diff options
| -rw-r--r-- | src/database.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/database.c b/src/database.c index 4d36169c..8e927bfc 100644 --- a/src/database.c +++ b/src/database.c @@ -41,9 +41,14 @@ #define DIRECTORY_INFO_BEGIN "info_begin" #define DIRECTORY_INFO_END "info_end" +#define DB_FORMAT_PREFIX "format: " #define DIRECTORY_MPD_VERSION "mpd_version: " #define DIRECTORY_FS_CHARSET "fs_charset: " +enum { + DB_FORMAT = 0, +}; + static char *database_path; static struct directory *music_root; @@ -233,6 +238,7 @@ db_save(void) /* block signals when writing the db so we don't get a corrupted db */ fprintf(fp, "%s\n", DIRECTORY_INFO_BEGIN); + fprintf(fp, DB_FORMAT_PREFIX "%u\n", DB_FORMAT); fprintf(fp, "%s%s\n", DIRECTORY_MPD_VERSION, VERSION); fprintf(fp, "%s%s\n", DIRECTORY_FS_CHARSET, path_get_fs_charset()); fprintf(fp, "%s\n", DIRECTORY_INFO_END); @@ -259,6 +265,7 @@ db_load(GError **error) struct stat st; GString *buffer = g_string_sized_new(1024); char *line; + int format = 0; bool found_charset = false, found_version = false; bool success; @@ -285,7 +292,9 @@ db_load(GError **error) while ((line = read_text_line(fp, buffer)) != NULL && strcmp(line, DIRECTORY_INFO_END) != 0) { - if (g_str_has_prefix(line, DIRECTORY_MPD_VERSION)) { + if (g_str_has_prefix(line, DB_FORMAT_PREFIX)) { + format = atoi(line + sizeof(DB_FORMAT_PREFIX) - 1); + } else if (g_str_has_prefix(line, DIRECTORY_MPD_VERSION)) { if (found_version) { fclose(fp); g_set_error(error, db_quark(), 0, @@ -330,6 +339,13 @@ db_load(GError **error) } } + if (format != DB_FORMAT) { + g_set_error(error, db_quark(), 0, + "Database format mismatch, " + "discarding database file"); + return false; + } + g_debug("reading DB"); success = directory_load(fp, music_root, buffer, error); |