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btrfs-util: fix creating recursive read-only snapshots
[elogind.git]
/
src
/
shared
/
macro.h
diff --git
a/src/shared/macro.h
b/src/shared/macro.h
index 7f89951d62e00ee5f68809e017c2572f1e174770..7ae1ed80b6d0d9658672e3bc58d0f6084ad1d7f7 100644
(file)
--- a/
src/shared/macro.h
+++ b/
src/shared/macro.h
@@
-256,6
+256,15
@@
static inline unsigned long ALIGN_POWER2(unsigned long u) {
} \
} while (false)
} \
} while (false)
+#define assert_return_errno(expr, r, err) \
+ do { \
+ if (_unlikely_(!(expr))) { \
+ log_assert_failed_return(#expr, __FILE__, __LINE__, __PRETTY_FUNCTION__); \
+ errno = err; \
+ return (r); \
+ } \
+ } while (false)
+
#define PTR_TO_INT(p) ((int) ((intptr_t) (p)))
#define INT_TO_PTR(u) ((void *) ((intptr_t) (u)))
#define PTR_TO_UINT(p) ((unsigned int) ((uintptr_t) (p)))
#define PTR_TO_INT(p) ((int) ((intptr_t) (p)))
#define INT_TO_PTR(u) ((void *) ((intptr_t) (u)))
#define PTR_TO_UINT(p) ((unsigned int) ((uintptr_t) (p)))