alsa: Make device enumeration robust against weird results with NULL strings.
diff --git a/src/audio/alsa/SDL_alsa_audio.c b/src/audio/alsa/SDL_alsa_audio.c
index d073595..162ce8c 100644
--- a/src/audio/alsa/SDL_alsa_audio.c
+++ b/src/audio/alsa/SDL_alsa_audio.c
@@ -668,12 +668,17 @@ ALSA_Deinitialize(void)
static void
add_device(const int iscapture, const char *name, const char *_desc)
{
- char *desc = SDL_strdup(_desc);
+ char *desc = NULL;
char *handle = NULL;
- char *ptr;
+ char *ptr = NULL;
+ if (!name || !_desc) {
+ return; /* nothing we can do with this...? */
+ }
+
+ desc = SDL_strdup(_desc);
if (!desc) {
- return;
+ return; /* oh well, out of memory. Skip it. */
}
/* some strings have newlines, like "HDA NVidia, HDMI 0\nHDMI Audio Output" */