From e422079fcced744e3a6247aeb12a09a658989072 Mon Sep 17 00:00:00 2001 From: Bruce Hill Date: Sun, 15 Sep 2024 15:33:47 -0400 Subject: Add a Byte datatype --- stdlib/bytes.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 stdlib/bytes.c (limited to 'stdlib/bytes.c') diff --git a/stdlib/bytes.c b/stdlib/bytes.c new file mode 100644 index 00000000..5b471bfe --- /dev/null +++ b/stdlib/bytes.c @@ -0,0 +1,38 @@ +// The logic for unsigned bytes +#include +#include + +#include "bytes.h" +#include "stdlib.h" +#include "text.h" +#include "util.h" + +public const Byte_t Byte$min = 0; +public const Byte_t Byte$max = UINT8_MAX; + +PUREFUNC public Text_t Byte$as_text(const Byte_t *b, bool colorize, const TypeInfo *type) +{ + (void)type; + if (!b) return Text("Byte"); + return Text$format(colorize ? "\x1b[35m%u[B]\x1b[m" : "%u[B]", *b); +} + +public Byte_t Byte$random(Byte_t min, Byte_t max) +{ + if (min > max) + fail("Random minimum value (%u) is larger than the maximum value (%u)", min, max); + if (min == max) + return min; + + uint32_t r = arc4random_uniform((uint32_t)max - (uint32_t)min + 1u); + return (Byte_t)(min + r); +} + +public const TypeInfo Byte$info = { + .size=sizeof(Byte_t), + .align=__alignof__(Byte_t), + .tag=CustomInfo, + .CustomInfo={.as_text=(void*)Byte$as_text}, +}; + +// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0 -- cgit v1.2.3