GopherProxy

	xembed.c - tabbed - tab interface for application supporting Xembed
	git clone git://git.suckless.org/tabbed
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	---
	xembed.c (694B)
	---
	1 /*
	2 * See LICENSE file for copyright and license details.
	3 */
	4
	5 #include <fcntl.h>
	6 #include <stdio.h>
	7 #include <stdlib.h>
	8 #include <unistd.h>
	9
	10 int
	11 main(int argc, char *argv[])
	12 {
	13 char *xembed;
	14 int tty;
	15 pid_t pgrp, tcpgrp;
	16
	17 if (argc < 3) {
	18 fprintf(stderr, "usage: %s flag cmd ...\n", argv[0]);
	19 return 2;
	20 }
	21
	22 if (!(xembed = getenv("XEMBED")))
	23 goto noembed;
	24
	25 if ((tty = open("/dev/tty", O_RDONLY)) < 0)
	26 goto noembed;
	27
	28 pgrp = getpgrp();
	29 tcpgrp = tcgetpgrp(tty);
	30
	31 close(tty);
	32
	33 if (pgrp == tcpgrp) { /* in foreground of tty */
	34 argv[0] = argv[2];
	35 argv[2] = xembed;
	36 } else {
	37 noembed:
	38 argv += 2;
	39 }
	40
	41 execvp(argv[0], argv);
	42
	43 perror(argv[0]); /* failed to execute */
	44 return 1;
	45 }