1 files changed, 0 insertions, 168 deletions
diff --git a/bin/edi/buffer.c b/bin/edi/buffer.c
deleted file mode 100644
index 3852872c..00000000
--- a/bin/edi/buffer.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/* Copyright (C) 2018  Curtis McEnroe <june@causal.agency>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <err.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sysexits.h>
-#include <wchar.h>
-
-#include "edi.h"
-
-static struct Block *blockAlloc(struct Block *prev, size_t cap) {
-	size_t size = sizeof(struct Block) + sizeof(wchar_t) * cap;
-	struct Block *block = malloc(size);
-	if (!block) err(EX_OSERR, "malloc");
-	block->prev = prev;
-	block->len = 0;
-	return block;
-}
-
-struct Buffer bufferAlloc(size_t cap) {
-	return (struct Buffer) {
-		.cap = cap,
-		.block = blockAlloc(NULL, cap),
-	};
-}
-
-void bufferFree(struct Buffer *buf) {
-	struct Block *prev;
-	for (struct Block *it = buf->block; it; it = prev) {
-		prev = it->prev;
-		free(it);
-	}
-}
-
-void bufferSlice(struct Buffer *buf) {
-	buf->slice.ptr = &buf->block->chars[buf->block->len];
-	buf->slice.len = 0;
-}
-
-void bufferPush(struct Buffer *buf, wchar_t ch) {
-	if (buf->block->len == buf->cap) {
-		if (buf->slice.len == buf->cap) buf->cap *= 2;
-		buf->block = blockAlloc(buf->block, buf->cap);
-		memcpy(
-			buf->block->chars, buf->slice.ptr,
-			sizeof(wchar_t) * buf->slice.len
-		);
-		buf->slice.ptr = buf->block->chars;
-		buf->block->len = buf->slice.len;
-	}
-	buf->block->chars[buf->block->len++] = ch;
-	buf->slice.len++;
-}
-
-void bufferPop(struct Buffer *buf) {
-	if (!buf->slice.len) return;
-	buf->slice.len--;
-	buf->block->len--;
-}
-
-wchar_t *bufferDest(struct Buffer *buf, size_t len) {
-	if (buf->block->len + len > buf->cap) {
-		while (len > buf->cap) buf->cap *= 2;
-		buf->block = blockAlloc(buf->block, buf->cap);
-	}
-	wchar_t *ptr = &buf->block->chars[buf->block->len];
-	buf->slice.ptr = ptr;
-	buf->slice.len = len;
-	buf->block->len += len;
-	return ptr;
-}
-
-void bufferTruncate(struct Buffer *buf, size_t len) {
-	if (len > buf->slice.len) return;
-	buf->block->len -= buf->slice.len - len;
-	buf->slice.len = len;
-}
-
-#ifdef TEST
-#include <assert.h>
-
-int main() {
-	struct Buffer buf = bufferAlloc(6);
-
-	bufferSlice(&buf);
-	bufferPush(&buf, L'A');
-	bufferPush(&buf, L'B');
-	assert(!wcsncmp(L"AB", buf.slice.ptr, buf.slice.len));
-
-	bufferSlice(&buf);
-	bufferPush(&buf, L'C');
-	bufferPush(&buf, L'D');
-	assert(!wcsncmp(L"CD", buf.slice.ptr, buf.slice.len));
-
-	bufferSlice(&buf);
-	bufferPush(&buf, L'E');
-	bufferPush(&buf, L'F');
-	bufferPush(&buf, L'G');
-	bufferPush(&buf, L'H');
-	assert(!wcsncmp(L"EFGH", buf.slice.ptr, buf.slice.len));
-
-	bufferFree(&buf);
-
-	buf = bufferAlloc(4);
-	bufferSlice(&buf);
-	bufferPush(&buf, L'A');
-	bufferPush(&buf, L'B');
-	bufferPush(&buf, L'C');
-	bufferPush(&buf, L'D');
-	bufferPush(&buf, L'E');
-	bufferPush(&buf, L'F');
-	assert(!wcsncmp(L"ABCDEF", buf.slice.ptr, buf.slice.len));
-	bufferFree(&buf);
-
-	buf = bufferAlloc(4);
-	bufferSlice(&buf);
-	bufferPush(&buf, L'A');
-	bufferPush(&buf, L'B');
-	bufferPop(&buf);
-	assert(!wcsncmp(L"A", buf.slice.ptr, buf.slice.len));
-	bufferPush(&buf, L'C');
-	assert(!wcsncmp(L"AC", buf.slice.ptr, buf.slice.len));
-	bufferFree(&buf);
-
-	buf = bufferAlloc(4);
-
-	wchar_t *dest = bufferDest(&buf, 2);
-	dest[0] = L'A';
-	dest[1] = L'B';
-	assert(!wcsncmp(L"AB", buf.slice.ptr, buf.slice.len));
-
-	dest = bufferDest(&buf, 3);
-	dest[0] = L'C';
-	dest[1] = L'D';
-	dest[2] = L'E';
-	assert(!wcsncmp(L"CDE", buf.slice.ptr, buf.slice.len));
-
-	bufferFree(&buf);
-
-	buf = bufferAlloc(4);
-	dest = bufferDest(&buf, 6);
-	dest[0] = L'A';
-	dest[1] = L'B';
-	dest[2] = L'C';
-	dest[3] = L'D';
-	dest[4] = L'E';
-	dest[5] = L'F';
-	assert(!wcsncmp(L"ABCDEF", buf.slice.ptr, buf.slice.len));
-	bufferTruncate(&buf, 4);
-	assert(!wcsncmp(L"ABCD", buf.slice.ptr, buf.slice.len));
-	bufferFree(&buf);
-}
-
-#endif