X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/662887576254386b8e3481f6f3e6f0289f2500aa..d0b4f0acd54eeebcde98a1b4476b232dbece6048:/lib/uaudio.c

diff --git a/lib/uaudio.c b/lib/uaudio.c
index 3625901..7f506ee 100644
--- a/lib/uaudio.c
+++ b/lib/uaudio.c
@@ -50,18 +50,25 @@ 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);
   hash_add(uaudio_options, name, &value, HASH_INSERT_OR_REPLACE);
 }
 
-/** @brief Set a uaudio option */
-char *uaudio_get(const char *name) {
-  const char *value = (uaudio_options ?
-                       *(char **)hash_find(uaudio_options, name)
-                       : NULL);
-  return value ? xstrdup(value) : NULL;
+/** @brief Get a uaudio option */
+char *uaudio_get(const char *name, const char *default_value) {
+  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