_size(gvp->varinit+i);
+        nodeptrsize += 2 + VTABSIZE; /* gvp->redirlist, gvp->shellparam.p, vartab  */
+}
+
+#undef g_nullredirs
+#undef preverrout_fd
+static struct globals_var *
+globals_var_copy(struct globals_var *gvp)
+{
+        int i;
+        struct globals_var *new;
+
+        new = funcblock;
+        funcblock = (char *) funcblock + sizeof(struct globals_var);
+
+        /* shparam */
+        memcpy(&new->shellparam, &gvp->shellparam, sizeof(struct shparam));
+        new->shellparam.malloced = 0;
+        new->shellparam.p = argv_copy(gvp->shellparam.p);
+        SAVE_PTR(new->shellparam.p);
+
+        new->redirlist = redirtab_copy(gvp->redirlist);
+        SAVE_PTR(new->redirlist);
+
+        new->g_nullredirs = gvp->g_nullredirs;
+        new->preverrout_fd = gvp->preverrout_fd;
+        for (i = 0; i < VTABSIZE; i++) {
+                new->vartab[i] = var_copy(gvp->vartab[i]);
+                SAVE_PTR(new->vartab[i]);
+        }
+
+        /* Can't use var_copy because varinit is already allocated */
+        for (i = 0; i < ARRAY_SIZE(varinit_data); i++) {
+                new->varinit[i].next = NULL;
+                new->varinit[i].text = nodeckstrdup(gvp->varinit[i].text);
+                SAVE_PTR(new->varinit[i].text);
+                new->varinit[i].flags = gvp->varinit[i].flags;
+                new->varinit[i].func = gvp->varinit[i].func;
+        }
+        return new;
+}
 /*-
  * Copyright (c) 1989, 1991, 1993, 1994
  *      The Regents of the University of California.  All rights reserved.