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-rw-r--r--example/hello.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/example/hello.c b/example/hello.c
new file mode 100644
index 0000000..5cf75f4
--- /dev/null
+++ b/example/hello.c
@@ -0,0 +1,92 @@
+/*
+ FUSE: Filesystem in Userspace
+ Copyright (C) 2001 Miklos Szeredi (mszeredi@inf.bme.hu)
+
+ This program can be distributed under the terms of the GNU GPL.
+ See the file COPYING.
+*/
+
+#include <fuse.h>
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+
+static const char *hello_str = "Hello World!\n";
+
+static int hello_getattr(const char *path, struct stat *stbuf)
+{
+ int res = 0;
+
+ memset(stbuf, 0, sizeof(struct stat));
+ if(strcmp(path, "/") == 0) {
+ stbuf->st_mode = S_IFDIR | 0755;
+ stbuf->st_nlink = 2;
+ }
+ else if(strcmp(path, "/hello") == 0) {
+ stbuf->st_mode = S_IFREG | 0644;
+ stbuf->st_nlink = 1;
+ stbuf->st_size = strlen(hello_str);
+ }
+ else
+ res = -ENOENT;
+
+ return res;
+}
+
+static int hello_getdir(const char *path, fuse_dirh_t h, fuse_dirfil_t filler)
+{
+ if(strcmp(path, "/") != 0)
+ return -ENOENT;
+
+ filler(h, ".", 0);
+ filler(h, "..", 0);
+ filler(h, "hello", 0);
+
+ return 0;
+}
+
+static int hello_open(const char *path, int flags)
+{
+ if(strcmp(path, "/hello") != 0)
+ return -ENOENT;
+
+ if((flags & 3) != O_RDONLY)
+ return -EACCES;
+
+ return 0;
+}
+
+static int hello_read(const char *path, char *buf, size_t size, off_t offset)
+{
+ if(strcmp(path, "/hello") != 0)
+ return -ENOENT;
+
+ memcpy(buf, hello_str + offset, size);
+ return size;
+}
+
+static struct fuse_operations null_oper = {
+ getattr: hello_getattr,
+ readlink: NULL,
+ getdir: hello_getdir,
+ mknod: NULL,
+ mkdir: NULL,
+ symlink: NULL,
+ unlink: NULL,
+ rmdir: NULL,
+ rename: NULL,
+ link: NULL,
+ chmod: NULL,
+ chown: NULL,
+ truncate: NULL,
+ utime: NULL,
+ open: hello_open,
+ read: hello_read,
+ write: NULL,
+};
+
+int main(int argc, char *argv[])
+{
+ fuse_main(argc, argv, &null_oper);
+ return 0;
+}