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authorDavidlohr Bueso2010-10-15 19:03:25 +0200
committerKarel Zak2010-10-21 10:28:05 +0200
commitd7df7ba2646fae6e9a7e083fb693eb35b702008c (patch)
tree28b0796929e2a5d12b46c8bacb66cfeeee76fcd6 /include
parentlibblkid: fix memory leak (diff)
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xalloc: general purpose memory allocation handling wrappers
[kzak@redhat.com: - use %zu for size_t] Signed-off-by: Davidlohr Bueso <dave@gnu.org> Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/xalloc.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/include/xalloc.h b/include/xalloc.h
new file mode 100644
index 000000000..2a8c78bc0
--- /dev/null
+++ b/include/xalloc.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2010 Davidlohr Bueso <dave@gnu.org>
+ *
+ * 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_H
+#define UTIL_LINUX_XALLOC_H
+
+#include <stdlib.h>
+#include <err.h>
+
+static inline __attribute__((alloc_size(1)))
+void *xmalloc(const size_t size)
+{
+ void *ret = malloc(size);
+
+ if (!ret && size)
+ err(EXIT_FAILURE, "cannot allocate %zu bytes", size);
+ return ret;
+}
+
+static inline __attribute__((alloc_size(2)))
+void *xrealloc(void *ptr, const size_t size)
+{
+ void *ret = realloc(ptr, size);
+
+ if (!ret && size)
+ err(EXIT_FAILURE, "cannot allocate %zu bytes", size);
+ return ret;
+}
+
+static inline __attribute__((alloc_size(1,2)))
+void *xcalloc(const size_t nelems, const size_t size)
+{
+ void *ret = calloc(nelems, size);
+
+ if (!ret && size && nelems)
+ err(EXIT_FAILURE, "cannot allocate %zu bytes", size);
+ return ret;
+}
+
+#endif