1 files changed, 43 insertions, 0 deletions
diff --git a/usr.sbin/makefs/xmalloc.c b/usr.sbin/makefs/xmalloc.c
new file mode 100644
index 00000000000..1a0e22d2094
--- /dev/null
+++ b/usr.sbin/makefs/xmalloc.c
@@ -0,0 +1,43 @@
+#include <err.h>
+#include <stdlib.h>
+#include <string.h>
+
+void *
+emalloc(size_t size)
+{
+	void *v;
+
+	if ((v = malloc(size)) == NULL)
+		err(1, "malloc");
+	return v;
+}
+
+void *
+ecalloc(size_t nmemb, size_t size)
+{
+	void *v;
+
+	if ((v = calloc(nmemb, size)) == NULL)
+		err(1, "calloc");
+	return v;
+}
+
+void *
+erealloc(void *ptr, size_t size)
+{
+	void *v;
+
+	if ((v = realloc(ptr, size)) == NULL)
+		err(1, "realloc");
+	return v;
+}
+
+char *
+estrdup(const char *s)
+{
+	char *s2;
+
+	if ((s2 = strdup(s)) == NULL)
+		err(1, "strdup");
+	return s2;
+}