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hirokuma/write2.c

Created Apr 1, 2018
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protobuf-c write 2
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "addressbook.pb-c.h"
int main(int argc, char *argv[])
{
Tutorial__AddressBook addrbook;
uint8_t *buf;
unsigned int len;
tutorial__address_book__init(&addrbook);
addrbook.n_people = 1;
addrbook.people = (Tutorial__Person **)malloc(sizeof(Tutorial__Person*) * addrbook.n_people);
int index = 0;
addrbook.people[index] = (Tutorial__Person *)malloc(sizeof(Tutorial__Person));
tutorial__person__init(addrbook.people[index]);
addrbook.people[index]->id = 1;
addrbook.people[index]->name = "yoshio";
addrbook.people[index]->email = "yoshio@mail.com";
addrbook.n_people++;
addrbook.people = (Tutorial__Person **)realloc(addrbook.people, sizeof(Tutorial__Person*) * addrbook.n_people);
index++;
addrbook.people[index] = (Tutorial__Person *)malloc(sizeof(Tutorial__Person));
tutorial__person__init(addrbook.people[index]);
addrbook.people[index]->id = 1;
addrbook.people[index]->name = "yoshida";
addrbook.people[index]->email = "yoshida@mail.com";
uint8_t pad[128];
ProtobufCBufferSimple simple = PROTOBUF_C_BUFFER_SIMPLE_INIT(pad);
tutorial__address_book__pack_to_buffer(&addrbook, (ProtobufCBuffer *)&simple);
FILE *fp = fopen("addrbook", "wb");
if (fp != NULL) {
fwrite(simple.data, simple.len, 1, fp);
fclose(fp);
}
PROTOBUF_C_BUFFER_SIMPLE_CLEAR(&simple);
for (int lp = 0; lp < addrbook.n_people; lp++) {
free(addrbook.people[lp]);
}
free(addrbook.people);
return 0;
}
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