diff options
| author | Nicholas Noll <nbnoll@eml.cc> | 2020-04-17 18:04:04 -0700 |
|---|---|---|
| committer | Nicholas Noll <nbnoll@eml.cc> | 2020-04-17 18:04:04 -0700 |
| commit | 65264ba6d1f7e7402009f33b60e3263bf1f02498 (patch) | |
| tree | 9911d9fd925940d61a75a48817b375b96a637ddc /include/u.h | |
init: prototype of code skeleton
Diffstat (limited to 'include/u.h')
| -rw-r--r-- | include/u.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/include/u.h b/include/u.h new file mode 100644 index 0000000..349a236 --- /dev/null +++ b/include/u.h @@ -0,0 +1,117 @@ +#pragma once
+
+// ------------------------------------------------------------------------
+// Standard library
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <stdarg.h>
+#include <float.h>
+#include <limits.h>
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <ctype.h>
+#include <stdio.h>
+
+#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fcntl.h>
+
+// ------------------------------------------------------------------------
+// Modern type aliases
+
+typedef char byte;
+typedef unsigned char ubyte;
+typedef signed char sbyte;
+
+typedef long long vlong;
+typedef unsigned long long uvlong;
+
+typedef unsigned int uint;
+typedef uint8_t uint8;
+typedef uint16_t uint16;
+typedef uint32_t uint32;
+typedef uint64_t uint64;
+
+typedef int8_t int8;
+typedef int16_t int16;
+typedef int32_t int32;
+typedef int64_t int64;
+
+typedef float float32;
+typedef double float64;
+
+typedef uintptr_t uintptr;
+typedef intptr_t intptr;
+
+typedef int error;
+
+#define nil NULL
+
+// ----------------------------------------------------------------------------
+// Dynamic array.
+
+typedef struct bufHdr
+{
+ vlong len;
+ vlong cap;
+ byte buf[];
+} bufHdr;
+
+#define _bufHdr(s) ((bufHdr*)((uint8*)(s)-offsetof(bufHdr, buf)))
+#define buflen(s) ((s) ? (_bufHdr(s)->len) : 0)
+#define bufcap(s) ((s) ? (_bufHdr(s)->cap) : 0)
+#define bufend(s) ((s) + buflen(s))
+#define bufsize(s) ((s) ? (buflen(s) * sizeof((s)[0])) : 0)
+
+#define buffree(s) ((s) ? (free(_bufHdr(s)), (s) = nil) : 0)
+#define buffit(s, n) ((n) <= bufcap(s) ? 0 : ((s) = bufgrow((s), (n), sizeof(*(s)))))
+
+#define bufresize(s, n) \
+ do { \
+ (buffit(s, n)); \
+ ((_bufHdr(s)->len) = (n)); \
+ } while (0)
+
+#define bufpush(s, ...) (buffit((s), 1 + buflen(s)), (s)[_bufHdr(s)->len++] = (__VA_ARGS__))
+
+#define bufpop(s, i) (_bufpop((s), (i), sizeof(*(s))), (s)[_bufHdr(s)->len])
+
+void* bufgrow(void*, vlong, vlong);
+void _bufpop(void*, int, vlong);
+
+// -----------------------------------------------------------------------------
+// Strings
+
+#include "str.h"
+
+// -----------------------------------------------------------------------------
+// Maps or dictionaries
+
+#include "map.h"
+
+// ------------------------------------------------------------------
+// Global macros
+
+#ifndef RELEASE
+#define Assert(x) assert(x)
+#else
+#define Assert(x)
+#endif
+
+#define arrlen(Array) (sizeof(Array) / sizeof((Array)[0]))
+
+#define MAX(x, y) ((x) >= (y) ? (x) : (y))
+#define MIN(x, y) ((x) < (y) ? (x) : (y))
+
+// -----------------------------------------------------------------------------
+// Error handling functions.
+
+void errorf(const byte* fmt, ...);
+
+#define panicf(...) (errorf(__VA_ARGS__), assert(0))
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