1 files changed, 55 insertions, 0 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 28d2f5b9a..1fb2745b3 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -13364,6 +13364,61 @@ SLIST_COPY_BEGIN(strlist_copy,struct strlist)
 (*vpp)->text = nodeckstrdup(vp->text);
 SAVE_PTR((*vpp)->text);
 SLIST_COPY_END()
+
+/*
+ * struct tblentry
+ */
+static void
+tblentry_size(struct tblentry *tep)
+{
+        while (tep) {
+                funcblocksize += sizeof(struct tblentry) + strlen(tep->cmdname) + 1;
+                /* CMDBUILTIN, e->param.cmd needs no pointer relocation */
+                if (tep->cmdtype == CMDFUNCTION) {
+                        funcblocksize += offsetof(struct funcnode, n);
+                        calcsize(&tep->param.func->n);
+                        nodeptrsize++; /* tep->param.func */
+                }
+                nodeptrsize++;  /* tep->next */
+                tep = tep->next;
+        }
+}
+
+static struct tblentry *
+tblentry_copy(struct tblentry *tep)
+{
+        struct tblentry *start;
+        struct tblentry **newp;
+        int size;
+
+        newp = &start;
+        while (tep) {
+                *newp = funcblock;
+                size = sizeof(struct tblentry) + strlen(tep->cmdname) + 1;
+
+                funcblock = (char *) funcblock + size;
+                memcpy(*newp, tep, size);
+                switch (tep->cmdtype) {
+                case CMDBUILTIN:
+                        /* No pointer saving, this field must be fixed by forkshell_init() */
+                        (*newp)->param.cmd = (const struct builtincmd *)(tep->param.cmd - builtintab);
+                        break;
+                case CMDFUNCTION:
+                        (*newp)->param.func = funcblock;
+                        funcblock = (char *) funcblock + offsetof(struct funcnode, n);
+                        copynode(&tep->param.func->n);
+                        SAVE_PTR((*newp)->param.func);
+                        break;
+                default:
+                        break;
+                }
+                SAVE_PTR((*newp)->next);
+                tep = tep->next;
+                newp = &(*newp)->next;
+        }
+        *newp = NULL;
+        return start;
+}
 /*-
  * Copyright (c) 1989, 1991, 1993, 1994
  *      The Regents of the University of California.  All rights reserved.