#include "config.h"

int len(const char *msg)
{
	char *p;
	for (p = (char *)msg; *p; ++p)
		;
	return p - msg;
}

void log(const char *msg)
{
	write(1, "=> ", 4);
	write(1, msg, len(msg));
	write(1, "\n", 1);
}

void runprgs(struct cmd *cmds, int n)
{
	int tty, i;
	tty = open(LOGTO, O_WRONLY);
	close(1);
	close(2);
	dup2(tty, 1);
	dup2(tty, 2);

	for (i = 0; i < n; i++)
	{
		int pid;

		if (cmds[i].flags == RESPAWN)
		{
			if (fork())
				goto end;
		}

	loop:
		pid = fork();

		if (!pid)
		{
			execve(cmds[i].args[0], cmds[i].args, NULL);
			exit(1);
		}

		switch (cmds[i].flags)
		{
		case RESPAWN:
			waitpid(pid, NULL, 0);
			sleep(1);
			goto loop;
		case WAIT:
			wait4(pid, NULL, 0, NULL);
		}
	end:;
	}
}