💾 Archived View for gemini.thededem.de › lc19 › src › include › util.h captured on 2024-08-18 at 18:17:54.

View Raw

More Information

⬅️ Previous capture (2021-12-03)

-=-=-=-=-=-=-

/* Copyright 2020, 2021 Lukas Wedeking
 *
 * This file is part of LC19.
 *
 * LC19 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.
 *
 * LC19 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 LC19.  If not, see <https://www.gnu.org/licenses/>.
 */

#ifndef GEMINI_SERVER_UTIL_H
#define GEMINI_SERVER_UTIL_H

#include "../include/conf.h"

#include<stddef.h>

/*
 * Take a UTF-8 encoded string and get the codepoint of the first character.
 *
 * s is the UTF-8 encoded string, max_length the maximum number of bytes that
 * can be read from s. The codepoint is stored in the arugment codepoint.
 *
 * The return value denotes the number of bytes of the UTF-8 character that was
 * read.
 */
size_t util_utf8_get_codepoint(const char *s, size_t max_length,
		unsigned char codepoint[3]);

/*
 * Log a message to a FILE stream.
 *
 * msg is the string written to the log. It is automatically prepended with a
 * timestamp and suffixed with a newline.
 */
void log_msg(enum Loglevel level, const char *fmt, ...);

/*
 * Copy a string from src to dest.
 *
 * The function copies at most max chars, including the terminating NUL byte.
 * The function returns the number of bytes copied, excluding the terminating
 * NUL byte.
 */
size_t util_strcpy(char *dest, const char *src, size_t max);

/*
 * Parse a MIME type string to retrieve the type without parameters from it.
 *
 * Stores the MIME type in dest and returns the length of the MIME type.
 */
size_t util_mime_type(const char *mime_str, char *dest, size_t size);

/*
 * Get the next mime type parameter name.
 *
 * The parameter name is read from the beginning of param_str and written to
 * dest, including NUL termination. size specifies the size of dest. If a
 * parameter was found in param_str, the function returns the length of the
 * parameter name written to dest, excluding the NUL termination.
 */
size_t util_mime_next_param(const char *param_str, char *dest, size_t size);

#endif /* GEMINI_SERVER_UTIL_H */