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-rw-r--r--lib/erl_interface/src/encode/encode_fun.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/lib/erl_interface/src/encode/encode_fun.c b/lib/erl_interface/src/encode/encode_fun.c
new file mode 100644
index 0000000000..54ee2083d6
--- /dev/null
+++ b/lib/erl_interface/src/encode/encode_fun.c
@@ -0,0 +1,82 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2001-2009. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+#include <string.h>
+#include "eidef.h"
+#include "eiext.h"
+#include "putget.h"
+
+int ei_encode_fun(char *buf, int *index, const erlang_fun *p)
+{
+ int ix = *index;
+
+ if (p->arity == -1) {
+ /* ERL_FUN_EXT */
+ if (buf != NULL) {
+ char* s = buf + ix;
+ put8(s, ERL_FUN_EXT);
+ put32be(s, p->n_free_vars);
+ }
+ ix += sizeof(char) + 4;
+ if (ei_encode_pid(buf, &ix, &p->pid) < 0)
+ return -1;
+ if (ei_encode_atom(buf, &ix, p->module) < 0)
+ return -1;
+ if (ei_encode_long(buf, &ix, p->index) < 0)
+ return -1;
+ if (ei_encode_long(buf, &ix, p->uniq) < 0)
+ return -1;
+ if (buf != NULL)
+ memcpy(buf + ix, p->free_vars, p->free_var_len);
+ ix += p->free_var_len;
+ } else {
+ char *size_p;
+ /* ERL_NEW_FUN_EXT */
+ if (buf != NULL) {
+ char* s = buf + ix;
+ put8(s, ERL_NEW_FUN_EXT);
+ size_p = s;
+ s += 4;
+ put8(s, p->arity);
+ memcpy(s, p->md5, sizeof(p->md5));
+ s += sizeof(p->md5);
+ put32be(s, p->index);
+ put32be(s, p->n_free_vars);
+ } else
+ size_p = NULL;
+ ix += 1 + 4 + 1 + sizeof(p->md5) + 4 + 4;
+ if (ei_encode_atom(buf, &ix, p->module) < 0)
+ return -1;
+ if (ei_encode_long(buf, &ix, p->old_index) < 0)
+ return -1;
+ if (ei_encode_long(buf, &ix, p->uniq) < 0)
+ return -1;
+ if (ei_encode_pid(buf, &ix, &p->pid) < 0)
+ return -1;
+ if (buf != NULL)
+ memcpy(buf + ix, p->free_vars, p->free_var_len);
+ ix += p->free_var_len;
+ if (size_p != NULL) {
+ int sz = buf + ix - size_p;
+ put32be(size_p, sz);
+ }
+ }
+ *index = ix;
+ return 0;
+}
+