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/* See LICENSE file for copyright and license details. */
#include "common.h"
USAGE("(file rows) ...")
int
main(int argc, char *argv[])
{
struct stream *streams;
size_t parts, height = 0, *rows, i;
UNOFLAGS(argc % 2 || !argc);
parts = (size_t)argc / 2;
streams = emalloc2(parts, sizeof(*streams));
rows = alloca(parts * sizeof(*rows));
for (i = 0; i < parts; i++) {
eopen_stream(streams + i, argv[i * 2]);
rows[i] = etozu_arg("rows", argv[i * 2 + 1], 1, SIZE_MAX);
if (streams[i].height > SIZE_MAX - height)
eprintf("output video is too wide\n");
height += streams[i].height;
if (i) {
streams[i].height = streams->height;
echeck_compat(streams, streams + i);
}
}
streams->height = height;
fprint_stream_head(stdout, streams);
efflush(stdout, "<stdout>");
for (i = 0; i < parts; i++, i = i == parts ? 0 : i)
if (esend_rows(streams + i, STDOUT_FILENO, rows[i], "<stdout>") != rows[i])
break;
for (i = 0; i < parts; i++)
close(streams[i].fd);
free(streams);
return 0;
}
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