1From 86dae8010310d13bd2a2beb006b4085d06ae1556 Mon Sep 17 00:00:00 2001
2From: Khem Raj <raj.khem@gmail.com>
3Date: Sun, 25 Jun 2017 00:59:24 -0700
4Subject: [PATCH] tools.cc: fixed unused-result warning
5
6fix
7| ../../squid-3.5.26/src/tools.cc: In function 'void enter_suid()':
8| ../../squid-3.5.26/src/tools.cc:616:11: error: ignoring return value of 'int setuid(__uid_t)', declared with attribute warn_unused_result [-Werror=unused-result]
9|      setuid(0);
10|      ~~~~~~^~~
11
12Signed-off-by: Khem Raj <raj.khem@gmail.com>
13
14---
15 src/tools.cc | 5 +++--
16 1 file changed, 3 insertions(+), 2 deletions(-)
17
18diff --git a/src/tools.cc b/src/tools.cc
19index 5829574..19f0836 100644
20--- a/src/tools.cc
21+++ b/src/tools.cc
22@@ -581,8 +581,10 @@ enter_suid(void)
23         debugs (21, 3, "enter_suid: setresuid failed: " << xstrerr(xerrno));
24     }
25 #else
26-
27-    setuid(0);
28+    if (setuid(0) < 0) {
29+        const auto xerrno = errno;
30+        debugs(50, DBG_IMPORTANT, "WARNING: no_suid: setuid(0): " << xstrerr(xerrno));
31+    }
32 #endif
33 #if HAVE_PRCTL && defined(PR_SET_DUMPABLE)
34     /* Set Linux DUMPABLE flag */
35