my-dir-ls

曾经终败给现在 2022-08-13 19:52 143阅读 0赞

#include <stdio.h>
    #include <string.h>
    #include <stdlib.h>
    #include <dirent.h>
    #include <sys/types.h>
    #include <sys/stat.h>
    #include <unistd.h>
    
    int fun();
    
    int main(int argc, char *argv[])
    {
    	int num;
    	num = fun();
    	printf("total:%d\n", num);
    
    	return 0;
    }
    
    
    int fun(void)
    {
    	DIR *dp;
    	int n, flag = 0; //flag = 1 有目录　０没有目录
    	static int count = 0;
    	char dir_path_buf[1024];
    	struct dirent *rdp;
    	struct stat dbuf;
    	dp = opendir(".");
    	if(dp == NULL){
    		perror("opendir error");
    		exit(1);
    	}
    
    	while( (rdp = readdir(dp)) != NULL){
    		if(strcmp(rdp->d_name, ".") == 0 || strcmp(rdp->d_name, "..") == 0){
    			continue;	
    		}	
    		n = stat(rdp->d_name, &dbuf);
    		if(n == -1){
    			perror("stat error:\n");
    			exit(1);
    		}
    		if(dbuf.st_mode & S_IFDIR){
    			printf("dir:%s\n", rdp->d_name);
    			sprintf(dir_path_buf, "./%s", rdp->d_name);
    //			printf("%s\n", dir_path_buf);
    			chdir(dir_path_buf);
    			flag = 1;
    //			printf("dir:%s", rdp->d_name);
    			fun();
    			if(flag == 1 ){
    				chdir("..");
    			}
    			
    		}else{
    			printf("%s\n", rdp->d_name);
    			count++;
    		}
    	}
    //	printf("t:%d\n", count);
    	return count;
    }

my-dir-ls

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