shithub: cuefs

Info  •  Files  •  Log

Fix buffer overflow causing crash on unmount

--- a/BUGS

+++ b/BUGS

@@ -1,5 +1,4 @@

 • unsure if seeking on a file works correctly

-• sometimes crashes on unmount (buffer overflow caught by free())

 • current treatment of lossy sources is less than ideal

 • can only serve .wav and raw pcm files (no flac encoder)

 • everything will get resampled to 44100kHz/16bit/2channel

--- a/cue.c

+++ b/cue.c

@@ -187,7 +187,7 @@

 void

 settimestamp(Cuesheet *c, int i, Timestamp t)

 {

-	Start *entry, *before;

+	Start *entry, **p;

 	if(c->curentry == nil)

 		parserfatal("timestamp outside of track");

@@ -198,17 +198,15 @@

 	entry->Timestamp = t;

 	entry->index = i;

-	before = nil;

+	p = &c->curentry->starts;

-	if(c->curentry->starts == nil)

-		c->curentry->starts = entry;

-	else

+	while((*p) && (*p)->index < i)

 	{

-		for(Start *s = c->curentry->starts; s != nil && s->index < i; s++)

-			before = s;

-		entry->next = before->next;

-		before->next = entry;

+		p = &(*p)->next;

 	}

+

+	entry->next = *p;

+	*p = entry;

 }

 char*