1 files changed, 59 insertions, 0 deletions
diff --git a/libs/libc/inc/def.h b/libs/libc/inc/def.h
new file mode 100644
index 0000000..708ffee
--- /dev/null
+++ b/libs/libc/inc/def.h
@@ -0,0 +1,59 @@
+// MIT License, Copyright (c) 2020 Marvin Borner
+
+#ifndef DEF_H
+#define DEF_H
+
+/**
+ * Types
+ */
+
+typedef signed char s8;
+typedef unsigned char u8;
+
+typedef signed short s16;
+typedef unsigned short u16;
+
+typedef signed long s32;
+typedef unsigned long u32;
+
+typedef signed long long s64;
+typedef unsigned long long u64;
+
+/**
+ * Macros
+ */
+
+#define UNUSED(a) ((void)(a))
+
+#define MIN(a, b) (((a) < (b)) ? (a) : (b))
+#define MAX(a, b) (((a) > (b)) ? (a) : (b))
+
+#define ABS(a) (((a) < 0) ? (-a) : (a))
+
+#define NORETURN __attribute__((noreturn))
+#define NO_SANITIZE __attribute__((no_sanitize("undefined")))
+#define PACKED __attribute__((packed))
+#define ALIGNED(align) __attribute__((aligned(align)))
+
+#define EOF (-1)
+#define NULL ((void *)0)
+
+#define U8_MAX 255
+#define S8_MAX 127
+#define S8_MIN -128
+#define U16_MAX 65535
+#define S16_MAX 32767
+#define S16_MIN -32768
+#define U32_MAX 4294967295
+#define S32_MAX 2147483647
+#define S32_MIN -2147483648
+
+#define LONG_MAX S32_MAX
+#define LONG_MIN S32_MIN
+
+#define MILLION 1000000
+#define BILLION 1000000000
+#define TRILLION 1000000000000
+#define QUADRILLION 1000000000000000
+
+#endif