X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=src%2Fcommon%2Fmacros.h;h=af9cb7e19bca6ac8eb632e2a5b6941d04aff285c;hb=411b31544f22b773b4aad6cdb81faa81dc05e641;hp=97faf03280925fc3503a9ddb6d348093c07c1501;hpb=ca806b0b247f89c62ac628a7779ae84049a8c2d7;p=lttng-tools.git diff --git a/src/common/macros.h b/src/common/macros.h index 97faf0328..af9cb7e19 100644 --- a/src/common/macros.h +++ b/src/common/macros.h @@ -57,22 +57,6 @@ void *zmalloc(size_t len) }) #endif -#ifndef max -#define max(a, b) ((a) > (b) ? (a) : (b)) -#endif - -#ifndef max_t -#define max_t(type, a, b) max((type) a, (type) b) -#endif - -#ifndef min -#define min(a, b) ((a) < (b) ? (a) : (b)) -#endif - -#ifndef min_t -#define min_t(type, a, b) min((type) a, (type) b) -#endif - #ifndef LTTNG_PACKED #define LTTNG_PACKED __attribute__((__packed__)) #endif @@ -87,22 +71,35 @@ void *zmalloc(size_t len) #define is_signed(type) (((type) -1) < (type) 1) -/* - * Align value to the next multiple of align. Returns val if it already is a - * multiple of align. Align must be a power of two. - */ -#define ALIGN_TO(value, align) ((value + (align - 1)) & ~(align - 1)) - #define member_sizeof(type, field) sizeof(((type *) 0)->field) #define ASSERT_LOCKED(lock) LTTNG_ASSERT(pthread_mutex_trylock(&lock)) -/* - * Get an aligned pointer to a value. This is meant - * as a helper to pass an aligned pointer to a member in a packed structure - * to a function. - */ -#define ALIGNED_CONST_PTR(value) (((const typeof(value) []) { value })) +/* Attribute suitable to tag functions as having printf()-like arguments. */ +#define ATTR_FORMAT_PRINTF(_string_index, _first_to_check) \ + __attribute__((format(printf, _string_index, _first_to_check))) + +/* Attribute suitable to tag functions as having strftime()-like arguments. */ +#define ATTR_FORMAT_STRFTIME(_string_index) \ + __attribute__((format(strftime, _string_index, 0))) + +/* Macros used to ignore specific compiler diagnostics. */ + +#define DIAGNOSTIC_PUSH _Pragma("GCC diagnostic push") +#define DIAGNOSTIC_POP _Pragma("GCC diagnostic pop") + +#if defined(__clang__) + /* Clang */ +# define DIAGNOSTIC_IGNORE_SUGGEST_ATTRIBUTE_FORMAT +# define DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL \ + _Pragma("GCC diagnostic ignored \"-Wformat-nonliteral\"") +#else + /* GCC */ +# define DIAGNOSTIC_IGNORE_SUGGEST_ATTRIBUTE_FORMAT \ + _Pragma("GCC diagnostic ignored \"-Wsuggest-attribute=format\"") +# define DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL \ + _Pragma("GCC diagnostic ignored \"-Wformat-nonliteral\"") +#endif /* * lttng_strncpy returns 0 on success, or nonzero on failure.