110 lines
2.2 KiB
C
110 lines
2.2 KiB
C
#define FUSE_USE_VERSION 31
|
|
|
|
#include <fuse.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <stddef.h>
|
|
#include <assert.h>
|
|
#include "kocdecl.h"
|
|
|
|
static void *hello_init(struct fuse_conn_info *conn,
|
|
struct fuse_config *cfg)
|
|
{
|
|
(void) conn;
|
|
cfg->kernel_cache = 1;
|
|
return NULL;
|
|
}
|
|
|
|
static int hello_getattr(const char *path, struct stat *stbuf,
|
|
struct fuse_file_info *fi)
|
|
{
|
|
(void) fi;
|
|
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+1, "blah") == 0) {
|
|
stbuf->st_mode = S_IFREG | 0444;
|
|
stbuf->st_nlink = 1;
|
|
stbuf->st_size = strlen("blah");
|
|
} else
|
|
res = -ENOENT;
|
|
|
|
return res;
|
|
}
|
|
|
|
static int hello_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
|
|
off_t offset, struct fuse_file_info *fi,
|
|
enum fuse_readdir_flags flags)
|
|
{
|
|
(void) offset;
|
|
(void) fi;
|
|
(void) flags;
|
|
|
|
char *bdfe = kos_fuse_readdir(path, offset);
|
|
|
|
// if (strcmp(path, "/") != 0)
|
|
// return -ENOENT;
|
|
uint32_t i = *(uint32_t*)(bdfe + 4);
|
|
// int f = open("/tmp/t", O_RDWR | O_CREAT);
|
|
// write(f, bdfe, 1000);
|
|
// write(f, &i, 4);
|
|
// close(f);
|
|
bdfe += 0x20;
|
|
for(; i>0; i--) {
|
|
filler(buf, bdfe + 0x28, NULL, 0, 0);
|
|
bdfe += 304;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hello_open(const char *path, struct fuse_file_info *fi)
|
|
{
|
|
if (strcmp(path+1, "blah") != 0)
|
|
return -ENOENT;
|
|
|
|
if ((fi->flags & O_ACCMODE) != O_RDONLY)
|
|
return -EACCES;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hello_read(const char *path, char *buf, size_t size, off_t offset,
|
|
struct fuse_file_info *fi)
|
|
{
|
|
size_t len;
|
|
(void) fi;
|
|
if(strcmp(path+1, "blah") != 0)
|
|
return -ENOENT;
|
|
|
|
len = strlen("blah");
|
|
if (offset < len) {
|
|
if (offset + size > len)
|
|
size = len - offset;
|
|
memcpy(buf, "blah" + offset, size);
|
|
} else
|
|
size = 0;
|
|
|
|
return size;
|
|
}
|
|
|
|
static struct fuse_operations hello_oper = {
|
|
.init = hello_init,
|
|
.getattr = hello_getattr,
|
|
.readdir = hello_readdir,
|
|
.open = hello_open,
|
|
.read = hello_read,
|
|
};
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int fd = open(argv[2], O_RDONLY);
|
|
kos_fuse_init(fd);
|
|
return fuse_main(argc-1, argv, &hello_oper, NULL);
|
|
}
|