Current File : //backups/router/usr/local/include/syslog-ng/utf8utils.h
/*
* Copyright (c) 2015 Balabit
* Copyright (c) 2015 Balázs Scheidler
*
* This library 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.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#ifndef UTF8UTILS_H_INCLUDED
#define UTF8UTILS_H_INCLUDED
#include "syslog-ng.h"
void append_unsafe_utf8_as_escaped_binary(GString *escaped_string, const gchar *str,
gssize str_len, const gchar *unsafe_chars);
gchar *convert_unsafe_utf8_to_escaped_binary(const gchar *str, gssize str_len,
const gchar *unsafe_chars);
void append_unsafe_utf8_as_escaped_text(GString *escaped_string, const gchar *str,
gssize str_len, const gchar *unsafe_chars);
gchar *convert_unsafe_utf8_to_escaped_text(const gchar *str, gssize str_len,
const gchar *unsafe_chars);
void append_unsafe_utf8_as_escaped(GString *escaped_output, const gchar *raw,
gssize raw_len, const gchar *unsafe_chars,
const gchar *control_format,
const gchar *invalid_format);
/* for performance-critical use only */
#define SANITIZE_UTF8_BUFFER_SIZE(l) (l * 6 + 1)
static inline const gchar *
optimized_sanitize_utf8_to_escaped_binary(const guchar *data, gint length, gsize *new_length, gchar *out,
gsize out_size)
{
GString sanitized_message;
/* avoid GString allocation */
sanitized_message.str = out;
sanitized_message.len = 0;
sanitized_message.allocated_len = out_size;
append_unsafe_utf8_as_escaped_binary(&sanitized_message, (const gchar *) data, length, NULL);
/* MUST NEVER BE REALLOCATED */
g_assert(sanitized_message.str == out);
*new_length = sanitized_message.len;
return out;
}
#endif
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