duskos

commit 88f476590cbe5690e26bd135f2f4021e49ca36e9
parent db3880b41ff8390890021b7f6a39d24f2594c497
Author: Virgil Dupras <hsoft@hardcoded.net>
Date:   Tue, 29 Nov 2022 13:24:31 -0500

ar/puff: fix porting mistake

I removed a type-casting that was actually important.

Diffstat:
M
fs/ar/puff.c
 | 
6
+++++-

1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/fs/ar/puff.c b/fs/ar/puff.c
@@ -76,6 +76,7 @@ struct state {
 static int bits(state *s, int need)
 {
 	int val;			/* bit accumulator (can use up to 20 bits) */
+	int x; // temporary crutch
 
 	/* load at least need bits into val */
 	val = s->bitbuf;
@@ -84,7 +85,10 @@ static int bits(state *s, int need)
 			fputs("out of input\n", ConsoleOut());
 			abort();
 		}
-		val |= (s->in[s->incnt++]) << s->bitcnt;	/* load eight bits */
+		// TODO: implement typecasting. this should work:
+		// val |= (int)(s->in[s->incnt++]) << s->bitcnt;
+		x = s->in[s->incnt++];
+		val |= x << s->bitcnt;	/* load eight bits */
 		s->bitcnt += 8;
 	}