linux c 拷贝文件夹

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

void copy_file(const char *src, const char *dest) {
    FILE *source = fopen(src, "rb");
    FILE *destination = fopen(dest, "wb");
    if (!source || !destination) {
        perror("Failed to open file");
        return;
    }
    char buffer[1024];
    size_t bytes_read;
    while ((bytes_read = fread(buffer, 1, sizeof(buffer), source)) > 0) {
        fwrite(buffer, 1, bytes_read, destination);
    }
    fclose(source);
    fclose(destination);
}

void copy_directory(const char *src, const char *dest) {
    DIR *dir = opendir(src);
    if (!dir) {
        perror("Failed to open directory");
        return;
    }
    struct dirent *entry;
    while ((entry = readdir(dir)) != NULL) {
        if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) continue;
        char src_path[1024], dest_path[1024];
        snprintf(src_path, sizeof(src_path), "%s/%s", src, entry->d_name);
        snprintf(dest_path, sizeof(dest_path), "%s/%s", dest, entry->d_name);
        struct stat statbuf;
        if (stat(src_path, &statbuf) == -1) {
            perror("Failed to get file status");
            continue;
        }
        if (S_ISDIR(statbuf.st_mode)) {
            mkdir(dest_path, statbuf.st_mode);
            copy_directory(src_path, dest_path);
        } else if (S_ISREG(statbuf.st_mode)) {
            copy_file(src_path, dest_path);
        }
    }
    closedir(dir);
}

int main(int argc, char *argv[]) {
    if (argc != 3) {
        fprintf(stderr, "Usage: %s <source_directory> <destination_directory>\n", argv[0]);
        return 1;
    }
    copy_directory(argv[1], argv[2]);
    return 0;
}