Completely revamp the grab source code

Some of the (many) few changes are:
- Multithreading for significantly faster performance
- The -p/--predicate flag
- Byte offsets as the default
- No customizable colors (maybe this will come back later)
- Newer edition of mlib (formerly librune)

1 files changed, 0 insertions, 20 deletions

diff --git a/vendor/librune/lib/utf8/u8chk.c b/vendor/librune/lib/utf8/u8chk.c
deleted file mode 100644
index 4fd1afc..0000000
--- a/vendor/librune/lib/utf8/u8chk.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include "rune.h"
-#define _RUNE_NO_MACRO_WRAPPER 1
-#include "utf8.h"
-
-#include "internal/common.h"
-
-char8_t *
-u8chk(const char8_t *s, size_t n)
-{
-	while (n) {
-		rune ch;
-		int m = u8tor(&ch, s);
-
-		if (ch == RUNE_ERROR)
-			return (char8_t *)s;
-		n -= m;
-	}
-
-	return nullptr;
-}