101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
#define FUSE_USE_VERSION 31
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#include <fuse.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <time.h>
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#include <assert.h>
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#include "kocdecl.h"
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static void bdfe_to_stat(struct bdfe *kf, struct stat *st) {
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if (kf->attr & KF_FOLDER) {
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st->st_mode = S_IFDIR | 0755;
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st->st_nlink = 2;
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} else {
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st->st_mode = S_IFREG | 0644;
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st->st_nlink = 1;
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st->st_size = kf->size;
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}
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st->st_atim = (struct timespec){kos_time_to_epoch(&(kf->atime)), 0};
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st->st_mtim = (struct timespec){kos_time_to_epoch(&(kf->mtime)), 0};
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st->st_ctim = (struct timespec){kos_time_to_epoch(&(kf->ctime)), 0};
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}
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static void *hello_init(struct fuse_conn_info *conn,
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struct fuse_config *cfg) {
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(void) conn;
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cfg->kernel_cache = 1;
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return NULL;
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}
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static int hello_getattr(const char *path, struct stat *stbuf,
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struct fuse_file_info *fi) {
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(void) fi;
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int res = 0;
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struct bdfe *kf = kos_fuse_getattr(path);
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bdfe_to_stat(kf, stbuf);
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// res = -ENOENT;
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return res;
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}
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static int hello_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
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off_t offset, struct fuse_file_info *fi,
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enum fuse_readdir_flags flags) {
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(void) offset;
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(void) fi;
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(void) flags;
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void *header = kos_fuse_readdir(path, offset);
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uint32_t i = *(uint32_t*)(header + 4);
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struct bdfe *kf = header + 0x20;
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for(; i>0; i--) {
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filler(buf, kf->name, NULL, 0, 0);
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kf++;
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}
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return 0;
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}
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static int hello_open(const char *path, struct fuse_file_info *fi) {
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// if (strcmp(path+1, "blah") != 0)
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// return -ENOENT;
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(void) path;
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if ((fi->flags & O_ACCMODE) != O_RDONLY)
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return -EACCES;
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return 0;
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}
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static int hello_read(const char *path, char *buf, size_t size, off_t offset,
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struct fuse_file_info *fi) {
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(void) fi;
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kos_fuse_read(path, buf, size, offset);
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return size;
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}
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static struct fuse_operations hello_oper = {
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.init = hello_init,
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.getattr = hello_getattr,
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.readdir = hello_readdir,
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.open = hello_open,
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.read = hello_read,
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};
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int main(int argc, char *argv[]) {
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if (argc != 3) {
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printf("usage: kofuse dir img\n");
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exit(1);
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}
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int fd = open(argv[2], O_RDONLY);
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kos_fuse_init(fd);
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return fuse_main(argc-1, argv, &hello_oper, NULL);
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}
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