cgit

commit 6102bcfce46fd357566941d565b95f78510af79b

Author: Lars Hjemli <hjemli@gmail.com>

cache.c: read(2) returns -1 on error, not 0

Noticed-by: Jim Meyering <jim@meyering.net>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

 cache.c | 2 +-


diff --git a/cache.c b/cache.c
index b701e13ded5a316c5ea432777ad33bd60fde653c..add647ef4661648f922ed246141c216e80b2150f 100644
--- a/cache.c
+++ b/cache.c
@@ -52,7 +52,7 @@ 	if (fstat(slot->cache_fd, &slot->cache_st))
 		return errno;
 
 	slot->bufsize = read(slot->cache_fd, slot->buf, sizeof(slot->buf));
-	if (slot->bufsize == 0)
+	if (slot->bufsize < 0)
 		return errno;
 
 	bufz = memchr(slot->buf, 0, slot->bufsize);