The R13B03 release.OTP_R13B03

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;
+}
+