#ifndef QDEFS_H
#define QDEFS_H
+#if defined (__GNUC__) || defined (__clang__) || defined (__TINYC__)
+#define DP_GCC_COMPATIBLE
+#endif
+
#if (__GNUC__ > 2) || defined (__clang__) || (__TINYC__)
#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
+# if defined (_MSC_VER)
+# define DP_FUNC_ALWAYS_INLINE __forceinline
+# else
+# define DP_FUNC_ALWAYS_INLINE inline
+# endif
#endif
#define MAX_NUM_ARGVS 50
#define SERVERLIST_ANDMASKCOUNT 5
#define SERVERLIST_ORMASKCOUNT 5
#else
-#define MAX_INPUTLINE 16384 ///< maximum length of console commandline, QuakeC strings, and many other text processing buffers
+#define MAX_INPUTLINE 16384 ///< maximum size of console commandline, QuakeC strings, and many other text processing buffers
#define CON_TEXTSIZE 1048576 ///< max scrollback buffer characters in console
#define CON_MAXLINES 16384 ///< max scrollback buffer lines in console
#define HIST_TEXTSIZE 262144 ///< max command history buffer characters in console
#define CMDBUFSIZE 655360 ///< maximum script size that can be loaded by the exec command (8192 in Quake)
#define MAX_ARGS 80 ///< maximum number of parameters to a console command or alias
-#define NET_MAXMESSAGE 131072 ///< max reliable packet size (sent as multiple fragments of MAX_PACKETFRAGMENT)
+#define NET_MAXMESSAGE 65536 ///< max reliable packet size (sent as multiple fragments of MAX_PACKETFRAGMENT)
#define MAX_PACKETFRAGMENT 1024 ///< max length of packet fragment
#define MAX_EDICTS 32768 ///< max number of objects in game world at once (32768 protocol limit)
#define MAX_MODELS 8192 ///< max number of models loaded at once (including during level transitions)
// 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