linux c 删除文件夹

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
#include <sys/stat.h>
#include <unistd.h>

// 递归删除文件夹及其内容
int remove_folder(const char *path) {
    DIR *dir;
    struct dirent *entry;
    struct stat statbuf;

    if (!(dir = opendir(path))) {
        perror("opendir");
        return -1;
    }

    while ((entry = readdir(dir)) != NULL) {
        char fullpath[1024];
        if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
            continue;

        snprintf(fullpath, sizeof(fullpath), "%s/%s", path, entry->d_name);

        if (lstat(fullpath, &statbuf) == -1) {
            perror("lstat");
            closedir(dir);
            return -1;
        }

        if (S_ISDIR(statbuf.st_mode)) {
            if (remove_folder(fullpath) == -1) {
                closedir(dir);
                return -1;
            }
        } else {
            if (unlink(fullpath) == -1) {
                perror("unlink");
                closedir(dir);
                return -1;
            }
        }
    }

    closedir(dir);
    if (rmdir(path) == -1) {
        perror("rmdir");
        return -1;
    }

    return 0;
}

int main(int argc, char *argv[]) {
    if (argc != 2) {
        printf("Usage: %s <directory>
", argv[0]);
        return 1;
    }

    if (remove_folder(argv[1]) == 0) {
        printf("Directory %s removed successfully.
", argv[1]);
    } else {
        printf("Failed to remove directory %s.
", argv[1]);
    }

    return 0;
}