c语言实现cd的程序（还不能cd进入其他盘）

最新推荐文章于 2021-05-20 23:21:23 发布

转载最新推荐文章于 2021-05-20 23:21:23 发布 · 4.7k 阅读

文章标签：

#cd #c语言

本文介绍了一个使用C语言编写的简易命令行文件浏览器的实现过程。该程序能够获取当前可执行文件的路径，并允许用户通过命令行输入进行目录切换。它支持基本的cd..和cd 等命令来改变工作目录，并检查目标目录是否存在。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

#include <Windows.h>
#include <stdio.h>
void main()
{
char dirPath[MAX_PATH] = "";
char cmdln1[256] = "";
char cmdln2[256] = "";
char *p, *q;
HANDLE hFile = INVALID_HANDLE_VALUE;
GetModuleFileName(NULL, dirPath, MAX_PATH);
p = dirPath;
while((p = strpbrk(p, "\\")) != NULL)
{
q = p;
p++;
}
*q = '\0';
strcat(dirPath, ">");
printf("%s", dirPath);
while(1)
{
scanf("%s", cmdln1);
if (strcmp(cmdln1, "cd..") == 0)
{
p = dirPath;
while((p = strpbrk(p, "\\")) != NULL)
{
q = p;
p++;
}
*q = '\0';
strcat(dirPath, ">");
printf("%s", dirPath);
}else{
scanf("%s", cmdln2);
if (strcmp(cmdln2, "\\") == 0)
{
p = strpbrk(dirPath, "\\");
*(p+1) = '\0';
strcat(dirPath, ">");
printf("%s", dirPath);
}else{
p = dirPath;
while(*p != '\0')
p++;
p--;
if (*(p - 1) != '\\')
{
*p = '\\';
}else{
*p = '\0';
}
strcat(dirPath, cmdln2);
hFile = CreateFile(dirPath, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
if (hFile != INVALID_HANDLE_VALUE)
{
CloseHandle(hFile);
strcat(dirPath, ">");
printf("%s", dirPath);
}else{
printf("no this directery!\n");
*p = '\0';
strcat(dirPath, ">");
printf("%s", dirPath);
}
}
}
}
}