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-rw-r--r--libglusterfs/src/glusterfs/common-utils.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/libglusterfs/src/glusterfs/common-utils.h b/libglusterfs/src/glusterfs/common-utils.h
index 69c258d678f..1954cca639f 100644
--- a/libglusterfs/src/glusterfs/common-utils.h
+++ b/libglusterfs/src/glusterfs/common-utils.h
@@ -18,6 +18,7 @@
#include <string.h>
#include <assert.h>
#include <pthread.h>
+#include <unistd.h>
#include <openssl/md5.h>
#ifndef GF_BSD_HOST_OS
#include <alloca.h>
@@ -26,6 +27,11 @@
#include <fnmatch.h>
#include <uuid/uuid.h>
+/* FreeBSD, etc. */
+#ifndef __BITS_PER_LONG
+#define __BITS_PER_LONG (CHAR_BIT * (sizeof(long)))
+#endif
+
#ifndef ffsll
#define ffsll(x) __builtin_ffsll(x)
#endif
@@ -441,6 +447,15 @@ BIT_VALUE(unsigned char *array, unsigned int index)
} while (0)
#endif
+/* Compile-time assert, borrowed from Linux kernel. */
+#ifdef HAVE_STATIC_ASSERT
+#define GF_STATIC_ASSERT(expr, ...) \
+ __gf_static_assert(expr, ##__VA_ARGS__, #expr)
+#define __gf_static_assert(expr, msg, ...) _Static_assert(expr, msg)
+#else
+#define GF_STATIC_ASSERT(expr, ...)
+#endif
+
#define GF_ABORT(msg...) \
do { \
gf_msg_callingfn("", GF_LOG_CRITICAL, 0, LG_MSG_ASSERTION_FAILED, \