From: Masatake YAMATO <yamato@redhat.com>
Date: Sun, 28 May 2023 03:34:21 +0000 (+0900)
Subject: add the "x" wrapper for reallocarray(3)
X-Git-Tag: v2.40-rc1~429
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3062a58f0ba5fdebc0e06ece63f4ce5b676fcda0;p=thirdparty%2Futil-linux.git

add the "x" wrapper for reallocarray(3)

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

diff --git a/include/xalloc.h b/include/xalloc.h
index 1dee5fe9c2..da9245fdba 100644
--- a/include/xalloc.h
+++ b/include/xalloc.h
@@ -46,6 +46,18 @@ void *xrealloc(void *ptr, const size_t size)
 	return ret;
 }
 
+static inline
+__ul_calloc_size(2, 3)
+__ul_returns_nonnull
+void *xreallocarray(void *ptr, const size_t nelems, const size_t size)
+{
+	void *ret = reallocarray(ptr, nelems, size);
+
+	if (!ret && size && nelems)
+		err(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size);
+	return ret;
+}
+
 static inline
 __ul_calloc_size(1, 2)
 __ul_returns_nonnull