tree-wide: drop 'This file is part of systemd' blurb

[thirdparty/systemd.git] / src / basic / utf8.h

diff --git a/src/basic/utf8.h b/src/basic/utf8.h
index e745649f06f5b06fcbe7b0869a798f068820d403..ffe49c128587ec310b063fb8bbe388ab684103b5 100644 (file)
--- a/src/basic/utf8.h
+++ b/src/basic/utf8.h
@@ -1,36 +1,26 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
 /***
-  This file is part of systemd.
-
   Copyright 2012 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd 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
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
 #include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <uchar.h>
 
 #include "macro.h"
+#include "missing.h"
 
 #define UTF8_REPLACEMENT_CHARACTER "\xef\xbf\xbd"
+#define UTF8_BYTE_ORDER_MARK "\xef\xbb\xbf"
 
-bool unichar_is_valid(uint32_t c);
+bool unichar_is_valid(char32_t c);
 
 const char *utf8_is_valid(const char *s) _pure_;
 char *ascii_is_valid(const char *s) _pure_;
+char *ascii_is_valid_n(const char *str, size_t len);
 
 bool utf8_is_printable_newline(const char* str, size_t length, bool newline) _pure_;
 #define utf8_is_printable(str, length) utf8_is_printable_newline(str, length, true)
@@ -38,20 +28,23 @@ bool utf8_is_printable_newline(const char* str, size_t length, bool newline) _pu
 char *utf8_escape_invalid(const char *s);
 char *utf8_escape_non_printable(const char *str);
 
-size_t utf8_encode_unichar(char *out_utf8, uint32_t g);
+size_t utf8_encode_unichar(char *out_utf8, char32_t g);
 char *utf16_to_utf8(const void *s, size_t length);
 
 int utf8_encoded_valid_unichar(const char *str);
-int utf8_encoded_to_unichar(const char *str);
+int utf8_encoded_to_unichar(const char *str, char32_t *ret_unichar);
 
-static inline bool utf16_is_surrogate(uint16_t c) {
+static inline bool utf16_is_surrogate(char16_t c) {
         return (0xd800 <= c && c <= 0xdfff);
 }
 
-static inline bool utf16_is_trailing_surrogate(uint16_t c) {
+static inline bool utf16_is_trailing_surrogate(char16_t c) {
         return (0xdc00 <= c && c <= 0xdfff);
 }
 
-static inline uint32_t utf16_surrogate_pair_to_unichar(uint16_t lead, uint16_t trail) {
+static inline char32_t utf16_surrogate_pair_to_unichar(char16_t lead, char16_t trail) {
                 return ((lead - 0xd800) << 10) + (trail - 0xdc00) + 0x10000;
 }
+
+size_t utf8_n_codepoints(const char *str);
+size_t utf8_console_width(const char *str);