纯C，拿取文件夹的所有文件，并套出列表

//构造体

typedef struct FilesArrayStruct {
    char** fileArray;
    int arraySize;
} FilesArrayStruct_t;

 

//函数

FilesArrayStruct_t getFilesArray(const char *dirName)
{
    FilesArrayStruct_t FilesArrayStruct_p;
    FilesArrayStruct_p.arraySize=0;
    DIR *dirp;
    struct dirent *dp;
    dirp = opendir(dirName);
    while ((dp = readdir(dirp)) != NULL) {
        if(strcmp(dp->d_name,"..")==0)continue;
        if(strcmp(dp->d_name,".")==0)continue;
        FilesArrayStruct_p.arraySize++;
    }
    (void) closedir(dirp);

    if (FilesArrayStruct_p.arraySize > 0)
    {
        FilesArrayStruct_p.fileArray=(char**)malloc(sizeof(char*)*FilesArrayStruct_p.arraySize) ;
        for(int i=0; i<FilesArrayStruct_p.arraySize; i++)
            FilesArrayStruct_p.fileArray[i]=(char*)malloc(256);
    }
    int i=0;
    dirp = opendir(dirName);
    while ((dp = readdir(dirp)) != NULL) {
        if(strcmp(dp->d_name,"..")==0)continue;
        if(strcmp(dp->d_name,".")==0)continue;
        FilesArrayStruct_p.fileArray[i]=(char*)malloc(strlen(dp->d_name)+1) ;
        FilesArrayStruct_p.fileArray[i]=dp->d_name;
        i++;
    }
    (void) closedir(dirp);

    return FilesArrayStruct_p;
}

 

//测试

int test6()
{

    FilesArrayStruct_t FilesArrayStruct_p= getFilesArray("/home/test/CWork/Json");
    for(int i=0;i<FilesArrayStruct_p.arraySize;i++)
    {
        printf("FilesArrayStruct_p.fileArray[%d]:%s\n",i,FilesArrayStruct_p.fileArray[i]);
    }
    return 0;
}