1 files changed, 103 insertions, 0 deletions
diff --git a/src/common.hh b/src/common.hh
new file mode 100644
index 0000000..b4e88bc
--- /dev/null
+++ b/src/common.hh
@@ -0,0 +1,103 @@
+#ifndef TIBIA_LOGIN_COMMON_HH_
+#define TIBIA_LOGIN_COMMON_HH_ 1
+
+#include <ctype.h>
+#include <limits.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include <algorithm>
+
+typedef uint8_t uint8;
+typedef uint16_t uint16;
+typedef uint32_t uint32;
+typedef int64_t int64;
+typedef uint64_t uint64;
+typedef size_t usize;
+
+#define STATIC_ASSERT(expr) static_assert((expr), "static assertion failed: " #expr)
+#define NARRAY(arr) (int)(sizeof(arr) / sizeof(arr[0]))
+#define ISPOW2(x) ((x) != 0 && ((x) & ((x) - 1)) == 0)
+#define KB(x) ((usize)(x) << 10)
+#define MB(x) ((usize)(x) << 20)
+#define GB(x) ((usize)(x) << 30)
+
+#if defined(_WIN32)
+#	define OS_WINDOWS 1
+#elif defined(__linux__) || defined(__gnu_linux__)
+#	define OS_LINUX 1
+#else
+#	error "Operating system not supported."
+#endif
+
+#if defined(_MSC_VER)
+#	define COMPILER_MSVC 1
+#elif defined(__GNUC__)
+#	define COMPILER_GCC 1
+#elif defined(__clang__)
+#	define COMPILER_CLANG 1
+#endif
+
+#if COMPILER_GCC || COMPILER_CLANG
+#	define ATTR_FALLTHROUGH __attribute__((fallthrough))
+#	define ATTR_PRINTF(x, y) __attribute__((format(printf, x, y)))
+#else
+#	define ATTR_FALLTHROUGH
+#	define ATTR_PRINTF(x, y)
+#endif
+
+#if COMPILER_MSVC
+#	define TRAP() __debugbreak()
+#elif COMPILER_GCC || COMPILER_CLANG
+#	define TRAP() __builtin_trap()
+#else
+#	define TRAP() abort()
+#endif
+
+#define ASSERT_ALWAYS(expr) if(!(expr)) { TRAP(); }
+#if BUILD_DEBUG
+#	define ASSERT(expr) ASSERT_ALWAYS(expr)
+#else
+#	define ASSERT(expr) ((void)(expr))
+#endif
+
+#define LOG(...)		LogAdd("INFO", __VA_ARGS__)
+#define LOG_WARN(...)	LogAddVerbose("WARN", __FUNCTION__, __FILE__, __LINE__, __VA_ARGS__)
+#define LOG_ERR(...)	LogAddVerbose("ERR", __FUNCTION__, __FILE__, __LINE__, __VA_ARGS__)
+#define PANIC(...)																\
+	do{																			\
+		LogAddVerbose("PANIC", __FUNCTION__, __FILE__, __LINE__, __VA_ARGS__);	\
+		TRAP();																	\
+	}while(0)
+
+void LogAdd(const char *Prefix, const char *Format, ...) ATTR_PRINTF(2, 3);
+void LogAddVerbose(const char *Prefix, const char *Function,
+		const char *File, int Line, const char *Format, ...) ATTR_PRINTF(5, 6);
+
+struct tm GetLocalTime(time_t t);
+int64 GetClockMonotonicMS(void);
+void SleepMS(int64 DurationMS);
+
+bool StringEq(const char *A, const char *B);
+bool StringEqCI(const char *A, const char *B);
+bool StringCopyN(char *Dest, int DestCapacity, const char *Src, int SrcLength);
+bool StringCopy(char *Dest, int DestCapacity, const char *Src);
+bool EscapeString(char *Dest, int DestCapacity, const char *Src);
+uint32 HashString(const char *String);
+
+bool ParseIPAddress(int *Dest, const char *String);
+bool ParseBoolean(bool *Dest, const char *String);
+bool ParseInteger(int *Dest, const char *String);
+bool ParseDuration(int *Dest, const char *String);
+bool ParseSize(int *Dest, const char *String);
+bool ParseString(char *Dest, int DestCapacity, const char *String);
+
+typedef void ConfigKVCallback(const char *Key, const char *Val);
+bool ReadConfig(const char *FileName, ConfigKVCallback *KVCallback);
+
+#endif //TIBIA_LOGIN_COMMON_HH_