From 5b1067f8d1e6a8452c1b4028422b2c3d989a5341 Mon Sep 17 00:00:00 2001
From: coffee <catheadcoffee@gmail.com>
Date: Fri, 29 May 2026 14:44:03 +0800
Subject: [PATCH] =?UTF-8?q?1.=20HBit=E5=A2=9E=E5=8A=A0=E5=8F=AF=E5=AF=B9?=
 =?UTF-8?q?=E6=AF=94=E5=92=8C=E8=B5=8B=E5=80=BC=E5=8A=9F=E8=83=BD?=
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---
 include/HBit.h |  8 ++++++++
 src/HBit.c     | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)

diff --git a/include/HBit.h b/include/HBit.h
index 4621dd7..038bc37 100644
--- a/include/HBit.h
+++ b/include/HBit.h
@@ -83,5 +83,13 @@ HBitType HBitAll(const HBitType *data);
 // 如果所有比特为0, 返回1, 否则返回0
 HBitType HBitNone(const HBitType *data);
 
+// 获取比特长度
+HBitLenType HBitGetLen(const HBitType *data);
+
+// 复制比特, 需要两者长度一致, 否则返回0
+uint8_t HBitMemcpy(const HBitType *dst, HBitType *src);
+
+// 比较两个比特是否相等, 需要两者长度一致, 相同返回1, 否则返回0
+uint8_t HBitEqual(const HBitType *a, const HBitType *b);
 
 #endif //__H_BIT__
diff --git a/src/HBit.c b/src/HBit.c
index 8b1463d..633cdfc 100644
--- a/src/HBit.c
+++ b/src/HBit.c
@@ -1,6 +1,7 @@
 
 
 #include <HBit.h>
+#include <string.h>
 
 #ifndef LogD
 #define LogD(...)
@@ -113,3 +114,36 @@ HBitType HBitAll(const HBitType *data) {
 HBitType HBitNone(const HBitType *data) {
     return !HBitAny(data);
 }
+
+HBitLenType HBitGetLen(const HBitType *data) {
+    return GetBitLen(data);
+}
+
+uint8_t HBitMemcpy(const HBitType *dst, HBitType *src) {
+    if (!src || !dst) {
+        return 0;
+    }
+
+    if (GetBitLen(src) != GetBitLen(dst)) {
+        return 0;
+    }
+
+    _HBitBase *srcBase = (_HBitBase *)src;
+    _HBitBase *dstBase = (_HBitBase *)dst;
+    memcpy(dstBase->data, srcBase->data, _HBIT_BYTE_INDEX(srcBase->len) + 1);
+    return 1;
+}
+
+uint8_t HBitEqual(const HBitType *a, const HBitType *b) {
+    if (!a || !b) {
+        return 0;
+    }
+
+    if (GetBitLen(a) != GetBitLen(b)) {
+        return 0;
+    }
+
+    _HBitBase *aBase = (_HBitBase *)a;
+    _HBitBase *bBase = (_HBitBase *)b;
+    return memcmp(aBase->data, bBase->data, _HBIT_BYTE_INDEX(aBase->len) + 1) == 0;
+}