From: Jeff King <peff@peff.net>
Date: Tue, 24 Jul 2018 10:51:25 +0000 (-0400)
Subject: strbuf_readlink: use ssize_t
X-Git-Tag: v2.19.0-rc0~71^2~2
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/f3e76ed228d60688b49dbc2735e4633e55969e30?ds=inline;hp=--cc

strbuf_readlink: use ssize_t

The return type of readlink() is ssize_t, not int. This
probably doesn't matter in practice, as it would require a
2GB symlink destination, but it doesn't hurt to be careful.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

f3e76ed228d60688b49dbc2735e4633e55969e30
diff --git a/strbuf.c b/strbuf.c
index 6ff1f80129..db9069c937 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -469,7 +469,7 @@ int strbuf_readlink(struct strbuf *sb, const char *path, size_t hint)
 		hint = 32;
 
 	while (hint < STRBUF_MAXLINK) {
-		int len;
+		ssize_t len;
 
 		strbuf_grow(sb, hint);
 		len = readlink(path, sb->buf, hint);