linux api删除文件夹

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

int main(int argc, char *argv[]) {
    if (argc != 2) {
        fprintf(stderr, "Usage: %s <directory>\n", argv[0]);
        exit(EXIT_FAILURE);
    }

    if (rmdir(argv[1]) == -1) {
        perror("rmdir");
        exit(EXIT_FAILURE);
    }

    printf("Directory '%s' deleted successfully.\n", argv[1]);
    return 0;
}

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

void remove_directory(const char *path) {
    DIR *dir = opendir(path);
    if (dir == NULL) {
        perror("opendir");
        return;
    }

    struct dirent *entry;
    while ((entry = readdir(dir)) != NULL) {
        if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) {
            continue;
        }

        char fullpath[4096];
        snprintf(fullpath, sizeof(fullpath), "%s/%s", path, entry->d_name);

        struct stat st;
        if (lstat(fullpath, &st) == -1) {
            perror("lstat");
            continue;
        }

        if (S_ISDIR(st.st_mode)) {
            remove_directory(fullpath);
        } else {
            unlink(fullpath);
        }
    }

    closedir(dir);
    rmdir(path);
}

int main(int argc, char *argv[]) {
    if (argc != 2) {
        fprintf(stderr, "Usage: %s <directory>\n", argv[0]);
        exit(EXIT_FAILURE);
    }

    remove_directory(argv[1]);
    printf("Directory '%s' deleted successfully.\n", argv[1]);
    return 0;
}