add

Author: ims0

README.md

@@ -1,7 +1,3 @@
 this repo contains many project for easy manage small project
 generally, those projects used to learn new language
 
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-
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-https://github.com/testerSunshine/12306

bit_type_handle/bit_assign

@@ -0,0 +1,41 @@
+## 安装pvtrace和Graphviz
+1. 安装pvtrace
+
+$ mkdir -p ~/project1 && cd ~/project1
+$ wget http://www.mtjones.com/developerworks/pvtrace.zip
+$ unzip pvtrace.zip -d pvtrace
+$ cd pvtrace
+$ make
+$ sudo make install
+# 查看pvtrace相关文件
+$ ls -1 pvtrace
+instrument.c
+Makefile
+stack.c
+stack.h
+symbols.c
+symbols.h
+trace.c
+2. 安装graphviz
+
+$ sudo yum install graphviz
+
+
+## 测试
+
+1. 编辑测试文件test.c
+
+2. 编译测试程序
+
+$ gcc -g -finstrument-functions test.c ./pvtrace/instrument.c -o test
+注意： 必须有`-g -finstrument-functions`选项，否则后续就采集不到信息了。
+3. 执行程序，生成信息文件trace.txt
+
+$ ./test
+4. 通过pvtrace、可执行文件及trace.txt，生成信息文件graph.dot
+
+$ pvtrace test
+5. 通过dot工具将graph.dot，转为图像文件graph.png
+
+$ dot -Tpng graph.dot -o graph.png
+6. 浏览生成的图片

bit_type_handle/bit_assign.c

@@ -47,3 +47,15 @@ sudo ldconfig # refresh shared library cache.
 
 this option should loacl behind of `-lprotobuf`, like this `-lprotobuf -lpthread`
 otherwise, protobufObj.PrintDebugString() will cause coredump;
+
+
+2. can not find lib of protobuf ?
+
+result:
+`sudo vi /etc/ld.so.conf`
+
+add this line:`/usr/local/protobuf/lib` to ld.so.conf
+it mean add path of proto to ldconfig
+and then run command
+
+`sudo ldconfig`

bit_type_handle/build.sh

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+fakeApp/project/build
+fakeApp/project/output
+linux/project/build
+linux/project/output
+lows/project/build
+lows/project/output