blobmsg: add blobmsg_realloc_string_buffer()

[project/libubox.git] / utils.h

diff --git a/utils.h b/utils.h
index d1a6cd3..41f39ec 100644 (file)
--- a/utils.h
+++ b/utils.h
@@ -20,6 +20,8 @@
 #define __LIBUBOX_UTILS_H
 
 #include <sys/types.h>
+#include <sys/time.h>
+#include <time.h>
 
 /*
  * calloc_a(size_t len, [void **addr, size_t len,...], NULL)
@@ -38,4 +40,27 @@ void *__calloc_a(size_t len, ...);
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
 #endif
 
+#define __BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
+
+#ifdef __OPTIMIZE__
+extern int __BUILD_BUG_ON_CONDITION_FAILED;
+#define BUILD_BUG_ON(condition)                                        \
+       do {                                                    \
+               __BUILD_BUG_ON(condition);                      \
+               if (condition)                                  \
+                       __BUILD_BUG_ON_CONDITION_FAILED = 1;    \
+       } while(0)
+#else
+#define BUILD_BUG_ON __BUILD_BUG_ON
+#endif
+
+#ifdef __APPLE__
+
+#define CLOCK_REALTIME 0
+#define CLOCK_MONOTONIC        1
+
+void clock_gettime(int type, struct timespec *tv);
+
+#endif
+
 #endif