1 files changed, 95 insertions, 0 deletions
diff --git a/draft/fuse-examples/null.c b/draft/fuse-examples/null.c
new file mode 100644
index 0000000..b72cf4d
--- /dev/null
+++ b/draft/fuse-examples/null.c
@@ -0,0 +1,95 @@
+/*
+  FUSE: Filesystem in Userspace
+  Copyright (C) 2001-2007  Miklos Szeredi <miklos@szeredi.hu>
+
+  This program can be distributed under the terms of the GNU GPL.
+  See the file COPYING.
+
+  gcc -Wall null.c `pkg-config fuse --cflags --libs` -o null
+*/
+
+#define FUSE_USE_VERSION 26
+
+#include <fuse.h>
+#include <string.h>
+#include <unistd.h>
+#include <time.h>
+#include <errno.h>
+
+static int null_getattr(const char *path, struct stat *stbuf)
+{
+	if(strcmp(path, "/") != 0)
+		return -ENOENT;
+
+	stbuf->st_mode = S_IFREG | 0644;
+	stbuf->st_nlink = 1;
+	stbuf->st_uid = getuid();
+	stbuf->st_gid = getgid();
+	stbuf->st_size = (1ULL << 32); /* 4G */
+	stbuf->st_blocks = 0;
+	stbuf->st_atime = stbuf->st_mtime = stbuf->st_ctime = time(NULL);
+
+	return 0;
+}
+
+static int null_truncate(const char *path, off_t size)
+{
+	(void) size;
+
+	if(strcmp(path, "/") != 0)
+		return -ENOENT;
+
+	return 0;
+}
+
+static int null_open(const char *path, struct fuse_file_info *fi)
+{
+	(void) fi;
+
+	if(strcmp(path, "/") != 0)
+		return -ENOENT;
+
+	return 0;
+}
+
+static int null_read(const char *path, char *buf, size_t size,
+		     off_t offset, struct fuse_file_info *fi)
+{
+	(void) buf;
+	(void) offset;
+	(void) fi;
+
+	if(strcmp(path, "/") != 0)
+		return -ENOENT;
+
+	if (offset >= (1ULL << 32))
+		return 0;
+
+	return size;
+}
+
+static int null_write(const char *path, const char *buf, size_t size,
+		      off_t offset, struct fuse_file_info *fi)
+{
+	(void) buf;
+	(void) offset;
+	(void) fi;
+
+	if(strcmp(path, "/") != 0)
+		return -ENOENT;
+
+	return size;
+}
+
+static struct fuse_operations null_oper = {
+	.getattr	= null_getattr,
+	.truncate	= null_truncate,
+	.open		= null_open,
+	.read		= null_read,
+	.write		= null_write,
+};
+
+int main(int argc, char *argv[])
+{
+	return fuse_main(argc, argv, &null_oper, NULL);
+}