1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <string.h>
4 
5 int
main(void)6 main (void)
7 {
8   char *bp;
9   size_t size;
10   FILE *stream;
11   int lose = 0;
12 
13   stream = open_memstream (&bp, &size);
14   fprintf (stream, "hello");
15   fflush (stream);
16   printf ("buf = %s, size = %Zu\n", bp, size);
17   lose |= size != 5;
18   lose |= strncmp (bp, "hello", size);
19   fprintf (stream, ", world");
20   fclose (stream);
21   printf ("buf = %s, size = %Zu\n", bp, size);
22   lose |= size != 12;
23   lose |= strncmp (bp, "hello, world", 12);
24 
25   puts (lose ? "Test FAILED!" : "Test succeeded.");
26 
27   free (bp);
28 
29   return lose;
30 }
31