删除指定目录下所有文件
代码样例：
/////////////////////////////////////////////////////
//Name: DeleteFile
//Purpose: Delete file in the special directory
//Author: xxxxxxxx
//Created: 2011-12-01
//Copy right:
//Licence:
////////////////////////////////////////////////////// #ifndef _DELETE_FILE
#define _DELETE_FILE
#include <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
#include <dirent.h>
#include <limits.h>
#include <string.h>
#include <stdio.h>
#include <limits.h> //判断是否为目录
bool is_dir(const char *path)
{
struct stat statbuf;
if(lstat(path, &statbuf) ==)//lstat返回文件的信息，文件信息存放在stat结构中
{
return S_ISDIR(statbuf.st_mode) != ;//S_ISDIR宏，判断文件类型是否为目录
}
return false;
} //判断是否为常规文件
bool is_file(const char *path)
{
struct stat statbuf;
if(lstat(path, &statbuf) ==)
return S_ISREG(statbuf.st_mode) != ;//判断文件是否为常规文件
return false;
} //判断是否是特殊目录
bool is_special_dir(const char *path)
{
return strcmp(path, ".") == || strcmp(path, "..") == ;
} //生成完整的文件路径
void get_file_path(const char *path, const char *file_name, char *file_path)
{
strcpy(file_path, path);
if(file_path[strlen(path) - ] != '/')
strcat(file_path, "/");
strcat(file_path, file_name);
} void delete_file(const char *path)
{
DIR *dir;
dirent *dir_info;
char file_path[PATH_MAX];
if(is_file(path))
{
remove(path);
return;
}
if(is_dir(path))
{
if((dir = opendir(path)) == NULL)
return;
while((dir_info = readdir(dir)) != NULL)
{
get_file_path(path, dir_info->d_name, file_path);
if(is_special_dir(dir_info->d_name))
continue;
delete_file(file_path);
rmdir(file_path);
}
}
}
int main(int argc, char **argv)
{
delete_file("/Users/jiangtengfei/WorkSpace/test_code/tmp/asd");
return ;
}
#endif