mirror of
https://git.sr.ht/~cismonx/bookmarkfs
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4be158c988
In the `escape_control_chars()` function, we're not actually "escaping" the characters, just replacing them.
95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
/**
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* bookmarkfs/src/fsck_util.c
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* ----
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*
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* Copyright (C) 2024 CismonX <admin@cismon.net>
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*
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* This file is part of BookmarkFS.
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*
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* BookmarkFS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* BookmarkFS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with BookmarkFS. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "fsck_util.h"
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#include <ctype.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include <string.h>
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#include "xstd.h"
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int
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explain_fsck_result (
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enum bookmarkfs_fsck_result result,
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struct bookmarkfs_fsck_data const *data
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) {
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char name_buf[sizeof(data->name)];
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translit_control_chars(name_buf, sizeof(name_buf), data->name, '?');
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#define PRINT_FSCK_RESULT(s, ...) \
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printf("bookmark %" PRIu64 " name '%.*s' " s "\n", data->id, \
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(int)sizeof(name_buf), name_buf, __VA_ARGS__);
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switch (result) {
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case BOOKMARKFS_FSCK_RESULT_END:
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break;
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case BOOKMARKFS_FSCK_RESULT_NAME_DUPLICATE:
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PRINT_FSCK_RESULT("duplicates with %" PRIu64, data->extra);
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break;
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case BOOKMARKFS_FSCK_RESULT_NAME_BADCHAR:
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PRINT_FSCK_RESULT("contains a bad character at offset %" PRIu64,
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data->extra);
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break;
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case BOOKMARKFS_FSCK_RESULT_NAME_BADLEN:
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PRINT_FSCK_RESULT("has invalid length %" PRIu64, data->extra);
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break;
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case BOOKMARKFS_FSCK_RESULT_NAME_DOTDOT:
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PRINT_FSCK_RESULT("%s", "is invalid (must not be '.' or '..')");
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break;
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case BOOKMARKFS_FSCK_RESULT_NAME_INVALID:
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PRINT_FSCK_RESULT("is invalid (reason number %" PRIu64 ")",
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data->extra);
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break;
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default:
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log_printf("unknown fsck result code: %d", result);
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return -1;
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}
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return 0;
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}
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int
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translit_control_chars (
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char *restrict dst,
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size_t dst_max,
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char const *restrict src,
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char ch
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) {
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int cnt = 0;
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for (char *end = stpncpy(dst, src, dst_max); dst < end; ++dst) {
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if (iscntrl((unsigned char)(*dst))) {
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*dst = ch;
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++cnt;
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}
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}
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return cnt;
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}
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