#include "HashFile.h"
#define RECORDLEN 32
struct jtRecord {
    int key;
    char other[RECORDLEN - sizeof(int)];
};
#define KEYOFFSET 0
#define KEYLEN sizeof(int)
#define FILENAME "jing.hash"

void showHashFile() {
    int fd = open(FILENAME, O_RDWR);
    lseek(fd, sizeof(struct HashFileHeader), SEEK_SET);
    struct jtRecord jt;
    struct CFTag tag;
    while (1) {
        if (read(fd, &tag, sizeof(struct CFTag)) <= 0) break;
        printf("Tag is <%d,%d>\t", tag.collision, tag.free);
        if (read(fd, &jt, sizeof(struct jtRecord)) <= 0) break;
        printf("Record is {%d,%s}\n", jt.key, jt.other);
    }
    close(fd);
}

int main() {
    struct jtRecord rec[6] = {
        {1,"jing"},{2,"wang"},{3,"li"},{4,"zhang"},{5,"qing"},{6,"yuan"}
    };
    int fd = hashfile_creat(FILENAME, O_RDWR | O_CREAT, RECORDLEN, 6);
    fd = hashfile_open(FILENAME, O_RDWR, 0);
    for (int i = 0; i < 6; i++)
        hashfile_saverec(fd, KEYOFFSET, KEYLEN, &rec[i]);
    hashfile_close(fd);
    showHashFile();
    return 0;
}