static gboolean try_seek_on_read (GVfsBackend *backend, GVfsJobSeekRead *job, GVfsBackendHandle handle, goffset offset, GSeekType type) { GInputStream *stream; GError *error = NULL; stream = G_INPUT_STREAM (handle); if (!g_seekable_seek (G_SEEKABLE (stream), offset, type, G_VFS_JOB (job)->cancellable, &error)) { g_vfs_job_failed_literal (G_VFS_JOB (job), error->domain, error->code, error->message); g_error_free (error); return FALSE; } else { g_vfs_job_seek_read_set_offset (job, g_seekable_tell (G_SEEKABLE (stream))); g_vfs_job_succeeded (G_VFS_JOB (job)); } return TRUE; }
static void do_seek_on_read (GVfsBackend *backend, GVfsJobSeekRead *job, GVfsBackendHandle handle, goffset offset, GSeekType type) { int whence; int fd; off_t final_offset; g_print ("seek_on_read (%d, %u)\n", (int)offset, type); if ((whence = gvfs_seek_type_to_lseek (type)) == -1) whence = SEEK_SET; fd = GPOINTER_TO_INT (handle); final_offset = lseek (fd, offset, whence); if (final_offset == (off_t)-1) { int errsv = errno; g_vfs_job_failed (G_VFS_JOB (job), G_IO_ERROR, g_io_error_from_errno (errsv), "Error seeking in file: %s", g_strerror (errsv)); } else { g_vfs_job_seek_read_set_offset (job, offset); g_vfs_job_succeeded (G_VFS_JOB (job)); } }
static gboolean trash_backend_seek_on_read (GVfsBackend *backend, GVfsJobSeekRead *job, GVfsBackendHandle handle, goffset offset, GSeekType type) { GError *error = NULL; if (g_seekable_seek (handle, offset, type, NULL, &error)) { g_vfs_job_seek_read_set_offset (job, g_seekable_tell (handle)); g_vfs_job_succeeded (G_VFS_JOB (job)); return TRUE; } g_vfs_job_failed_from_error (G_VFS_JOB (job), error); g_error_free (error); return TRUE; }