tests/test-blob-buflen.c

   1 #include <stdio.h>
   2
   3 #include "blobmsg.h"
   4
   5 /* chunks of 64KB to be added to blob-buffer */
   6 #define BUFF_SIZE       0x10000
   7 /* exceed maximum blob buff-length */
   8 #define BUFF_CHUNKS     (((BLOB_ATTR_LEN_MASK + 1) / BUFF_SIZE) + 1)
   9
  10 int main(int argc, char **argv)
  11 {
  12         int i;
  13         static struct blob_buf buf;
  14         blobmsg_buf_init(&buf);
  15         int prev_len = buf.buflen;
  16
  17         for (i = 0; i < BUFF_CHUNKS; i++) {
  18                 struct blob_attr *attr = blob_new(&buf, 0, BUFF_SIZE);
  19                 if (!attr) {
  20                         fprintf(stderr, "SUCCESS: failed to allocate attribute\n");
  21                         break;
  22                 }
  23                 if (prev_len < buf.buflen) {
  24                         prev_len = buf.buflen;
  25                         continue;
  26                 }
  27                 fprintf(stderr, "ERROR: buffer length did not increase\n");
  28                 return -1;
  29         }
  30         return 0;
  31 }