1 // Copyright 2015 The Android Open Source Project
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #pragma once
16 
17 #include "aemu/base/c_header.h"
18 #include "aemu/base/msvc.h"
19 
20 #include <inttypes.h>
21 #include <sys/types.h>
22 
23 ANDROID_BEGIN_HEADER
24 
25 // Opaque declaration for an object modelling a stream of bytes.
26 // This really is backed by an android::base::Stream implementation.
27 typedef struct Stream Stream;
28 
29 ssize_t stream_read(Stream* stream, void* buffer, size_t size);
30 ssize_t stream_write(Stream* stream, const void* buffer, size_t size);
31 
32 void stream_put_byte(Stream* stream, int v);
33 void stream_put_be16(Stream* stream, uint16_t v);
34 void stream_put_be32(Stream* stream, uint32_t v);
35 void stream_put_be64(Stream* stream, uint64_t v);
36 
37 uint8_t stream_get_byte(Stream* stream);
38 uint16_t stream_get_be16(Stream* stream);
39 uint32_t stream_get_be32(Stream* stream);
40 uint64_t stream_get_be64(Stream* stream);
41 
42 void stream_put_float(Stream* stream, float v);
43 float stream_get_float(Stream* stream);
44 
45 void stream_put_string(Stream* stream, const char* str);
46 
47 // Return a heap-allocated string, or NULL if empty string or error.
48 // Caller must free() the resturned value.
49 char* stream_get_string(Stream* stream);
50 
51 void stream_free(Stream* stream);
52 
53 ANDROID_END_HEADER
54