forked from Bananymous/banan-os
52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
#pragma once
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#include <BAN/Traits.h>
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#include <kernel/Syscall.h>
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#include <stddef.h>
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#include <stdint.h>
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template<typename T>
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inline constexpr T min(T a, T b)
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{
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return a < b ? a : b;
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}
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template<typename T>
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inline constexpr T max(T a, T b)
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{
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return a > b ? a : b;
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}
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template<typename... Ts> requires (sizeof...(Ts) <= 5) && ((BAN::is_integral_v<Ts> || BAN::is_pointer_v<Ts>) && ...)
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inline auto syscall(long syscall, Ts... args)
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{
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return Kernel::syscall(syscall, (uintptr_t)args...);
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}
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void print(int fd, const char* buffer);
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[[noreturn]] void print_error_and_exit(const char* message, int error);
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template<BAN::unsigned_integral T>
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inline void print_uint(int fd, T val, uint8_t base = 10)
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{
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constexpr auto get_base_char = [](T val) { return ((val < 10) ? '0' : 'A' - 10) + val; };
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char buffer[32];
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char* ptr = buffer + sizeof(buffer);
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*--ptr = '\0';
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do { *--ptr = get_base_char(val % base); val /= base; } while (val);
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print(fd, ptr);
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}
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int strcmp(const char* s1, const char* s2);
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char* strcpy(char* __restrict s1, const char* __restrict s2);
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void* memcpy(void* __restrict s1, const void* __restrict s2, size_t n);
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void* memset(void* s, int c, size_t n);
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void init_random();
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void fini_random();
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uintptr_t get_random_uptr();
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