X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/b50cfb8a0d4fc71877ae0bfcd7b28879886a2ac1..ba70caca3f9debf14c9f551ff4dcaddd1eb07d3d:/lib/uaudio.c

diff --git a/lib/uaudio.c b/lib/uaudio.c
index 2f6b67c..7f506ee 100644
--- a/lib/uaudio.c
+++ b/lib/uaudio.c
@@ -50,6 +50,11 @@ 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 +63,12 @@ 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