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authorTom Gundersen <teg@jklm.no>2015-04-10 20:39:43 +0200
committerTom Gundersen <teg@jklm.no>2015-04-16 16:47:23 +0100
commitaa02962840e10fa7d052760b98a5c092dd0990e1 (patch)
tree1727b9e7fe7fe440b3d6b7d3f0b27a19594c9ba5 /src/shared
parent2d0c1561340efff3265fe89b05eae4ee8f4037a7 (diff)
shared: move assert_return_errno() from libudev
This should not be used for any new code, as we don't set errno in new code, but there are several legacy users, so let's keep it in shared.
Diffstat (limited to 'src/shared')
-rw-r--r--src/shared/macro.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/shared/macro.h b/src/shared/macro.h
index 7f89951d62..7ae1ed80b6 100644
--- 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)
+#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)))