This adds the LSX_ALIGN() macro to request a specified alignment of static data and struct definitions using GCC and MSVC attributes. Also check for the aligned_alloc() function and alias to Microsoft's _aligned_malloc() if necessary. --- configure.ac | 2 +- src/util.h | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+), 1 deletion(-)
diff --git a/configure.ac b/configure.ac index 23138a9..08f80e7 100644 --- a/configure.ac +++ b/configure.ac @@ -207,7 +207,7 @@ AC_HEADER_STDC AC_CHECK_HEADERS(fcntl.h unistd.h byteswap.h sys/stat.h sys/time.h sys/timeb.h sys/types.h sys/utsname.h termios.h glob.h fenv.h) dnl Checks for library functions. -AC_CHECK_FUNCS(strcasecmp strdup popen vsnprintf gettimeofday mkstemp fmemopen) +AC_CHECK_FUNCS(strcasecmp strdup popen vsnprintf gettimeofday mkstemp fmemopen aligned_alloc) dnl Check if math library is needed. AC_SEARCH_LIBS([pow], [m]) diff --git a/src/util.h b/src/util.h index 87970bb..b5cc9b8 100644 --- a/src/util.h +++ b/src/util.h @@ -184,6 +184,26 @@ #define field_offset(type, field) ((size_t)&(((type *)0)->field)) #define unless(x) if (!(x)) +/*----------------------------- Data alignment -------------------------------*/ + +#ifdef __GNUC__ +#define LSX_ALIGN(n) __attribute__((aligned(n))) +#elif defined _MSC_VER +#define LSX_ALIGN(n) __declspec(align(n)) +#else +#define LSX_ALIGN(n) +#endif + +#ifdef HAVE_ALIGNED_ALLOC + #define aligned_free(p) free(p) +#elif defined _MSC_VER + #define aligned_alloc(a, s) _aligned_malloc(s, a) + #define aligned_free(p) _aligned_free(p) +#else + #define aligned_alloc(a, s) malloc(s) + #define aligned_free(p) free(p) +#endif + /*------------------------------- Maths stuff --------------------------------*/ #include <math.h> -- 2.5.2 ------------------------------------------------------------------------------ Monitor Your Dynamic Infrastructure at Any Scale With Datadog! Get real-time metrics from all of your servers, apps and tools in one place. SourceForge users - Click here to start your Free Trial of Datadog now! http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 _______________________________________________ SoX-devel mailing list SoX-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/sox-devel
