C++读取文件夹中特定后缀的文件—dirent—vector

[root@localhost 桌面]# g++ temp.cpp -o temp.exe
[root@localhost 桌面]# ./temp.exe
/etc/nginx/html/database/processTemplate/
a
a
2
HeatingRepair.xml
TestNotePad.xml
[root@localhost 桌面]#



temp.cpp

//indent -npro -kr -i8 -ts8 -sob -l280 -ss -ncs -cp1 *.c *.h *.cpp *.hpp
//indent -npro -kr -i8 -ts8 -sob -l280 -ss -ncs -cp1 *

#include <string.h>
#include <iostream>
#include <vector>
#include <string>
#include <dirent.h>
using namespace std;

typedef vector < string > FilesList;
void ls(const string & sDir, FilesList & files, const char *acExtension);

int main()
{
    FilesList files;
    ls("/etc/nginx/html/database/processTemplate/", files, ".xml");

    cout << files.size() << endl;

    for (int i = 0; i < files.size(); i++)    //ztg add
    {
        cout << files[i] << endl;
    }
    return 0;
}

void ls(const string & sDir, FilesList & files, const char *acExtension)
{
    int return_code;
    DIR *dir;
    struct dirent entry;
    struct dirent *res;

    char *sourceDir = new char[sDir.size() + 4];
    strcpy(sourceDir, sDir.c_str());
    //strcat(sourceDir, "\\*");

    cout << sourceDir << endl;

    if ((dir = opendir(sourceDir)) != NULL) {    //open dir
        for (return_code = readdir_r(dir, &entry, &res); res != NULL && return_code == 0; return_code = readdir_r(dir, &entry, &res)) {
            if (entry.d_type != DT_DIR) {    //save to files
                //doc_list.push_back(string(entry.d_name));
                cout << "a" << endl;
                if ((acExtension != NULL)) {

                    string sFile = entry.d_name;

                    int iPos = sFile.find_last_of(".");
                    if ((iPos == string::npos) || (strcmp(acExtension, sFile.substr(iPos).c_str())))
                        continue;
                }

                files.push_back(entry.d_name);
            }
        }
        closedir(dir);    //close dir
    }
}