X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=src%2Fcommon%2Fmacros.h;h=6ac24fa01157b79cbf1debc58fbcb49438288af2;hb=d50d200af8d01f4b58a14e384cabd46b1afb4817;hp=7530c912a98251160b608e0bc0b4bf4daefff42e;hpb=7966af5763c4aaca39df9bbfa9277ff15715c720;p=lttng-tools.git diff --git a/src/common/macros.h b/src/common/macros.h index 7530c912a..6ac24fa01 100644 --- a/src/common/macros.h +++ b/src/common/macros.h @@ -57,32 +57,6 @@ void *zmalloc(size_t len) }) #endif - -/* - * The min and max macros are not needed in C++ (std::min and std::max are - * preferred) and they conflict with some C++ header file. Don't define them - * when compiling C++ source. - */ -#ifndef __cplusplus - -# ifndef max -# define max(a, b) ((a) > (b) ? (a) : (b)) -# endif - -# ifndef min -# define min(a, b) ((a) < (b) ? (a) : (b)) -# endif - -# ifndef max_t -# define max_t(type, a, b) max((type) a, (type) b) -# endif - -# ifndef min_t -# define min_t(type, a, b) min((type) a, (type) b) -# endif - -#endif - #ifndef LTTNG_PACKED #define LTTNG_PACKED __attribute__((__packed__)) #endif @@ -101,6 +75,39 @@ void *zmalloc(size_t len) #define ASSERT_LOCKED(lock) LTTNG_ASSERT(pthread_mutex_trylock(&lock)) +/* 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 + +/* Used to make specific C++ functions to C code. */ +#ifdef __cplusplus +#define C_LINKAGE extern "C" +#else +#define C_LINKAGE +#endif + /* * lttng_strncpy returns 0 on success, or nonzero on failure. * It checks that the @src string fits into @dst_len before performing