X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/b50cfb8a0d4fc71877ae0bfcd7b28879886a2ac1..cc3456940b6b30a0fc4f83226c34e4e873336cd0:/lib/uaudio.c

diff --git a/lib/uaudio.c b/lib/uaudio.c
index 2f6b67c..e793045 100644
--- a/lib/uaudio.c
+++ b/lib/uaudio.c
@@ -24,6 +24,7 @@
 #include "uaudio.h"
 #include "hash.h"
 #include "mem.h"
+#include "log.h"
 
 /** @brief Options for chosen uaudio API */
 static hash *uaudio_options;
@@ -50,6 +51,11 @@ size_t uaudio_sample_size;
 
 /** @brief Set a uaudio option */
 void uaudio_set(const char *name, const char *value) {
+  if(!value) {
+    if(uaudio_options)
+      hash_remove(uaudio_options, name);
+    return;
+  }
   if(!uaudio_options)
     uaudio_options = hash_new(sizeof(char *));
   value = xstrdup(value);
@@ -58,10 +64,12 @@ void uaudio_set(const char *name, const char *value) {
 
 /** @brief Get a uaudio option */
 char *uaudio_get(const char *name, const char *default_value) {
-  const char *value = (uaudio_options ?
-                       *(char **)hash_find(uaudio_options, name)
-                       : default_value);
-  return value ? xstrdup(value) : NULL;
+  if(!uaudio_options)
+    return default_value ? xstrdup(default_value) : 0;
+  char **valuep = hash_find(uaudio_options, name);
+  if(!valuep)
+    return default_value ? xstrdup(default_value) : 0;
+  return xstrdup(*valuep);
 }
 
 /** @brief Set sample format