The R13B03 release.OTP_R13B03

1 files changed, 255 insertions, 0 deletions

diff --git a/lib/erl_interface/src/misc/ei_x_encode.c b/lib/erl_interface/src/misc/ei_x_encode.c
new file mode 100644
index 0000000000..fa1e26ccbb
--- /dev/null
+++ b/lib/erl_interface/src/misc/ei_x_encode.c
@@ -0,0 +1,255 @@
+/*
+ * %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%
+ *
+
+ */
+/*
+ * ei_x_encode to encode in a self-expanding buffer
+ */
+
+#ifdef VXWORKS
+#include <vxWorks.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#ifdef VRTX
+#define __READY_EXTENSIONS__
+#include <errno.h>
+#endif
+
+#include "eidef.h"
+#include "ei_x_encode.h"
+#include "ei_malloc.h"
+
+int ei_x_extra = 100;
+
+int ei_x_new(ei_x_buff* x)
+{
+    x->buff = ei_malloc(ei_x_extra);
+    x->buffsz = ei_x_extra;
+    x->index = 0;
+    return x->buff != NULL ? 0 : -1;
+}
+
+int ei_x_new_with_version(ei_x_buff* x)
+{
+    if (ei_x_new(x) < 0)
+	return -1;
+    return ei_encode_version(x->buff, &x->index);
+}
+
+int ei_x_free(ei_x_buff* x)
+{
+    if (x->buff == NULL)
+	return -1;
+    ei_free(x->buff);
+    x->buff = NULL;
+    return 0;
+}
+
+int x_fix_buff(ei_x_buff* x, int szneeded)
+{
+    int sz = szneeded + ei_x_extra;
+    if (sz > x->buffsz) {
+	sz += ei_x_extra;	/* to avoid reallocating each and every time */
+	x->buffsz = sz;
+	x->buff = ei_realloc(x->buff, sz);
+    }
+    return x->buff != NULL;
+}
+
+int ei_x_append(ei_x_buff* x, const ei_x_buff* x2)
+{
+    return ei_x_append_buf(x, x2->buff, x2->index);
+}
+
+int ei_x_append_buf(ei_x_buff* x, const char* buf, int len)
+{
+    if (!x_fix_buff(x, x->index+len))
+	return -1;
+    memcpy(&x->buff[x->index], buf, len);
+    x->index += len;
+    return 0;
+}
+
+int ei_x_encode_string(ei_x_buff* x, const char* s)
+{
+    return ei_x_encode_string_len(x, s, strlen(s));
+}
+
+int ei_x_encode_string_len(ei_x_buff* x, const char* s, int len)
+{
+    int i = x->index;
+    ei_encode_string_len(NULL, &i, s, len);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_string_len(x->buff, &x->index, s, len);
+}
+
+int ei_x_encode_binary(ei_x_buff* x, const void* p, int len)
+{
+    int i = x->index;
+    ei_encode_binary(NULL, &i, p, len);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_binary(x->buff, &x->index, p, len);
+}
+
+int ei_x_encode_long(ei_x_buff* x, long n)
+{
+    int i = x->index;
+    ei_encode_long(NULL, &i, n);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_long(x->buff, &x->index, n);
+}
+
+int ei_x_encode_ulong(ei_x_buff* x, unsigned long n)
+{
+    int i = x->index;
+    ei_encode_ulong(NULL, &i, n);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_ulong(x->buff, &x->index, n);
+}
+
+int ei_x_encode_char(ei_x_buff* x, char p)
+{
+    int i = x->index;
+    ei_encode_char(NULL, &i, p);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_char(x->buff, &x->index, p);
+}
+
+int ei_x_encode_boolean(ei_x_buff* x, int p)
+{
+    int i = x->index;
+    ei_encode_boolean(NULL, &i, p);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_boolean(x->buff, &x->index, p);
+}
+
+int ei_x_encode_double(ei_x_buff* x, double dbl)
+{
+    int i = x->index;
+    ei_encode_double(NULL, &i, dbl);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_double(x->buff, &x->index, dbl);
+}
+
+int ei_x_encode_list_header(ei_x_buff* x, long n)
+{
+    int i = x->index;
+    ei_encode_list_header(NULL, &i, n);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_list_header(x->buff, &x->index, n);
+}
+
+int ei_x_encode_empty_list(ei_x_buff* x)
+{
+    int i = x->index;
+    ei_encode_empty_list(NULL, &i);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_empty_list(x->buff, &x->index);
+}
+
+int ei_x_encode_version(ei_x_buff* x)
+{
+    int i = x->index;
+    ei_encode_version(NULL, &i);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_version(x->buff, &x->index);
+}
+
+int ei_x_encode_tuple_header(ei_x_buff* x, long n)
+{
+    int i = x->index;
+    ei_encode_tuple_header(NULL, &i, n);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_tuple_header(x->buff, &x->index, n);
+}
+
+int ei_x_encode_atom(ei_x_buff* x, const char* s)
+{
+    return ei_x_encode_atom_len(x, s, strlen(s));
+}
+
+int ei_x_encode_atom_len(ei_x_buff* x, const char* s, int len)
+{
+    int i = x->index;
+    ei_encode_atom_len(NULL, &i, s, len);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_atom_len(x->buff, &x->index, s, len);
+}
+
+int ei_x_encode_pid(ei_x_buff* x, const erlang_pid* pid)
+{
+    int i = x->index;
+    ei_encode_pid(NULL, &i, pid);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_pid(x->buff, &x->index, pid);
+}
+
+int ei_x_encode_fun(ei_x_buff* x, const erlang_fun* fun)
+{
+    int i = x->index;
+    ei_encode_fun(NULL, &i, fun);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_fun(x->buff, &x->index, fun);
+}
+
+int ei_x_encode_ref(ei_x_buff* x, const erlang_ref* ref)
+{
+    int i = x->index;
+    ei_encode_ref(NULL, &i, ref);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_ref(x->buff, &x->index, ref);
+}
+
+int ei_x_encode_port(ei_x_buff* x, const erlang_port* port)
+{
+    int i = x->index;
+    ei_encode_port(NULL, &i, port);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_port(x->buff, &x->index, port);
+}
+
+int ei_x_encode_trace(ei_x_buff* x, const erlang_trace* trace)
+{
+    int i = x->index;
+    ei_encode_trace(NULL, &i, trace);
+    if (!x_fix_buff(x, i))
+	return -1;
+    return ei_encode_trace(x->buff, &x->index, trace);
+}