From 295e632e817df5372f8ca3283166c0b9b203dfad Mon Sep 17 00:00:00 2001
From: Zdenek Kabelac <zkabelac@redhat.com>
Date: Thu, 4 Apr 2024 18:41:42 +0200
Subject: [PATCH] util: add _dm_strncpy

Add internal inline function wrapper for dm_strncpy().
Use it for calls where we test the result.
Avoids emitting warnings in Coverity for unchecked usage.
---
 lib/misc/util.h       | 7 +++++++
 libdm/dm-tools/util.h | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/lib/misc/util.h b/lib/misc/util.h
index 35514eee0..963e43074 100644
--- a/lib/misc/util.h
+++ b/lib/misc/util.h
@@ -35,6 +35,13 @@
 #define uninitialized_var(x) x = x
 #endif
 
+/* Use wrapper for checked results */
+static inline __attribute__((warn_unused_result))
+	int _dm_strncpy(char *dest, const char *src, size_t n)
+{
+	return dm_strncpy(dest, src, n);
+}
+
 /*
  * GCC 3.4 adds a __builtin_clz, which uses the count leading zeros (clz)
  * instruction on arches that have one. Provide a fallback using shifts
diff --git a/libdm/dm-tools/util.h b/libdm/dm-tools/util.h
index 3925a7438..fc60f0437 100644
--- a/libdm/dm-tools/util.h
+++ b/libdm/dm-tools/util.h
@@ -17,6 +17,13 @@
 
 #include <inttypes.h>
 
+/* Use wrapper for checked results */
+static inline __attribute__((warn_unused_result))
+	int _dm_strncpy(char *dest, const char *src, size_t n)
+{
+	return dm_strncpy(dest, src, n);
+}
+
 #define min(a, b) ({ typeof(a) _a = (a); \
 		     typeof(b) _b = (b); \
 		     (void) (&_a == &_b); \