shithub: libobj

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don't fail if there's no material file.

--- a/obj.c

+++ b/obj.c

@@ -281,11 +281,11 @@

 	int nf;

 	if((p = strrchr(curline.file, '/')) != nil)

-		snprint(buf, sizeof buf, "%.*s/%s", p-curline.file, curline.file, file);

+		snprint(buf, sizeof buf, "%.*s/%s", (int)(p-curline.file), curline.file, file);

 	bin = Bopen(buf, OREAD);

 	if(bin == nil)

-		sysfatal("Bopen: %r");

+		return nil;

 	ml = allocmtl(file);

 	m = nil;

@@ -728,7 +728,7 @@

 				*p = 0;

 				if((obj->materials = objmtlparse(buf)) == nil){

 					error("objmtlparse: %r");

-					goto error;

+					fprint(2, "%r");

 				}

 			}else if(strcmp(buf, "usemtl") == 0){

 				while(isspace(c))