问在C中移动目录

EN

void move_file(const char *name, const char *new_name) {
    size_t len = 0;
    char *buffer;
    long lSize;

    FILE *source = fopen(name, "r");
    FILE *target = fopen(new_name, "w");    

    if (source == NULL || target == NULL) {
        fprintf(stderr, "Error occurred when opening files\n");
        exit(1);
    }

    fseek(source, 0, SEEK_END);
    lSize = ftell(source);
    rewind(source);

    buffer = (char*)malloc(sizeof(char) * lSize);

    result = fread(buffer, 1, lSize, source);

    if (result != lSize) {
        fprintf(stderr, "Reading error\n");
        exit(2);
    }

    fwrite(buffer, 1, sizeof(buffer), target);

    fclose(source);
    fclose(target);

    if (!remove(source)) {
        fprintf(stderr, "Error deleting file\n");
    }
}

void move_directory(const char *target, const char *destination) {
    DIR *dir = opendir(target);

    if (dir) {
        char Path[256];
        char *EndPtr = Path;
        struct dirent *e;
        strcpy(Path, target);
        EndPtr += strlen(target);

        while ((e = readdir(dir)) != NULL) {
            struct stat info;
            strcpy(EndPtr, e->d_name);

            if (!strcmp(e->d_name, ".") || !strcmp(e->d_name, "..")) {
                continue;
            }

            if (!stat(Path, &info)) {
                if (S_ISDIR(info.st_mode)) {
                    move_directory(Path);
                } else
                if (S_ISREG(info.st_mode)) {
                    move_file(e->d_name, e->d_name);
                }
            }
        }
    }
}