shithub: pplay

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pcmmix: fix using stdin only

the heuristic might not work to begin with? not sure

--- a/pcmmix.c

+++ b/pcmmix.c

@@ -11,7 +11,7 @@

 void

 usage(void)

 {

-	fprint(2, "usage: %s [-f] [FILE..]\n", argv0);

+	fprint(2, "usage: %s [-f factor] [FILE..]\n", argv0);

 	exits("usage");

 }

@@ -36,10 +36,12 @@

 		sysfatal("mallocz: %r");

 	fp = ftab;

 	fp->path = "stdin";

-	if((d = dirfstat(0)) == nil)

-		sysfatal("dirfstat: %r");

-	fp->fd = d->length > 0 ? 0 : -1;

-	free(d);

+	if(nf > 1){

+		if((d = dirfstat(0)) == nil)

+			sysfatal("dirfstat: %r");

+		fp->fd = d->length > 0 ? 0 : -1;

+		free(d);

+	}

 	fp++;

 	while(*argv != nil){

 		if((fp->fd = open(*argv, OREAD)) < 0)