libutil

util: Add util.h

Diffstat

1 files changed, 92 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
new file mode 100644
index 0000000..3b3d167
--- /dev/null
+++ b/src/util.h
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+// util/util.h, version 1.0.0
+// Utility header file from libutil
+// Copyright (C) 2021, Jakob Wakeling
+// All rights reserved.
+
+/*
+OMKOV Permissive Licence, version 1.0
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal with
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimers.
+* Redistributions in binary form must reproduce the above copyright notice, this
+  list of conditions and the following disclaimers in the documentation and/or
+  other materials provided with the distribution.
+* Neither the names of the copyright holders, nor the names of its contributors
+  may be used to endorse or promote products derived from this Software without
+  specific prior written permission.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT
+HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE SOFTWARE.
+*/
+
+#ifndef UTIL_UTIL_H_KP8NS9DC
+#define UTIL_UTIL_H_KP8NS9DC
+
+#include <assert.h>
+#include <float.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+/* Type Definitions */
+typedef uint8_t   u8;
+typedef uint16_t  u16;
+typedef uint32_t  u32;
+typedef uint64_t  u64;
+typedef uintptr_t UINT;
+
+typedef int8_t   s8;
+typedef int16_t  s16;
+typedef int32_t  s32;
+typedef int64_t  s64;
+typedef intptr_t sint;
+
+typedef float       f32;
+typedef double      f64;
+typedef long double f128;
+
+/* Type Limits */
+#define U8_MIN   UINT8_MIN
+#define U8_MAX   UINT8_MAX
+#define U16_MIN  UINT16_MIN
+#define U16_MAX  UINT16_MAX
+#define U32_MIN  UINT32_MIN
+#define U32_MAX  UINT32_MAX
+#define U64_MIN  UINT64_MIN
+#define U64_MAX  UINT64_MAX
+#define UINT_MIN UINTPTR_MIN
+#define UINT_MAX UINTPTR_MAX
+
+#define S8_MIN   INT8_MIN
+#define S8_MAX   INT8_MAX
+#define S16_MIN  INT16_MIN
+#define S16_MAX  INT16_MAX
+#define S32_MIN  INT32_MIN
+#define S32_MAX  INT32_MAX
+#define S64_MIN  INT64_MIN
+#define S64_MAX  INT64_MAX
+#define SINT_MIN INTPTR_MIN
+#define SINT_MAX INTPTR_MAX
+
+#define F32_MIN  FLT_MIN
+#define F32_MAX  FLT_MAX
+#define F64_MIN  DBL_MIN
+#define F64_MAX  DBL_MAX
+#define F128_MIN LDBL_MIN
+#define F128_MAX LDBL_MAX
+
+/* Miscellaneous */
+#define BIT(x) (1 << (x))
+
+#endif // UTIL_UTIL_H_KP8NS9DC