Add xrecallocarray.

2 files changed, 15 insertions, 0 deletions

diff --git a/xmalloc.c b/xmalloc.c
index f249e397..d11d8dc7 100644
--- a/xmalloc.c
+++ b/xmalloc.c
@@ -71,6 +71,20 @@ xreallocarray(void *ptr, size_t nmemb, size_t size)
 	return new_ptr;
 }
 
+void *
+xrecallocarray(void *ptr, size_t oldnmemb, size_t nmemb, size_t size)
+{
+	void *new_ptr;
+
+	if (nmemb == 0 || size == 0)
+		fatalx("xrecallocarray: zero size");
+	new_ptr = recallocarray(ptr, oldnmemb, nmemb, size);
+	if (new_ptr == NULL)
+		fatalx("xrecallocarray: allocating %zu * %zu bytes: %s",
+		    nmemb, size, strerror(errno));
+	return new_ptr;
+}
+
 char *
 xstrdup(const char *str)
 {
diff --git a/xmalloc.h b/xmalloc.h
index a3ee486f..3fe4f1cc 100644
--- a/xmalloc.h
+++ b/xmalloc.h
@@ -23,6 +23,7 @@ void	*xmalloc(size_t);
 void	*xcalloc(size_t, size_t);
 void	*xrealloc(void *, size_t);
 void	*xreallocarray(void *, size_t, size_t);
+void	*xrecallocarray(void *, size_t, size_t, size_t);
 char	*xstrdup(const char *);
 char	*xstrndup(const char *, size_t);
 int	 xasprintf(char **, const char *, ...)