C循环读指定路径下的文件

╰半夏微凉° 2022-11-26 08:45 128阅读 0赞

/******************************************************************************
    * function : traverse folder 
      basePath：base dir name
    ******************************************************************************/
    static int readdir(char *basePath,char* imglist[])
    {
        
        DIR *dir;
        struct dirent *ptr;
        char base[1000];
        char suffix[10];
    
        // char* imglist[MAX_NUM]={0};
        
        
    
        if ((dir=opendir(basePath)) == NULL)
        {
            perror("Open dir error...");
            exit(1);
           
        }
    
        while ((ptr=readdir(dir)) != NULL)
        {
            if(strcmp(ptr->d_name,".")==0 || strcmp(ptr->d_name,"..")==0)    ///current dir OR parrent dir
                continue;
            else if(ptr->d_type == 8)    ///file
    
            {
                printf("d_name:%s/%s\n",basePath,ptr->d_name);
                memset(suffix,'\0',sizeof(suffix));
                int str_len=strlen(ptr->d_name);
                strncpy(suffix, ptr->d_name+str_len-3, 3);
    
    
                // printf(" Load bgr data success! %s \n",suffix);
                if (strcmp(suffix,"bgr")==0)
                {
                    printf(" Load bgr data success! %s \n",ptr->d_name);
    
                
                    *(imglist++)=ptr->d_name;
                
                }
                
        
            }
                
            else if(ptr->d_type == 10)    ///link file
                printf("d_name:%s/%s\n",basePath,ptr->d_name);
            else if(ptr->d_type == 4)    ///dir
            {
    
                memset(base,'\0',sizeof(base));
                strcpy(base,basePath);
                strcat(base,"/");
                strcat(base,ptr->d_name);
                readFileList(base,imglist);
            }
        }
        closedir(dir);
        return 1;
    }