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/* extlib.h
*
* Copyright 2024 axtlos <axtlos@disroot.org>
*
* This program 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, version 3.
*
* This program 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 Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: LGPL-3.0-only
*/
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#define free(x) error - use free_secure
#define malloc(x) error - use malloc_secure
/// Automatically zero out a pointer before freeing it
void free_secure (void **__ptr, size_t ptrlen);
/// Automatically initialise the allocated memory with zeros
void *malloc_secure (size_t len);
/// Copy the data of one filestream to another
void fcopy(FILE *f1, FILE *f2);
/// Compare the first n bytes of a memory area str to the value val.
/// Returns 0 if the values the same, any other value if they are not the same.
int memvcmp (void *str, char val, size_t n);
/// Convert a string to lowercase
char *strlwr(char *s);
/// Convert a string to uppercase
char *strupr(char *s);
/// Trim spaces from a string
char *trim (char *s);
/// Match string old and replace it with string replace
char *replace_str (char *s, char *old, char *replace);
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