C 讀取任務目錄檔案名稱

getFileList.c

/*****************************************************************
Name : ReadFiles path
Date : 2017/05/22
By   : CharlotteHonG
Final: 2021/04/20

作者：https://charlottehong.blogspot.com/2017/07/c-c.html
*****************************************************************/
#include <stdio.h>
#include <string.h>
#include <io.h>

#define __FILENAME__ strrchr("\\" __FILE__, '\\') + 1
#define POINT_IS_NULL(msg) \
    printf("%s \t\t # %s::%d --> \"%s()\" \n" , \
        (msg) , __FILENAME__, __LINE__, __FUNCTION__)

#ifndef __cplusplus
#define nullptr NULL
#define or ||
#define and &&
#define OR ||
#define AND &&
#endif // !__cplusplus

//====================================================================================
typedef struct ListNode ListNode;
struct ListNode{
    char* data;
    ListNode* next;
};
void List_basic_ctor(ListNode* _this, const char* s){
    if (!_this) { POINT_IS_NULL("point is NULL"); return; }

    char* buff = nullptr;
    if(s){
        buff = (char*)malloc(sizeof(char)*strlen(s)+1);
        strcpy(buff, s);
    }
    _this->data = buff;
    _this->next = nullptr;
}
void List_basic_dtor(ListNode* _this){
    if (!_this) { POINT_IS_NULL("point is NULL"); return; }

    if(_this->data) free(_this->data);
    _this->data = nullptr;
    _this->next = nullptr;
}
ListNode* List_basic_new(const char* s){
    ListNode* _this = (ListNode*)malloc(sizeof(ListNode));
    List_basic_ctor(_this, s);
    return _this;
}
void List_basic_delete(ListNode* _this){
    if (!_this) { POINT_IS_NULL("point is NULL"); return; }

    List_basic_dtor(_this);
    free(_this);
}
//------------------------------------------------------------------
void List_basic_append(ListNode* _this, const char* s) {
    if (!_this) { POINT_IS_NULL("point is NULL"); return; }

    int buff_len = strlen(s) + strlen(_this->data);
    char* buff = (char*)malloc(sizeof(char)*buff_len + 1);
    strcpy(buff, _this->data);
    strcat(buff, s);

    if(_this->data) free(_this->data);
    _this->data = buff;
}
//====================================================================================
typedef struct List List;
struct List{
    ListNode* listHead;
    ListNode* listEnd;
    int ListNum;
};
void List_ctor(List* _this){
    if (!_this) { POINT_IS_NULL("point is NULL"); return; }

    _this->listHead = List_basic_new(nullptr);
    _this->listEnd = _this->listHead;
    _this->ListNum = 0;
}
void List_dtor(List* _this){
    if (!_this) { POINT_IS_NULL("point is NULL"); }

    if(_this->listHead){
        // 釋放鏈結資源
        ListNode* node = nullptr;
        for(ListNode* l=_this->listHead->next; l; l=l->next){
            if(node)
                List_basic_delete(node);
            node=l;
        } List_basic_delete(node);
        List_basic_delete(_this->listHead);
    }

    // 釋放本地資源
    _this->listHead = nullptr;
    _this->listEnd = nullptr;
    _this->ListNum = 0;
}
List* List_new(){
    List* _this = (List*)malloc(sizeof(List));
    List_ctor(_this);
    return _this;
}
void List_delete(List* _this){
    if (!_this) { POINT_IS_NULL("point is NULL"); return;}

    List_dtor(_this);
    free(_this);
}
//------------------------------------------------------------------
void List_print(List* _this){
    if (!_this) { POINT_IS_NULL("point is NULL"); return; }

    for(ListNode* l=_this->listHead->next; l; l=l->next){
        printf("%s\n", l->data);
    }
}
void List_append(List* _this, const char* s){
    if (!_this) { POINT_IS_NULL("point is NULL"); return; }

    ListNode* new_node = List_basic_new(s);
    _this->listEnd->next = new_node; // 把新點接上
    _this->listEnd = new_node;       // 更新結尾點
    ++_this->ListNum;                // 累計計數
}
void List_strSlice(List* _this, const char* src, const char* delim){
    if (!_this) { POINT_IS_NULL("point is NULL"); return; }

    char* buff = (char*)malloc(sizeof(char)*strlen(src)+1);
    strcpy(buff, src);

    for(char* pch = strtok(buff, delim); pch; pch = strtok(NULL, delim)){
        List_append(_this, pch);
    }
}
//====================================================================================
// 獲取目錄中的所有特定檔案
void getFileList(List* list, const char* _dirPath, const char* extenName){
    struct _finddata_t file;
    intptr_t hFile;
    // 修正路徑
    char dirPath[256] = {0};
    if (_dirPath[strlen(_dirPath)-1]!='\\')
        sprintf(dirPath, "%s\\", _dirPath);
    else
        sprintf(dirPath, "%s", _dirPath);
    // 檢查路徑是否有效
    char buff[256] = {0};
    sprintf(buff, "%s%s", dirPath, extenName);
    if ((hFile = _findfirst(buff, &file)) == -1)
        perror("path error"), exit(1);
    int i=0;
    // 開始搜索
    do {
        // 避開當前目錄[.]和上一層目錄[..]
        if (!(strcmp(file.name, ".")) || !(strcmp(file.name, "..")))
            continue;
        // 子目錄
        if (file.attrib == _A_SUBDIR) {
            sprintf(buff, "%s%s", dirPath, file.name);
            getFileList(list, buff, extenName);
            // 檔案
        } else {
            sprintf(buff, "%s%s", dirPath, file.name);
            //printf("%s\n", buff);
            List_append(list, buff);
        }
    } while (_findnext(hFile, &file)==0);
}
//====================================================================================
int main(int argc, char const* argv[]) {
    List* list = List_new();
    const char* dirPath="Z:\\a";
    const char* extenName="*.*";
    getFileList(list, dirPath, extenName);
    List_print(list);
    List_delete(list);
	return 0;
}
//====================================================================================