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util: use likely/unlikely for NT_STATUS_* macros

This commit is contained in:
Andrew Tridgell 2009-09-17 09:07:44 -07:00
parent 6dfd10f476
commit 7326b8f63e

View File

@ -637,8 +637,8 @@ NTSTATUS nt_status_string_to_code(const char *nt_status_str);
/** Used by ntstatus_dos_equal: */
extern bool ntstatus_check_dos_mapping;
#define NT_STATUS_IS_OK(x) (NT_STATUS_V(x) == 0)
#define NT_STATUS_IS_ERR(x) ((NT_STATUS_V(x) & 0xc0000000) == 0xc0000000)
#define NT_STATUS_IS_OK(x) (likely(NT_STATUS_V(x) == 0))
#define NT_STATUS_IS_ERR(x) (unlikely((NT_STATUS_V(x) & 0xc0000000) == 0xc0000000))
/* checking for DOS error mapping here is ugly, but unfortunately the
alternative is a very intrusive rewrite of the torture code */
#if _SAMBA_BUILD_ == 4
@ -648,7 +648,7 @@ extern bool ntstatus_check_dos_mapping;
#endif
#define NT_STATUS_HAVE_NO_MEMORY(x) do { \
if (!(x)) {\
if (unlikely(!(x))) { \
return NT_STATUS_NO_MEMORY;\
}\
} while (0)