1 files changed, 0 insertions, 186 deletions

diff --git a/third_party/git/csum-file.c b/third_party/git/csum-file.c
deleted file mode 100644
index 53ce37f7ca..0000000000
--- a/third_party/git/csum-file.c
+++ /dev/null
@@ -1,186 +0,0 @@
-/*
- * csum-file.c
- *
- * Copyright (C) 2005 Linus Torvalds
- *
- * Simple file write infrastructure for writing SHA1-summed
- * files. Useful when you write a file that you want to be
- * able to verify hasn't been messed with afterwards.
- */
-#include "cache.h"
-#include "progress.h"
-#include "csum-file.h"
-
-static void flush(struct hashfile *f, const void *buf, unsigned int count)
-{
-	if (0 <= f->check_fd && count)  {
-		unsigned char check_buffer[8192];
-		ssize_t ret = read_in_full(f->check_fd, check_buffer, count);
-
-		if (ret < 0)
-			die_errno("%s: sha1 file read error", f->name);
-		if (ret != count)
-			die("%s: sha1 file truncated", f->name);
-		if (memcmp(buf, check_buffer, count))
-			die("sha1 file '%s' validation error", f->name);
-	}
-
-	for (;;) {
-		int ret = xwrite(f->fd, buf, count);
-		if (ret > 0) {
-			f->total += ret;
-			display_throughput(f->tp, f->total);
-			buf = (char *) buf + ret;
-			count -= ret;
-			if (count)
-				continue;
-			return;
-		}
-		if (!ret)
-			die("sha1 file '%s' write error. Out of diskspace", f->name);
-		die_errno("sha1 file '%s' write error", f->name);
-	}
-}
-
-void hashflush(struct hashfile *f)
-{
-	unsigned offset = f->offset;
-
-	if (offset) {
-		the_hash_algo->update_fn(&f->ctx, f->buffer, offset);
-		flush(f, f->buffer, offset);
-		f->offset = 0;
-	}
-}
-
-int finalize_hashfile(struct hashfile *f, unsigned char *result, unsigned int flags)
-{
-	int fd;
-
-	hashflush(f);
-	the_hash_algo->final_fn(f->buffer, &f->ctx);
-	if (result)
-		hashcpy(result, f->buffer);
-	if (flags & CSUM_HASH_IN_STREAM)
-		flush(f, f->buffer, the_hash_algo->rawsz);
-	if (flags & CSUM_FSYNC)
-		fsync_or_die(f->fd, f->name);
-	if (flags & CSUM_CLOSE) {
-		if (close(f->fd))
-			die_errno("%s: sha1 file error on close", f->name);
-		fd = 0;
-	} else
-		fd = f->fd;
-	if (0 <= f->check_fd) {
-		char discard;
-		int cnt = read_in_full(f->check_fd, &discard, 1);
-		if (cnt < 0)
-			die_errno("%s: error when reading the tail of sha1 file",
-				  f->name);
-		if (cnt)
-			die("%s: sha1 file has trailing garbage", f->name);
-		if (close(f->check_fd))
-			die_errno("%s: sha1 file error on close", f->name);
-	}
-	free(f);
-	return fd;
-}
-
-void hashwrite(struct hashfile *f, const void *buf, unsigned int count)
-{
-	while (count) {
-		unsigned offset = f->offset;
-		unsigned left = sizeof(f->buffer) - offset;
-		unsigned nr = count > left ? left : count;
-		const void *data;
-
-		if (f->do_crc)
-			f->crc32 = crc32(f->crc32, buf, nr);
-
-		if (nr == sizeof(f->buffer)) {
-			/* process full buffer directly without copy */
-			data = buf;
-		} else {
-			memcpy(f->buffer + offset, buf, nr);
-			data = f->buffer;
-		}
-
-		count -= nr;
-		offset += nr;
-		buf = (char *) buf + nr;
-		left -= nr;
-		if (!left) {
-			the_hash_algo->update_fn(&f->ctx, data, offset);
-			flush(f, data, offset);
-			offset = 0;
-		}
-		f->offset = offset;
-	}
-}
-
-struct hashfile *hashfd(int fd, const char *name)
-{
-	return hashfd_throughput(fd, name, NULL);
-}
-
-struct hashfile *hashfd_check(const char *name)
-{
-	int sink, check;
-	struct hashfile *f;
-
-	sink = open("/dev/null", O_WRONLY);
-	if (sink < 0)
-		die_errno("unable to open /dev/null");
-	check = open(name, O_RDONLY);
-	if (check < 0)
-		die_errno("unable to open '%s'", name);
-	f = hashfd(sink, name);
-	f->check_fd = check;
-	return f;
-}
-
-struct hashfile *hashfd_throughput(int fd, const char *name, struct progress *tp)
-{
-	struct hashfile *f = xmalloc(sizeof(*f));
-	f->fd = fd;
-	f->check_fd = -1;
-	f->offset = 0;
-	f->total = 0;
-	f->tp = tp;
-	f->name = name;
-	f->do_crc = 0;
-	the_hash_algo->init_fn(&f->ctx);
-	return f;
-}
-
-void hashfile_checkpoint(struct hashfile *f, struct hashfile_checkpoint *checkpoint)
-{
-	hashflush(f);
-	checkpoint->offset = f->total;
-	checkpoint->ctx = f->ctx;
-}
-
-int hashfile_truncate(struct hashfile *f, struct hashfile_checkpoint *checkpoint)
-{
-	off_t offset = checkpoint->offset;
-
-	if (ftruncate(f->fd, offset) ||
-	    lseek(f->fd, offset, SEEK_SET) != offset)
-		return -1;
-	f->total = offset;
-	f->ctx = checkpoint->ctx;
-	f->offset = 0; /* hashflush() was called in checkpoint */
-	return 0;
-}
-
-void crc32_begin(struct hashfile *f)
-{
-	f->crc32 = crc32(0, NULL, 0);
-	f->do_crc = 1;
-}
-
-uint32_t crc32_end(struct hashfile *f)
-{
-	f->do_crc = 0;
-	return f->crc32;
-}