From: Alejandro Colomar <alx@kernel.org>
Date: Sat, 2 Nov 2024 11:28:44 +0000 (+0100)
Subject: lib/fs/readlink/readlinknul.h: readlinknul(): Silence warning
X-Git-Tag: 4.17.0~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b9d00b64a19fda0e3e39026341d1beb67723b241;p=thirdparty%2Fshadow.git

lib/fs/readlink/readlinknul.h: readlinknul(): Silence warning

Use a temporary variable to silence a sign-mismatch diagnostic.

Signed-off-by: Alejandro Colomar <alx@kernel.org>
---

diff --git a/lib/fs/readlink/readlinknul.h b/lib/fs/readlink/readlinknul.h
index bb228dfa3..b063a508b 100644
--- a/lib/fs/readlink/readlinknul.h
+++ b/lib/fs/readlink/readlinknul.h
@@ -30,20 +30,23 @@ inline int readlinknul(const char *restrict link, char *restrict buf,
 inline int
 readlinknul(const char *restrict link, char *restrict buf, size_t size)
 {
-	ssize_t  len;
+	size_t   ulen;
+	ssize_t  slen;
 
-	len = readlink(link, buf, size);
-	if (len == -1)
+	slen = readlink(link, buf, size);
+	if (slen == -1)
 		return -1;
 
-	if (len == size) {
+	ulen = slen;
+	if (ulen == size) {
 		stpcpy(&buf[size-1], "");
 		errno = E2BIG;
 		return -1;
 	}
 
-	stpcpy(&buf[len], "");
-	return len;
+	stpcpy(&buf[ulen], "");
+
+	return slen;
 }