ladybird/Kernel/StdLib.h

#pragma once

#include <AK/Types.h>

namespace AK {
class String;
}

namespace Syscall {
struct StringArgument;
}

AK::String copy_string_from_user(const char*, size_t);

extern "C" {

static_assert(sizeof(size_t) == 4);

void* copy_to_user(void*, const void*, size_t);
void* copy_from_user(void*, const void*, size_t);
void* memset_user(void*, int, size_t);

void* memcpy(void*, const void*, size_t);
char* strcpy(char*, const char*);
char* strncpy(char*, const char*, size_t);
int strncmp(const char* s1, const char* s2, size_t n);
int strcmp(char const*, const char*);
size_t strlen(const char*);
size_t strnlen(const char*, size_t);
void* memset(void*, int, size_t);
char* strdup(const char*);
int memcmp(const void*, const void*, size_t);
char* strrchr(const char* str, int ch);
void* memmove(void* dest, const void* src, size_t n);

inline u16 ntohs(u16 w) { return (w & 0xff) << 8 | ((w >> 8) & 0xff); }
inline u16 htons(u16 w) { return (w & 0xff) << 8 | ((w >> 8) & 0xff); }
}

template<typename T>
inline void copy_from_user(T* dest, const T* src)
{
    copy_from_user(dest, src, sizeof(T));
}

template<typename T>
inline void copy_to_user(T* dest, const T* src)
{
    copy_to_user(dest, src, sizeof(T));
}