Implemented existing files writing in FUSE driver.

git-svn-id: http://exfat.googlecode.com/svn/trunk@40 60bc1c72-a15a-11de-b98f-4500b42dc123

diff --git a/fuse/main.c b/fuse/main.c
index 698541d..b223be0 100644 (file)
--- a/fuse/main.c
+++ b/fuse/main.c
@@ -49,6 +49,22 @@ static int fuse_exfat_getattr(const char *path, struct stat *stbuf)
        return 0;
 }
 
+static int fuse_exfat_truncate(const char *path, off_t size)
+{
+       struct exfat_node* node;
+       int rc;
+
+       exfat_debug("[fuse_exfat_truncate] %s, %llu", path, size);
+
+       rc = exfat_lookup(&ef, &node, path);
+       if (rc != 0)
+               return rc;
+
+       exfat_truncate(&ef, node, size);
+       exfat_put_node(node);
+       return 0;
+}
+
 static int fuse_exfat_readdir(const char *path, void *buffer,
                fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi)
 {
@@ -121,6 +137,13 @@ static int fuse_exfat_read(const char *path, char *buffer, size_t size,
        return exfat_read(&ef, get_node(fi), buffer, size, offset);
 }
 
+static int fuse_exfat_write(const char *path, const char *buffer, size_t size,
+               off_t offset, struct fuse_file_info *fi)
+{
+       exfat_debug("[fuse_exfat_write] %s (%zu bytes)", path, size);
+       return exfat_write(&ef, get_node(fi), buffer, size, offset);
+}
+
 static int fuse_exfat_statfs(const char *path, struct statvfs *sfs)
 {
        const uint64_t block_count = le64_to_cpu(ef.sb->block_count);
@@ -159,10 +182,12 @@ static void usage(const char* prog)
 static struct fuse_operations fuse_exfat_ops =
 {
        .getattr        = fuse_exfat_getattr,
+       .truncate       = fuse_exfat_truncate,
        .readdir        = fuse_exfat_readdir,
        .open           = fuse_exfat_open,
        .release        = fuse_exfat_release,
        .read           = fuse_exfat_read,
+       .write          = fuse_exfat_write,
        .statfs         = fuse_exfat_statfs,
        .destroy        = fuse_exfat_destroy,
 };