/** * bookmarkfs/src/fsck_util.c * ---- * * Copyright (C) 2024 CismonX * * This file is part of BookmarkFS. * * BookmarkFS is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * BookmarkFS is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with BookmarkFS. If not, see . */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "fsck_util.h" #include #include #include #include #include "xstd.h" int explain_fsck_result ( enum bookmarkfs_fsck_result result, struct bookmarkfs_fsck_data const *data ) { char name_buf[sizeof(data->name)]; escape_control_chars(name_buf, sizeof(name_buf), data->name, '?'); #define PRINT_FSCK_RESULT(s, ...) \ printf("bookmark %" PRIu64 " name '%.*s' " s "\n", data->id, \ (int)sizeof(name_buf), name_buf, __VA_ARGS__); switch (result) { case BOOKMARKFS_FSCK_RESULT_END: break; case BOOKMARKFS_FSCK_RESULT_NAME_DUPLICATE: PRINT_FSCK_RESULT("duplicates with %" PRIu64, data->extra); break; case BOOKMARKFS_FSCK_RESULT_NAME_BADCHAR: PRINT_FSCK_RESULT("contains a bad character at offset %" PRIu64, data->extra); break; case BOOKMARKFS_FSCK_RESULT_NAME_BADLEN: PRINT_FSCK_RESULT("has invalid length %" PRIu64, data->extra); break; case BOOKMARKFS_FSCK_RESULT_NAME_DOTDOT: PRINT_FSCK_RESULT("%s", "is invalid (must not be '.' or '..')"); break; case BOOKMARKFS_FSCK_RESULT_NAME_INVALID: PRINT_FSCK_RESULT("is invalid (reason number %" PRIu64 ")", data->extra); break; default: log_printf("unknown fsck result code: %d", result); return -1; } return 0; } int escape_control_chars ( char *restrict dst, size_t dst_max, char const *restrict src, char ch ) { int cnt = 0; for (char *end = stpncpy(dst, src, dst_max); dst < end; ++dst) { if (iscntrl((unsigned char)(*dst))) { *dst = ch; ++cnt; } } return cnt; }