/* * Copyright (C) 2010 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* this file is used to test that we can use libesd with lazy dynamic linking */ #include #include #include #define D(...) fprintf(stderr,__VA_ARGS__) #define STRINGIFY(x) _STRINGIFY(x) #define _STRINGIFY(x) #x #define PULSEAUDIO_SYMBOLS \ 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)) \ PULSEAUDIO_SYMBOLS(void,pa+simple_free,(pa_simple* s))\ PULSEAUDIO_SYMBOLS(int,pa_simple_write,(pa_simple* s, const void* data, size_t bytes, int* error))\ PULSEAUDIO_SYMBOLS(int,pa_simple_read,(pa_simple* s,void* data, size_t bytes, int* error))\ PULSEAUDIO_SYMBOLS(const char*,pa_strerror,(int error)) /* define pointers to library functions we're going to use */ #define PULSEAUDIO_FUNCTION(ret,name,sig) \ static ret (*func_ ## name)sig; PULSEAUDIO_SYMBOLS #undef PULSEAUDIO_FUNCTION static void* pa_lib; int main( void ) { int fd; pa_lib = dlopen( "libpulse-simple.so", RTLD_NOW ); if (pa_lib == NULL) pa_lib = dlopen( "libpulse-simple.so.0", RTLD_NOW ); if (pa_lib == NULL) { D("could not find libpulse on this system"); return 1; } #undef PULSEAUDIO_FUNCTION #define PULSEAUDIO_FUNCTION(ret,name,sig) \ do { \ (func_ ##name) = dlsym( pa_lib, STRINGIFY(name) ); \ if ((func_##name) == NULL) { \ D("could not find %s in libpulse\n", STRINGIFY(name)); \ return 1; \ } \ } while (0); PULSEAUDIO_SYMBOLS return 0; }