diff options
Diffstat (limited to 'source4')
-rw-r--r-- | source4/lib/replace/README | 6 | ||||
-rw-r--r-- | source4/lib/replace/replace.h | 29 | ||||
-rw-r--r-- | source4/lib/util/util.h | 25 |
3 files changed, 35 insertions, 25 deletions
diff --git a/source4/lib/replace/README b/source4/lib/replace/README index c2de560314..77558b2ca9 100644 --- a/source4/lib/replace/README +++ b/source4/lib/replace/README @@ -86,6 +86,12 @@ __STRINGSTRING MIN MAX QSORT_CAST +ZERO_STRUCT +ZERO_STRUCTP +ZERO_STRUCTPN +ZERO_ARRAY +ARRAY_SIZE +PTR_DIFF Headers: stdint.h diff --git a/source4/lib/replace/replace.h b/source4/lib/replace/replace.h index 840b448d24..b96356ac46 100644 --- a/source4/lib/replace/replace.h +++ b/source4/lib/replace/replace.h @@ -451,6 +451,35 @@ typedef int bool; #define __location__ __FILE__ ":" __LINESTR__ #endif +/** + * zero a structure + */ +#define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x)) + +/** + * zero a structure given a pointer to the structure + */ +#define ZERO_STRUCTP(x) do { if ((x) != NULL) memset((char *)(x), 0, sizeof(*(x))); } while(0) + +/** + * zero a structure given a pointer to the structure - no zero check + */ +#define ZERO_STRUCTPN(x) memset((char *)(x), 0, sizeof(*(x))) + +/* zero an array - note that sizeof(array) must work - ie. it must not be a + pointer */ +#define ZERO_ARRAY(x) memset((char *)(x), 0, sizeof(x)) + +/** + * work out how many elements there are in a static array + */ +#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0])) + +/** + * pointer difference macro + */ +#define PTR_DIFF(p1,p2) ((ptrdiff_t)(((const char *)(p1)) - (const char *)(p2))) + #if MMAP_BLACKLIST #undef HAVE_MMAP #endif diff --git a/source4/lib/util/util.h b/source4/lib/util/util.h index dd6c1499bd..cfd77e5a13 100644 --- a/source4/lib/util/util.h +++ b/source4/lib/util/util.h @@ -41,31 +41,6 @@ extern const char *panic_action; #include "util/byteorder.h" #include "lib/util/util_proto.h" -/** - * zero a structure - */ -#define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x)) - -/** - * zero a structure given a pointer to the structure - */ -#define ZERO_STRUCTP(x) do { if ((x) != NULL) memset((char *)(x), 0, sizeof(*(x))); } while(0) - -/** - * zero a structure given a pointer to the structure - no zero check - */ -#define ZERO_STRUCTPN(x) memset((char *)(x), 0, sizeof(*(x))) - -/** - * pointer difference macro - */ -#define PTR_DIFF(p1,p2) ((ptrdiff_t)(((const char *)(p1)) - (const char *)(p2))) - -/** - * work out how many elements there are in a static array - */ -#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0])) - /** * assert macros */ |