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-rw-r--r--dev/kernel/src/Utils.cc349
1 files changed, 160 insertions, 189 deletions
diff --git a/dev/kernel/src/Utils.cc b/dev/kernel/src/Utils.cc
index f5e61ddf..4f47849b 100644
--- a/dev/kernel/src/Utils.cc
+++ b/dev/kernel/src/Utils.cc
@@ -1,224 +1,195 @@
/* -------------------------------------------
- Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
+ Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
------------------------------------------- */
#include <NewKit/Utils.h>
-namespace Kernel
-{
- Int32 rt_string_cmp(const Char* src, const Char* cmp, Size size)
- {
- Int32 counter = 0;
+namespace Kernel {
+Int32 rt_string_cmp(const Char* src, const Char* cmp, Size size) {
+ Int32 counter = 0;
- for (Size index = 0; index < size; ++index)
- {
- if (src[index] != cmp[index])
- ++counter;
- }
+ for (Size index = 0; index < size; ++index) {
+ if (src[index] != cmp[index]) ++counter;
+ }
- return counter;
- }
+ return counter;
+}
+
+Void rt_zero_memory(voidPtr pointer, Size len) {
+ rt_set_memory(pointer, 0, len);
+}
+
+SizeT rt_string_len(const Char* str, SizeT _len) {
+ SizeT len{0};
+
+ do {
+ if (len > _len) {
+ return _len;
+ }
+
+ ++len;
+ } while (str[len] != '\0');
+
+ return len;
+}
+
+Size rt_string_len(const Char* ptr) {
+ SizeT cnt{0};
+
+ while (ptr[cnt] != 0) ++cnt;
+
+ return cnt;
+}
+
+voidPtr rt_set_memory(voidPtr src, UInt32 value, Size len) {
+ UInt32* start = reinterpret_cast<UInt32*>(src);
+
+ while (len) {
+ *start = value;
+ ++start;
+ --len;
+ }
+
+ return (voidPtr) start;
+}
+
+Int rt_move_memory(const voidPtr src, voidPtr dst, Size len) {
+ Char* srcChr = reinterpret_cast<Char*>(src);
+ Char* dstChar = reinterpret_cast<Char*>(dst);
+ SizeT index = 0;
+
+ while (index < len) {
+ dstChar[index] = srcChr[index];
+ srcChr[index] = 0;
+
+ ++index;
+ }
+
+ return 0;
+}
+
+Int rt_copy_memory(const voidPtr src, voidPtr dst, Size len) {
+ char* srcChr = reinterpret_cast<char*>(src);
+ char* dstChar = reinterpret_cast<char*>(dst);
+ Size index = 0;
+
+ while (index < len) {
+ dstChar[index] = srcChr[index];
+ ++index;
+ }
- Void rt_zero_memory(voidPtr pointer, Size len)
- {
- rt_set_memory(pointer, 0, len);
- }
+ dstChar[index] = 0;
- SizeT rt_string_len(const Char* str, SizeT _len)
- {
- SizeT len{0};
+ return index;
+}
+
+const Char* rt_alloc_string(const Char* src) {
+ const Char* string = new Char[rt_string_len(src) + 1];
+
+ if (!string) return nullptr;
+
+ voidPtr v_src = reinterpret_cast<voidPtr>(const_cast<char*>(src));
+ voidPtr v_dst = reinterpret_cast<voidPtr>(const_cast<char*>(string));
+
+ rt_copy_memory(v_src, v_dst, rt_string_len(src) + 1);
+
+ return string;
+}
- do
- {
- if (len > _len)
- {
- return _len;
- }
+Int32 rt_to_uppercase(Int32 character) {
+ if (character >= 'a' && character <= 'z') return character - 0x20;
- ++len;
- } while (str[len] != '\0');
+ return character;
+}
- return len;
- }
+Int32 rt_is_alnum(Int32 character) {
+ return (character >= 'a' && character <= 'z') || (character >= 'A' && character <= 'Z') ||
+ (character >= '0' && character <= '9');
+}
- Size rt_string_len(const Char* ptr)
- {
- SizeT cnt{0};
+Int32 rt_to_lower(Int32 character) {
+ if (character >= 'A' && character <= 'Z') return character + 0x20;
- while (ptr[cnt] != 0)
- ++cnt;
-
- return cnt;
- }
-
- voidPtr rt_set_memory(voidPtr src, UInt32 value, Size len)
- {
- UInt32* start = reinterpret_cast<UInt32*>(src);
-
- while (len)
- {
- *start = value;
- ++start;
- --len;
- }
-
- return (voidPtr)start;
- }
-
- Int rt_move_memory(const voidPtr src, voidPtr dst, Size len)
- {
- Char* srcChr = reinterpret_cast<Char*>(src);
- Char* dstChar = reinterpret_cast<Char*>(dst);
- SizeT index = 0;
-
- while (index < len)
- {
- dstChar[index] = srcChr[index];
- srcChr[index] = 0;
-
- ++index;
- }
-
- return 0;
- }
-
- Int rt_copy_memory(const voidPtr src, voidPtr dst, Size len)
- {
- char* srcChr = reinterpret_cast<char*>(src);
- char* dstChar = reinterpret_cast<char*>(dst);
- Size index = 0;
-
- while (index < len)
- {
- dstChar[index] = srcChr[index];
- ++index;
- }
-
- dstChar[index] = 0;
-
- return index;
- }
-
- const Char* rt_alloc_string(const Char* src)
- {
- const Char* string = new Char[rt_string_len(src) + 1];
-
- if (!string)
- return nullptr;
-
- voidPtr v_src = reinterpret_cast<voidPtr>(const_cast<char*>(src));
- voidPtr v_dst = reinterpret_cast<voidPtr>(const_cast<char*>(string));
-
- rt_copy_memory(v_src, v_dst, rt_string_len(src) + 1);
-
- return string;
- }
-
- Int32 rt_to_uppercase(Int32 character)
- {
- if (character >= 'a' && character <= 'z')
- return character - 0x20;
-
- return character;
- }
-
- Int32 rt_is_alnum(Int32 character)
- {
- return (character >= 'a' && character <= 'z') || (character >= 'A' && character <= 'Z') || (character >= '0' && character <= '9');
- }
-
- Int32 rt_to_lower(Int32 character)
- {
- if (character >= 'A' && character <= 'Z')
- return character + 0x20;
-
- return character;
- }
+ return character;
+}
- Boolean rt_is_space(Char chr)
- {
- return chr == ' ';
- }
-
- Boolean rt_is_newln(Char chr)
- {
- return chr == '\n';
- }
-
- VoidPtr rt_string_in_string(const Char* in, const Char* needle)
- {
- for (SizeT i = 0; i < rt_string_len(in); ++i)
- {
- if (rt_string_cmp(in + i, needle, rt_string_len(needle)) == 0)
- return reinterpret_cast<voidPtr>(const_cast<char*>(in + i));
- }
-
- return nullptr;
- }
-
- Char rt_to_char(UInt64 base, Int32 limit)
- {
- Char kNumbers[17] = "0123456789ABCDEF";
- return kNumbers[base % limit];
- }
+Boolean rt_is_space(Char chr) {
+ return chr == ' ';
+}
- Bool rt_to_string(Char* str, UInt64 base, Int32 limit)
- {
+Boolean rt_is_newln(Char chr) {
+ return chr == '\n';
+}
+
+VoidPtr rt_string_in_string(const Char* in, const Char* needle) {
+ for (SizeT i = 0; i < rt_string_len(in); ++i) {
+ if (rt_string_cmp(in + i, needle, rt_string_len(needle)) == 0)
+ return reinterpret_cast<voidPtr>(const_cast<char*>(in + i));
+ }
+
+ return nullptr;
+}
+
+Char rt_to_char(UInt64 base, Int32 limit) {
+ Char kNumbers[17] = "0123456789ABCDEF";
+ return kNumbers[base % limit];
+}
+
+Bool rt_to_string(Char* str, UInt64 base, Int32 limit) {
#ifdef __NE_AMD64__
- auto i = 0;
+ auto i = 0;
- auto final_number = base;
+ auto final_number = base;
- auto mult = 1;
- auto elems = 0L;
+ auto mult = 1;
+ auto elems = 0L;
- base /= 10;
+ base /= 10;
- while (base > 0)
- {
- elems++;
- mult *= 10;
- base /= 10;
- }
+ while (base > 0) {
+ elems++;
+ mult *= 10;
+ base /= 10;
+ }
- while (elems > -1)
- {
- final_number = (final_number % mult) * 10 + final_number / mult;
- str[i] = rt_to_char(final_number, limit);
+ while (elems > -1) {
+ final_number = (final_number % mult) * 10 + final_number / mult;
+ str[i] = rt_to_char(final_number, limit);
- --elems;
- ++i;
- }
+ --elems;
+ ++i;
+ }
#endif
- return YES;
- }
+ return YES;
+}
+
+/// @brief Checks for a string start at the character.
- /// @brief Checks for a string start at the character.
+Char* rt_string_has_char(Char* str, Char chr) {
+ while (*str != chr) {
+ ++str;
- Char* rt_string_has_char(Char* str, Char chr)
- {
- while (*str != chr)
- {
- ++str;
+ if (*str == 0) return nullptr;
+ }
- if (*str == 0)
- return nullptr;
- }
+ return str;
+}
+} // namespace Kernel
- return str;
- }
-} // namespace Kernel
+////// @note These symbols were written to satisfy gcc, clang and other compiler complaints.
+
+EXTERN_C void* memset(void* dst, int c, long long unsigned int len) {
+ return Kernel::rt_set_memory(dst, c, len);
+}
-EXTERN_C void* memset(void* dst, int c, long long unsigned int len)
-{
- return Kernel::rt_set_memory(dst, c, len);
+EXTERN_C void* memcpy(void* dst, const void* src, long long unsigned int len) {
+ Kernel::rt_copy_memory(const_cast<void*>(src), dst, len);
+ return dst;
}
-EXTERN_C void* memcpy(void* dst, const void* src, long long unsigned int len)
-{
- Kernel::rt_copy_memory(const_cast<void*>(src), dst, len);
- return dst;
+EXTERN_C Kernel::Int32 strcmp(const char* dst, const char* src) {
+ return Kernel::rt_string_cmp(dst, src, Kernel::rt_string_len(dst));
}
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