#include <vlc_plugin.h>
#include <vlc_stream.h>
#include <vlc_network.h>
+#include <assert.h>
#include <unistd.h>
+#include <errno.h>
#ifndef _POSIX_SPAWN
# define _POSIX_SPAWN (-1)
#endif
struct iovec iov = { buf + i, (len - i) & ~page_mask, };
j = vmsplice (fd, &iov, 1, SPLICE_F_GIFT);
}
-#else
- j = write (fd, buf + i, len - i);
+ if (j == -1 && errno == ENOSYS) /* vmsplice() not supported */
#endif
+ j = write (fd, buf + i, len - i);
if (j <= 0)
{
if (j == 0)
}
+static int Peek (stream_t *, const uint8_t **, unsigned int);
+
#define MIN_BLOCK (1 << 10)
#define MAX_BLOCK (1 << 20)
/**
block_t *peeked;
ssize_t length;
+ if (buf == NULL) /* caller skips data, get big enough peek buffer */
+ buflen = Peek (stream, &(const uint8_t *){ NULL }, buflen);
+
if ((peeked = p_sys->peeked) != NULL)
{ /* dequeue peeked data */
length = (buflen > peeked->i_buffer) ? peeked->i_buffer : buflen;
- memcpy (buf, peeked->p_buffer, length);
- buf = ((char *)buf) + length;
+ if (buf != NULL)
+ {
+ memcpy (buf, peeked->p_buffer, length);
+ buf = ((char *)buf) + length;
+ }
buflen -= length;
peeked->p_buffer += length;
peeked->i_buffer -= length;
length += Read (stream, ((char *)buf) + length, buflen - length);
return length;
}
+ assert ((buf != NULL) || (buflen == 0));
length = net_Read (stream, p_sys->read_fd, NULL, buf, buflen, false);
if (length < 0)
case STREAM_GET_SIZE:
*(va_arg (args, int64_t *)) = 0;
break;
- case STREAM_GET_MTU:
- *(va_arg (args, int *)) = 0;
- break;
default:
return VLC_EGENERIC;
}