From 894e6e1c66b3b7288c3cfca2a6f9d916774d6dea Mon Sep 17 00:00:00 2001
From: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Date: Tue, 24 Mar 2020 12:11:41 -0400
Subject: [PATCH] credentials: implement is_equal
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Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Change-Id: I526fd15b8365fd2a77b5aa5250a75d956fd8efc3
---
 src/common/Makefile.am   |  2 +-
 src/common/credentials.c | 23 +++++++++++++++++++++++
 src/common/credentials.h |  4 ++++
 3 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100644 src/common/credentials.c

diff --git a/src/common/Makefile.am b/src/common/Makefile.am
index 49e9a8fd8..c855dcd7a 100644
--- a/src/common/Makefile.am
+++ b/src/common/Makefile.am
@@ -39,7 +39,7 @@ libcommon_la_SOURCES = \
 	common.h \
 	condition.c \
 	context.c context.h \
-	credentials.h \
+	credentials.c credentials.h \
 	daemonize.c daemonize.h \
 	defaults.c \
 	dynamic-array.c dynamic-array.h \
diff --git a/src/common/credentials.c b/src/common/credentials.c
new file mode 100644
index 000000000..dc1bdd89f
--- /dev/null
+++ b/src/common/credentials.c
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2020 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#include <assert.h>
+#include <stdbool.h>
+#include "credentials.h"
+
+bool lttng_credentials_is_equal(const struct lttng_credentials *a,
+		const struct lttng_credentials *b)
+{
+	assert(a);
+	assert(b);
+
+	if ((a->uid != b->uid) || (a->gid != b->gid)) {
+		return false;
+	}
+
+	return true;
+};
diff --git a/src/common/credentials.h b/src/common/credentials.h
index a0d93308c..9e5fc6260 100644
--- a/src/common/credentials.h
+++ b/src/common/credentials.h
@@ -9,10 +9,14 @@
 #define LTTNG_CREDENTIALS_H
 
 #include <sys/types.h>
+#include <stdbool.h>
 
 struct lttng_credentials {
 	uid_t uid;
 	gid_t gid;
 };
 
+bool lttng_credentials_is_equal(const struct lttng_credentials *a,
+		const struct lttng_credentials *b);
+
 #endif /* LTTNG_CREDENTIALS_H */
-- 
2.34.1