xalloc: general purpose memory allocation handling wrappers
Signed-off-by: Davidlohr Bueso <dave@xxxxxxx>
---
include/xalloc.h | 43 +++++++++++++++++++++++++++++++++++++++++++
1 files changed, 43 insertions(+), 0 deletions(-)
create mode 100644 include/xalloc.h
diff --git a/include/xalloc.h b/include/xalloc.h
new file mode 100644
index 0000000..7ac63a6
--- /dev/null
+++ b/include/xalloc.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2010 Davidlohr Bueso <dave@xxxxxxx>
+ *
+ * This file may be redistributed under the terms of the
+ * GNU Lesser General Public License.
+ *
+ * General memory allocation wrappers for malloc, realloc and calloc
+ */
+
+#ifndef UTIL_LINUX_XALLOC
+#define UTIL_LINUX_XALLOC
+
+#include <stdlib.h>
+#include <err.h>
+
+static inline void *xmalloc(const size_t size)
+{
+ void *ret = malloc(size);
+
+ if (!ret)
+ err(EXIT_FAILURE, "cannot allocate %lu bytes", size);
+ return ret;
+}
+
+static inline void *xrealloc(void *ptr, const size_t size)
+{
+ void *ret = realloc(ptr, size);
+
+ if (!ret)
+ err(EXIT_FAILURE, "cannot allocate %lu bytes", size);
+ return ret;
+}
+
+static inline void *xcalloc(const size_t nelems, const size_t size)
+{
+ void *ret = calloc(nelems, size);
+
+ if (!ret)
+ err(EXIT_FAILURE, "cannot allocate %lu bytes", size);
+ return ret;
+}
+
+#endif
--
1.7.0.4
--
To unsubscribe from this list: send the line "unsubscribe util-linux-ng" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
