shithub: zuke

Download patch

ref: 9c7e0ac79703b69d6182ebc1f628ca18eed438e1
parent: ab23e1cbffa4bea97a99d58fea58b13e1958c9f8
author: Sigrid Solveig Haflínudóttir <[email protected]>
date: Fri Jan 15 06:27:22 EST 2021

new playlist loader: allocate all metadata once

--- a/zuke.c
+++ b/zuke.c
@@ -715,37 +715,33 @@
 {
 	char *s, *e, *a[5];
 	Playlist *pl;
-	Meta *m;
 	int plsz;
+	Meta *m;
 
-	m = nil;
-	if((pl = calloc(1, sizeof(*pl))) == nil){
-nomem:
+	plsz = 0;
+	for(s = raw; (s = strchr(s, '\n')) != nil; s++){
+		if(*(++s) == '\n')
+			plsz++;
+	}
+
+	if((pl = calloc(1, sizeof(*pl))) == nil || (pl->m = calloc(plsz+1, sizeof(Meta))) == nil){
 		freeplist(pl);
 		werrstr("no memory");
 		return nil;
 	}
 
-	plsz = 0;
 	pl->raw = raw;
-	for(s = pl->raw;; s = e){
+	for(s = pl->raw, m = pl->m;; s = e){
 		if((e = strchr(s, '\n')) == nil)
 			break;
-		if(plsz - pl->n < 32){
-			plsz = (plsz + 32)*2;
-			if((m = realloc(pl->m, sizeof(Meta)*plsz)) == nil)
-				goto nomem;
-			pl->m = m;
-			memset(pl->m+pl->n, 0, sizeof(Meta)*(plsz-pl->n));
-		}
-		m = pl->m + pl->n;
 		s += 2;
 		*e++ = 0;
 		switch(s[-2]){
 		case 0:
-			if(m->path != nil)
+			if(m->path != nil){
 				pl->n++;
-			m = nil;
+				m++;
+			}
 			break;
 		case Pimage:
 			if(tokenize(s, a, nelem(a)) >= 4){