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, 31 deletions

diff --git a/vendor/librune/lib/utf8/u8tor.c b/vendor/librune/lib/utf8/u8tor.c
deleted file mode 100644
index 152a174..0000000
--- a/vendor/librune/lib/utf8/u8tor.c
+++ /dev/null
@@ -1,31 +0,0 @@
-#include "rune.h"
-#include "utf8.h"
-
-#include "internal/common.h"
-
-int
-u8tor(rune *ch, const char8_t *s)
-{
-	int n = 0;
-
-	if (U1(s[0])) {
-		*ch = s[0];
-		n = 1;
-	} else if (U2(s[0]) && UC(s[1])) {
-		*ch = ((s[0] & 0x1F) << 6) | (s[1] & 0x3F);
-		n = 2;
-	} else if (U3(s[0]) && UC(s[1]) && UC(s[2])) {
-		*ch = ((s[0] & 0x0F) << 12) | ((s[1] & 0x3F) << 6) | (s[2] & 0x3F);
-		n = 3;
-	} else if (U4(s[0]) && UC(s[1]) && UC(s[2]) && UC(s[3])) {
-		*ch = ((s[0] & 0x07) << 18) | ((s[1] & 0x3F) << 12)
-		    | ((s[2] & 0x3F) << 6) | (s[3] & 0x3F);
-		n = 4;
-	}
-
-	if (n && u8chkr(*ch))
-		return n;
-
-	*ch = RUNE_ERROR;
-	return 1;
-}