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libipc-old
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libipc-old/drop/readmsg.c

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#include "../lib/pubsubd.h"
#include <cbor.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define PKT_CLOSE 0
#define PKT_MSG 1
#define PKT_ERROR 2
void usage (char **argv) {
printf ("usage: echo something | msg | %s\n", argv[0]);
}
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int32_t main(int32_t argc, char * argv[])
{
if (argc == 2 && strcmp ("-h", argv[1]) == 0) {
usage (argv);
exit (1);
}
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// read the message from the client
size_t mlen = 0;
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uint8_t buf[BUFSIZ];
mlen = read (0, buf, BUFSIZ);
/* Assuming `buffer` contains `info.st_size` bytes of input data */
struct cbor_load_result result;
cbor_item_t * item = cbor_load (buf, mlen, &result);
/* Pretty-print the result */
cbor_describe(item, stdout);
fflush(stdout);
struct cbor_pair * pair = cbor_map_handle (item);
cbor_mutable_data *data = cbor_bytestring_handle (pair->value);
size_t datalen = cbor_bytestring_length (pair->value);
char *bstr = malloc (datalen +1);
memset (bstr, 0, datalen +1);
memcpy (bstr, data, datalen);
printf ("msg data (%ld bytes): %s\n", datalen, bstr);
/* Deallocate the result */
cbor_decref (&item);
free (bstr);
return EXIT_SUCCESS;
}