From: Masatake YAMATO <yamato@redhat.com>
Date: Thu, 26 Sep 2024 18:58:07 +0000 (+0900)
Subject: xalloc.h: add xmemdup
X-Git-Tag: v2.42-start~184^2~6
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2afb7e6ef49e10163f231a74fb7600637f9c309d;p=thirdparty%2Futil-linux.git

xalloc.h: add xmemdup

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
---

diff --git a/include/xalloc.h b/include/xalloc.h
index 6675988d6..1ece82d56 100644
--- a/include/xalloc.h
+++ b/include/xalloc.h
@@ -72,6 +72,18 @@ void *xcalloc(const size_t nelems, const size_t size)
 	return ret;
 }
 
+static inline
+__attribute__((warn_unused_result))
+__ul_alloc_size(2)
+__ul_returns_nonnull
+void *xmemdup(const void *ptr, size_t size)
+{
+	void *ret = xmalloc(size);
+
+	memcpy(ret, ptr, size);
+	return ret;
+}
+
 static inline
 __attribute__((warn_unused_result))
 __ul_returns_nonnull