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#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include "include/mdb.h"
uint8_t *readdb(char *filename)
{
FILE *fp = fopen(filename, "rb");
if (fp == NULL)
return NULL;
int len = 10;
uint8_t *buf = calloc(len, sizeof(uint8_t));
int c, i = 0;
while ((c = fgetc(fp)) != EOF) {
if (i >= len) {
len *= 2;
buf = realloc(buf, len * sizeof(uint8_t));
memset(buf + i, 0, (len - i) * sizeof(uint8_t));
}
buf[i++] = c;
}
fclose(fp);
return buf;
}
void writedb(char *filename, struct keytablist *list, int len)
{
FILE *fp = fopen(filename, "wb");
for (int i = 0; i < len; ++i) {
fprintf(fp, "\xfb");
int *indexes = getkeys(list, i);
for (int j = 0; indexes[j]; ++j) {
fprintf(fp, "\xfa%s:", list[i].tab[indexes[j]].key);
switch (list[i].tab[indexes[j]].flag) {
case 1:
fprintf(fp, "%.2lf", list[i].tab[indexes[j]].v.num);
break;
case 2:
fprintf(fp, "%s", list[i].tab[indexes[j]].v.b == 1 ? "true" : "false");
break;
case 3:
fprintf(fp, "%s", list[i].tab[indexes[j]].v.str);
break;
}
}
free(indexes);
fprintf(fp, "\xfe");
}
}
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