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/*
* See LICENSE file for copyright and license details.
*/
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int
main(int argc, char *argv[])
{
char *xembed;
int tty;
pid_t pgrp, tcpgrp;
if (argc < 3) {
fprintf(stderr, "usage: %s flag cmd ...\n", argv[0]);
return 2;
}
if (!(xembed = getenv("XEMBED")))
goto noembed;
if ((tty = open("/dev/tty", O_RDONLY)) < 0)
goto noembed;
pgrp = getpgrp();
tcpgrp = tcgetpgrp(tty);
close(tty);
if (pgrp == tcpgrp) { /* in foreground of tty */
argv[0] = argv[2];
argv[2] = xembed;
} else {
noembed:
argv += 2;
}
execvp(argv[0], argv);
perror(argv[0]); /* failed to execute */
return 1;
}
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