bt2c::GCharUP basename;
std::string index_basename;
bt2c::GCharUP index_file_path;
- GMappedFile *mapped_file = NULL;
+ bt2c::GMappedFileUP mapped_file;
gsize filesize;
const char *mmap_begin = NULL, *file_pos = NULL;
const struct ctf_packet_index_file_hdr *header = NULL;
index_basename = fmt::format("{}.idx", basename.get());
index_file_path.reset(g_build_filename(directory.get(), "index", index_basename.c_str(), NULL));
- mapped_file = g_mapped_file_new(index_file_path.get(), FALSE, NULL);
+ mapped_file.reset(g_mapped_file_new(index_file_path.get(), FALSE, NULL));
if (!mapped_file) {
BT_CPPLOGD_SPEC(ds_file->logger, "Cannot create new mapped file {}", index_file_path.get());
goto error;
* Traces with such large indexes have never been seen in the wild,
* but this would need to be adjusted to support them.
*/
- filesize = g_mapped_file_get_length(mapped_file);
+ filesize = g_mapped_file_get_length(mapped_file.get());
if (filesize < sizeof(*header)) {
BT_CPPLOGW_SPEC(ds_file->logger,
"Invalid LTTng trace index file: "
goto error;
}
- mmap_begin = g_mapped_file_get_contents(mapped_file);
+ mmap_begin = g_mapped_file_get_contents(mapped_file.get());
header = (struct ctf_packet_index_file_hdr *) mmap_begin;
- file_pos = g_mapped_file_get_contents(mapped_file) + sizeof(*header);
+ file_pos = g_mapped_file_get_contents(mapped_file.get()) + sizeof(*header);
if (be32toh(header->magic) != CTF_INDEX_MAGIC) {
BT_CPPLOGW_STR_SPEC(ds_file->logger,
"Invalid LTTng trace index: \"magic\" field validation failed");
goto error;
}
end:
- if (mapped_file) {
- g_mapped_file_unref(mapped_file);
- }
return index;
error:
index.reset();