#define DP_FUNC_PRINTF(n) __attribute__ ((format (printf, n, n+1)))
#define DP_FUNC_PURE __attribute__ ((pure))
#define DP_FUNC_NORETURN __attribute__ ((noreturn))
+#define DP_FUNC_ALWAYS_INLINE inline __attribute__((always_inline))
#else
#define DP_FUNC_PRINTF(n)
#define DP_FUNC_PURE
#define DP_FUNC_NORETURN
-#endif
-
-#ifdef DP_GCC_COMPATIBLE
-#define Q_typeof(var) typeof(var)
-#elif defined (MSVC)
-#define Q_typeof(var) decltype(var)
+# if defined (_MSC_VER)
+# define DP_FUNC_ALWAYS_INLINE __forceinline
+# else
+# define DP_FUNC_ALWAYS_INLINE inline
+# endif
#endif
#define MAX_NUM_ARGVS 50
// This also includes extended characters, and ALL control chars
#define ISWHITESPACEORCONTROL(ch) ((signed char) (ch) <= (signed char) ' ')
-#ifdef PRVM_64
-#define FLOAT_IS_TRUE_FOR_INT(x) ((x) & 0x7FFFFFFFFFFFFFFF) // also match "negative zero" doubles of value 0x8000000000000000
-#define FLOAT_LOSSLESS_FORMAT "%.17g"
-#define VECTOR_LOSSLESS_FORMAT "%.17g %.17g %.17g"
-#else
+#define DOUBLE_IS_TRUE_FOR_INT(x) ((x) & 0x7FFFFFFFFFFFFFFF) // also match "negative zero" doubles of value 0x8000000000000000
+#define DOUBLE_LOSSLESS_FORMAT "%.17g"
+#define DOUBLE_VECTOR_LOSSLESS_FORMAT "%.17g %.17g %.17g"
+
#define FLOAT_IS_TRUE_FOR_INT(x) ((x) & 0x7FFFFFFF) // also match "negative zero" floats of value 0x80000000
#define FLOAT_LOSSLESS_FORMAT "%.9g"
-#define VECTOR_LOSSLESS_FORMAT "%.9g %.9g %.9g"
-#endif
+#define FLOAT_VECTOR_LOSSLESS_FORMAT "%.9g %.9g %.9g"
// originally this was _MSC_VER
// but here we want to test the system libc, which on win32 is borked, and NOT the compiler
#define INT_LOSSLESS_FORMAT_CONVERT_U(x) ((uintmax_t)(x))
#endif
+// simple safe library to handle integer overflows when doing buffer size calculations
+// Usage:
+// - calculate data size using INTOVERFLOW_??? macros
+// - compare: calculated-size <= INTOVERFLOW_NORMALIZE(buffersize)
+// Functionality:
+// - all overflows (values > INTOVERFLOW_MAX) and errors are mapped to INTOVERFLOW_MAX
+// - if any input of an operation is INTOVERFLOW_MAX, INTOVERFLOW_MAX will be returned
+// - otherwise, regular arithmetics apply
+
+#define INTOVERFLOW_MAX 2147483647
+
+#define INTOVERFLOW_ADD(a,b) (((a) < INTOVERFLOW_MAX && (b) < INTOVERFLOW_MAX && (a) < INTOVERFLOW_MAX - (b)) ? ((a) + (b)) : INTOVERFLOW_MAX)
+#define INTOVERFLOW_SUB(a,b) (((a) < INTOVERFLOW_MAX && (b) < INTOVERFLOW_MAX && (b) <= (a)) ? ((a) - (b)) : INTOVERFLOW_MAX)
+#define INTOVERFLOW_MUL(a,b) (((a) < INTOVERFLOW_MAX && (b) < INTOVERFLOW_MAX && (a) < INTOVERFLOW_MAX / (b)) ? ((a) * (b)) : INTOVERFLOW_MAX)
+#define INTOVERFLOW_DIV(a,b) (((a) < INTOVERFLOW_MAX && (b) < INTOVERFLOW_MAX && (b) > 0) ? ((a) / (b)) : INTOVERFLOW_MAX)
+
+#define INTOVERFLOW_NORMALIZE(a) (((a) < INTOVERFLOW_MAX) ? (a) : (INTOVERFLOW_MAX - 1))
+
#endif