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)

7 files changed, 0 insertions, 125 deletions

diff --git a/vendor/librune/lib/builder/u8strfit.c b/vendor/librune/lib/builder/u8strfit.c
deleted file mode 100644
index d0f0ecb..0000000
--- a/vendor/librune/lib/builder/u8strfit.c
+++ /dev/null
@@ -1,11 +0,0 @@
-#include <stdlib.h>
-
-#include "builder.h"
-
-#include "internal/common.h"
-
-struct u8str *
-u8strfit(struct u8str *b)
-{
-	return (b->p = realloc(b->p, b->len)) ? b : nullptr;
-}
diff --git a/vendor/librune/lib/builder/u8strfree.c b/vendor/librune/lib/builder/u8strfree.c
deleted file mode 100644
index 506c71b..0000000
--- a/vendor/librune/lib/builder/u8strfree.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <stdlib.h>
-
-#include "builder.h"
-
-void
-u8strfree(struct u8str b)
-{
-	free(b.p);
-}
diff --git a/vendor/librune/lib/builder/u8strgrow.c b/vendor/librune/lib/builder/u8strgrow.c
deleted file mode 100644
index 022b216..0000000
--- a/vendor/librune/lib/builder/u8strgrow.c
+++ /dev/null
@@ -1,41 +0,0 @@
-#include <stdlib.h>
-
-#include "builder.h"
-
-#include "internal/common.h"
-
-static size_t nextpow2(size_t);
-
-struct u8str *
-u8strgrow(struct u8str *b, size_t n)
-{
-	if (n > b->cap) {
-		b->cap = nextpow2(n);
-		if (!(b->p = realloc(b->p, b->cap)))
-			return nullptr;
-	}
-	return b;
-}
-
-size_t
-nextpow2(size_t x)
-{
-#if defined(__has_builtin) && __has_builtin(__builtin_clzl)
-	x = x <= 1 ? 1 : 1 << (64 - __builtin_clzl(x - 1));
-#else
-	if (x) {
-		x--;
-		x |= x >> 1;
-		x |= x >> 2;
-		x |= x >> 4;
-		x |= x >> 8;
-		if (sizeof(size_t) >= 4)
-			x |= x >> 16;
-		if (sizeof(size_t) >= 8)
-			x |= x >> 32;
-	}
-	x++;
-#endif
-
-	return x;
-}
diff --git a/vendor/librune/lib/builder/u8strinit.c b/vendor/librune/lib/builder/u8strinit.c
deleted file mode 100644
index 29947e8..0000000
--- a/vendor/librune/lib/builder/u8strinit.c
+++ /dev/null
@@ -1,18 +0,0 @@
-#include <stdlib.h>
-
-#include "builder.h"
-
-#include "internal/common.h"
-
-struct u8str *
-u8strinit(struct u8str *b, size_t n)
-{
-	if (n) {
-		if (!(b->p = malloc(n)))
-			return nullptr;
-	} else
-		b->p = nullptr;
-	b->len = 0;
-	b->cap = n;
-	return b;
-}
diff --git a/vendor/librune/lib/builder/u8strpushr.c b/vendor/librune/lib/builder/u8strpushr.c
deleted file mode 100644
index 60c1d50..0000000
--- a/vendor/librune/lib/builder/u8strpushr.c
+++ /dev/null
@@ -1,13 +0,0 @@
-#include "builder.h"
-#include "utf8.h"
-
-#include "internal/common.h"
-
-struct u8str *
-u8strpushr(struct u8str *b, rune ch)
-{
-	if (!u8strgrow(b, b->len + u8wdth(ch)))
-		return nullptr;
-	b->len += rtou8(b->p + b->len, ch, b->cap - b->len);
-	return b;
-}
diff --git a/vendor/librune/lib/builder/u8strpushstr.c b/vendor/librune/lib/builder/u8strpushstr.c
deleted file mode 100644
index a036840..0000000
--- a/vendor/librune/lib/builder/u8strpushstr.c
+++ /dev/null
@@ -1,17 +0,0 @@
-#include <string.h>
-
-#include "builder.h"
-#include "utf8.h"
-
-#include "internal/common.h"
-
-struct u8str *
-u8strpushstr(struct u8str *b, const char *s)
-{
-	size_t n = strlen(s);
-	if (!u8strgrow(b, b->len + n))
-		return nullptr;
-	memcpy(b->p + b->len, s, n);
-	b->len += n;
-	return b;
-}
diff --git a/vendor/librune/lib/builder/u8strpushu8.c b/vendor/librune/lib/builder/u8strpushu8.c
deleted file mode 100644
index dc6db11..0000000
--- a/vendor/librune/lib/builder/u8strpushu8.c
+++ /dev/null
@@ -1,16 +0,0 @@
-#include <string.h>
-
-#include "builder.h"
-#include "utf8.h"
-
-#include "internal/common.h"
-
-struct u8str *
-u8strpushu8(struct u8str *b, struct u8view v)
-{
-	if (!u8strgrow(b, b->len + v.len))
-		return nullptr;
-	memcpy(b->p + b->len, v.p, v.len);
-	b->len += v.len;
-	return b;
-}