From 88a8745e45f525e5fb12b6b048df87afabebbfc9 Mon Sep 17 00:00:00 2001 From: Amlal El Mahrouss Date: Tue, 3 Jun 2025 23:14:16 +0200 Subject: feat: TLS: Improved its implementation, and add a user field for additional checks. refactor: Reworked `open_msg`'s messaging system. refactor: Rename `Utils.cc` to `AsciiUtils.cc` Signed-off-by: Amlal El Mahrouss --- dev/kernel/src/Utils.cc | 194 ------------------------------------------------ 1 file changed, 194 deletions(-) delete mode 100644 dev/kernel/src/Utils.cc (limited to 'dev/kernel/src/Utils.cc') diff --git a/dev/kernel/src/Utils.cc b/dev/kernel/src/Utils.cc deleted file mode 100644 index 087b6d5f..00000000 --- a/dev/kernel/src/Utils.cc +++ /dev/null @@ -1,194 +0,0 @@ -/* ------------------------------------------- - - Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved. - -------------------------------------------- */ - -#include - -namespace Kernel { - -STATIC Int rt_copy_memory_safe(const voidPtr src, voidPtr dst, Size len, Size dst_size); -STATIC voidPtr rt_set_memory_safe(voidPtr dst, UInt32 value, Size len, Size dst_size); - -Int32 rt_string_cmp(const Char* src, const Char* cmp, Size size) { - for (Size i = 0; i < size; ++i) { - if (src[i] != cmp[i]) - return static_cast(src[i]) - static_cast(cmp[i]); - } - return 0; -} - -SizeT rt_string_len(const Char* str, SizeT max_len) { - SizeT len = 0; - while (len < max_len && str[len] != '\0') - ++len; - return len; -} - -Size rt_string_len(const Char* ptr) { - Size cnt = 0; - while (ptr[cnt] != '\0') - ++cnt; - return cnt; -} - -const Char* rt_alloc_string(const Char* src) { - SizeT slen = rt_string_len(src); - Char* buffer = new Char[slen + 1]; - if (!buffer) return nullptr; - - if (rt_copy_memory_safe(reinterpret_cast(const_cast(src)), - reinterpret_cast(buffer), - slen, - slen + 1) < 0) { - delete[] buffer; - return nullptr; - } - - buffer[slen] = '\0'; - return buffer; -} - -STATIC Int rt_copy_memory_safe(const voidPtr src, voidPtr dst, Size len, Size dst_size) { - if (!src || !dst || len > dst_size) { - if (dst && dst_size) { - rt_set_memory_safe(dst, 0, dst_size, dst_size); - } - return -1; - } - auto s = reinterpret_cast(src); - auto d = reinterpret_cast(dst); - for (Size i = 0; i < len; ++i) - d[i] = s[i]; - return static_cast(len); -} - -STATIC voidPtr rt_set_memory_safe(voidPtr dst, UInt32 value, Size len, Size dst_size) { - if (!dst || len > dst_size) return nullptr; - auto p = reinterpret_cast(dst); - UInt8 v = static_cast(value & 0xFF); - for (Size i = 0; i < len; ++i) - p[i] = v; - return dst; -} - -Void rt_zero_memory(voidPtr pointer, Size len) { - rt_set_memory_safe(pointer, 0, len, len); -} - -#ifdef __NE_ENFORCE_DEPRECATED_WARNINGS -[[deprecated("Use rt_set_memory_safe instead")]] -#endif -voidPtr rt_set_memory(voidPtr src, UInt32 value, Size len) { - if (!src) return nullptr; - auto p = reinterpret_cast(src); - UInt8 v = static_cast(value & 0xFF); - for (Size i = 0; i < len; ++i) - p[i] = v; - return src; -} - -#ifdef __NE_ENFORCE_DEPRECATED_WARNINGS -[[deprecated("Use rt_copy_memory_safe instead")]] -#endif -Int rt_copy_memory(const voidPtr src, voidPtr dst, Size len) { - if (!src || !dst) return -1; - auto s = reinterpret_cast(src); - auto d = reinterpret_cast(dst); - - for (Size i = 0; i < len; ++i) - d[i] = s[i]; - - return static_cast(len); -} - - -Int32 rt_to_uppercase(Int32 ch) { - return (ch >= 'a' && ch <= 'z') ? ch - 0x20 : ch; -} - -Int32 rt_to_lower(Int32 ch) { - return (ch >= 'A' && ch <= 'Z') ? ch + 0x20 : ch; -} - -Int32 rt_is_alnum(Int32 ch) { - return (ch >= 'a' && ch <= 'z') || - (ch >= 'A' && ch <= 'Z') || - (ch >= '0' && ch <= '9'); -} - -Boolean rt_is_space(Char ch) { - return ch == ' '; -} - -Boolean rt_is_newln(Char ch) { - return ch == '\n'; -} - -Char rt_to_char(UInt64 value, Int32 base) { - static constexpr Char kDigits[] = "0123456789ABCDEF"; - return kDigits[value % base]; -} - -Bool rt_to_string(Char* str, UInt64 value, Int32 base) { -#ifdef __NE_AMD64__ - Int i = 0; - do { - str[i++] = rt_to_char(value, base); - value /= base; - } while (value); - str[i] = '\0'; - // in-place - for (Int j = 0; j < i / 2; ++j) { - Char tmp = str[j]; - str[j] = str[i - j - 1]; - str[i - j - 1] = tmp; - } -#endif - return true; -} - - -VoidPtr rt_string_in_string(const Char* haystack, const Char* needle) { - SizeT needle_len = rt_string_len(needle); - SizeT hay_len = rt_string_len(haystack); - - if (needle_len > hay_len) return nullptr; - for (SizeT i = 0; i <= hay_len - needle_len; ++i) { - if (rt_string_cmp(haystack + i, needle, needle_len) == 0) { - return reinterpret_cast(const_cast(haystack + i)); - } - } - return nullptr; -} - -Char* rt_string_has_char(Char* str, Char ch) { - while (*str && *str != ch) ++str; - return (*str == ch) ? str : nullptr; -} - -Int32 rt_strcmp(const Char* a, const Char* b) { - Size i = 0; - while (a[i] != '\0' && b[i] != '\0' && a[i] == b[i]) { - ++i; - } - return static_cast(static_cast(a[i]) - - static_cast(b[i])); -} - - // @uses the deprecated version callers should ensure 'len' is valid. -extern "C" void* memset(void* dst, int c, long long unsigned int len) { - return Kernel::rt_set_memory(dst, c, static_cast(len)); -} - -extern "C" void* memcpy(void* dst, const void* src, long long unsigned int len) { - Kernel::rt_copy_memory(const_cast(src), dst, static_cast(len)); - return dst; -} - -extern "C" Kernel::Int32 strcmp(const char* a, const char* b) { - return Kernel::rt_strcmp(a, b); -} - -} -- cgit v1.2.3