1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
/* See LICENSE file for copyright and license details. */
#include "common.h"
USAGE("(file frames) ...")
int
main(int argc, char *argv[])
{
struct stream *streams;
size_t parts, length = 0, *frames, i;
UNOFLAGS(argc % 2 || !argc);
parts = (size_t)argc / 2;
streams = emalloc2(parts, sizeof(*streams));
frames = alloca(parts * sizeof(*frames));
for (i = 0; i < parts; i++) {
eopen_stream(streams + i, argv[i * 2]);
frames[i] = etozu_arg("frames", argv[i * 2 + 1], 1, SIZE_MAX);
if (i)
echeck_compat(streams, streams + i);
}
for (i = 0; i < parts; i++) {
if (!streams[i].frames || streams[i].frames > SIZE_MAX - length) {
length = 0;
break;
}
length += streams[i].frames;
}
streams->frames = length;
fprint_stream_head(stdout, streams);
efflush(stdout, "<stdout>");
for (i = 0; i < parts; i++, i = i == parts ? 0 : i)
if (esend_frames(streams + i, STDOUT_FILENO, frames[i], "<stdout>") != frames[i])
break;
for (i = 0; i < parts; i++)
close(streams[i].fd);
free(streams);
return 0;
}
|
