From 7977b4624657a6dda563473f3c0297cb5dd6c067 Mon Sep 17 00:00:00 2001
From: AceVest <zhaoyanbai@126.com>
Date: Wed, 9 Dec 2015 17:33:57 +0800
Subject: [PATCH] ...

---
 learn/doc/mac_bash_profile |   1 +
 lib/RingBuffer.cpp         | 184 -------------------------------------
 2 files changed, 1 insertion(+), 184 deletions(-)
 delete mode 100644 lib/RingBuffer.cpp

diff --git a/learn/doc/mac_bash_profile b/learn/doc/mac_bash_profile
index 3d234dd..2df7001 100644
--- a/learn/doc/mac_bash_profile
+++ b/learn/doc/mac_bash_profile
@@ -14,4 +14,5 @@ export PS1="\W\$ "
 alias ll='ls -lGh'
 alias ls='ls -Gh'
 alias rm='rm -rf'
+alias grep='grep --color'
 alias msf='msfconsole'
diff --git a/lib/RingBuffer.cpp b/lib/RingBuffer.cpp
deleted file mode 100644
index ac000d0..0000000
--- a/lib/RingBuffer.cpp
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * ------------------------------------------------------------------------
- *   File Name: RingBuffer.cpp
- *              Thu Jun 18 16:13:49 2015
- * Description: none
- * ------------------------------------------------------------------------
- */
-
-#include <cstdlib>
-#include <string.h>
-
-class RingBuffer
-{
-public:
-    RingBuffer(): buffer_(NULL), in_(0), out_(0), size_(0) {}
-    ~RingBuffer() {}
-
-public:
-    // Init - 初始化缓冲区
-    // @buffer: 已经申请的用作缓冲区的内存指针
-    // @size: 缓冲区的大小, 必须是2的整数次幂
-    //
-    // 通过@buffer传入的内存, 可以是通过Alloc申请的, 也可以是外部自行分配的
-    // 后者需要自行释放内存, 不适合通过Free释放
-    int Init(unsigned char *buffer, unsigned int size)
-    {
-        if (!is_power_of_two(size))
-            return -1;
-
-        buffer_ = buffer;
-        size_ = size;
-        in_ = out_ = 0;
-
-        return 0;
-    }
-    
-    // Alloc - 在堆上申请指定大小的缓冲区内存并初始化
-    // @size: 缓冲区大小, 会向上调整到2的整数次幂
-    //
-    // 通过Alloc申请的内存需要通过Free进行释放, 即Alloc和Free要配对使用
-    int Alloc(unsigned int size)
-    {
-        unsigned char *buffer;
-        int ret;
-
-        if (!is_power_of_two(size))
-            size = roundup_power_of_two(size);
-
-        buffer = new unsigned char[size];
-        if (!buffer)
-            return -1;
-
-        ret = Init(buffer, size);
-        if (ret != 0)
-            delete[] buffer;
-
-        return 0;
-    }
-
-    // Put - 向缓冲区拷贝指定长度的数据
-    // @buffer: 拷贝到缓冲区的数据
-    // @len: 数据长度
-    //
-    // 从@buffer向缓冲区拷贝至多@len字节的数据, 具体拷贝长度依赖缓冲区的
-    // 剩余空间大小, 实际拷贝长度通过返回值返回
-    unsigned int Put(const unsigned char *buffer, unsigned int len)
-    {
-        unsigned int l;
-
-        len = min(len, size_ - Len());
-
-        // 从buffer_的in_位置开始写入数据, 直到buffer_的结尾位置
-        l = min(len, size_ - (in_ & (size_ - 1)));
-        memcpy(buffer_ + (in_ & (size_ - 1)), buffer, l);
-
-        // 把剩余数据从buffer_的起始位置开始写入, 直到完成len字节写入
-        memcpy(buffer_, buffer + l, len - l);
-
-        in_ += len;
-
-        return len;
-    }
-
-    // Get - 从缓冲区中取出指定长度的数据
-    // @buffer: 取出数据的拷贝内存
-    // @len: 拷贝内存的长度
-    //
-    // 向@buffer拷贝至多@len字节的数据, 实际拷贝长度通过返回值返回
-    unsigned int Get(unsigned char *buffer, unsigned int len)
-    {
-        unsigned int l;
-
-        len = min(len, Len());
-
-        // 从buffer_的out_位置开始读出数据, 直到buffer_的结束位置
-        l = min(len, size_ - (out_ & (size_ - 1)));
-        memcpy(buffer, buffer_ + (out_ & (size_ - 1)), l);
-
-        // 然后从buffer_的起始位置开始读出, 直到完成len字节读出
-        memcpy(buffer + l, buffer_, len - l);
-
-        out_ += len;
-
-        return len;
-    }
-    
-    // Len - 返回缓冲区的数据长度
-    unsigned int Len()
-    {
-        return in_ - out_;
-    }
-
-    // Reset - 重置缓冲区, 即清空缓冲区数据
-    void Reset()
-    {
-        in_ = out_ = 0;
-    }
-
-    // Free - 释放缓冲区内存
-    // 释放通过Alloc申请的缓冲区内存, 和Alloc配对使用
-    void Free()
-    {
-        if (buffer_)
-        {
-            delete[] buffer_;
-            buffer_ = NULL;
-        }
-    }
-
-private:
-    template <typename T>
-    T min(T a, T b)
-    {
-        return a > b ? b : a;
-    }
-
-    bool is_power_of_two(unsigned int n)
-    {
-        return (n != 0 && ((n & (n - 1)) == 0));
-    }
-
-    unsigned int roundup_power_of_two(unsigned int n)
-    {
-        unsigned int fls = __builtin_clz(n);
-        return 1 << (sizeof(n) * 8 - fls);
-    }
-
-private:
-    unsigned char   *buffer_;    // 缓冲区指针
-    unsigned int    in_;         // 写指针
-    unsigned int    out_;        // 读指针
-    unsigned int    size_;       // 缓冲区大小
-};
-
-int main()
-{
-    RingBuffer rb;
-    rb.Alloc(7);
-
-    unsigned char str[128] = {0};
-    int n;
-
-    str[0] = 'a';
-    n = rb.Put(str, 1);
-
-    str[1] = 'b';
-    n = rb.Put(str, 2);
-
-    str[2] = 'c';
-    n = rb.Put(str, 3);
-
-    str[3] = 'd';
-    n = rb.Put(str, 4);
-
-    str[4] = 'e';
-    n = rb.Put(str, 5);
-
-    n = rb.Get(str, 2);
-    n = rb.Get(str, 1);
-
-    rb.Free();
-
-    return 0;
-}
-- 
2.44.0