1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16/* this file is used to test that we can use libesd with lazy dynamic linking */
17
18#include <esd.h>
19#include <dlfcn.h>
20#include <stdio.h>
21
22#define  D(...)  fprintf(stderr,__VA_ARGS__)
23#define  STRINGIFY(x)  _STRINGIFY(x)
24#define _STRINGIFY(x)  #x
25
26#define  PULSEAUDIO_SYMBOLS \
27    PULSEAUDIO_SYMBOLS(pa_simple*,pa_simple_new,(const char* server,const char* name, pa_stream_direction_t dir, const char* dev, const char* stream_name, const pa_sample_spec* ss, const pa_channel_map* map, const pa_buffer_attr *attr, int *error)) \
28    PULSEAUDIO_SYMBOLS(void,pa+simple_free,(pa_simple* s))\
29    PULSEAUDIO_SYMBOLS(int,pa_simple_write,(pa_simple* s, const void* data, size_t bytes, int* error))\
30    PULSEAUDIO_SYMBOLS(int,pa_simple_read,(pa_simple* s,void* data, size_t bytes, int* error))\
31    PULSEAUDIO_SYMBOLS(const char*,pa_strerror,(int error))
32
33/* define pointers to library functions we're going to use */
34#define  PULSEAUDIO_FUNCTION(ret,name,sig)   \
35    static ret  (*func_ ## name)sig;
36
37PULSEAUDIO_SYMBOLS
38
39#undef  PULSEAUDIO_FUNCTION
40static void*    pa_lib;
41
42int main( void )
43{
44    int  fd;
45
46    pa_lib = dlopen( "libpulse-simple.so", RTLD_NOW );
47    if (pa_lib == NULL)
48        pa_lib = dlopen( "libpulse-simple.so.0", RTLD_NOW );
49
50    if (pa_lib == NULL) {
51        D("could not find libpulse on this system");
52        return 1;
53    }
54
55#undef  PULSEAUDIO_FUNCTION
56#define PULSEAUDIO_FUNCTION(ret,name,sig)                                               \
57    do {                                                                         \
58        (func_ ##name) = dlsym( pa_lib, STRINGIFY(name) );                      \
59        if ((func_##name) == NULL) {                                             \
60            D("could not find %s in libpulse\n", STRINGIFY(name));   \
61            return 1;                                               \
62        }                                                                        \
63    } while (0);
64
65    PULSEAUDIO_SYMBOLS
66
67    return 0;
68}
69