1 files changed, 74 insertions, 0 deletions
diff --git a/include/libn.h b/include/libn.h
new file mode 100644
index 0000000..aad359e
--- /dev/null
+++ b/include/libn.h
@@ -0,0 +1,74 @@
+#pragma once
+
+// ------------------------------------------------------------------------
+// Standard library
+
+#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>
+
+// ----------------------------------------------------------------------------
+// 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);
+
+// -----------------------------------------------------------------------------
+// Co-routines
+
+typedef struct coro coro;
+
+coro*   coro·new(uintptr stk, uintptr (*func)(coro*, uintptr));
+uintptr coro·yield(coro *c, uintptr arg);
+error   coro·free(coro *c);
+
+// -----------------------------------------------------------------------------
+// Strings
+
+#include ".include/str.h"
+
+// -----------------------------------------------------------------------------
+// Maps or dictionaries
+
+#include ".include/map.h"
+
+// -----------------------------------------------------------------------------
+// Error handling functions.
+
+void errorf(const byte* fmt, ...);
+
+#define panicf(...)  (errorf(__VA_ARGS__), assert(0))