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/*
*/
#include <mailutils/mailutils.h>
#include <mailutils/sys/stream.h>
#include <mailutils/sys/temp_stream.h>
#define MAXMEM 32
extern int mu_temp_stream_create (mu_stream_t *pstream, size_t max_size);
static void
verify (mu_stream_t str, int len)
{
char buf[2*MAXMEM];
int i;
MU_ASSERT (mu_stream_seek (str, 0, MU_SEEK_SET, NULL));
MU_ASSERT (mu_stream_read (str, buf, len, NULL));
for (i = 0; i < len; i++)
{
if (buf[i] != i)
{
mu_error ("bad octet %d: %d", i, buf[i]);
exit (1);
}
}
}
static int
is_file_backed_stream (mu_stream_t str)
{
int state;
return mu_stream_ioctl (str, MU_IOCTL_FD, MU_IOCTL_FD_GET_BORROW, &state)
== 0;
}
int
main (int argc, char **argv)
{
mu_stream_t str;
char i;
MU_ASSERT (mu_temp_stream_create (&str, MAXMEM));
for (i = 0; i < MAXMEM; i++)
{
MU_ASSERT (mu_stream_write (str, &i, 1, NULL));
}
verify (str, MAXMEM);
if (is_file_backed_stream (str))
{
mu_error ("stream switched to file backend too early");
return 1;
}
MU_ASSERT (mu_stream_write (str, &i, 1, NULL));
++i;
if (!is_file_backed_stream (str))
{
mu_error ("stream failed to switch to file backend");
return 1;
}
for (; i < 2*MAXMEM; i++)
{
MU_ASSERT (mu_stream_write (str, &i, 1, NULL));
}
verify (str, 2*MAXMEM);
mu_stream_destroy (&str);
return 0;
}
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