1 files changed, 67 insertions, 0 deletions
diff --git a/android/config/check-esd.c b/android/config/check-esd.c
new file mode 100644
index 0000000..a8eb11b
--- /dev/null
+++ b/android/config/check-esd.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2008 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 <esd.h>
+#include <dlfcn.h>
+#include <stdio.h>
+
+#define  D(...)  fprintf(stderr,__VA_ARGS__)
+#define  STRINGIFY(x)  _STRINGIFY(x)
+#define _STRINGIFY(x)  #x
+
+#define  ESD_SYMBOLS   \
+    ESD_FUNCTION(int,esd_play_stream,(esd_format_t,int,const char*,const char*))   \
+    ESD_FUNCTION(int,esd_record_stream,(esd_format_t,int,const char*,const char*)) \
+    ESD_FUNCTION(int,esd_open_sound,( const char *host )) \
+    ESD_FUNCTION(int,esd_close,(int)) \
+
+/* define pointers to library functions we're going to use */
+#define  ESD_FUNCTION(ret,name,sig)   \
+    static ret  (*func_ ## name)sig;
+
+ESD_SYMBOLS
+
+#undef  ESD_FUNCTION
+static void*    esd_lib;
+
+int main( void ) 
+{
+    int  fd;
+
+    esd_lib = dlopen( "libesd.so", RTLD_NOW );
+    if (esd_lib == NULL)
+        esd_lib = dlopen( "libesd.so.0", RTLD_NOW );
+
+    if (esd_lib == NULL) {
+        D("could not find libesd on this system");
+        return 1;
+    }
+
+#undef  ESD_FUNCTION
+#define ESD_FUNCTION(ret,name,sig)                                               \
+    do {                                                                         \
+        (func_ ##name) = dlsym( esd_lib, STRINGIFY(name) );                      \
+        if ((func_##name) == NULL) {                                             \
+            D("could not find %s in libesd\n", STRINGIFY(name));   \
+            return 1;                                               \
+        }                                                                        \
+    } while (0);
+
+    ESD_SYMBOLS
+
+    return 0;
+}