Add file system

Author: xiangzhai

fs/SConstruct

@@ -0,0 +1,3 @@
+env = Environment(CCFLAGS='-g')
+
+env.Program('about_stat.cpp')

fs/about_stat.cpp

@@ -0,0 +1,28 @@
+#include <iostream>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+void AboutStat(const char* FilePath) 
+{
+    struct stat Buf;
+
+    if (stat(FilePath, &Buf) != 0) 
+    {
+        std::cout << "fail to stat " << FilePath << std::endl;
+        std::cout << strerror(errno) << std::endl;
+        return;
+    }
+
+    std::cout << "file: " << FilePath << std::endl;
+    std::cout << "inode: " << Buf.st_ino << std::endl;
+}
+
+int main(int argc, char* argv[]) 
+{
+    AboutStat(argv[1] ? argv[1] : __FILE__);
+
+    return 0;
+}

palindrome/find_word.cpp

@@ -117,6 +117,9 @@ void solution(std::string str, std::vector<std::string> WordList)
 
         if (FindPos != std::string::npos) 
         {
+            //if (PosLengthMap.find(FindPos) != PosLengthMap.end()) 
+            //    continue;
+            
             if (isInRange(PosLengthMap, FindPos, WordList[i].size())) 
                 continue;
             PosLengthMap[FindPos] = WordList[i].size();