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93 lines
2.8 KiB
C
93 lines
2.8 KiB
C
/* See the end of this file for copyright, license, and warranty information. */
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#pragma once
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#include <ardix/types.h>
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#include <toolchain.h>
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/**
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* Copy `n` bytes from `src` to `dest`.
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*
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* @param dest: The destination.
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* @param src: The source.
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* @param n: The amount of bytes to copy.
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* @returns A pointer to `dest`.
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*/
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__shared void *memcpy(void *dest, const void *src, size_t n);
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/**
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* Starting from `ptr`, fill `n` bytes with the constant byte `c`.
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*
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* @param ptr: The start of the memory region.
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* @param c: The byte to fill with.
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* @param n: The amount of bytes to write.
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* @returns A pointer to `ptr`.
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*/
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__shared void *memset(void *ptr, int c, size_t n);
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/**
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* Copy a memory area.
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* The two areas may overlap since the individual bytes are copied to a
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* temporary array first.
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*
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* @param dest: The destination address.
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* @param src: The source address.
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* @param n: The amount of bytes to copy.
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* @return a pointer to dest.
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*/
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__shared void *memmove(void *dest, const void *src, size_t n);
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/**
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* Compare the two strings `s1` and `s2`.
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*
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* @param s1: The first string.
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* @param s2: The second string.
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* @returns `0` if both strings are equal, a positive value f `s1` is greater
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* than `s2`, and a negative value if `s1` is less than `s2`.
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*/
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__shared int strcmp(const char *s1, const char *s2);
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/**
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* Copy a `NUL` terminated string from `src` to `dest`.
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*
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* @param dest: The destination to copy to. The memory region must be able to
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* hold the entire string plus one byte for the terminator.
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* @param src: The original string to copy from.
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* @returns A pointer to the destination string.
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*/
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__shared char *strcpy(char *dest, const char *src);
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/**
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* Copy a `NUL` terminated string from `src` to `dest`, but at most `n`
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* characters. Note that this may cause `dest` to miss a `NUL` terminator.
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*
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* @param dest: The destination to copy to. The memory region must be able to
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* hold the entire string plus one byte for the terminator.
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* @param src: The original string to copy from.
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* @param n: The amount of characters to copy at most.
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* @returns A pointer to the destination string.
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*/
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__shared char *strncpy(char *dest, const char *src, size_t n);
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/**
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* Compute the length of the `NUL` terminated string `s`.
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*
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* @param s: The string.
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* @returns The length of `s` without the `NUL` terminator.
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*/
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__shared size_t strlen(const char *s);
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/*
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* This file is part of Ardix.
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* Copyright (c) 2020, 2021 Felix Kopp <owo@fef.moe>.
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*
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* Ardix is non-violent software: you may only use, redistribute,
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* and/or modify it under the terms of the CNPLv6+ as found in
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* the LICENSE file in the source code root directory or at
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* <https://git.pixie.town/thufie/CNPL>.
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*
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* Ardix comes with ABSOLUTELY NO WARRANTY, to the extent
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* permitted by applicable law. See the CNPLv6+ for details.
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*/
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