mdir.c

来自「深圳英培特EduKit-III实验箱实验程序。一共有10多个」· C语言 代码 · 共 114 行

/*********************************************************************
* File：		mdir.c
* Author：	Embest	J.Zhao	2005.2.21
* Desc：		directory operation
* History：	
*********************************************************************/
#include <unistd.h>
#include <fcntl.h>
#include <dirent.h>
#include <sys/types.h>
#include <sys/stat.h>

DIR *f_pDir;							/* DIR pointer */
struct dirent *f_pDirent;				/* declare a DIRENT opinter*/
char f_szcBuf[100];					/* DIR buf */

void getpwd(void)
{
  /* get the current directory */
  
	if(getcwd(f_szcBuf, sizeof(f_szcBuf)) == NULL)
	{
		printf("getcwd error.\n");
		exit(0);
	}
	else
		printf("pwd = %s\n", f_szcBuf);
}

void showdir(void)
{
  /* display the current directory */
  
	/* open dir file */
	if((f_pDir = opendir(f_szcBuf)) == NULL)
	{
		printf("open dir error.\n");
		exit(0);
	}
  
	/* read dir file */
printf("[ "];
  	f_pDirent = readdir(f_pDir);
	while(f_pDirent != NULL)
	{
		printf("%s  ", f_pDirent->d_name);
		f_pDirent = readdir(f_pDir);
	}
	printf(")\n");
  
  /* close dir file */
	closedir(f_pDir);
}

int main(void)
{
	char *pPath = "dir1";
	
	/* display current directory */
	getpwd();

	/* display func */
	showdir();

	/* creat dir */
	if(mkdir(pPath, 0777) == -1)
	{
		printf("mkdir %s error\n", pPath);
		exit(0);
	}
	else
	{
		printf("mkdir %s success\n", pPath);
		showdir();
	}
	
	/* change current dir */
	if(chdir("dir1") == -1)
	{
		printf("chdir error\n");
		exit(0);
	}
	else
	{
		printf("chdir success\n");
		getpwd();
		showdir();
	}
	
	/* delete dir */
	/* back to the top dir */
	if(chdir("..") == -1)
	{
		printf("chdir error\n");
		exit(0);
	}
	else
	{		
		if(rmdir(pPath) == -1)
		{
			printf("rmdir %s error\n", pPath);
			exit(0);
		}
		else
		{
			printf("rmdir %s success\n", pPath);
			getpwd();
			showdir();
		}
	}
	
	return 0;
}