C语言库函数实现删除文件夹
时间: 2023-04-05 09:03:42 浏览: 382
可以使用remove函数来删除文件夹,但是需要先删除文件夹内的所有文件和子文件夹。可以使用递归的方式来实现删除文件夹内的所有文件和子文件夹。具体实现可以参考以下代码:
```
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
#include <sys/stat.h>
int remove_dir(const char *path) {
DIR *dir;
struct dirent *entry;
char child_path[512];
int ret = 0;
dir = opendir(path);
if (!dir) {
perror("opendir");
return -1;
}
while ((entry = readdir(dir)) != NULL) {
if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) {
continue;
}
snprintf(child_path, sizeof(child_path), "%s/%s", path, entry->d_name);
if (entry->d_type == DT_DIR) {
if (remove_dir(child_path) == -1) {
ret = -1;
break;
}
} else {
if (remove(child_path) == -1) {
ret = -1;
break;
}
}
}
closedir(dir);
if (ret == 0) {
if (rmdir(path) == -1) {
perror("rmdir");
ret = -1;
}
}
return ret;
}
int main(int argc, char *argv[]) {
if (argc != 2) {
fprintf(stderr, "Usage: %s <dir>\n", argv[0]);
exit(EXIT_FAILURE);
}
if (remove_dir(argv[1]) == -1) {
fprintf(stderr, "Failed to remove directory %s\n", argv[1]);
exit(EXIT_FAILURE);
}
printf("Directory %s removed successfully\n", argv[1]);
return 0;
}
```