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/*
* ndpi_main.c
*
* Copyright (C) 2011-22 - ntop.org
*
* This file is part of nDPI, an open source deep packet inspection
* library based on the OpenDPI and PACE technology by ipoque GmbH
*
* nDPI 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 3 of the License, or
* (at your option) any later version.
*
* nDPI 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 nDPI. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __NDPI_UTILS_H__
#define __NDPI_UTILS_H__
#include "ndpi_define.h"
#ifndef NDPI_CFFI_PREPROCESSING
extern u_int8_t ndpi_ends_with(char *str, char *ends);
#endif // NDPI_CFFI_PREPROCESSING
/* **************************************** */
/* Can't call libc functions from kernel space, define some stub instead */
#define ndpi_isalpha(ch) (((ch) >= 'a' && (ch) <= 'z') || ((ch) >= 'A' && (ch) <= 'Z'))
#define ndpi_isdigit(ch) ((ch) >= '0' && (ch) <= '9')
#define ndpi_isalnum(ch) (ndpi_isalpha(ch) != 0 || ndpi_isdigit(ch) != 0)
#define ndpi_isspace(ch) (((ch) >= '\t' && (ch) <= '\r') || ((ch) == ' '))
#define ndpi_isprint(ch) ((ch) >= 0x20 && (ch) <= 0x7e)
#define ndpi_ispunct(ch) (((ch) >= '!' && (ch) <= '/') || \
((ch) >= ':' && (ch) <= '@') || \
((ch) >= '[' && (ch) <= '`') || \
((ch) >= '{' && (ch) <= '~'))
#ifndef NDPI_CFFI_PREPROCESSING
int ndpi_vsnprintf(char * str, size_t size, char const * format, va_list va_args);
int ndpi_snprintf(char * str, size_t size, char const * format, ...);
struct tm *ndpi_gmtime_r(const time_t *timep,
struct tm *result);
#endif
#endif
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